diff --git a/aclocal.m4 b/aclocal.m4
index bf01eb567190e805fa8a2a629d894fa81832c5a1..1b77464e6d569ae5aee88241942409cddc0d9f8a 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.1 -*- Autoconf -*-
 
-# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/configure b/configure
index c22e7976539928c287d4ecb5279954aecf5ae019..6b8e23f18582d4eaf84e0e5fa97ddf085c5cf329 100755
--- a/configure
+++ b/configure
@@ -1,10 +1,9 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for click 2.1.
+# Generated by GNU Autoconf 2.69 for click 2.1.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
-# Inc.
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -15,16 +14,14 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
-if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
+else
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -34,46 +31,46 @@ esac
 fi
 
 
-
-# Reset variables that may have inherited troublesome values from
-# the environment.
-
-# IFS needs to be set, to space, tab, and newline, in precisely that order.
-# (If _AS_PATH_WALK were called with IFS unset, it would have the
-# side effect of setting IFS to empty, thus disabling word splitting.)
-# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-IFS=" ""	$as_nl"
-
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# Ensure predictable behavior from utilities with locale-dependent output.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# We cannot yet rely on "unset" to work, but we need these variables
-# to be unset--not just set to an empty or harmless value--now, to
-# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
-# also avoids known problems related to "unset" and subshell syntax
-# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
-for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
-do eval test \${$as_var+y} \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-
-# Ensure that fds 0, 1, and 2 are open.
-if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
-if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
-if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
 
 # The user is always right.
-if ${PATH_SEPARATOR+false} :; then
+if test "${PATH_SEPARATOR+set}" != set; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -82,6 +79,13 @@ if ${PATH_SEPARATOR+false} :; then
 fi
 
 
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -90,12 +94,8 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
   done
 IFS=$as_save_IFS
 
@@ -107,10 +107,30 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 # Use a proper internal environment variable to ensure we don't fall
   # into an infinite loop, continuously re-executing ourselves.
@@ -132,22 +152,20 @@ esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
 # out after a failed `exec'.
-printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
-exit 255
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="as_nop=:
-if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-then :
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else \$as_nop
+else
   case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
@@ -167,53 +185,42 @@ as_fn_success || { exitcode=1; echo as_fn_success failed.; }
 as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
 as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
 as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
-if ( set x; as_fn_ret_success y && test x = \"\$1\" )
-then :
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
 
-else \$as_nop
+else
   exitcode=1; echo positional parameters were not saved.
 fi
 test x\$exitcode = x0 || exit 1
-blah=\$(echo \$(echo blah))
-test x\"\$blah\" = xblah || exit 1
 test -x / || exit 1"
   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
   test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
 test \$(( 1 + 1 )) = 2 || exit 1"
-  if (eval "$as_required") 2>/dev/null
-then :
+  if (eval "$as_required") 2>/dev/null; then :
   as_have_required=yes
-else $as_nop
+else
   as_have_required=no
 fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
-then :
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
 
-else $as_nop
+else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
   as_found=:
   case $as_dir in #(
 	 /*)
 	   for as_base in sh bash ksh sh5; do
 	     # Try only shells that exist, to save several forks.
-	     as_shell=$as_dir$as_base
+	     as_shell=$as_dir/$as_base
 	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
-then :
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
   CONFIG_SHELL=$as_shell as_have_required=yes
-		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
-then :
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
   break 2
 fi
 fi
@@ -221,21 +228,14 @@ fi
        esac
   as_found=false
 done
-IFS=$as_save_IFS
-if $as_found
-then :
-
-else $as_nop
-  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
-then :
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
   CONFIG_SHELL=$SHELL as_have_required=yes
-fi
-fi
+fi; }
+IFS=$as_save_IFS
 
 
-      if test "x$CONFIG_SHELL" != x
-then :
+      if test "x$CONFIG_SHELL" != x; then :
   export CONFIG_SHELL
              # We cannot yet assume a decent shell, so we have to provide a
 # neutralization value for shells without unset; and this also
@@ -253,19 +253,18 @@ esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
 # out after a failed `exec'.
-printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
 
-    if test x$as_have_required = xno
-then :
-  printf "%s\n" "$0: This script requires a shell more modern than all"
-  printf "%s\n" "$0: the shells that I found on your system."
-  if test ${ZSH_VERSION+y} ; then
-    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
-    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system,
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
 $0: including any error possibly output before this
 $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
@@ -292,7 +291,6 @@ as_fn_unset ()
 }
 as_unset=as_fn_unset
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -310,14 +308,6 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -332,7 +322,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -341,7 +331,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_dir" |
+$as_echo X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -380,13 +370,12 @@ as_fn_executable_p ()
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
-then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else $as_nop
+else
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -398,27 +387,18 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
-then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else $as_nop
+else
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
   }
 fi # as_fn_arith
 
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -430,9 +410,9 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  printf "%s\n" "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -459,7 +439,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X/"$0" |
+$as_echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -503,7 +483,7 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
   # already done that, so ensure we don't try to do so again and fall
@@ -517,10 +497,6 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   exit
 }
 
-
-# Determine whether it's possible to make 'echo' print without a newline.
-# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -534,13 +510,6 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
-# For backward compatibility with old third-party macros, we provide
-# the shell variables $as_echo and $as_echo_n.  New code should use
-# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
-as_echo='printf %s\n'
-as_echo_n='printf %s'
-
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -614,40 +583,43 @@ PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
 ac_unique_file="click-buildtool.in"
+ac_header_list=
 # Factoring default headers for most tests.
 ac_includes_default="\
-#include <stddef.h>
-#ifdef HAVE_STDIO_H
-# include <stdio.h>
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
 #endif
-#ifdef HAVE_STDLIB_H
+#ifdef STDC_HEADERS
 # include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
 #endif
 #ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#  include <memory.h>
+# endif
 # include <string.h>
 #endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
 #ifdef HAVE_INTTYPES_H
 # include <inttypes.h>
 #endif
 #ifdef HAVE_STDINT_H
 # include <stdint.h>
 #endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif"
 
-ac_header_c_list=
-ac_header_cxx_list=
-ac_func_c_list=
 ac_subst_vars='LTLIBOBJS
 provisions
 clickbuild_clickdir
@@ -742,8 +714,6 @@ USE_CTX
 USE_FLOW
 POSIX_CLOCK_LIBS
 HAVE_CXX17
-EGREP
-GREP
 LIBOBJS
 freebsd_includedir
 freebsd_srcdir
@@ -776,6 +746,8 @@ KERNEL_CC
 CXXCPP
 ac_ct_CXX
 CXXFLAGS
+EGREP
+GREP
 CPP
 DEPDIRFLAG
 DEPCFLAGS
@@ -934,6 +906,7 @@ enable_hash_iterator_epochs
 enable_force_expensive
 enable_valgrind
 enable_schedule_debugging
+enable_hash_allocator_poisoning
 enable_portable_binary
 enable_intel_cpu
 enable_avx2
@@ -1025,6 +998,8 @@ do
   *)    ac_optarg=yes ;;
   esac
 
+  # Accept the important Cygnus configure options, so we can diagnose typos.
+
   case $ac_dashdash$ac_option in
   --)
     ac_dashdash=yes ;;
@@ -1065,9 +1040,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1091,9 +1066,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1304,9 +1279,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1320,9 +1295,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1366,9 +1341,9 @@ Try \`$0 --help' for more information"
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
@@ -1384,7 +1359,7 @@ if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
     fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
 
@@ -1448,7 +1423,7 @@ $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_myself" : 'X\(//\)[^/]' \| \
 	 X"$as_myself" : 'X\(//\)$' \| \
 	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_myself" |
+$as_echo X"$as_myself" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1703,6 +1678,7 @@ Optional Features:
   --enable-valgrind       extra support for debugging with valgrind
   --enable-schedule-debugging[=WHAT] enable Click scheduler debugging
                           (no/yes/extra) [yes]
+  --enable-hash-allocator-poisoning      enable HashAllocator block poisoning
   --enable-portable-binary
                           disable compiler optimizations that would produce
                           unportable binaries
@@ -1762,9 +1738,9 @@ if test "$ac_init_help" = "recursive"; then
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -1792,8 +1768,7 @@ esac
 ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
     cd "$ac_dir" || { ac_status=$?; continue; }
-    # Check for configure.gnu first; this name is used for a wrapper for
-    # Metaconfig's "Configure" on case-insensitive file systems.
+    # Check for guested configure.
     if test -f "$ac_srcdir/configure.gnu"; then
       echo &&
       $SHELL "$ac_srcdir/configure.gnu" --help=recursive
@@ -1801,7 +1776,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1811,9 +1786,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 click configure 2.1
-generated by GNU Autoconf 2.71
+generated by GNU Autoconf 2.69
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1830,14 +1805,14 @@ fi
 ac_fn_c_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest.beam
+  rm -f conftest.$ac_objext
   if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1845,15 +1820,14 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext
-then :
+       } && test -s conftest.$ac_objext; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1870,28 +1844,26 @@ fi
 ac_fn_c_check_header_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-printf %s "checking for $2... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   eval "$3=yes"
-else $as_nop
+else
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_compile
@@ -1908,7 +1880,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1916,15 +1888,14 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
-       }
-then :
+       }; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
@@ -1934,20 +1905,62 @@ fi
 
 } # ac_fn_c_try_cpp
 
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
 # ac_fn_cxx_try_compile LINENO
 # ----------------------------
 # Try to compile conftest.$ac_ext, and return whether this succeeded.
 ac_fn_cxx_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest.beam
+  rm -f conftest.$ac_objext
   if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1955,15 +1968,14 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext
-then :
+       } && test -s conftest.$ac_objext; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1979,14 +1991,14 @@ fi
 ac_fn_cxx_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+  rm -f conftest.$ac_objext conftest$ac_exeext
   if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1994,18 +2006,17 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
 	 test -x conftest$ac_exeext
-       }
-then :
+       }; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -2032,7 +2043,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -2040,15 +2051,14 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
-       }
-then :
+       }; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
@@ -2058,63 +2068,20 @@ fi
 
 } # ac_fn_cxx_try_cpp
 
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
-# executables *can* be run.
-ac_fn_c_try_run ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }
-then :
-  ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
-       printf "%s\n" "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-       ac_retval=$ac_status
-fi
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_run
-
 # ac_fn_c_try_link LINENO
 # -----------------------
 # Try to link conftest.$ac_ext, and return whether this succeeded.
 ac_fn_c_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+  rm -f conftest.$ac_objext conftest$ac_exeext
   if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -2122,18 +2089,17 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
 	 test -x conftest$ac_exeext
-       }
-then :
+       }; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -2148,28 +2114,112 @@ fi
 
 } # ac_fn_c_try_link
 
-# ac_fn_check_decl LINENO SYMBOL VAR INCLUDES EXTRA-OPTIONS FLAG-VAR
-# ------------------------------------------------------------------
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_mongrel
+
+# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
+# ---------------------------------------------
 # Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
-# accordingly. Pass EXTRA-OPTIONS to the compiler, using FLAG-VAR.
-ac_fn_check_decl ()
+# accordingly.
+ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   as_decl_name=`echo $2|sed 's/ *(.*//'`
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
-printf %s "checking whether $as_decl_name is declared... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
   as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
-  eval ac_save_FLAGS=\$$6
-  as_fn_append $6 " $5"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 #ifndef $as_decl_name
 #ifdef __cplusplus
@@ -2183,22 +2233,19 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   eval "$3=yes"
-else $as_nop
+else
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-  eval $6=\$ac_save_FLAGS
-
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
-} # ac_fn_check_decl
+} # ac_fn_c_check_decl
 
 # ac_fn_c_check_func LINENO FUNC VAR
 # ----------------------------------
@@ -2206,12 +2253,11 @@ printf "%s\n" "$ac_res" >&6; }
 ac_fn_c_check_func ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-printf %s "checking for $2... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
@@ -2219,9 +2265,16 @@ else $as_nop
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (); below.  */
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
 
-#include <limits.h>
 #undef $2
 
 /* Override any GCC internal prototype to avoid an error.
@@ -2239,33 +2292,32 @@ choke me
 #endif
 
 int
-main (void)
+main ()
 {
 return $2 ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   eval "$3=yes"
-else $as_nop
+else
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
 
 # ac_fn_cxx_try_run LINENO
 # ------------------------
-# Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
-# executables *can* be run.
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
 ac_fn_cxx_try_run ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
@@ -2275,26 +2327,25 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
   { { case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_try") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }
-then :
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
-       printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
        ac_retval=$ac_status
@@ -2319,7 +2370,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) >= 0)];
 test_array [0] = 0;
@@ -2329,15 +2380,14 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_lo=0 ac_mid=0
   while :; do
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
 test_array [0] = 0;
@@ -2347,10 +2397,9 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_hi=$ac_mid; break
-else $as_nop
+else
   as_fn_arith $ac_mid + 1 && ac_lo=$as_val
 			if test $ac_lo -le $ac_mid; then
 			  ac_lo= ac_hi=
@@ -2358,14 +2407,14 @@ else $as_nop
 			fi
 			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   done
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) < 0)];
 test_array [0] = 0;
@@ -2375,15 +2424,14 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_hi=-1 ac_mid=-1
   while :; do
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) >= $ac_mid)];
 test_array [0] = 0;
@@ -2393,10 +2441,9 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_lo=$ac_mid; break
-else $as_nop
+else
   as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
 			if test $ac_mid -le $ac_hi; then
 			  ac_lo= ac_hi=
@@ -2404,14 +2451,14 @@ else $as_nop
 			fi
 			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   done
-else $as_nop
+else
   ac_lo= ac_hi=
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 # Binary search between lo and hi bounds.
 while test "x$ac_lo" != "x$ac_hi"; do
   as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
@@ -2419,7 +2466,7 @@ while test "x$ac_lo" != "x$ac_hi"; do
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
 test_array [0] = 0;
@@ -2429,13 +2476,12 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_hi=$ac_mid
-else $as_nop
+else
   as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 case $ac_lo in #((
 ?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
@@ -2445,12 +2491,12 @@ esac
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
-static long int longval (void) { return $2; }
-static unsigned long int ulongval (void) { return $2; }
+static long int longval () { return $2; }
+static unsigned long int ulongval () { return $2; }
 #include <stdio.h>
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
 
   FILE *f = fopen ("conftest.val", "w");
@@ -2478,10 +2524,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_run "$LINENO"
-then :
+if ac_fn_cxx_try_run "$LINENO"; then :
   echo >>conftest.val; read $3 <conftest.val; ac_retval=0
-else $as_nop
+else
   ac_retval=1
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -2501,18 +2546,17 @@ rm -f conftest.val
 ac_fn_cxx_check_type ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-printf %s "checking for $2... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   eval "$3=no"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 if (sizeof ($2))
 	 return 0;
@@ -2520,13 +2564,12 @@ if (sizeof ($2))
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 if (sizeof (($2)))
 	    return 0;
@@ -2534,68 +2577,33 @@ if (sizeof (($2)))
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
 
-else $as_nop
+else
   eval "$3=yes"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_type
 
-# ac_fn_cxx_check_header_compile LINENO HEADER VAR INCLUDES
-# ---------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_cxx_check_header_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-printf %s "checking for $2... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
-  eval "$3=yes"
-else $as_nop
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_cxx_check_header_compile
-
 # ac_fn_cxx_check_func LINENO FUNC VAR
 # ------------------------------------
 # Tests whether FUNC exists, setting the cache variable VAR accordingly
 ac_fn_cxx_check_func ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-printf %s "checking for $2... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
@@ -2603,9 +2611,16 @@ else $as_nop
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (); below.  */
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
 
-#include <limits.h>
 #undef $2
 
 /* Override any GCC internal prototype to avoid an error.
@@ -2623,62 +2638,193 @@ choke me
 #endif
 
 int
-main (void)
+main ()
 {
 return $2 ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   eval "$3=yes"
-else $as_nop
+else
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_func
 
-# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
-# --------------------------------------------
-# Tries to find the compile-time value of EXPR in a program that includes
-# INCLUDES, setting VAR accordingly. Returns whether the value could be
-# computed
-ac_fn_c_compute_int ()
+# ac_fn_cxx_check_decl LINENO SYMBOL VAR INCLUDES
+# -----------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
+ac_fn_cxx_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if test "$cross_compiling" = yes; then
-    # Depending upon the size, compute the lo and hi bounds.
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
-static int test_array [1 - 2 * !(($2) >= 0)];
-test_array [0] = 0;
-return test_array [0];
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
+#endif
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  ac_lo=0 ac_mid=0
-  while :; do
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_cxx_check_decl
+
+# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES
+# ---------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_cxx_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_cxx_check_header_mongrel
+
+# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
+# --------------------------------------------
+# Tries to find the compile-time value of EXPR in a program that includes
+# INCLUDES, setting VAR accordingly. Returns whether the value could be
+# computed
+ac_fn_c_compute_int ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if test "$cross_compiling" = yes; then
+    # Depending upon the size, compute the lo and hi bounds.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) >= 0)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
 test_array [0] = 0;
@@ -2688,10 +2834,9 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_hi=$ac_mid; break
-else $as_nop
+else
   as_fn_arith $ac_mid + 1 && ac_lo=$as_val
 			if test $ac_lo -le $ac_mid; then
 			  ac_lo= ac_hi=
@@ -2699,14 +2844,14 @@ else $as_nop
 			fi
 			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   done
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) < 0)];
 test_array [0] = 0;
@@ -2716,15 +2861,14 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_hi=-1 ac_mid=-1
   while :; do
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) >= $ac_mid)];
 test_array [0] = 0;
@@ -2734,10 +2878,9 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_lo=$ac_mid; break
-else $as_nop
+else
   as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
 			if test $ac_mid -le $ac_hi; then
 			  ac_lo= ac_hi=
@@ -2745,14 +2888,14 @@ else $as_nop
 			fi
 			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   done
-else $as_nop
+else
   ac_lo= ac_hi=
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 # Binary search between lo and hi bounds.
 while test "x$ac_lo" != "x$ac_hi"; do
   as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
@@ -2760,7 +2903,7 @@ while test "x$ac_lo" != "x$ac_hi"; do
 /* end confdefs.h.  */
 $4
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
 test_array [0] = 0;
@@ -2770,13 +2913,12 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_hi=$ac_mid
-else $as_nop
+else
   as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 case $ac_lo in #((
 ?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
@@ -2786,12 +2928,12 @@ esac
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
-static long int longval (void) { return $2; }
-static unsigned long int ulongval (void) { return $2; }
+static long int longval () { return $2; }
+static unsigned long int ulongval () { return $2; }
 #include <stdio.h>
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
 
   FILE *f = fopen ("conftest.val", "w");
@@ -2819,10 +2961,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   echo >>conftest.val; read $3 <conftest.val; ac_retval=0
-else $as_nop
+else
   ac_retval=1
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -2834,34 +2975,14 @@ rm -f conftest.val
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
-ac_configure_args_raw=
-for ac_arg
-do
-  case $ac_arg in
-  *\'*)
-    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
-  esac
-  as_fn_append ac_configure_args_raw " '$ac_arg'"
-done
-
-case $ac_configure_args_raw in
-  *$as_nl*)
-    ac_safe_unquote= ;;
-  *)
-    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
-    ac_unsafe_a="$ac_unsafe_z#~"
-    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
-    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
-esac
-
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by click $as_me 2.1, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
-  $ $0$ac_configure_args_raw
+  $ $0 $@
 
 _ACEOF
 exec 5>>config.log
@@ -2894,12 +3015,8 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    printf "%s\n" "PATH: $as_dir"
+  test -z "$as_dir" && as_dir=.
+    $as_echo "PATH: $as_dir"
   done
 IFS=$as_save_IFS
 
@@ -2934,7 +3051,7 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
     1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
@@ -2969,13 +3086,11 @@ done
 # WARNING: Use '\'' to represent an apostrophe within the trap.
 # WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
 trap 'exit_status=$?
-  # Sanitize IFS.
-  IFS=" ""	$as_nl"
   # Save into config.log some information that might help in debugging.
   {
     echo
 
-    printf "%s\n" "## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
 ## ---------------- ##"
     echo
@@ -2986,8 +3101,8 @@ trap 'exit_status=$?
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -3011,7 +3126,7 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
 )
     echo
 
-    printf "%s\n" "## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##"
     echo
@@ -3019,14 +3134,14 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      printf "%s\n" "$ac_var='\''$ac_val'\''"
+      $as_echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
-      printf "%s\n" "## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
 ## ------------------- ##"
       echo
@@ -3034,15 +3149,15 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	printf "%s\n" "$ac_var='\''$ac_val'\''"
+	$as_echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
 
     if test -s confdefs.h; then
-      printf "%s\n" "## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
 ## ----------- ##"
       echo
@@ -3050,8 +3165,8 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
       echo
     fi
     test "$ac_signal" != 0 &&
-      printf "%s\n" "$as_me: caught signal $ac_signal"
-    printf "%s\n" "$as_me: exit $exit_status"
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
   } >&5
   rm -f core *.core core.conftest.* &&
     rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
@@ -3065,48 +3180,63 @@ ac_signal=0
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
-printf "%s\n" "/* confdefs.h */" > confdefs.h
+$as_echo "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
-printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
 
 
 # Let the site file select an alternate cache file if it wants to.
 # Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  ac_site_files="$CONFIG_SITE"
+  # We do not want a PATH search for config.site.
+  case $CONFIG_SITE in #((
+    -*)  ac_site_file1=./$CONFIG_SITE;;
+    */*) ac_site_file1=$CONFIG_SITE;;
+    *)   ac_site_file1=./$CONFIG_SITE;;
+  esac
 elif test "x$prefix" != xNONE; then
-  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
 else
-  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
 fi
-
-for ac_site_file in $ac_site_files
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
 do
-  case $ac_site_file in #(
-  */*) :
-     ;; #(
-  *) :
-    ac_site_file=./$ac_site_file ;;
-esac
-  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
+  test "x$ac_site_file" = xNONE && continue
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
 See \`config.log' for more details" "$LINENO" 5; }
   fi
@@ -3116,821 +3246,223 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special files
   # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
   if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
-# Test code for whether the C compiler supports C89 (global declarations)
-ac_c_conftest_c89_globals='
-/* Does the compiler advertise C89 conformance?
-   Do not test the value of __STDC__, because some compilers set it to 0
-   while being otherwise adequately conformant. */
-#if !defined __STDC__
-# error "Compiler does not advertise C89 conformance"
-#endif
-
-#include <stddef.h>
-#include <stdarg.h>
-struct stat;
-/* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
-struct buf { int x; };
-struct buf * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
-   function prototypes and stuff, but not \xHH hex character constants.
-   These do not provoke an error unfortunately, instead are silently treated
-   as an "x".  The following induces an error, until -std is added to get
-   proper ANSI mode.  Curiously \x00 != x always comes out true, for an
-   array size at least.  It is necessary to write \x00 == 0 to get something
-   that is true only with -std.  */
-int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];
-
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
-   inside strings and character constants.  */
-#define FOO(x) '\''x'\''
-int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];
-
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),
-               int, int);'
+as_fn_append ac_header_list " sys/types.h"
+as_fn_append ac_header_list " unistd.h"
+as_fn_append ac_header_list " stdint.h"
+as_fn_append ac_header_list " inttypes.h"
+as_fn_append ac_header_list " endian.h"
+as_fn_append ac_header_list " machine/endian.h"
+as_fn_append ac_header_list " byteswap.h"
+as_fn_append ac_header_list " strings.h"
+as_fn_append ac_header_list " time.h"
+as_fn_append ac_header_list " dlfcn.h"
+as_fn_append ac_header_list " termio.h"
+as_fn_append ac_header_list " netdb.h"
+as_fn_append ac_header_list " sys/event.h"
+as_fn_append ac_header_list " pwd.h"
+as_fn_append ac_header_list " grp.h"
+as_fn_append ac_header_list " execinfo.h"
+as_fn_append ac_header_list " poll.h"
+as_fn_append ac_header_list " sys/mman.h"
+as_fn_append ac_header_list " stdlib.h"
+as_fn_append ac_header_list " sys/param.h"
+as_fn_append ac_header_list " ifaddrs.h"
+as_fn_append ac_header_list " linux/if_tun.h"
+as_fn_append ac_header_list " linux/if_packet.h"
+as_fn_append ac_header_list " net/if_dl.h"
+as_fn_append ac_header_list " net/if_tap.h"
+as_fn_append ac_header_list " net/if_tun.h"
+as_fn_append ac_header_list " net/if_types.h"
+as_fn_append ac_header_list " net/bpf.h"
+as_fn_append ac_header_list " netpacket/packet.h"
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
 
-# Test code for whether the C compiler supports C89 (body of main).
-ac_c_conftest_c89_main='
-ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
-'
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-# Test code for whether the C compiler supports C99 (global declarations)
-ac_c_conftest_c99_globals='
-// Does the compiler advertise C99 conformance?
-#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
-# error "Compiler does not advertise C99 conformance"
-#endif
 
-#include <stdbool.h>
-extern int puts (const char *);
-extern int printf (const char *, ...);
-extern int dprintf (int, const char *, ...);
-extern void *malloc (size_t);
-
-// Check varargs macros.  These examples are taken from C99 6.10.3.5.
-// dprintf is used instead of fprintf to avoid needing to declare
-// FILE and stderr.
-#define debug(...) dprintf (2, __VA_ARGS__)
-#define showlist(...) puts (#__VA_ARGS__)
-#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
-static void
-test_varargs_macros (void)
-{
-  int x = 1234;
-  int y = 5678;
-  debug ("Flag");
-  debug ("X = %d\n", x);
-  showlist (The first, second, and third items.);
-  report (x>y, "x is %d but y is %d", x, y);
-}
 
-// Check long long types.
-#define BIG64 18446744073709551615ull
-#define BIG32 4294967295ul
-#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
-#if !BIG_OK
-  #error "your preprocessor is broken"
-#endif
-#if BIG_OK
-#else
-  #error "your preprocessor is broken"
-#endif
-static long long int bignum = -9223372036854775807LL;
-static unsigned long long int ubignum = BIG64;
+ac_config_headers="$ac_config_headers include/click/config.h:config.h.in"
 
-struct incomplete_array
-{
-  int datasize;
-  double data[];
-};
+ac_config_headers="$ac_config_headers include/click/pathvars.h:pathvars.h.in"
 
-struct named_init {
-  int number;
-  const wchar_t *name;
-  double average;
-};
+ac_config_headers="$ac_config_headers include/click/config-bsdmodule.h:config-bsdmodule.h.in include/click/config-linuxmodule.h:config-linuxmodule.h.in include/click/config-ns.h:config-ns.h.in include/click/config-userlevel.h:config-userlevel.h.in include/click/config-minios.h:config-minios.h.in"
 
-typedef const char *ccp;
+ac_config_files="$ac_config_files Makefile"
 
-static inline int
-test_restrict (ccp restrict text)
-{
-  // See if C++-style comments work.
-  // Iterate through items via the restricted pointer.
-  // Also check for declarations in for loops.
-  for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
-    continue;
-  return 0;
-}
+ac_config_files="$ac_config_files bin/click-buildtool:click-buildtool.in"
 
-// Check varargs and va_copy.
-static bool
-test_varargs (const char *format, ...)
-{
-  va_list args;
-  va_start (args, format);
-  va_list args_copy;
-  va_copy (args_copy, args);
+ac_config_files="$ac_config_files bin/click-compile:click-compile.in"
 
-  const char *str = "";
-  int number = 0;
-  float fnumber = 0;
+ac_config_files="$ac_config_files installch"
 
-  while (*format)
-    {
-      switch (*format++)
-	{
-	case '\''s'\'': // string
-	  str = va_arg (args_copy, const char *);
-	  break;
-	case '\''d'\'': // int
-	  number = va_arg (args_copy, int);
-	  break;
-	case '\''f'\'': // float
-	  fnumber = va_arg (args_copy, double);
-	  break;
-	default:
-	  break;
-	}
-    }
-  va_end (args_copy);
-  va_end (args);
+ac_config_files="$ac_config_files share/click/config.mk:config.mk.in share/click/pkg-config.mk"
 
-  return *str && number && fnumber;
-}
-'
+ac_config_files="$ac_config_files doc/Makefile etc/libclick/Makefile tools/Makefile tools/lib/Makefile"
 
-# Test code for whether the C compiler supports C99 (body of main).
-ac_c_conftest_c99_main='
-  // Check bool.
-  _Bool success = false;
-  success |= (argc != 0);
-
-  // Check restrict.
-  if (test_restrict ("String literal") == 0)
-    success = true;
-  char *restrict newvar = "Another string";
-
-  // Check varargs.
-  success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
-  test_varargs_macros ();
-
-  // Check flexible array members.
-  struct incomplete_array *ia =
-    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
-  ia->datasize = 10;
-  for (int i = 0; i < ia->datasize; ++i)
-    ia->data[i] = i * 1.234;
-
-  // Check named initializers.
-  struct named_init ni = {
-    .number = 34,
-    .name = L"Test wide string",
-    .average = 543.34343,
-  };
-
-  ni.number = 58;
-
-  int dynamic_array[ni.number];
-  dynamic_array[0] = argv[0][0];
-  dynamic_array[ni.number - 1] = 543;
-
-  // work around unused variable warnings
-  ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
-	 || dynamic_array[ni.number - 1] != 543);
-'
 
-# Test code for whether the C compiler supports C11 (global declarations)
-ac_c_conftest_c11_globals='
-// Does the compiler advertise C11 conformance?
-#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
-# error "Compiler does not advertise C11 conformance"
-#endif
+ac_user_cxx=${CXX+y}
 
-// Check _Alignas.
-char _Alignas (double) aligned_as_double;
-char _Alignas (0) no_special_alignment;
-extern char aligned_as_int;
-char _Alignas (0) _Alignas (int) aligned_as_int;
+CLICK_VERSION=$PACKAGE_VERSION
+tabchar='	'
 
-// Check _Alignof.
-enum
-{
-  int_alignment = _Alignof (int),
-  int_array_alignment = _Alignof (int[100]),
-  char_alignment = _Alignof (char)
-};
-_Static_assert (0 < -_Alignof (int), "_Alignof is signed");
 
-// Check _Noreturn.
-int _Noreturn does_not_return (void) { for (;;) continue; }
+cat >>confdefs.h <<_ACEOF
+#define CLICK_VERSION "$CLICK_VERSION"
+_ACEOF
 
-// Check _Static_assert.
-struct test_static_assert
-{
-  int x;
-  _Static_assert (sizeof (int) <= sizeof (long int),
-                  "_Static_assert does not work in struct");
-  long int y;
-};
-
-// Check UTF-8 literals.
-#define u8 syntax error!
-char const utf8_literal[] = u8"happens to be ASCII" "another string";
-
-// Check duplicate typedefs.
-typedef long *long_ptr;
-typedef long int *long_ptr;
-typedef long_ptr long_ptr;
-
-// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.
-struct anonymous
-{
-  union {
-    struct { int i; int j; };
-    struct { int k; long int l; } w;
-  };
-  int m;
-} v1;
-'
 
-# Test code for whether the C compiler supports C11 (body of main).
-ac_c_conftest_c11_main='
-  _Static_assert ((offsetof (struct anonymous, i)
-		   == offsetof (struct anonymous, w.k)),
-		  "Anonymous union alignment botch");
-  v1.i = 2;
-  v1.w.k = 5;
-  ok |= v1.i != 5;
-'
 
-# Test code for whether the C compiler supports C11 (complete).
-ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}
-${ac_c_conftest_c99_globals}
-${ac_c_conftest_c11_globals}
+click_version_code_in=`echo "$CLICK_VERSION" | sed -e 's/[a-z].*//' | sed -e 's/$/.0/' | tr . , | sed -e 's/^\([0-9]*,[0-9]*,[0-9]\).*/\1/'`
+cat >>confdefs.h <<_ACEOF
+#define CLICK_VERSION_CODE CLICK_MAKE_VERSION_CODE($click_version_code_in)
+_ACEOF
 
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_c_conftest_c89_main}
-  ${ac_c_conftest_c99_main}
-  ${ac_c_conftest_c11_main}
-  return ok;
-}
-"
 
-# Test code for whether the C compiler supports C99 (complete).
-ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}
-${ac_c_conftest_c99_globals}
 
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_c_conftest_c89_main}
-  ${ac_c_conftest_c99_main}
-  return ok;
-}
-"
+    ac_user_cc=${CC+y}
+    ac_user_cflags=${CFLAGS+y}
+    ac_user_kernel_cc=${KERNEL_CC+y}
+    ac_user_kernel_cflags=${KERNEL_CFLAGS+y}
+    ac_user_cxx=${CXX+y}
+    ac_user_cxxflags=${CXXFLAGS+y}
+    ac_user_kernel_cxx=${KERNEL_CXX+y}
+    ac_user_kernel_cxxflags=${KERNEL_CXXFLAGS+y}
+    ac_user_build_cxx=${BUILD_CXX+y}
+    ac_user_depcflags=${DEPCFLAGS+y}
+    ac_user_depdirflag=${DEPDIRFLAG+y}
+    ac_compile_with_warnings=y
 
-# Test code for whether the C compiler supports C89 (complete).
-ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}
+    conf_auxdir='$(top_srcdir)'
 
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_c_conftest_c89_main}
-  return ok;
-}
-"
 
-as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"
-as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"
-as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"
-as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"
-as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"
-as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
-as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
-as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
-as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
-# Test code for whether the C++ compiler supports C++98 (global declarations)
-ac_cxx_conftest_cxx98_globals='
-// Does the compiler advertise C++98 conformance?
-#if !defined __cplusplus || __cplusplus < 199711L
-# error "Compiler does not advertise C++98 conformance"
-#endif
 
-// These inclusions are to reject old compilers that
-// lack the unsuffixed header files.
-#include <cstdlib>
-#include <exception>
 
-// <cassert> and <cstring> are *not* freestanding headers in C++98.
-extern void assert (int);
-namespace std {
-  extern int strcmp (const char *, const char *);
-}
 
-// Namespaces, exceptions, and templates were all added after "C++ 2.0".
-using std::exception;
-using std::strcmp;
+ac_aux_dir=
+for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
+done
+if test -z "$ac_aux_dir"; then
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+fi
 
-namespace {
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"  # Please don't use this var.
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
+ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
-void test_exception_syntax()
-{
-  try {
-    throw "test";
-  } catch (const char *s) {
-    // Extra parentheses suppress a warning when building autoconf itself,
-    // due to lint rules shared with more typical C programs.
-    assert (!(strcmp) (s, "test"));
-  }
-}
 
-template <typename T> struct test_template
-{
-  T const val;
-  explicit test_template(T t) : val(t) {}
-  template <typename U> T add(U u) { return static_cast<T>(u) + val; }
-};
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
-} // anonymous namespace
-'
-
-# Test code for whether the C++ compiler supports C++98 (body of main)
-ac_cxx_conftest_cxx98_main='
-  assert (argc);
-  assert (! argv[0]);
-{
-  test_exception_syntax ();
-  test_template<double> tt (2.0);
-  assert (tt.add (4) == 6.0);
-  assert (true && !false);
-}
-'
-
-# Test code for whether the C++ compiler supports C++11 (global declarations)
-ac_cxx_conftest_cxx11_globals='
-// Does the compiler advertise C++ 2011 conformance?
-#if !defined __cplusplus || __cplusplus < 201103L
-# error "Compiler does not advertise C++11 conformance"
-#endif
-
-namespace cxx11test
-{
-  constexpr int get_val() { return 20; }
-
-  struct testinit
-  {
-    int i;
-    double d;
-  };
-
-  class delegate
-  {
-  public:
-    delegate(int n) : n(n) {}
-    delegate(): delegate(2354) {}
-
-    virtual int getval() { return this->n; };
-  protected:
-    int n;
-  };
-
-  class overridden : public delegate
-  {
-  public:
-    overridden(int n): delegate(n) {}
-    virtual int getval() override final { return this->n * 2; }
-  };
-
-  class nocopy
-  {
-  public:
-    nocopy(int i): i(i) {}
-    nocopy() = default;
-    nocopy(const nocopy&) = delete;
-    nocopy & operator=(const nocopy&) = delete;
-  private:
-    int i;
-  };
-
-  // for testing lambda expressions
-  template <typename Ret, typename Fn> Ret eval(Fn f, Ret v)
-  {
-    return f(v);
-  }
-
-  // for testing variadic templates and trailing return types
-  template <typename V> auto sum(V first) -> V
-  {
-    return first;
-  }
-  template <typename V, typename... Args> auto sum(V first, Args... rest) -> V
-  {
-    return first + sum(rest...);
-  }
-}
-'
-
-# Test code for whether the C++ compiler supports C++11 (body of main)
-ac_cxx_conftest_cxx11_main='
-{
-  // Test auto and decltype
-  auto a1 = 6538;
-  auto a2 = 48573953.4;
-  auto a3 = "String literal";
-
-  int total = 0;
-  for (auto i = a3; *i; ++i) { total += *i; }
-
-  decltype(a2) a4 = 34895.034;
-}
-{
-  // Test constexpr
-  short sa[cxx11test::get_val()] = { 0 };
-}
-{
-  // Test initializer lists
-  cxx11test::testinit il = { 4323, 435234.23544 };
-}
-{
-  // Test range-based for
-  int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3,
-                 14, 19, 17, 8, 6, 20, 16, 2, 11, 1};
-  for (auto &x : array) { x += 23; }
-}
-{
-  // Test lambda expressions
-  using cxx11test::eval;
-  assert (eval ([](int x) { return x*2; }, 21) == 42);
-  double d = 2.0;
-  assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0);
-  assert (d == 5.0);
-  assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0);
-  assert (d == 5.0);
-}
-{
-  // Test use of variadic templates
-  using cxx11test::sum;
-  auto a = sum(1);
-  auto b = sum(1, 2);
-  auto c = sum(1.0, 2.0, 3.0);
-}
-{
-  // Test constructor delegation
-  cxx11test::delegate d1;
-  cxx11test::delegate d2();
-  cxx11test::delegate d3(45);
-}
-{
-  // Test override and final
-  cxx11test::overridden o1(55464);
-}
-{
-  // Test nullptr
-  char *c = nullptr;
-}
-{
-  // Test template brackets
-  test_template<::test_template<int>> v(test_template<int>(12));
-}
-{
-  // Unicode literals
-  char const *utf8 = u8"UTF-8 string \u2500";
-  char16_t const *utf16 = u"UTF-8 string \u2500";
-  char32_t const *utf32 = U"UTF-32 string \u2500";
-}
-'
-
-# Test code for whether the C compiler supports C++11 (complete).
-ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals}
-${ac_cxx_conftest_cxx11_globals}
-
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_cxx_conftest_cxx98_main}
-  ${ac_cxx_conftest_cxx11_main}
-  return ok;
-}
-"
-
-# Test code for whether the C compiler supports C++98 (complete).
-ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals}
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_cxx_conftest_cxx98_main}
-  return ok;
-}
-"
-
-as_fn_append ac_header_cxx_list " endian.h endian_h HAVE_ENDIAN_H"
-as_fn_append ac_header_cxx_list " machine/endian.h machine_endian_h HAVE_MACHINE_ENDIAN_H"
-as_fn_append ac_header_cxx_list " byteswap.h byteswap_h HAVE_BYTESWAP_H"
-as_fn_append ac_header_cxx_list " time.h time_h HAVE_TIME_H"
-as_fn_append ac_header_cxx_list " dlfcn.h dlfcn_h HAVE_DLFCN_H"
-as_fn_append ac_header_cxx_list " termio.h termio_h HAVE_TERMIO_H"
-as_fn_append ac_header_cxx_list " netdb.h netdb_h HAVE_NETDB_H"
-as_fn_append ac_header_cxx_list " sys/event.h sys_event_h HAVE_SYS_EVENT_H"
-as_fn_append ac_header_cxx_list " pwd.h pwd_h HAVE_PWD_H"
-as_fn_append ac_header_cxx_list " grp.h grp_h HAVE_GRP_H"
-as_fn_append ac_header_cxx_list " execinfo.h execinfo_h HAVE_EXECINFO_H"
-as_fn_append ac_header_cxx_list " poll.h poll_h HAVE_POLL_H"
-as_fn_append ac_header_c_list " sys/mman.h sys_mman_h HAVE_SYS_MMAN_H"
-as_fn_append ac_header_c_list " sys/param.h sys_param_h HAVE_SYS_PARAM_H"
-as_fn_append ac_func_c_list " getpagesize HAVE_GETPAGESIZE"
-as_fn_append ac_header_cxx_list " ifaddrs.h ifaddrs_h HAVE_IFADDRS_H"
-as_fn_append ac_header_cxx_list " linux/if_tun.h linux_if_tun_h HAVE_LINUX_IF_TUN_H"
-as_fn_append ac_header_cxx_list " linux/if_packet.h linux_if_packet_h HAVE_LINUX_IF_PACKET_H"
-as_fn_append ac_header_cxx_list " net/if_dl.h net_if_dl_h HAVE_NET_IF_DL_H"
-as_fn_append ac_header_cxx_list " net/if_tap.h net_if_tap_h HAVE_NET_IF_TAP_H"
-as_fn_append ac_header_cxx_list " net/if_tun.h net_if_tun_h HAVE_NET_IF_TUN_H"
-as_fn_append ac_header_cxx_list " net/if_types.h net_if_types_h HAVE_NET_IF_TYPES_H"
-as_fn_append ac_header_cxx_list " net/bpf.h net_bpf_h HAVE_NET_BPF_H"
-as_fn_append ac_header_cxx_list " netpacket/packet.h netpacket_packet_h HAVE_NETPACKET_PACKET_H"
-
-# Auxiliary files required by this configure script.
-ac_aux_files="install-sh config.guess config.sub"
-
-# Locations in which to look for auxiliary files.
-ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.."
-
-# Search for a directory containing all of the required auxiliary files,
-# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates.
-# If we don't find one directory that contains all the files we need,
-# we report the set of missing files from the *first* directory in
-# $ac_aux_dir_candidates and give up.
-ac_missing_aux_files=""
-ac_first_candidate=:
-printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-as_found=false
-for as_dir in $ac_aux_dir_candidates
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-  as_found=:
-
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}:  trying $as_dir" >&5
-  ac_aux_dir_found=yes
-  ac_install_sh=
-  for ac_aux in $ac_aux_files
-  do
-    # As a special case, if "install-sh" is required, that requirement
-    # can be satisfied by any of "install-sh", "install.sh", or "shtool",
-    # and $ac_install_sh is set appropriately for whichever one is found.
-    if test x"$ac_aux" = x"install-sh"
-    then
-      if test -f "${as_dir}install-sh"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install-sh found" >&5
-        ac_install_sh="${as_dir}install-sh -c"
-      elif test -f "${as_dir}install.sh"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install.sh found" >&5
-        ac_install_sh="${as_dir}install.sh -c"
-      elif test -f "${as_dir}shtool"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}shtool found" >&5
-        ac_install_sh="${as_dir}shtool install -c"
-      else
-        ac_aux_dir_found=no
-        if $ac_first_candidate; then
-          ac_missing_aux_files="${ac_missing_aux_files} install-sh"
-        else
-          break
-        fi
-      fi
-    else
-      if test -f "${as_dir}${ac_aux}"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}${ac_aux} found" >&5
-      else
-        ac_aux_dir_found=no
-        if $ac_first_candidate; then
-          ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}"
-        else
-          break
-        fi
-      fi
-    fi
-  done
-  if test "$ac_aux_dir_found" = yes; then
-    ac_aux_dir="$as_dir"
-    break
-  fi
-  ac_first_candidate=false
-
-  as_found=false
-done
-IFS=$as_save_IFS
-if $as_found
-then :
-
-else $as_nop
-  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
-fi
-
-
-# These three variables are undocumented and unsupported,
-# and are intended to be withdrawn in a future Autoconf release.
-# They can cause serious problems if a builder's source tree is in a directory
-# whose full name contains unusual characters.
-if test -f "${ac_aux_dir}config.guess"; then
-  ac_config_guess="$SHELL ${ac_aux_dir}config.guess"
-fi
-if test -f "${ac_aux_dir}config.sub"; then
-  ac_config_sub="$SHELL ${ac_aux_dir}config.sub"
-fi
-if test -f "$ac_aux_dir/configure"; then
-  ac_configure="$SHELL ${ac_aux_dir}configure"
-fi
-
-# Check that the precious variables saved in the cache have kept the same
-# value.
-ac_cache_corrupted=false
-for ac_var in $ac_precious_vars; do
-  eval ac_old_set=\$ac_cv_env_${ac_var}_set
-  eval ac_new_set=\$ac_env_${ac_var}_set
-  eval ac_old_val=\$ac_cv_env_${ac_var}_value
-  eval ac_new_val=\$ac_env_${ac_var}_value
-  case $ac_old_set,$ac_new_set in
-    set,)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
-      ac_cache_corrupted=: ;;
-    ,set)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
-      ac_cache_corrupted=: ;;
-    ,);;
-    *)
-      if test "x$ac_old_val" != "x$ac_new_val"; then
-	# differences in whitespace do not lead to failure.
-	ac_old_val_w=`echo x $ac_old_val`
-	ac_new_val_w=`echo x $ac_new_val`
-	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-	  ac_cache_corrupted=:
-	else
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
-	  eval $ac_var=\$ac_old_val
-	fi
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
-      fi;;
-  esac
-  # Pass precious variables to config.status.
-  if test "$ac_new_set" = set; then
-    case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
-    *) ac_arg=$ac_var=$ac_new_val ;;
-    esac
-    case " $ac_configure_args " in
-      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
-    esac
-  fi
-done
-if $ac_cache_corrupted; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
-	    and start over" "$LINENO" 5
-fi
-## -------------------- ##
-## Main body of script. ##
-## -------------------- ##
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-
-ac_config_headers="$ac_config_headers include/click/config.h:config.h.in"
-
-ac_config_headers="$ac_config_headers include/click/pathvars.h:pathvars.h.in"
-
-ac_config_headers="$ac_config_headers include/click/config-bsdmodule.h:config-bsdmodule.h.in include/click/config-linuxmodule.h:config-linuxmodule.h.in include/click/config-ns.h:config-ns.h.in include/click/config-userlevel.h:config-userlevel.h.in include/click/config-minios.h:config-minios.h.in"
-
-ac_config_files="$ac_config_files Makefile"
-
-ac_config_files="$ac_config_files bin/click-buildtool:click-buildtool.in"
-
-ac_config_files="$ac_config_files bin/click-compile:click-compile.in"
-
-ac_config_files="$ac_config_files installch"
-
-ac_config_files="$ac_config_files share/click/config.mk:config.mk.in share/click/pkg-config.mk"
-
-ac_config_files="$ac_config_files doc/Makefile etc/libclick/Makefile tools/Makefile tools/lib/Makefile"
-
-
-ac_user_cxx=${CXX+y}
-
-CLICK_VERSION=$PACKAGE_VERSION
-tabchar='	'
-
-
-printf "%s\n" "#define CLICK_VERSION \"$CLICK_VERSION\"" >>confdefs.h
-
-
-
-click_version_code_in=`echo "$CLICK_VERSION" | sed -e 's/[a-z].*//' | sed -e 's/$/.0/' | tr . , | sed -e 's/^\([0-9]*,[0-9]*,[0-9]\).*/\1/'`
-printf "%s\n" "#define CLICK_VERSION_CODE CLICK_MAKE_VERSION_CODE($click_version_code_in)" >>confdefs.h
-
-
-
-    ac_user_cc=${CC+y}
-    ac_user_cflags=${CFLAGS+y}
-    ac_user_kernel_cc=${KERNEL_CC+y}
-    ac_user_kernel_cflags=${KERNEL_CFLAGS+y}
-    ac_user_cxx=${CXX+y}
-    ac_user_cxxflags=${CXXFLAGS+y}
-    ac_user_kernel_cxx=${KERNEL_CXX+y}
-    ac_user_kernel_cxxflags=${KERNEL_CXXFLAGS+y}
-    ac_user_build_cxx=${BUILD_CXX+y}
-    ac_user_depcflags=${DEPCFLAGS+y}
-    ac_user_depdirflag=${DEPDIRFLAG+y}
-    ac_compile_with_warnings=y
-
-    conf_auxdir='$(top_srcdir)'
-
-
-
-
-
-
-
-
-  # Make sure we can run config.sub.
-$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5
-
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-printf %s "checking build system type... " >&6; }
-if test ${ac_cv_build+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_build_alias=$build_alias
-test "x$ac_build_alias" = x &&
-  ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
-test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
-ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if ${ac_cv_build+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-printf "%s\n" "$ac_cv_build" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
 *) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
@@ -3949,22 +3481,21 @@ IFS=$ac_save_IFS
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-printf %s "checking host system type... " >&6; }
-if test ${ac_cv_host+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if ${ac_cv_host+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
-  ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-printf "%s\n" "$ac_cv_host" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
 *) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
@@ -3983,22 +3514,21 @@ IFS=$ac_save_IFS
 case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
-printf %s "checking target system type... " >&6; }
-if test ${ac_cv_target+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
+$as_echo_n "checking target system type... " >&6; }
+if ${ac_cv_target+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
-  ac_cv_target=`$SHELL "${ac_aux_dir}config.sub" $target_alias` ||
-    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $target_alias failed" "$LINENO" 5
+  ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
-printf "%s\n" "$ac_cv_target" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
+$as_echo "$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
 *) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
@@ -4024,17 +3554,17 @@ test -n "$target_alias" &&
     NONENONEs,x,x, &&
   program_prefix=${target_alias}-
 
+
 using_clang=`$CXX --version | grep ^clang | cut -f1 -d' '`
 if test -z "$using_clang"; then
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -4042,15 +3572,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4061,11 +3587,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -4074,12 +3600,11 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -4087,15 +3612,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4106,11 +3627,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -4118,8 +3639,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -4131,12 +3652,11 @@ fi
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}g++", so it can be a program name with args.
 set dummy ${ac_tool_prefix}g++; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CXX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CXX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
@@ -4144,15 +3664,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CXX="${ac_tool_prefix}g++"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4163,11 +3679,11 @@ fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-printf "%s\n" "$CXX" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+$as_echo "$CXX" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -4176,12 +3692,11 @@ if test -z "$ac_cv_prog_CXX"; then
   ac_ct_CXX=$CXX
   # Extract the first word of "g++", so it can be a program name with args.
 set dummy g++; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CXX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
@@ -4189,15 +3704,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CXX="g++"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4208,11 +3719,11 @@ fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-printf "%s\n" "$ac_ct_CXX" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+$as_echo "$ac_ct_CXX" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_CXX" = x; then
@@ -4220,8 +3731,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CXX=$ac_ct_CXX
@@ -4232,15 +3743,6 @@ fi
 
 fi
 
-
-
-
-
-
-
-
-
-
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -4249,12 +3751,11 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -4262,15 +3763,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4281,11 +3778,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -4294,12 +3791,11 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -4307,15 +3803,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4326,11 +3818,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -4338,8 +3830,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -4352,12 +3844,11 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -4365,15 +3856,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4384,11 +3871,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -4397,12 +3884,11 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -4411,19 +3897,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4439,18 +3921,18 @@ if test $ac_prog_rejected = yes; then
     # However, it has the same basename, so the bogon will be chosen
     # first if we set CC to just the basename; use the full file name.
     shift
-    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
   fi
 fi
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -4461,12 +3943,11 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -4474,15 +3955,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4493,11 +3970,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -4510,12 +3987,11 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -4523,15 +3999,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4542,11 +4014,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -4558,138 +4030,34 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
   fi
 fi
 
-fi
-if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
-set dummy ${ac_tool_prefix}clang; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="${ac_tool_prefix}clang"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
-else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "clang", so it can be a program name with args.
-set dummy clang; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="clang"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
-else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-fi
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
-else
-  CC="$ac_cv_prog_CC"
-fi
-
 fi
 
 
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
 See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
-printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
-for ac_option in --version -v -V -qversion -version; do
+for ac_option in --version -v -V -qversion; do
   { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -4699,7 +4067,7 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
@@ -4707,7 +4075,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
@@ -4719,9 +4087,9 @@ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-printf %s "checking whether the C compiler works... " >&6; }
-ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
 ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
@@ -4742,12 +4110,11 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-then :
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -4764,7 +4131,7 @@ do
 	# certainly right.
 	break;;
     *.* )
-	if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -4780,46 +4147,44 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else $as_nop
+else
   ac_file=''
 fi
-if test -z "$ac_file"
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-printf "%s\n" "$as_me: failed program was:" >&5
+if test -z "$ac_file"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
-printf %s "checking for C compiler default output file name... " >&6; }
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-printf "%s\n" "$ac_file" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
 rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-printf %s "checking for suffix of executables... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
 if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-then :
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -4833,15 +4198,15 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-printf "%s\n" "$ac_cv_exeext" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
@@ -4850,7 +4215,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
 int
-main (void)
+main ()
 {
 FILE *f = fopen ("conftest.out", "w");
  return ferror (f) || fclose (f) != 0;
@@ -4862,8 +4227,8 @@ _ACEOF
 ac_clean_files="$ac_clean_files conftest.out"
 # Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-printf %s "checking whether we are cross compiling... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
 if test "$cross_compiling" != yes; then
   { { ac_try="$ac_link"
 case "(($ac_try" in
@@ -4871,10 +4236,10 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
   if { ac_try='./conftest$ac_cv_exeext'
   { { case "(($ac_try" in
@@ -4882,40 +4247,39 @@ printf "%s\n" "$ac_try_echo"; } >&5
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_try") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot run C compiled programs.
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
 See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-printf "%s\n" "$cross_compiling" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
 
 rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-printf %s "checking for suffix of object files... " >&6; }
-if test ${ac_cv_objext+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if ${ac_cv_objext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
@@ -4929,12 +4293,11 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-then :
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
@@ -4943,32 +4306,31 @@ then :
        break;;
   esac
 done
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-printf "%s\n" "$ac_cv_objext" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
-printf %s "checking whether the compiler supports GNU C... " >&6; }
-if test ${ac_cv_c_compiler_gnu+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if ${ac_cv_c_compiler_gnu+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 #ifndef __GNUC__
        choke me
@@ -4978,33 +4340,29 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
-else $as_nop
+else
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
 if test $ac_compiler_gnu = yes; then
   GCC=yes
 else
   GCC=
 fi
-ac_test_CFLAGS=${CFLAGS+y}
+ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-printf %s "checking whether $CC accepts -g... " >&6; }
-if test ${ac_cv_prog_cc_g+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if ${ac_cv_prog_cc_g+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
@@ -5013,60 +4371,57 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
-else $as_nop
+else
   CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
 
-else $as_nop
+else
   ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
-if test $ac_test_CFLAGS; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
@@ -5081,144 +4436,232 @@ else
     CFLAGS=
   fi
 fi
-ac_prog_cc_stdc=no
-if test x$ac_prog_cc_stdc = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
-printf %s "checking for $CC option to enable C11 features... " >&6; }
-if test ${ac_cv_prog_cc_c11+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c11=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if ${ac_cv_prog_cc_c89+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_c_conftest_c11_program
+#include <stdarg.h>
+#include <stdio.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
 _ACEOF
-for ac_arg in '' -std=gnu11
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"
-then :
-  ac_cv_prog_cc_c11=$ac_arg
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c89=$ac_arg
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cc_c11" != "xno" && break
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
 CC=$ac_save_CC
+
 fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
 
-if test "x$ac_cv_prog_cc_c11" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c11" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
-printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11"
-fi
-  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11
-fi
-fi
-if test x$ac_prog_cc_stdc = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
-printf %s "checking for $CC option to enable C99 features... " >&6; }
-if test ${ac_cv_prog_cc_c99+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c99=no
-ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if ${ac_cv_prog_CPP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_c_conftest_c99_program
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
 _ACEOF
-for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
-do
-  CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"
-then :
-  ac_cv_prog_cc_c99=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cc_c99" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
 fi
+rm -f conftest.err conftest.i conftest.$ac_ext
 
-if test "x$ac_cv_prog_cc_c99" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c99" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
-printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99"
-fi
-  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99
-fi
-fi
-if test x$ac_prog_cc_stdc = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
-printf %s "checking for $CC option to enable C89 features... " >&6; }
-if test ${ac_cv_prog_cc_c89+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c89=no
-ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_c_conftest_c89_program
+#include <ac_nonexistent.h>
 _ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
-  CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"
-then :
-  ac_cv_prog_cc_c89=$ac_arg
+if ac_fn_c_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cc_c89" != "xno" && break
+rm -f conftest.err conftest.i conftest.$ac_ext
+
 done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+  break
 fi
 
-if test "x$ac_cv_prog_cc_c89" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c89" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89"
+    done
+    ac_cv_prog_CPP=$CPP
+
 fi
-  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -5228,36 +4671,287 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-ac_header= ac_cache=
-for ac_item in $ac_header_c_list
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if ${ac_cv_path_GREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
-  if test $ac_cache; then
-    ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"
-    if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then
-      printf "%s\n" "#define $ac_item 1" >> confdefs.h
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
     fi
-    ac_header= ac_cache=
-  elif test $ac_header; then
-    ac_cache=$ac_item
-  else
-    ac_header=$ac_item
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
-done
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if ${ac_cv_path_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_stdc=yes
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
 
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
 
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
+fi
 
+done
 
 
 
 
-if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes
-then :
 
-printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
+  for ac_header in $ac_header_list
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
 fi
 
+done
+
+
+
+
+
+
 
 
     ac_base_cc="$CC"
@@ -5271,64 +4965,60 @@ fi
 
 
     save_cflags="$CFLAGS"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler accepts -W -Wall" >&5
-printf %s "checking whether the C compiler accepts -W -Wall... " >&6; }
-if test ${ac_cv_c_w_wall+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler accepts -W -Wall" >&5
+$as_echo_n "checking whether the C compiler accepts -W -Wall... " >&6; }
+if ${ac_cv_c_w_wall+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         CFLAGS="$CFLAGS -W -Wall"
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 int f(int x) { return x; }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_c_w_wall=yes
-else $as_nop
+else
   ac_cv_c_w_wall=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_w_wall" >&5
-printf "%s\n" "$ac_cv_c_w_wall" >&6; }
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler accepts -Werror" >&5
-printf %s "checking whether the C compiler accepts -Werror... " >&6; }
-if test ${ac_cv_c_werror+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_w_wall" >&5
+$as_echo "$ac_cv_c_w_wall" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler accepts -Werror" >&5
+$as_echo_n "checking whether the C compiler accepts -Werror... " >&6; }
+if ${ac_cv_c_werror+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         CFLAGS="$CFLAGS -Werror"
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 int f(int x) { return x; }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_c_werror=yes
-else $as_nop
+else
   ac_cv_c_werror=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_werror" >&5
-printf "%s\n" "$ac_cv_c_werror" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_werror" >&5
+$as_echo "$ac_cv_c_werror" >&6; }
     CFLAGS="$save_cflags"
 
     WARNING_CFLAGS=
@@ -5345,36 +5035,40 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-printf %s "checking how to run the C preprocessor... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test ${ac_cv_prog_CPP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-      # Double quotes because $CC needs to be expanded
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp
+  if ${ac_cv_prog_CPP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
     do
       ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <limits.h>
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"
-then :
+if ac_fn_c_try_cpp "$LINENO"; then :
 
-else $as_nop
+else
   # Broken: fails on valid input.
 continue
 fi
@@ -5386,11 +5080,10 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"
-then :
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
-else $as_nop
+else
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -5400,8 +5093,7 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok
-then :
+if $ac_preproc_ok; then :
   break
 fi
 
@@ -5413,24 +5105,29 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-printf "%s\n" "$CPP" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <limits.h>
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"
-then :
+if ac_fn_c_try_cpp "$LINENO"; then :
 
-else $as_nop
+else
   # Broken: fails on valid input.
 continue
 fi
@@ -5442,11 +5139,10 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"
-then :
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
-else $as_nop
+else
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -5456,12 +5152,11 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok
-then :
+if $ac_preproc_ok; then :
 
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
 See \`config.log' for more details" "$LINENO" 5; }
 fi
@@ -5472,34 +5167,32 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
-printf %s "checking for inline... " >&6; }
-if test ${ac_cv_c_inline+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
+$as_echo_n "checking for inline... " >&6; }
+if ${ac_cv_c_inline+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifndef __cplusplus
 typedef int foo_t;
-static $ac_kw foo_t static_foo (void) {return 0; }
-$ac_kw foo_t foo (void) {return 0; }
+static $ac_kw foo_t static_foo () {return 0; }
+$ac_kw foo_t foo () {return 0; }
 #endif
 
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_c_inline=$ac_kw
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   test "$ac_cv_c_inline" != no && break
 done
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
-printf "%s\n" "$ac_cv_c_inline" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
+$as_echo "$ac_cv_c_inline" >&6; }
 
 case $ac_cv_c_inline in
   inline | yes) ;;
@@ -5512,15 +5205,9 @@ case $ac_cv_c_inline in
 #ifndef __cplusplus
 #define inline $ac_val
 #endif
-_ACEOF
-    ;;
-esac
-
-
-
-
-
-
+_ACEOF
+    ;;
+esac
 
 
 ac_ext=cpp
@@ -5533,16 +5220,15 @@ if test -z "$CXX"; then
     CXX=$CCC
   else
     if test -n "$ac_tool_prefix"; then
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CXX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CXX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
@@ -5550,15 +5236,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5569,11 +5251,11 @@ fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-printf "%s\n" "$CXX" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+$as_echo "$CXX" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -5582,16 +5264,15 @@ fi
 fi
 if test -z "$CXX"; then
   ac_ct_CXX=$CXX
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CXX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
@@ -5599,15 +5280,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5618,11 +5295,11 @@ fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-printf "%s\n" "$ac_ct_CXX" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+$as_echo "$ac_ct_CXX" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -5634,8 +5311,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CXX=$ac_ct_CXX
@@ -5645,7 +5322,7 @@ fi
   fi
 fi
 # Provide some information about the compiler.
-printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
 for ac_option in --version -v -V -qversion; do
@@ -5655,7 +5332,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -5665,21 +5342,20 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C++" >&5
-printf %s "checking whether the compiler supports GNU C++... " >&6; }
-if test ${ac_cv_cxx_compiler_gnu+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
+$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
+if ${ac_cv_cxx_compiler_gnu+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 #ifndef __GNUC__
        choke me
@@ -5689,33 +5365,29 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
-else $as_nop
+else
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
-printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
+$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
 if test $ac_compiler_gnu = yes; then
   GXX=yes
 else
   GXX=
 fi
-ac_test_CXXFLAGS=${CXXFLAGS+y}
+ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
-printf %s "checking whether $CXX accepts -g... " >&6; }
-if test ${ac_cv_prog_cxx_g+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
+$as_echo_n "checking whether $CXX accepts -g... " >&6; }
+if ${ac_cv_prog_cxx_g+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
@@ -5724,60 +5396,57 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_prog_cxx_g=yes
-else $as_nop
+else
   CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
 
-else $as_nop
+else
   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
-printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
-if test $ac_test_CXXFLAGS; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
+$as_echo "$ac_cv_prog_cxx_g" >&6; }
+if test "$ac_test_CXXFLAGS" = set; then
   CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
   if test "$GXX" = yes; then
@@ -5792,100 +5461,6 @@ else
     CXXFLAGS=
   fi
 fi
-ac_prog_cxx_stdcxx=no
-if test x$ac_prog_cxx_stdcxx = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
-printf %s "checking for $CXX option to enable C++11 features... " >&6; }
-if test ${ac_cv_prog_cxx_11+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_11=no
-ac_save_CXX=$CXX
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_cxx_conftest_cxx11_program
-_ACEOF
-for ac_arg in '' -std=gnu++11 -std=gnu++0x -std=c++11 -std=c++0x -qlanglvl=extended0x -AA
-do
-  CXX="$ac_save_CXX $ac_arg"
-  if ac_fn_cxx_try_compile "$LINENO"
-then :
-  ac_cv_prog_cxx_cxx11=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
-fi
-
-if test "x$ac_cv_prog_cxx_cxx11" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx11" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
-printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx11"
-fi
-  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
-  ac_prog_cxx_stdcxx=cxx11
-fi
-fi
-if test x$ac_prog_cxx_stdcxx = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
-printf %s "checking for $CXX option to enable C++98 features... " >&6; }
-if test ${ac_cv_prog_cxx_98+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_98=no
-ac_save_CXX=$CXX
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_cxx_conftest_cxx98_program
-_ACEOF
-for ac_arg in '' -std=gnu++98 -std=c++98 -qlanglvl=extended -AA
-do
-  CXX="$ac_save_CXX $ac_arg"
-  if ac_fn_cxx_try_compile "$LINENO"
-then :
-  ac_cv_prog_cxx_cxx98=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
-fi
-
-if test "x$ac_cv_prog_cxx_cxx98" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx98" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
-printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx98"
-fi
-  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
-  ac_prog_cxx_stdcxx=cxx98
-fi
-fi
-
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -5902,7 +5477,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
     fi
 
     if test -z "$GXX"; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 =========================================
 
 Your C++ compiler ($CXX) is not a GNU C++ compiler!
@@ -5912,7 +5487,7 @@ a GNU C++ compiler is, or compile at your own risk.
 and Linux header files are GCC-specific.)
 
 =========================================" >&5
-printf "%s\n" "$as_me: WARNING:
+$as_echo "$as_me: WARNING:
 =========================================
 
 Your C++ compiler ($CXX) is not a GNU C++ compiler!
@@ -5932,18 +5507,17 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <new> works" >&5
-printf %s "checking whether <new> works... " >&6; }
-if test ${ac_cv_good_new_hdr+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <new> works" >&5
+$as_echo_n "checking whether <new> works... " >&6; }
+if ${ac_cv_good_new_hdr+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <new>
 int
-main (void)
+main ()
 {
 
     int a;
@@ -5954,34 +5528,32 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_good_new_hdr=yes
-else $as_nop
+else
   ac_cv_good_new_hdr=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_good_new_hdr" >&5
-printf "%s\n" "$ac_cv_good_new_hdr" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_good_new_hdr" >&5
+$as_echo "$ac_cv_good_new_hdr" >&6; }
     if test "$ac_cv_good_new_hdr" = yes; then
 
-printf "%s\n" "#define HAVE_NEW_HDR 1" >>confdefs.h
+$as_echo "#define HAVE_NEW_HDR 1" >>confdefs.h
 
     else
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <new.h> works" >&5
-printf %s "checking whether <new.h> works... " >&6; }
-if test ${ac_cv_good_new_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <new.h> works" >&5
+$as_echo_n "checking whether <new.h> works... " >&6; }
+if ${ac_cv_good_new_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
             cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <new.h>
 int
-main (void)
+main ()
 {
 
     int a;
@@ -5992,250 +5564,236 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_good_new_h=yes
-else $as_nop
+else
   ac_cv_good_new_h=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_good_new_h" >&5
-printf "%s\n" "$ac_cv_good_new_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_good_new_h" >&5
+$as_echo "$ac_cv_good_new_h" >&6; }
         if test "$ac_cv_good_new_h" = yes; then
 
-printf "%s\n" "#define HAVE_NEW_H 1" >>confdefs.h
+$as_echo "#define HAVE_NEW_H 1" >>confdefs.h
 
         fi
     fi
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands 'auto'" >&5
-printf %s "checking whether the C++ compiler understands 'auto'... " >&6; }
-if test ${ac_cv_cxx_auto+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands 'auto'" >&5
+$as_echo_n "checking whether the C++ compiler understands 'auto'... " >&6; }
+if ${ac_cv_cxx_auto+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 struct s { int a; }; int f(s x) { auto &y = x; return y.a; }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_auto=yes
-else $as_nop
+else
   ac_cv_cxx_auto=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_auto" >&5
-printf "%s\n" "$ac_cv_cxx_auto" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_auto" >&5
+$as_echo "$ac_cv_cxx_auto" >&6; }
     if test "$ac_cv_cxx_auto" != yes -a -z "$ac_user_cxx"; then
         CXX="${CXX} -std=gnu++0x"
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler with -std=gnu++0x understands 'auto'" >&5
-printf %s "checking whether the C++ compiler with -std=gnu++0x understands 'auto'... " >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler with -std=gnu++0x understands 'auto'" >&5
+$as_echo_n "checking whether the C++ compiler with -std=gnu++0x understands 'auto'... " >&6; }
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 struct s { int a; }; int f(s x) { auto &y = x; return y.a; }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_auto=yes
-else $as_nop
+else
   ac_cv_cxx_auto=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_auto" >&5
-printf "%s\n" "$ac_cv_cxx_auto" >&6; }
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_auto" >&5
+$as_echo "$ac_cv_cxx_auto" >&6; }
     fi
 
         save_cxxflags="$CXXFLAGS"
     test -n "$ac_cv_c_w_wall" && CXXFLAGS="$CXXFLAGS -W -Wall"
     test -n "$ac_cv_c_werror" && CXXFLAGS="$CXXFLAGS -Werror"
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands constexpr" >&5
-printf %s "checking whether the C++ compiler understands constexpr... " >&6; }
-if test ${ac_cv_cxx_constexpr+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands constexpr" >&5
+$as_echo_n "checking whether the C++ compiler understands constexpr... " >&6; }
+if ${ac_cv_cxx_constexpr+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 constexpr int f(int x) { return x + 1; }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_constexpr=yes
-else $as_nop
+else
   ac_cv_cxx_constexpr=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_constexpr" >&5
-printf "%s\n" "$ac_cv_cxx_constexpr" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_constexpr" >&5
+$as_echo "$ac_cv_cxx_constexpr" >&6; }
     if test "$ac_cv_cxx_constexpr" = yes; then
 
-printf "%s\n" "#define HAVE_CXX_CONSTEXPR 1" >>confdefs.h
+$as_echo "#define HAVE_CXX_CONSTEXPR 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands rvalue references" >&5
-printf %s "checking whether the C++ compiler understands rvalue references... " >&6; }
-if test ${ac_cv_cxx_rvalue_references+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands rvalue references" >&5
+$as_echo_n "checking whether the C++ compiler understands rvalue references... " >&6; }
+if ${ac_cv_cxx_rvalue_references+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 int f(int &) { return 1; } int f(int &&) { return 0; }
 int
-main (void)
+main ()
 {
 return f(int());
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_rvalue_references=yes
-else $as_nop
+else
   ac_cv_cxx_rvalue_references=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_rvalue_references" >&5
-printf "%s\n" "$ac_cv_cxx_rvalue_references" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_rvalue_references" >&5
+$as_echo "$ac_cv_cxx_rvalue_references" >&6; }
     if test "$ac_cv_cxx_rvalue_references" = yes; then
 
-printf "%s\n" "#define HAVE_CXX_RVALUE_REFERENCES 1" >>confdefs.h
+$as_echo "#define HAVE_CXX_RVALUE_REFERENCES 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands static_assert" >&5
-printf %s "checking whether the C++ compiler understands static_assert... " >&6; }
-if test ${ac_cv_cxx_static_assert+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands static_assert" >&5
+$as_echo_n "checking whether the C++ compiler understands static_assert... " >&6; }
+if ${ac_cv_cxx_static_assert+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 const int f = 2;
 int
-main (void)
+main ()
 {
 static_assert(f == 2, "f should be 2");
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_static_assert=yes
-else $as_nop
+else
   ac_cv_cxx_static_assert=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_static_assert" >&5
-printf "%s\n" "$ac_cv_cxx_static_assert" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_static_assert" >&5
+$as_echo "$ac_cv_cxx_static_assert" >&6; }
     if test "$ac_cv_cxx_static_assert" = yes; then
 
-printf "%s\n" "#define HAVE_CXX_STATIC_ASSERT 1" >>confdefs.h
+$as_echo "#define HAVE_CXX_STATIC_ASSERT 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands template alias" >&5
-printf %s "checking whether the C++ compiler understands template alias... " >&6; }
-if test ${ac_cv_cxx_template_alias+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands template alias" >&5
+$as_echo_n "checking whether the C++ compiler understands template alias... " >&6; }
+if ${ac_cv_cxx_template_alias+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 template <typename T> struct X { typedef T type; }; template <typename T> using Y = X<T>; int f(int x) { return x; }
 int
-main (void)
+main ()
 {
 return f(Y<int>::type());
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_template_alias=yes
-else $as_nop
+else
   ac_cv_cxx_template_alias=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_template_alias" >&5
-printf "%s\n" "$ac_cv_cxx_template_alias" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_template_alias" >&5
+$as_echo "$ac_cv_cxx_template_alias" >&6; }
     if test "$ac_cv_cxx_template_alias" = yes; then
 
-printf "%s\n" "#define HAVE_CXX_TEMPLATE_ALIAS 1" >>confdefs.h
+$as_echo "#define HAVE_CXX_TEMPLATE_ALIAS 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands #pragma interface" >&5
-printf %s "checking whether the C++ compiler understands #pragma interface... " >&6; }
-if test ${ac_cv_cxx_pragma_interface+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C++ compiler understands #pragma interface" >&5
+$as_echo_n "checking whether the C++ compiler understands #pragma interface... " >&6; }
+if ${ac_cv_cxx_pragma_interface+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #pragma interface "foo.c"
 #pragma implementation "foo.c"
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_pragma_interface=yes
-else $as_nop
+else
   ac_cv_cxx_pragma_interface=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_pragma_interface" >&5
-printf "%s\n" "$ac_cv_cxx_pragma_interface" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_pragma_interface" >&5
+$as_echo "$ac_cv_cxx_pragma_interface" >&6; }
     if test "$ac_cv_cxx_pragma_interface" = yes; then
 
-printf "%s\n" "#define HAVE_CXX_PRAGMA_INTERFACE 1" >>confdefs.h
+$as_echo "#define HAVE_CXX_PRAGMA_INTERFACE 1" >>confdefs.h
 
     fi
 
@@ -6253,32 +5811,36 @@ ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
-printf %s "checking how to run the C++ preprocessor... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
+$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
 if test -z "$CXXCPP"; then
-  if test ${ac_cv_prog_CXXCPP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-      # Double quotes because $CXX needs to be expanded
-    for CXXCPP in "$CXX -E" cpp /lib/cpp
+  if ${ac_cv_prog_CXXCPP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CXXCPP needs to be expanded
+    for CXXCPP in "$CXX -E" "/lib/cpp"
     do
       ac_preproc_ok=false
 for ac_cxx_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <limits.h>
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
 		     Syntax error
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"
-then :
+if ac_fn_cxx_try_cpp "$LINENO"; then :
 
-else $as_nop
+else
   # Broken: fails on valid input.
 continue
 fi
@@ -6290,11 +5852,10 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"
-then :
+if ac_fn_cxx_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
-else $as_nop
+else
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -6304,8 +5865,7 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok
-then :
+if $ac_preproc_ok; then :
   break
 fi
 
@@ -6317,24 +5877,29 @@ fi
 else
   ac_cv_prog_CXXCPP=$CXXCPP
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
-printf "%s\n" "$CXXCPP" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
+$as_echo "$CXXCPP" >&6; }
 ac_preproc_ok=false
 for ac_cxx_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <limits.h>
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
 		     Syntax error
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"
-then :
+if ac_fn_cxx_try_cpp "$LINENO"; then :
 
-else $as_nop
+else
   # Broken: fails on valid input.
 continue
 fi
@@ -6346,11 +5911,10 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"
-then :
+if ac_fn_cxx_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
-else $as_nop
+else
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -6360,12 +5924,11 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok
-then :
+if $ac_preproc_ok; then :
 
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
 See \`config.log' for more details" "$LINENO" 5; }
 fi
@@ -6377,12 +5940,11 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -Winconsistent-missing-override" >&5
-printf %s "checking whether C++ compiler accepts -Winconsistent-missing-override... " >&6; }
-if test ${ax_cv_check_cxxflags__Werror__Winconsistent_missing_override+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -Winconsistent-missing-override" >&5
+$as_echo_n "checking whether C++ compiler accepts -Winconsistent-missing-override... " >&6; }
+if ${ax_cv_check_cxxflags__Werror__Winconsistent_missing_override+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
   ax_check_save_flags=$CXXFLAGS
   CXXFLAGS="$CXXFLAGS -Werror -Winconsistent-missing-override"
@@ -6390,28 +5952,26 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ax_cv_check_cxxflags__Werror__Winconsistent_missing_override=yes
-else $as_nop
+else
   ax_cv_check_cxxflags__Werror__Winconsistent_missing_override=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CXXFLAGS=$ax_check_save_flags
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags__Werror__Winconsistent_missing_override" >&5
-printf "%s\n" "$ax_cv_check_cxxflags__Werror__Winconsistent_missing_override" >&6; }
-if test "x$ax_cv_check_cxxflags__Werror__Winconsistent_missing_override" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags__Werror__Winconsistent_missing_override" >&5
+$as_echo "$ax_cv_check_cxxflags__Werror__Winconsistent_missing_override" >&6; }
+if test "x$ax_cv_check_cxxflags__Werror__Winconsistent_missing_override" = xyes; then :
   CXXFLAGS="$CXXFLAGS -Wno-inconsistent-missing-override"
-else $as_nop
+else
   :
 fi
 
@@ -6424,24 +5984,22 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gcc __builtin_cpu_init function" >&5
-printf %s "checking for gcc __builtin_cpu_init function... " >&6; }
-if test ${ax_cv_gcc_check_x86_cpu_init+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc __builtin_cpu_init function" >&5
+$as_echo_n "checking for gcc __builtin_cpu_init function... " >&6; }
+if ${ax_cv_gcc_check_x86_cpu_init+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
 __builtin_cpu_init ();
   ;
@@ -6449,10 +6007,9 @@ __builtin_cpu_init ();
 }
 
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_check_x86_cpu_init=yes
-else $as_nop
+else
   ax_cv_gcc_check_x86_cpu_init=no
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -6460,10 +6017,9 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_check_x86_cpu_init" >&5
-printf "%s\n" "$ax_cv_gcc_check_x86_cpu_init" >&6; }
-  if test "X$ax_cv_gcc_check_x86_cpu_init" = "Xno"
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_check_x86_cpu_init" >&5
+$as_echo "$ax_cv_gcc_check_x86_cpu_init" >&6; }
+  if test "X$ax_cv_gcc_check_x86_cpu_init" = "Xno"; then :
   as_fn_error $? "Need GCC to support X86 CPU features tests" "$LINENO" 5
 fi
 
@@ -6476,24 +6032,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 mmx instruction support" >&5
-printf %s "checking for x86 mmx instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_mmx+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 mmx instruction support" >&5
+$as_echo_n "checking for x86 mmx instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_mmx+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("mmx"))
@@ -6504,10 +6058,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_mmx=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_mmx=no
 
 fi
@@ -6517,18 +6070,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_mmx" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_mmx" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_mmx" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_mmx" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_mmx" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_mmx" = xyes; then :
 
-printf "%s\n" "#define HAVE_MMX_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_MMX_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mmmx"
 fi
@@ -6543,24 +6095,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 popcnt instruction support" >&5
-printf %s "checking for x86 popcnt instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_popcnt+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 popcnt instruction support" >&5
+$as_echo_n "checking for x86 popcnt instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_popcnt+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("popcnt"))
@@ -6571,10 +6121,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_popcnt=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_popcnt=no
 
 fi
@@ -6584,18 +6133,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_popcnt" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_popcnt" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_popcnt" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_popcnt" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_popcnt" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_popcnt" = xyes; then :
 
-printf "%s\n" "#define HAVE_POPCNT_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_POPCNT_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mpopcnt"
 fi
@@ -6610,24 +6158,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 sse instruction support" >&5
-printf %s "checking for x86 sse instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_sse+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 sse instruction support" >&5
+$as_echo_n "checking for x86 sse instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_sse+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("sse"))
@@ -6638,10 +6184,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_sse=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_sse=no
 
 fi
@@ -6651,18 +6196,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_sse" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_sse" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_sse" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_sse" = xyes; then :
 
-printf "%s\n" "#define HAVE_SSE_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_SSE_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -msse"
 fi
@@ -6677,24 +6221,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 sse2 instruction support" >&5
-printf %s "checking for x86 sse2 instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_sse2+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 sse2 instruction support" >&5
+$as_echo_n "checking for x86 sse2 instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_sse2+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("sse2"))
@@ -6705,10 +6247,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_sse2=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_sse2=no
 
 fi
@@ -6718,18 +6259,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse2" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_sse2" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse2" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_sse2" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_sse2" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_sse2" = xyes; then :
 
-printf "%s\n" "#define HAVE_SSE2_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_SSE2_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -msse2"
 fi
@@ -6744,24 +6284,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 sse3 instruction support" >&5
-printf %s "checking for x86 sse3 instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_sse3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 sse3 instruction support" >&5
+$as_echo_n "checking for x86 sse3 instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_sse3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("sse3"))
@@ -6772,10 +6310,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_sse3=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_sse3=no
 
 fi
@@ -6785,18 +6322,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse3" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_sse3" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse3" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_sse3" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_sse3" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_sse3" = xyes; then :
 
-printf "%s\n" "#define HAVE_SSE3_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_SSE3_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -msse3"
 fi
@@ -6811,24 +6347,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 sse4.1 instruction support" >&5
-printf %s "checking for x86 sse4.1 instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_sse4_1+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 sse4.1 instruction support" >&5
+$as_echo_n "checking for x86 sse4.1 instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_sse4_1+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("sse4.1"))
@@ -6839,10 +6373,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_sse4_1=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_sse4_1=no
 
 fi
@@ -6852,18 +6385,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse4_1" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_sse4_1" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse4_1" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_sse4_1" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_sse4_1" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_sse4_1" = xyes; then :
 
-printf "%s\n" "#define HAVE_SSE4_1_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_SSE4_1_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -msse4.1"
 fi
@@ -6878,24 +6410,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 sse4.2 instruction support" >&5
-printf %s "checking for x86 sse4.2 instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_sse4_2+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 sse4.2 instruction support" >&5
+$as_echo_n "checking for x86 sse4.2 instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_sse4_2+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("sse4.2"))
@@ -6906,10 +6436,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_sse4_2=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_sse4_2=no
 
 fi
@@ -6919,18 +6448,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse4_2" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_sse4_2" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse4_2" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_sse4_2" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_sse4_2" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_sse4_2" = xyes; then :
 
-printf "%s\n" "#define HAVE_SSE4_2_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_SSE4_2_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -msse4.2"
 fi
@@ -6945,24 +6473,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 sse4a instruction support" >&5
-printf %s "checking for x86 sse4a instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_sse4a+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 sse4a instruction support" >&5
+$as_echo_n "checking for x86 sse4a instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_sse4a+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("sse4a"))
@@ -6973,10 +6499,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_sse4a=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_sse4a=no
 
 fi
@@ -6986,18 +6511,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse4a" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_sse4a" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_sse4a" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_sse4a" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_sse4a" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_sse4a" = xyes; then :
 
-printf "%s\n" "#define HAVE_SSE4A_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_SSE4A_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -msse4a"
 fi
@@ -7012,24 +6536,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 avx instruction support" >&5
-printf %s "checking for x86 avx instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_avx+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 avx instruction support" >&5
+$as_echo_n "checking for x86 avx instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_avx+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("avx"))
@@ -7040,10 +6562,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_avx=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_avx=no
 
 fi
@@ -7053,18 +6574,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_avx" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_avx" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_avx" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_avx" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_avx" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_avx" = xyes; then :
 
-printf "%s\n" "#define HAVE_AVX_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_AVX_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mavx"
 fi
@@ -7079,24 +6599,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 avx2 instruction support" >&5
-printf %s "checking for x86 avx2 instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_avx2+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 avx2 instruction support" >&5
+$as_echo_n "checking for x86 avx2 instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_avx2+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("avx2"))
@@ -7107,10 +6625,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_avx2=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_avx2=no
 
 fi
@@ -7120,18 +6637,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_avx2" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_avx2" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_avx2" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_avx2" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_avx2" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_avx2" = xyes; then :
 
-printf "%s\n" "#define HAVE_AVX2_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_AVX2_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mavx2"
 fi
@@ -7146,24 +6662,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 avx512f instruction support" >&5
-printf %s "checking for x86 avx512f instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_avx512f+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 avx512f instruction support" >&5
+$as_echo_n "checking for x86 avx512f instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_avx512f+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("avx512f"))
@@ -7174,10 +6688,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_avx512f=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_avx512f=no
 
 fi
@@ -7187,18 +6700,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_avx512f" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_avx512f" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_avx512f" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_avx512f" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_avx512f" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_avx512f" = xyes; then :
 
-printf "%s\n" "#define HAVE_AVX512F_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_AVX512F_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mavx512f"
 fi
@@ -7213,24 +6725,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 fma instruction support" >&5
-printf %s "checking for x86 fma instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_fma+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 fma instruction support" >&5
+$as_echo_n "checking for x86 fma instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_fma+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("fma"))
@@ -7241,10 +6751,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_fma=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_fma=no
 
 fi
@@ -7254,18 +6763,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_fma" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_fma" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_fma" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_fma" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_fma" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_fma" = xyes; then :
 
-printf "%s\n" "#define HAVE_FMA_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_FMA_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mfma"
 fi
@@ -7280,24 +6788,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 fma4 instruction support" >&5
-printf %s "checking for x86 fma4 instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_fma4+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 fma4 instruction support" >&5
+$as_echo_n "checking for x86 fma4 instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_fma4+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("fma4"))
@@ -7308,10 +6814,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_fma4=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_fma4=no
 
 fi
@@ -7321,18 +6826,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_fma4" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_fma4" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_fma4" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_fma4" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_fma4" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_fma4" = xyes; then :
 
-printf "%s\n" "#define HAVE_FMA4_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_FMA4_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mfma4"
 fi
@@ -7347,24 +6851,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 bmi instruction support" >&5
-printf %s "checking for x86 bmi instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_bmi+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 bmi instruction support" >&5
+$as_echo_n "checking for x86 bmi instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_bmi+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("bmi"))
@@ -7375,10 +6877,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_bmi=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_bmi=no
 
 fi
@@ -7388,18 +6889,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_bmi" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_bmi" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_bmi" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_bmi" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_bmi" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_bmi" = xyes; then :
 
-printf "%s\n" "#define HAVE_BMI_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_BMI_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mbmi"
 fi
@@ -7414,24 +6914,22 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for x86 bmi2 instruction support" >&5
-printf %s "checking for x86 bmi2 instruction support... " >&6; }
-if test ${ax_cv_gcc_x86_cpu_supports_bmi2+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 bmi2 instruction support" >&5
+$as_echo_n "checking for x86 bmi2 instruction support... " >&6; }
+if ${ax_cv_gcc_x86_cpu_supports_bmi2+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main (void)
+main ()
 {
  __builtin_cpu_init ();
          if (__builtin_cpu_supports("bmi2"))
@@ -7442,10 +6940,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ax_cv_gcc_x86_cpu_supports_bmi2=yes
-else $as_nop
+else
   ax_cv_gcc_x86_cpu_supports_bmi2=no
 
 fi
@@ -7455,18 +6952,17 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_bmi2" >&5
-printf "%s\n" "$ax_cv_gcc_x86_cpu_supports_bmi2" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_gcc_x86_cpu_supports_bmi2" >&5
+$as_echo "$ax_cv_gcc_x86_cpu_supports_bmi2" >&6; }
    ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-   if test "x$ax_cv_gcc_x86_cpu_supports_bmi2" = xyes
-then :
+   if test "x$ax_cv_gcc_x86_cpu_supports_bmi2" = xyes; then :
 
-printf "%s\n" "#define HAVE_BMI2_INSTRUCTIONS 1" >>confdefs.h
+$as_echo "#define HAVE_BMI2_INSTRUCTIONS 1" >>confdefs.h
 
           X86_FEATURE_CFLAGS="$X86_FEATURE_CFLAGS -mbmi2"
 fi
@@ -7485,13 +6981,12 @@ esac
 
 
 
-if test "$cross_compiling" = yes
-then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <new>
@@ -7503,9 +6998,8 @@ int main() {
     return (a == nullptr?1:0);
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
-  printf "%s\n" "#define HAVE_ALIGNED_NEW 1" >>confdefs.h
+if ac_fn_c_try_run "$LINENO"; then :
+  $as_echo "#define HAVE_ALIGNED_NEW 1" >>confdefs.h
 
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -7538,12 +7032,11 @@ ac_preset_ar="$AR"
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_AR+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
@@ -7551,15 +7044,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_AR="${ac_tool_prefix}ar"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7570,11 +7059,11 @@ fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
-printf "%s\n" "$AR" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+$as_echo "$AR" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -7583,12 +7072,11 @@ if test -z "$ac_cv_prog_AR"; then
   ac_ct_AR=$AR
   # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_AR+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_AR"; then
   ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
 else
@@ -7596,15 +7084,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_AR="ar"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7615,11 +7099,11 @@ fi
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
-printf "%s\n" "$ac_ct_AR" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+$as_echo "$ac_ct_AR" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_AR" = x; then
@@ -7627,8 +7111,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     AR=$ac_ct_AR
@@ -7640,12 +7124,11 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ld; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_LD+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_LD+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$LD"; then
   ac_cv_prog_LD="$LD" # Let the user override the test.
 else
@@ -7653,15 +7136,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_LD="${ac_tool_prefix}ld"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7672,11 +7151,11 @@ fi
 fi
 LD=$ac_cv_prog_LD
 if test -n "$LD"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
-printf "%s\n" "$LD" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+$as_echo "$LD" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -7685,12 +7164,11 @@ if test -z "$ac_cv_prog_LD"; then
   ac_ct_LD=$LD
   # Extract the first word of "ld", so it can be a program name with args.
 set dummy ld; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_LD+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_LD+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_LD"; then
   ac_cv_prog_ac_ct_LD="$ac_ct_LD" # Let the user override the test.
 else
@@ -7698,15 +7176,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_LD="ld"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7717,11 +7191,11 @@ fi
 fi
 ac_ct_LD=$ac_cv_prog_ac_ct_LD
 if test -n "$ac_ct_LD"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LD" >&5
-printf "%s\n" "$ac_ct_LD" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LD" >&5
+$as_echo "$ac_ct_LD" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_LD" = x; then
@@ -7729,8 +7203,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     LD=$ac_ct_LD
@@ -7742,12 +7216,11 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}nm", so it can be a program name with args.
 set dummy ${ac_tool_prefix}nm; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_NM+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_NM+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$NM"; then
   ac_cv_prog_NM="$NM" # Let the user override the test.
 else
@@ -7755,15 +7228,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_NM="${ac_tool_prefix}nm"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7774,11 +7243,11 @@ fi
 fi
 NM=$ac_cv_prog_NM
 if test -n "$NM"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NM" >&5
-printf "%s\n" "$NM" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NM" >&5
+$as_echo "$NM" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -7787,12 +7256,11 @@ if test -z "$ac_cv_prog_NM"; then
   ac_ct_NM=$NM
   # Extract the first word of "nm", so it can be a program name with args.
 set dummy nm; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_NM+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_NM+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_NM"; then
   ac_cv_prog_ac_ct_NM="$ac_ct_NM" # Let the user override the test.
 else
@@ -7800,15 +7268,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_NM="nm"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7819,11 +7283,11 @@ fi
 fi
 ac_ct_NM=$ac_cv_prog_ac_ct_NM
 if test -n "$ac_ct_NM"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NM" >&5
-printf "%s\n" "$ac_ct_NM" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NM" >&5
+$as_echo "$ac_ct_NM" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_NM" = x; then
@@ -7831,8 +7295,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     NM=$ac_ct_NM
@@ -7844,12 +7308,11 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}objcopy", so it can be a program name with args.
 set dummy ${ac_tool_prefix}objcopy; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_OBJCOPY+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_OBJCOPY+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$OBJCOPY"; then
   ac_cv_prog_OBJCOPY="$OBJCOPY" # Let the user override the test.
 else
@@ -7857,15 +7320,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_OBJCOPY="${ac_tool_prefix}objcopy"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7876,11 +7335,11 @@ fi
 fi
 OBJCOPY=$ac_cv_prog_OBJCOPY
 if test -n "$OBJCOPY"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJCOPY" >&5
-printf "%s\n" "$OBJCOPY" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJCOPY" >&5
+$as_echo "$OBJCOPY" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -7889,12 +7348,11 @@ if test -z "$ac_cv_prog_OBJCOPY"; then
   ac_ct_OBJCOPY=$OBJCOPY
   # Extract the first word of "objcopy", so it can be a program name with args.
 set dummy objcopy; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_OBJCOPY+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_OBJCOPY+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_OBJCOPY"; then
   ac_cv_prog_ac_ct_OBJCOPY="$ac_ct_OBJCOPY" # Let the user override the test.
 else
@@ -7902,15 +7360,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_OBJCOPY="objcopy"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7921,11 +7375,11 @@ fi
 fi
 ac_ct_OBJCOPY=$ac_cv_prog_ac_ct_OBJCOPY
 if test -n "$ac_ct_OBJCOPY"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJCOPY" >&5
-printf "%s\n" "$ac_ct_OBJCOPY" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJCOPY" >&5
+$as_echo "$ac_ct_OBJCOPY" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_OBJCOPY" = x; then
@@ -7933,8 +7387,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     OBJCOPY=$ac_ct_OBJCOPY
@@ -7946,12 +7400,11 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_RANLIB+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_RANLIB+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
@@ -7959,15 +7412,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -7978,11 +7427,11 @@ fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
-printf "%s\n" "$RANLIB" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+$as_echo "$RANLIB" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -7991,12 +7440,11 @@ if test -z "$ac_cv_prog_RANLIB"; then
   ac_ct_RANLIB=$RANLIB
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_RANLIB+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_RANLIB"; then
   ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
 else
@@ -8004,15 +7452,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8023,11 +7467,11 @@ fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
-printf "%s\n" "$ac_ct_RANLIB" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+$as_echo "$ac_ct_RANLIB" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_RANLIB" = x; then
@@ -8035,8 +7479,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     RANLIB=$ac_ct_RANLIB
@@ -8048,12 +7492,11 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args.
 set dummy ${ac_tool_prefix}readelf; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_READELF+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_READELF+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$READELF"; then
   ac_cv_prog_READELF="$READELF" # Let the user override the test.
 else
@@ -8061,15 +7504,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_READELF="${ac_tool_prefix}readelf"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8080,11 +7519,11 @@ fi
 fi
 READELF=$ac_cv_prog_READELF
 if test -n "$READELF"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
-printf "%s\n" "$READELF" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
+$as_echo "$READELF" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -8093,12 +7532,11 @@ if test -z "$ac_cv_prog_READELF"; then
   ac_ct_READELF=$READELF
   # Extract the first word of "readelf", so it can be a program name with args.
 set dummy readelf; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_READELF+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_READELF+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_READELF"; then
   ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test.
 else
@@ -8106,15 +7544,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_READELF="readelf"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8125,11 +7559,11 @@ fi
 fi
 ac_ct_READELF=$ac_cv_prog_ac_ct_READELF
 if test -n "$ac_ct_READELF"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5
-printf "%s\n" "$ac_ct_READELF" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5
+$as_echo "$ac_ct_READELF" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_READELF" = x; then
@@ -8137,8 +7571,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     READELF=$ac_ct_READELF
@@ -8150,12 +7584,11 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
 set dummy ${ac_tool_prefix}strip; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_STRIP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
@@ -8163,15 +7596,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8182,11 +7611,11 @@ fi
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
-printf "%s\n" "$STRIP" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -8195,12 +7624,11 @@ if test -z "$ac_cv_prog_STRIP"; then
   ac_ct_STRIP=$STRIP
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_STRIP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_STRIP"; then
   ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
 else
@@ -8208,15 +7636,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_STRIP="strip"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -8227,11 +7651,11 @@ fi
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
-printf "%s\n" "$ac_ct_STRIP" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_STRIP" = x; then
@@ -8239,8 +7663,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     STRIP=$ac_ct_STRIP
@@ -8265,43 +7689,39 @@ LIBS_LLVM=
 
 
 # Check whether --enable-userlevel was given.
-if test ${enable_userlevel+y}
-then :
+if test "${enable_userlevel+set}" = set; then :
   enableval=$enable_userlevel; :
-else $as_nop
+else
   enable_userlevel=yes
 fi
 
 
 # Check whether --enable-user-multithread was given.
-if test ${enable_user_multithread+y}
-then :
+if test "${enable_user_multithread+set}" = set; then :
   enableval=$enable_user_multithread; :
-else $as_nop
+else
   enable_user_multithread=yes
 fi
 
 
 # Check whether --enable-fullpush-nonatomic was given.
-if test ${enable_fullpush_nonatomic+y}
-then :
+if test "${enable_fullpush_nonatomic+set}" = set; then :
   enableval=$enable_fullpush_nonatomic; :
-else $as_nop
+else
   enable_fullpush_nonatomic=yes
 fi
 
 
 if test "x$enable_fullpush_nonatomic" = "xyes"; then
-    printf "%s\n" "#define HAVE_FULLPUSH_NONATOMIC 1" >>confdefs.h
+    $as_echo "#define HAVE_FULLPUSH_NONATOMIC 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-batch was given.
-if test ${enable_batch+y}
-then :
+if test "${enable_batch+set}" = set; then :
   enableval=$enable_batch; :
-else $as_nop
+else
   enable_batch=$enable_userlevel
 fi
 
@@ -8315,31 +7735,29 @@ if test "x$enable_batch" = "xyes"; then
 
 =========================================" "$LINENO" 5
     fi
-    printf "%s\n" "#define HAVE_BATCH 1" >>confdefs.h
+    $as_echo "#define HAVE_BATCH 1" >>confdefs.h
 
     HAVE_BATCH=yes
 
 fi
 
 # Check whether --enable-verbose-batch was given.
-if test ${enable_verbose_batch+y}
-then :
+if test "${enable_verbose_batch+set}" = set; then :
   enableval=$enable_verbose_batch; :
-else $as_nop
+else
   enable_verbose_batch=yes
 fi
 
 
 if test "x$enable_verbose_batch" = "xyes"; then
-    printf "%s\n" "#define HAVE_VERBOSE_BATCH 1" >>confdefs.h
+    $as_echo "#define HAVE_VERBOSE_BATCH 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-auto-batch was given.
-if test ${enable_auto_batch+y}
-then :
+if test "${enable_auto_batch+set}" = set; then :
   enableval=$enable_auto_batch; :
-else $as_nop
+else
   enable_auto_batch=no
 fi
 
@@ -8349,15 +7767,15 @@ if test "x$enable_auto_batch" = "xno" ; then
     :
 elif test "x$enable_auto_batch" = "xyes" -o "x$enable_auto_batch" = "xport"; then
 
-printf "%s\n" "#define HAVE_AUTO_BATCH AUTO_BATCH_PORT" >>confdefs.h
+$as_echo "#define HAVE_AUTO_BATCH AUTO_BATCH_PORT" >>confdefs.h
 
 elif test "x$enable_auto_batch" = "xlist"; then
 
-printf "%s\n" "#define HAVE_AUTO_BATCH AUTO_BATCH_LIST" >>confdefs.h
+$as_echo "#define HAVE_AUTO_BATCH AUTO_BATCH_LIST" >>confdefs.h
 
 elif test "x$enable_auto_batch" = "xjump"; then
 
-printf "%s\n" "#define HAVE_AUTO_BATCH AUTO_BATCH_JUMP" >>confdefs.h
+$as_echo "#define HAVE_AUTO_BATCH AUTO_BATCH_JUMP" >>confdefs.h
 
 else
         as_fn_error $? "
@@ -8369,10 +7787,9 @@ else
 fi
 
 # Check whether --enable-netmap-pool was given.
-if test ${enable_netmap_pool+y}
-then :
+if test "${enable_netmap_pool+set}" = set; then :
   enableval=$enable_netmap_pool; :
-else $as_nop
+else
   enable_netmap_pool=no
 fi
 
@@ -8382,12 +7799,11 @@ PTHREAD_LIBS=""
 
 if test "x$enable_user_multithread" = xyes; then
     SAVE_LIBS="$LIBS"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5
-printf %s "checking for library containing pthread_create... " >&6; }
-if test ${ac_cv_search_pthread_create+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5
+$as_echo_n "checking for library containing pthread_create... " >&6; }
+if ${ac_cv_search_pthread_create+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8395,159 +7811,81 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char pthread_create ();
 int
-main (void)
+main ()
 {
 return pthread_create ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' pthread
-do
+for ac_lib in '' pthread; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_pthread_create=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_pthread_create+y}
-then :
+  if ${ac_cv_search_pthread_create+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_pthread_create+y}
-then :
+if ${ac_cv_search_pthread_create+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_pthread_create=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5
-printf "%s\n" "$ac_cv_search_pthread_create" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5
+$as_echo "$ac_cv_search_pthread_create" >&6; }
 ac_res=$ac_cv_search_pthread_create
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_libpthread=yes
-else $as_nop
+else
   ac_have_libpthread=no
 fi
 
-           for ac_header in pthread.h
+    for ac_header in pthread.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default"
-if test "x$ac_cv_header_pthread_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_PTHREAD_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default"
+if test "x$ac_cv_header_pthread_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_PTHREAD_H 1
+_ACEOF
  ac_have_pthread_h=yes
-else $as_nop
+else
   ac_have_pthread_h=no
 fi
 
 done
-    if test "$ac_have_libpthread$ac_have_pthread_h" = yesyes; then
-        printf "%s\n" "#define HAVE_USER_MULTITHREAD 1" >>confdefs.h
-
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
-printf %s "checking for $CC options needed to detect all undeclared functions... " >&6; }
-if test ${ac_cv_c_undeclared_builtin_options+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_save_CFLAGS=$CFLAGS
-   ac_cv_c_undeclared_builtin_options='cannot detect'
-   for ac_arg in '' -fno-builtin; do
-     CFLAGS="$ac_save_CFLAGS $ac_arg"
-     # This test program should *not* compile successfully.
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main (void)
-{
-(void) strchr;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-
-else $as_nop
-  # This test program should compile successfully.
-        # No library function is consistently available on
-        # freestanding implementations, so test against a dummy
-        # declaration.  Include always-available headers on the
-        # off chance that they somehow elicit warnings.
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <float.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stddef.h>
-extern void ac_decl (int, char *);
-
-int
-main (void)
-{
-(void) ac_decl (0, (char *) 0);
-  (void) ac_decl;
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  if test x"$ac_arg" = x
-then :
-  ac_cv_c_undeclared_builtin_options='none needed'
-else $as_nop
-  ac_cv_c_undeclared_builtin_options=$ac_arg
-fi
-          break
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-    done
-    CFLAGS=$ac_save_CFLAGS
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_undeclared_builtin_options" >&5
-printf "%s\n" "$ac_cv_c_undeclared_builtin_options" >&6; }
-  case $ac_cv_c_undeclared_builtin_options in #(
-  'cannot detect') :
-    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot make $CC report undeclared builtins
-See \`config.log' for more details" "$LINENO" 5; } ;; #(
-  'none needed') :
-    ac_c_undeclared_builtin_options='' ;; #(
-  *) :
-    ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;;
-esac
+    if test "$ac_have_libpthread$ac_have_pthread_h" = yesyes; then
+        $as_echo "#define HAVE_USER_MULTITHREAD 1" >>confdefs.h
 
-ac_fn_check_decl "$LINENO" "pthread_setaffinity_np" "ac_cv_have_decl_pthread_setaffinity_np" "#define _GNU_SOURCE
+        ac_fn_c_check_decl "$LINENO" "pthread_setaffinity_np" "ac_cv_have_decl_pthread_setaffinity_np" "#define _GNU_SOURCE
 #include <pthread.h>
-" "$ac_c_undeclared_builtin_options" "CFLAGS"
-if test "x$ac_cv_have_decl_pthread_setaffinity_np" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_pthread_setaffinity_np" = xyes; then :
   ac_have_decl=1
-else $as_nop
+else
   ac_have_decl=0
 fi
-printf "%s\n" "#define HAVE_DECL_PTHREAD_SETAFFINITY_NP $ac_have_decl" >>confdefs.h
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_PTHREAD_SETAFFINITY_NP $ac_have_decl
+_ACEOF
 
         if echo "$LIBS" | grep -e -lpthread >/dev/null 2>&1; then
             PTHREAD_LIBS="-lpthread"
@@ -8568,12 +7906,11 @@ save_cpp="$CPPFLAGS"
 save_libs="$LIBS"
 CPPFLAGS="$CPPFLAGS -I/usr/local/include/mbglib/"
 LIBS="$LIBS -lmbgdevio"
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing mbg_open_device" >&5
-printf %s "checking for library containing mbg_open_device... " >&6; }
-if test ${ac_cv_search_mbg_open_device+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing mbg_open_device" >&5
+$as_echo_n "checking for library containing mbg_open_device... " >&6; }
+if ${ac_cv_search_mbg_open_device+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8581,69 +7918,69 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char mbg_open_device ();
 int
-main (void)
+main ()
 {
 return mbg_open_device ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' mbgdevio
-do
+for ac_lib in '' mbgdevio; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_mbg_open_device=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_mbg_open_device+y}
-then :
+  if ${ac_cv_search_mbg_open_device+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_mbg_open_device+y}
-then :
+if ${ac_cv_search_mbg_open_device+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_mbg_open_device=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mbg_open_device" >&5
-printf "%s\n" "$ac_cv_search_mbg_open_device" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mbg_open_device" >&5
+$as_echo "$ac_cv_search_mbg_open_device" >&6; }
 ac_res=$ac_cv_search_mbg_open_device
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_libmbdevio=yes
-else $as_nop
+else
   ac_have_libmbdevio=no
 fi
 
-       for ac_header in mbgdevio.h
+for ac_header in mbgdevio.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "mbgdevio.h" "ac_cv_header_mbgdevio_h" "$ac_includes_default"
-if test "x$ac_cv_header_mbgdevio_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_MBGDEVIO_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "mbgdevio.h" "ac_cv_header_mbgdevio_h" "$ac_includes_default"
+if test "x$ac_cv_header_mbgdevio_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_MBGDEVIO_H 1
+_ACEOF
  ac_have_mbgdevio_h=yes
-else $as_nop
+else
   ac_have_mbgdevio_h=no
 fi
 
 done
+
 #if test "$ac_have_libpthread$ac_have_pthread_h" = yesyes; then
 if test "$ac_have_mbgdevio_h" = yes; then
-    printf "%s\n" "#define HAVE_MBGLIB 1" >>confdefs.h
+    $as_echo "#define HAVE_MBGLIB 1" >>confdefs.h
 
 else
     CPPFLAGS="$save_cpp"
@@ -8651,21 +7988,19 @@ else
 fi
 
 # Check whether --enable-bpf was given.
-if test ${enable_bpf+y}
-then :
+if test "${enable_bpf+set}" = set; then :
   enableval=$enable_bpf; :
-else $as_nop
+else
   enable_bpf=yes
 fi
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing bpf_prog_load_xattr" >&5
-printf %s "checking for library containing bpf_prog_load_xattr... " >&6; }
-if test ${ac_cv_search_bpf_prog_load_xattr+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing bpf_prog_load_xattr" >&5
+$as_echo_n "checking for library containing bpf_prog_load_xattr... " >&6; }
+if ${ac_cv_search_bpf_prog_load_xattr+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8673,68 +8008,68 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char bpf_prog_load_xattr ();
 int
-main (void)
+main ()
 {
 return bpf_prog_load_xattr ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' bpf
-do
+for ac_lib in '' bpf; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_bpf_prog_load_xattr=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_bpf_prog_load_xattr+y}
-then :
+  if ${ac_cv_search_bpf_prog_load_xattr+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_bpf_prog_load_xattr+y}
-then :
+if ${ac_cv_search_bpf_prog_load_xattr+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_bpf_prog_load_xattr=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_bpf_prog_load_xattr" >&5
-printf "%s\n" "$ac_cv_search_bpf_prog_load_xattr" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_bpf_prog_load_xattr" >&5
+$as_echo "$ac_cv_search_bpf_prog_load_xattr" >&6; }
 ac_res=$ac_cv_search_bpf_prog_load_xattr
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_libbpf=yes
-else $as_nop
+else
   ac_have_libbpf=no
 fi
 
-       for ac_header in bpf/bpf.h
+for ac_header in bpf/bpf.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "bpf/bpf.h" "ac_cv_header_bpf_bpf_h" "$ac_includes_default"
-if test "x$ac_cv_header_bpf_bpf_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_BPF_BPF_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "bpf/bpf.h" "ac_cv_header_bpf_bpf_h" "$ac_includes_default"
+if test "x$ac_cv_header_bpf_bpf_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_BPF_BPF_H 1
+_ACEOF
  ac_have_libbpf_h=yes
-else $as_nop
+else
   ac_have_libbpf_h=no
 fi
 
 done
+
 if test "x$ac_have_libbpf$ac_have_libbpf_h$enable_bpf" = "xyesyesyes"; then
-    printf "%s\n" "#define HAVE_BPF 1" >>confdefs.h
+    $as_echo "#define HAVE_BPF 1" >>confdefs.h
 
     have_libbpf=yes
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -8743,22 +8078,21 @@ if test "x$ac_have_libbpf$ac_have_libbpf_h$enable_bpf" = "xyesyesyes"; then
     enum bpf_stats_type test;
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_bpf_has_bpf_stats_type=yes
-else $as_nop
+else
   ac_cv_bpf_has_bpf_stats_type=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     if test "x$ac_cv_bpf_has_bpf_stats_type" = "xyes"; then
-        printf "%s\n" "#define HAVE_BPF_STATS_TYPE 1" >>confdefs.h
+        $as_echo "#define HAVE_BPF_STATS_TYPE 1" >>confdefs.h
 
     fi
 else
@@ -8766,12 +8100,11 @@ else
     enable_bpf=no
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing curl_global_init" >&5
-printf %s "checking for library containing curl_global_init... " >&6; }
-if test ${ac_cv_search_curl_global_init+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing curl_global_init" >&5
+$as_echo_n "checking for library containing curl_global_init... " >&6; }
+if ${ac_cv_search_curl_global_init+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8779,77 +8112,76 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char curl_global_init ();
 int
-main (void)
+main ()
 {
 return curl_global_init ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' curl
-do
+for ac_lib in '' curl; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_curl_global_init=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_curl_global_init+y}
-then :
+  if ${ac_cv_search_curl_global_init+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_curl_global_init+y}
-then :
+if ${ac_cv_search_curl_global_init+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_curl_global_init=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_curl_global_init" >&5
-printf "%s\n" "$ac_cv_search_curl_global_init" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_curl_global_init" >&5
+$as_echo "$ac_cv_search_curl_global_init" >&6; }
 ac_res=$ac_cv_search_curl_global_init
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_curl=yes
-else $as_nop
+else
   ac_have_curl=no
 fi
 
-       for ac_header in curl/curl.h
+for ac_header in curl/curl.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "curl/curl.h" "ac_cv_header_curl_curl_h" "$ac_includes_default"
-if test "x$ac_cv_header_curl_curl_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_CURL_CURL_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "curl/curl.h" "ac_cv_header_curl_curl_h" "$ac_includes_default"
+if test "x$ac_cv_header_curl_curl_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_CURL_CURL_H 1
+_ACEOF
  ac_have_curl_h=yes
-else $as_nop
+else
   ac_have_curl_h=no
 fi
 
 done
+
 if test "$ac_have_curl$ac_have_curl_h" = yesyes; then
-    printf "%s\n" "#define HAVE_CURL 1" >>confdefs.h
+    $as_echo "#define HAVE_CURL 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing elf_version" >&5
-printf %s "checking for library containing elf_version... " >&6; }
-if test ${ac_cv_search_elf_version+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing elf_version" >&5
+$as_echo_n "checking for library containing elf_version... " >&6; }
+if ${ac_cv_search_elf_version+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8857,61 +8189,58 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char elf_version ();
 int
-main (void)
+main ()
 {
 return elf_version ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' elf
-do
+for ac_lib in '' elf; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_elf_version=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_elf_version+y}
-then :
+  if ${ac_cv_search_elf_version+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_elf_version+y}
-then :
+if ${ac_cv_search_elf_version+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_elf_version=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_elf_version" >&5
-printf "%s\n" "$ac_cv_search_elf_version" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_elf_version" >&5
+$as_echo "$ac_cv_search_elf_version" >&6; }
 ac_res=$ac_cv_search_elf_version
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_elf=yes
-else $as_nop
+else
   ac_have_elf=no
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing MHD_start_daemon" >&5
-printf %s "checking for library containing MHD_start_daemon... " >&6; }
-if test ${ac_cv_search_MHD_start_daemon+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing MHD_start_daemon" >&5
+$as_echo_n "checking for library containing MHD_start_daemon... " >&6; }
+if ${ac_cv_search_MHD_start_daemon+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8919,80 +8248,79 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char MHD_start_daemon ();
 int
-main (void)
+main ()
 {
 return MHD_start_daemon ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' microhttpd
-do
+for ac_lib in '' microhttpd; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_MHD_start_daemon=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_MHD_start_daemon+y}
-then :
+  if ${ac_cv_search_MHD_start_daemon+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_MHD_start_daemon+y}
-then :
+if ${ac_cv_search_MHD_start_daemon+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_MHD_start_daemon=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_MHD_start_daemon" >&5
-printf "%s\n" "$ac_cv_search_MHD_start_daemon" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_MHD_start_daemon" >&5
+$as_echo "$ac_cv_search_MHD_start_daemon" >&6; }
 ac_res=$ac_cv_search_MHD_start_daemon
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_libmicrohttpd=yes
-else $as_nop
+else
   ac_have_libmicrohttpd=no
 fi
 
-       for ac_header in microhttpd.h
+for ac_header in microhttpd.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "microhttpd.h" "ac_cv_header_microhttpd_h" "$ac_includes_default"
-if test "x$ac_cv_header_microhttpd_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_MICROHTTPD_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "microhttpd.h" "ac_cv_header_microhttpd_h" "$ac_includes_default"
+if test "x$ac_cv_header_microhttpd_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_MICROHTTPD_H 1
+_ACEOF
  ac_have_microhttpd_h=yes
-else $as_nop
+else
   ac_have_microhttpd_h=no
 fi
 
 done
+
 if test "x$ac_have_libmicrohttpd$ac_have_microhttpd_h" = "xyesyes"; then
     have_httpd=yes
-    printf "%s\n" "#define HAVE_MICROHTTPD 1" >>confdefs.h
+    $as_echo "#define HAVE_MICROHTTPD 1" >>confdefs.h
 
 else
     have_httpd=no
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lre2" >&5
-printf %s "checking for main in -lre2... " >&6; }
-if test ${ac_cv_lib_re2_main+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lre2" >&5
+$as_echo_n "checking for main in -lre2... " >&6; }
+if ${ac_cv_lib_re2_main+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lre2  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9000,59 +8328,58 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 
 int
-main (void)
+main ()
 {
 return main ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_re2_main=yes
-else $as_nop
+else
   ac_cv_lib_re2_main=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_re2_main" >&5
-printf "%s\n" "$ac_cv_lib_re2_main" >&6; }
-if test "x$ac_cv_lib_re2_main" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_re2_main" >&5
+$as_echo "$ac_cv_lib_re2_main" >&6; }
+if test "x$ac_cv_lib_re2_main" = xyes; then :
   ac_have_re2=yes
-else $as_nop
+else
   ac_have_re2=no
 fi
 
-       for ac_header in re2/re2.h
+for ac_header in re2/re2.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "re2/re2.h" "ac_cv_header_re2_re2_h" "$ac_includes_default"
-if test "x$ac_cv_header_re2_re2_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_RE2_RE2_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "re2/re2.h" "ac_cv_header_re2_re2_h" "$ac_includes_default"
+if test "x$ac_cv_header_re2_re2_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_RE2_RE2_H 1
+_ACEOF
  ac_have_re2_h=yes
-else $as_nop
+else
   ac_have_re2_h=no
 fi
 
 done
+
 if test "x$ac_have_re2$ac_have_re2_h" = "xyesyes"; then
     have_re2=yes
     LIBS="$LIBS -lre2"
-    printf "%s\n" "#define HAVE_RE2 1" >>confdefs.h
+    $as_echo "#define HAVE_RE2 1" >>confdefs.h
 
 else
     have_re2=no
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for hs_compile_multi in -lhs" >&5
-printf %s "checking for hs_compile_multi in -lhs... " >&6; }
-if test ${ac_cv_lib_hs_hs_compile_multi+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for hs_compile_multi in -lhs" >&5
+$as_echo_n "checking for hs_compile_multi in -lhs... " >&6; }
+if ${ac_cv_lib_hs_hs_compile_multi+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lhs  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9061,61 +8388,63 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char hs_compile_multi ();
 int
-main (void)
+main ()
 {
 return hs_compile_multi ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_hs_hs_compile_multi=yes
-else $as_nop
+else
   ac_cv_lib_hs_hs_compile_multi=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_hs_hs_compile_multi" >&5
-printf "%s\n" "$ac_cv_lib_hs_hs_compile_multi" >&6; }
-if test "x$ac_cv_lib_hs_hs_compile_multi" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_hs_hs_compile_multi" >&5
+$as_echo "$ac_cv_lib_hs_hs_compile_multi" >&6; }
+if test "x$ac_cv_lib_hs_hs_compile_multi" = xyes; then :
   ac_have_hyperscan=yes
-else $as_nop
+else
   ac_have_hyperscan=no
 fi
 
-       for ac_header in hs/hs.h
+for ac_header in hs/hs.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "hs/hs.h" "ac_cv_header_hs_hs_h" "$ac_includes_default"
-if test "x$ac_cv_header_hs_hs_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_HS_HS_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "hs/hs.h" "ac_cv_header_hs_hs_h" "$ac_includes_default"
+if test "x$ac_cv_header_hs_hs_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_HS_HS_H 1
+_ACEOF
  ac_have_hyperscan_h=yes
-else $as_nop
+else
   ac_have_hyperscan_h=no
 fi
 
 done
+
 if test "x$ac_have_hyperscan$ac_have_hyperscan_h" = "xyesyes"; then
     have_hyperscan=yes
     LIBS="$LIBS -lhs"
-    printf "%s\n" "#define HAVE_HYPERSCAN 1" >>confdefs.h
+    $as_echo "#define HAVE_HYPERSCAN 1" >>confdefs.h
 
 else
     have_hyperscan=no
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing PAPI_start_counters" >&5
-printf %s "checking for library containing PAPI_start_counters... " >&6; }
-if test ${ac_cv_search_PAPI_start_counters+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing PAPI_start_counters" >&5
+$as_echo_n "checking for library containing PAPI_start_counters... " >&6; }
+if ${ac_cv_search_PAPI_start_counters+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9123,83 +8452,82 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char PAPI_start_counters ();
 int
-main (void)
+main ()
 {
 return PAPI_start_counters ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' papi
-do
+for ac_lib in '' papi; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_PAPI_start_counters=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_PAPI_start_counters+y}
-then :
+  if ${ac_cv_search_PAPI_start_counters+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_PAPI_start_counters+y}
-then :
+if ${ac_cv_search_PAPI_start_counters+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_PAPI_start_counters=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_PAPI_start_counters" >&5
-printf "%s\n" "$ac_cv_search_PAPI_start_counters" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_PAPI_start_counters" >&5
+$as_echo "$ac_cv_search_PAPI_start_counters" >&6; }
 ac_res=$ac_cv_search_PAPI_start_counters
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_papi=yes
-else $as_nop
+else
   ac_have_papi=no
 fi
 
-       for ac_header in papi.h
+for ac_header in papi.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "papi.h" "ac_cv_header_papi_h" "$ac_includes_default"
-if test "x$ac_cv_header_papi_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_PAPI_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "papi.h" "ac_cv_header_papi_h" "$ac_includes_default"
+if test "x$ac_cv_header_papi_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_PAPI_H 1
+_ACEOF
  ac_have_papi_h=yes
-else $as_nop
+else
   ac_have_papi_h=no
 fi
 
 done
+
 if test "x$ac_have_papi_h$ac_have_papi" = "xyesyes"; then
-    printf "%s\n" "#define HAVE_PAPI 1" >>confdefs.h
+    $as_echo "#define HAVE_PAPI 1" >>confdefs.h
 
     have_papi=yes
 else
     have_papi=no
 fi
 
-printf "%s\n" "#define HAVE_JSON 1" >>confdefs.h
+$as_echo "#define HAVE_JSON 1" >>confdefs.h
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lpci" >&5
-printf %s "checking for main in -lpci... " >&6; }
-if test ${ac_cv_lib_pci_main+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lpci" >&5
+$as_echo_n "checking for main in -lpci... " >&6; }
+if ${ac_cv_lib_pci_main+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpci  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9207,63 +8535,62 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 
 int
-main (void)
+main ()
 {
 return main ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_pci_main=yes
-else $as_nop
+else
   ac_cv_lib_pci_main=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pci_main" >&5
-printf "%s\n" "$ac_cv_lib_pci_main" >&6; }
-if test "x$ac_cv_lib_pci_main" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pci_main" >&5
+$as_echo "$ac_cv_lib_pci_main" >&6; }
+if test "x$ac_cv_lib_pci_main" = xyes; then :
   ac_have_pci=yes
-else $as_nop
+else
   ac_have_pci=no
 fi
 
-       for ac_header in pci/pci.h
+for ac_header in pci/pci.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "pci/pci.h" "ac_cv_header_pci_pci_h" "$ac_includes_default"
-if test "x$ac_cv_header_pci_pci_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_PCI_PCI_H 1" >>confdefs.h
+  ac_fn_c_check_header_mongrel "$LINENO" "pci/pci.h" "ac_cv_header_pci_pci_h" "$ac_includes_default"
+if test "x$ac_cv_header_pci_pci_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_PCI_PCI_H 1
+_ACEOF
  ac_have_pci_h=yes
-else $as_nop
+else
   ac_have_pci_h=no
 fi
 
 done
+
 if test "x$ac_have_pci$ac_have_pci_h" = "xyesyes"; then
     have_pci=yes
     LIBS="$LIBS -lpci"
-    printf "%s\n" "#define HAVE_PCI 1" >>confdefs.h
+    $as_echo "#define HAVE_PCI 1" >>confdefs.h
 
 else
     have_pci=no
 fi
 
 # Check whether --enable-rand-align was given.
-if test ${enable_rand_align+y}
-then :
+if test "${enable_rand_align+set}" = set; then :
   enableval=$enable_rand_align; :
-else $as_nop
+else
   enable_rand_align=no
 fi
 
 if test "x$enable_rand_align" = "xyes"; then
-    printf "%s\n" "#define HAVE_RAND_ALIGN 1" >>confdefs.h
+    $as_echo "#define HAVE_RAND_ALIGN 1" >>confdefs.h
 
     DO_RAND_ALIGN=1
 
@@ -9273,26 +8600,23 @@ else
 fi
 
 # Check whether --enable-select was given.
-if test ${enable_select+y}
-then :
+if test "${enable_select+set}" = set; then :
   enableval=$enable_select; :
-else $as_nop
+else
   enable_select="select poll kqueue"
 fi
 
 # Check whether --enable-poll was given.
-if test ${enable_poll+y}
-then :
+if test "${enable_poll+set}" = set; then :
   enableval=$enable_poll; :
-else $as_nop
+else
   enable_poll=yes
 fi
 
 # Check whether --enable-kqueue was given.
-if test ${enable_kqueue+y}
-then :
+if test "${enable_kqueue+set}" = set; then :
   enableval=$enable_kqueue; :
-else $as_nop
+else
   enable_kqueue=yes
 fi
 
@@ -9304,160 +8628,146 @@ elif test "$enable_select" = no; then
 fi
 if echo "$enable_select" | grep select >/dev/null 2>&1; then
 
-printf "%s\n" "#define HAVE_ALLOW_SELECT 1" >>confdefs.h
+$as_echo "#define HAVE_ALLOW_SELECT 1" >>confdefs.h
 
 fi
 if echo "$enable_select" | grep poll >/dev/null 2>&1 && test "$enable_poll" = yes; then
 
-printf "%s\n" "#define HAVE_ALLOW_POLL 1" >>confdefs.h
+$as_echo "#define HAVE_ALLOW_POLL 1" >>confdefs.h
 
 fi
 if echo "$enable_select" | grep kqueue >/dev/null 2>&1 && test "$enable_kqueue" = yes; then
 
-printf "%s\n" "#define HAVE_ALLOW_KQUEUE 1" >>confdefs.h
+$as_echo "#define HAVE_ALLOW_KQUEUE 1" >>confdefs.h
 
 fi
 
 
 
 # Check whether --enable-dpdk was given.
-if test ${enable_dpdk+y}
-then :
+if test "${enable_dpdk+set}" = set; then :
   enableval=$enable_dpdk; :
-else $as_nop
+else
   enable_dpdk=no
 fi
 
 
 # Check whether --enable-dpdk-pool was given.
-if test ${enable_dpdk_pool+y}
-then :
+if test "${enable_dpdk_pool+set}" = set; then :
   enableval=$enable_dpdk_pool; :
-else $as_nop
+else
   enable_dpdk_pool=no
 fi
 
 
 # Check whether --enable-dpdk-xchg was given.
-if test ${enable_dpdk_xchg+y}
-then :
+if test "${enable_dpdk_xchg+set}" = set; then :
   enableval=$enable_dpdk_xchg; :
-else $as_nop
+else
   enable_dpdk_xchg=no
 fi
 
 
 # Check whether --enable-dpdk-packet was given.
-if test ${enable_dpdk_packet+y}
-then :
+if test "${enable_dpdk_packet+set}" = set; then :
   enableval=$enable_dpdk_packet; :
-else $as_nop
+else
   enable_dpdk_packet=no
 fi
 
 
 # Check whether --enable-dpdk-softqueue was given.
-if test ${enable_dpdk_softqueue+y}
-then :
+if test "${enable_dpdk_softqueue+set}" = set; then :
   enableval=$enable_dpdk_softqueue; :
-else $as_nop
-  printf "%s\n" "#define HAVE_IQUEUE 1" >>confdefs.h
+else
+  $as_echo "#define HAVE_IQUEUE 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-flow-api was given.
-if test ${enable_flow_api+y}
-then :
+if test "${enable_flow_api+set}" = set; then :
   enableval=$enable_flow_api; :
-else $as_nop
+else
   enable_flow_api=no
 fi
 
 
 
 # Check whether --enable-click-pool was given.
-if test ${enable_click_pool+y}
-then :
+if test "${enable_click_pool+set}" = set; then :
   enableval=$enable_click_pool; :
-else $as_nop
-  enable_click_pool=yes;printf "%s\n" "#define ALLOW_CLICK_PACKET_POOL 1" >>confdefs.h
+else
+  enable_click_pool=yes;$as_echo "#define ALLOW_CLICK_PACKET_POOL 1" >>confdefs.h
 
 fi
 
 
 
 # Check whether --enable-pool-inlining was given.
-if test ${enable_pool_inlining+y}
-then :
+if test "${enable_pool_inlining+set}" = set; then :
   enableval=$enable_pool_inlining; :
-else $as_nop
-  printf "%s\n" "#define POOL_INLINING 1" >>confdefs.h
+else
+  $as_echo "#define POOL_INLINING 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-inlined-allanno was given.
-if test ${enable_inlined_allanno+y}
-then :
+if test "${enable_inlined_allanno+set}" = set; then :
   enableval=$enable_inlined_allanno; :
-else $as_nop
+else
   enable_inlined_allanno=no
 fi
 
 if test "x$enable_inlined_allanno" = "xyes"; then
-    printf "%s\n" "#define INLINED_ALLANNO 1" >>confdefs.h
+    $as_echo "#define INLINED_ALLANNO 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-zerocopy was given.
-if test ${enable_zerocopy+y}
-then :
+if test "${enable_zerocopy+set}" = set; then :
   enableval=$enable_zerocopy; :
-else $as_nop
+else
   enable_zerocopy=yes
 fi
 
 if test "x$enable_zerocopy" = xyes; then
-    printf "%s\n" "#define HAVE_ZEROCOPY 1" >>confdefs.h
+    $as_echo "#define HAVE_ZEROCOPY 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-clone was given.
-if test ${enable_clone+y}
-then :
-  enableval=$enable_clone; printf "%s\n" "#define CLICK_NOINDIRECT 1" >>confdefs.h
+if test "${enable_clone+set}" = set; then :
+  enableval=$enable_clone; $as_echo "#define CLICK_NOINDIRECT 1" >>confdefs.h
 
-else $as_nop
+else
   :
 fi
 
 
 # Check whether --enable-rsspp was given.
-if test ${enable_rsspp+y}
-then :
+if test "${enable_rsspp+set}" = set; then :
   enableval=$enable_rsspp; :
-else $as_nop
+else
   enable_rsspp=yes
 fi
 
 
 
 # Check whether --enable-linuxmodule was given.
-if test ${enable_linuxmodule+y}
-then :
+if test "${enable_linuxmodule+set}" = set; then :
   enableval=$enable_linuxmodule; :
-else $as_nop
+else
   enable_linuxmodule=no; enable_linuxmodule_default=no
 fi
 
 
 # Check whether --enable-fixincludes was given.
-if test ${enable_fixincludes+y}
-then :
+if test "${enable_fixincludes+set}" = set; then :
   enableval=$enable_fixincludes; :
-else $as_nop
+else
   enable_fixincludes=yes
 fi
 
@@ -9468,18 +8778,21 @@ fi
 
 
 # Check whether --enable-multithread was given.
-if test ${enable_multithread+y}
-then :
+if test "${enable_multithread+set}" = set; then :
   enableval=$enable_multithread; :
-else $as_nop
+else
   enable_multithread=no
 fi
 
 
 if test "$enable_multithread" != no -a "$enable_multithread" != 1; then
-    printf "%s\n" "#define __MTCLICK__ 1" >>confdefs.h
+    cat >>confdefs.h <<_ACEOF
+#define __MTCLICK__ 1
+_ACEOF
 
-    printf "%s\n" "#define HAVE_LINUXMODULE_MULTITHREAD 1" >>confdefs.h
+    cat >>confdefs.h <<_ACEOF
+#define HAVE_LINUXMODULE_MULTITHREAD 1
+_ACEOF
 
     saveflags="$CPPFLAGS"
     CPPFLAGS="$saveflags -D__MTCLICK__"
@@ -9488,52 +8801,48 @@ else
 fi
 
 # Check whether --enable-warp9 was given.
-if test ${enable_warp9+y}
-then :
+if test "${enable_warp9+set}" = set; then :
   enableval=$enable_warp9; :
-else $as_nop
+else
   enable_warp9=no
 fi
 
 if test "x$enable_warp9" = xyes; then
-    printf "%s\n" "#define CLICK_WARP9 1" >>confdefs.h
+    $as_echo "#define CLICK_WARP9 1" >>confdefs.h
 
 fi
 
-printf "%s\n" "#define HAVE_CLICKFS 1" >>confdefs.h
+$as_echo "#define HAVE_CLICKFS 1" >>confdefs.h
 
 
 # Check whether --enable-kassert was given.
-if test ${enable_kassert+y}
-then :
+if test "${enable_kassert+set}" = set; then :
   enableval=$enable_kassert; :
-else $as_nop
+else
   enable_kassert=no
 fi
 
 if test $enable_kassert = yes; then
-    printf "%s\n" "#define HAVE_KERNEL_ASSERT 1" >>confdefs.h
+    $as_echo "#define HAVE_KERNEL_ASSERT 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-adaptive was given.
-if test ${enable_adaptive+y}
-then :
+if test "${enable_adaptive+set}" = set; then :
   enableval=$enable_adaptive; :
-else $as_nop
+else
   enable_adaptive=no
 fi
 
 if test "x$enable_adaptive" = xyes; then
-    printf "%s\n" "#define HAVE_ADAPTIVE_SCHEDULER 1" >>confdefs.h
+    $as_echo "#define HAVE_ADAPTIVE_SCHEDULER 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-linux-symbols was given.
-if test ${enable_linux_symbols+y}
-then :
+if test "${enable_linux_symbols+set}" = set; then :
   enableval=$enable_linux_symbols; :
-else $as_nop
+else
   enable_linux_symbols=yes
 fi
 
@@ -9546,34 +8855,31 @@ fi
 
 
 # Check whether --enable-bsdmodule was given.
-if test ${enable_bsdmodule+y}
-then :
+if test "${enable_bsdmodule+set}" = set; then :
   enableval=$enable_bsdmodule; :
-else $as_nop
+else
   enable_bsdmodule=no
 fi
 
 
 # Check whether --enable-netisr was given.
-if test ${enable_netisr+y}
-then :
+if test "${enable_netisr+set}" = set; then :
   enableval=$enable_netisr; :
-else $as_nop
+else
   enable_netisr=yes
 fi
 
 if test $enable_netisr = yes; then
-    printf "%s\n" "#define BSD_NETISRSCHED 1" >>confdefs.h
+    $as_echo "#define BSD_NETISRSCHED 1" >>confdefs.h
 
 fi
 
 
 
 # Check whether --enable-nsclick was given.
-if test ${enable_nsclick+y}
-then :
+if test "${enable_nsclick+set}" = set; then :
   enableval=$enable_nsclick; :
-else $as_nop
+else
   enable_nsclick=no
 fi
 
@@ -9581,47 +8887,42 @@ fi
 
 
 # Check whether --enable-minios was given.
-if test ${enable_minios+y}
-then :
+if test "${enable_minios+set}" = set; then :
   enableval=$enable_minios; :
-else $as_nop
+else
   enable_minios=no
 fi
 
 
 
 # Check whether --with-xen was given.
-if test ${with_xen+y}
-then :
+if test "${with_xen+set}" = set; then :
   withval=$with_xen; xenpath=$withval
-else $as_nop
+else
   xenpath=NONE
 fi
 
 
 # Check whether --with-minios was given.
-if test ${with_minios+y}
-then :
+if test "${with_minios+set}" = set; then :
   withval=$with_minios; miniospath=$withval
-else $as_nop
+else
   miniospath=NONE
 fi
 
 
 # Check whether --with-newlib was given.
-if test ${with_newlib+y}
-then :
+if test "${with_newlib+set}" = set; then :
   withval=$with_newlib; newlibpath=$withval
-else $as_nop
+else
   newlibpath=NONE
 fi
 
 
 # Check whether --with-lwip was given.
-if test ${with_lwip+y}
-then :
+if test "${with_lwip+set}" = set; then :
   withval=$with_lwip; lwippath=$withval
-else $as_nop
+else
   lwippath=NONE
 fi
 
@@ -9695,10 +8996,9 @@ fi
 
 
 # Check whether --with-linux was given.
-if test ${with_linux+y}
-then :
+if test "${with_linux+set}" = set; then :
   withval=$with_linux; linuxpath=$withval
-else $as_nop
+else
   linuxpath=NONE
 fi
 
@@ -9706,10 +9006,9 @@ test -z "$linuxpath" -o "$linuxpath" = yes && linuxpath=yes
 
 
 # Check whether --with-linux-map was given.
-if test ${with_linux_map+y}
-then :
+if test "${with_linux_map+set}" = set; then :
   withval=$with_linux_map; linux_system_map=$withval; if test -z "$withval" -o "$withval" = yes; then linux_system_map=NONE; fi
-else $as_nop
+else
   linux_system_map=NONE
 fi
 
@@ -9802,15 +9101,16 @@ fi
 
 
 
-printf "%s\n" "#define LINUX_SRCDIR \"${linux_srcdir}\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define LINUX_SRCDIR "${linux_srcdir}"
+_ACEOF
 
 
 
 
 
 # Check whether --enable-all-elements was given.
-if test ${enable_all_elements+y}
-then :
+if test "${enable_all_elements+set}" = set; then :
   enableval=$enable_all_elements;
 fi
 
@@ -9820,10 +9120,9 @@ element_groups=""
 
 
 # Check whether --enable-analysis was given.
-if test ${enable_analysis+y}
-then :
+if test "${enable_analysis+set}" = set; then :
   enableval=$enable_analysis;
-else $as_nop
+else
   enable_analysis=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_analysis" = xNO -o "x$enable_analysis" = x \) && enable_analysis=yes
@@ -9832,10 +9131,9 @@ if test "x$enable_analysis" = xyes; then
 
 fi
 # Check whether --enable-app was given.
-if test ${enable_app+y}
-then :
+if test "${enable_app+set}" = set; then :
   enableval=$enable_app;
-else $as_nop
+else
   enable_app=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_app" = xNO -o "x$enable_app" = x \) && enable_app=yes
@@ -9844,10 +9142,9 @@ if test "x$enable_app" = xyes; then
 
 fi
 # Check whether --enable-aqm was given.
-if test ${enable_aqm+y}
-then :
+if test "${enable_aqm+set}" = set; then :
   enableval=$enable_aqm;
-else $as_nop
+else
   enable_aqm=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_aqm" = xNO -o "x$enable_aqm" = x \) && enable_aqm=yes
@@ -9856,10 +9153,9 @@ if test "x$enable_aqm" = xyes; then
 
 fi
 # Check whether --enable-ethernet was given.
-if test ${enable_ethernet+y}
-then :
+if test "${enable_ethernet+set}" = set; then :
   enableval=$enable_ethernet;
-else $as_nop
+else
   enable_ethernet=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_ethernet" = xNO -o "x$enable_ethernet" = x \) && enable_ethernet=yes
@@ -9868,10 +9164,9 @@ if test "x$enable_ethernet" = xyes; then
 
 fi
 # Check whether --enable-etherswitch was given.
-if test ${enable_etherswitch+y}
-then :
+if test "${enable_etherswitch+set}" = set; then :
   enableval=$enable_etherswitch;
-else $as_nop
+else
   enable_etherswitch=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_etherswitch" = xNO -o "x$enable_etherswitch" = x \) && enable_etherswitch=yes
@@ -9880,10 +9175,9 @@ if test "x$enable_etherswitch" = xyes; then
 
 fi
 # Check whether --enable-flow was given.
-if test ${enable_flow+y}
-then :
+if test "${enable_flow+set}" = set; then :
   enableval=$enable_flow;
-else $as_nop
+else
   enable_flow=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_flow" = xNO -o "x$enable_flow" = x \) -a "x$enable_batch" = xyes   && enable_flow=yes
@@ -9892,10 +9186,9 @@ if test "x$enable_flow" = xyes; then
     enable_flow=yes
 fi
 # Check whether --enable-ctx was given.
-if test ${enable_ctx+y}
-then :
+if test "${enable_ctx+set}" = set; then :
   enableval=$enable_ctx;
-else $as_nop
+else
   enable_ctx=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_ctx" = xNO -o "x$enable_ctx" = x \) -a "x$enable_flow" = xyes   && enable_ctx=yes
@@ -9904,10 +9197,9 @@ if test "x$enable_ctx" = xyes; then
     enable_ctx=yes
 fi
 # Check whether --enable-grid was given.
-if test ${enable_grid+y}
-then :
+if test "${enable_grid+set}" = set; then :
   enableval=$enable_grid;
-else $as_nop
+else
   enable_grid=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_grid" = xNO -o "x$enable_grid" = x \) && enable_grid=yes
@@ -9916,10 +9208,9 @@ if test "x$enable_grid" = xyes; then
 
 fi
 # Check whether --enable-icmp was given.
-if test ${enable_icmp+y}
-then :
+if test "${enable_icmp+set}" = set; then :
   enableval=$enable_icmp;
-else $as_nop
+else
   enable_icmp=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_icmp" = xNO -o "x$enable_icmp" = x \) && enable_icmp=yes
@@ -9928,10 +9219,9 @@ if test "x$enable_icmp" = xyes; then
 
 fi
 # Check whether --enable-ip was given.
-if test ${enable_ip+y}
-then :
+if test "${enable_ip+set}" = set; then :
   enableval=$enable_ip;
-else $as_nop
+else
   enable_ip=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_ip" = xNO -o "x$enable_ip" = x \) && enable_ip=yes
@@ -9940,36 +9230,33 @@ if test "x$enable_ip" = xyes; then
 
 fi
 # Check whether --enable-ip6 was given.
-if test ${enable_ip6+y}
-then :
+if test "${enable_ip6+set}" = set; then :
   enableval=$enable_ip6;
-else $as_nop
+else
   enable_ip6=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_ip6" = xNO -o "x$enable_ip6" = x \) && enable_ip6=yes
 if test "x$enable_ip6" = xyes; then
     :
-    printf "%s\n" "#define HAVE_IP6 1" >>confdefs.h
+    $as_echo "#define HAVE_IP6 1" >>confdefs.h
 
 fi
 # Check whether --enable-ipsec was given.
-if test ${enable_ipsec+y}
-then :
+if test "${enable_ipsec+set}" = set; then :
   enableval=$enable_ipsec;
-else $as_nop
+else
   enable_ipsec=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_ipsec" = xNO -o "x$enable_ipsec" = x \) && enable_ipsec=yes
 if test "x$enable_ipsec" = xyes; then
     :
-    printf "%s\n" "#define HAVE_IPSEC 1" >>confdefs.h
+    $as_echo "#define HAVE_IPSEC 1" >>confdefs.h
 
 fi
 # Check whether --enable-local was given.
-if test ${enable_local+y}
-then :
+if test "${enable_local+set}" = set; then :
   enableval=$enable_local;
-else $as_nop
+else
   enable_local=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_local" = xNO -o "x$enable_local" = x \) && enable_local=yes
@@ -9978,10 +9265,9 @@ if test "x$enable_local" = xyes; then
 
 fi
 # Check whether --enable-radio was given.
-if test ${enable_radio+y}
-then :
+if test "${enable_radio+set}" = set; then :
   enableval=$enable_radio;
-else $as_nop
+else
   enable_radio=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_radio" = xNO -o "x$enable_radio" = x \) && enable_radio=yes
@@ -9990,10 +9276,9 @@ if test "x$enable_radio" = xyes; then
 
 fi
 # Check whether --enable-research was given.
-if test ${enable_research+y}
-then :
+if test "${enable_research+set}" = set; then :
   enableval=$enable_research;
-else $as_nop
+else
   enable_research=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_research" = xNO -o "x$enable_research" = x \) && enable_research=yes
@@ -10002,10 +9287,9 @@ if test "x$enable_research" = xyes; then
 
 fi
 # Check whether --enable-simple was given.
-if test ${enable_simple+y}
-then :
+if test "${enable_simple+set}" = set; then :
   enableval=$enable_simple;
-else $as_nop
+else
   enable_simple=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_simple" = xNO -o "x$enable_simple" = x \) && enable_simple=yes
@@ -10014,10 +9298,9 @@ if test "x$enable_simple" = xyes; then
 
 fi
 # Check whether --enable-standard was given.
-if test ${enable_standard+y}
-then :
+if test "${enable_standard+set}" = set; then :
   enableval=$enable_standard;
-else $as_nop
+else
   enable_standard=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_standard" = xNO -o "x$enable_standard" = x \) && enable_standard=yes
@@ -10026,10 +9309,9 @@ if test "x$enable_standard" = xyes; then
 
 fi
 # Check whether --enable-tcpudp was given.
-if test ${enable_tcpudp+y}
-then :
+if test "${enable_tcpudp+set}" = set; then :
   enableval=$enable_tcpudp;
-else $as_nop
+else
   enable_tcpudp=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_tcpudp" = xNO -o "x$enable_tcpudp" = x \) && enable_tcpudp=yes
@@ -10038,10 +9320,9 @@ if test "x$enable_tcpudp" = xyes; then
 
 fi
 # Check whether --enable-test was given.
-if test ${enable_test+y}
-then :
+if test "${enable_test+set}" = set; then :
   enableval=$enable_test;
-else $as_nop
+else
   enable_test=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_test" = xNO -o "x$enable_test" = x \) && enable_test=yes
@@ -10050,10 +9331,9 @@ if test "x$enable_test" = xyes; then
 
 fi
 # Check whether --enable-threads was given.
-if test ${enable_threads+y}
-then :
+if test "${enable_threads+set}" = set; then :
   enableval=$enable_threads;
-else $as_nop
+else
   enable_threads=yes
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_threads" = xNO -o "x$enable_threads" = x \) && enable_threads=yes
@@ -10062,10 +9342,9 @@ if test "x$enable_threads" = xyes; then
 
 fi
 # Check whether --enable-tunnel was given.
-if test ${enable_tunnel+y}
-then :
+if test "${enable_tunnel+set}" = set; then :
   enableval=$enable_tunnel;
-else $as_nop
+else
   enable_tunnel=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_tunnel" = xNO -o "x$enable_tunnel" = x \) && enable_tunnel=yes
@@ -10074,10 +9353,9 @@ if test "x$enable_tunnel" = xyes; then
 
 fi
 # Check whether --enable-wifi was given.
-if test ${enable_wifi+y}
-then :
+if test "${enable_wifi+set}" = set; then :
   enableval=$enable_wifi;
-else $as_nop
+else
   enable_wifi=NO
 fi
 test "x$enable_all_elements" = xyes -a \( "x$enable_wifi" = xNO -o "x$enable_wifi" = x \) && enable_wifi=yes
@@ -10086,18 +9364,16 @@ if test "x$enable_wifi" = xyes; then
 
 fi
 # Check whether --enable-experimental was given.
-if test ${enable_experimental+y}
-then :
+if test "${enable_experimental+set}" = set; then :
   enableval=$enable_experimental; :
-else $as_nop
+else
   enable_experimental=no
 fi
 
 # Check whether --enable-skip-elements was given.
-if test ${enable_skip_elements+y}
-then :
+if test "${enable_skip_elements+set}" = set; then :
   enableval=$enable_skip_elements; :
-else $as_nop
+else
   enable_skip_elements=no
 fi
 
@@ -10121,10 +9397,9 @@ fi
 
 
 # Check whether --with-freebsd was given.
-if test ${with_freebsd+y}
-then :
+if test "${with_freebsd+set}" = set; then :
   withval=$with_freebsd; freebsddir=$withval; if test -z "$withval" -o "$withval" = yes; then freebsddir=/usr/src/sys,/usr/include; fi
-else $as_nop
+else
   freebsddir=NONE
 fi
 
@@ -10133,14 +9408,14 @@ if test "x$freebsddir" = xNONE; then
   if test -d /usr/src/sys -a -d /usr/include; then
     freebsddir=/usr/src/sys,/usr/include
   elif test "x$enable_bsdmodule" = xyes; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 =========================================
 
 Can't find /usr/src/sys and/or /usr/include, so I'm not compiling
 the bsdmodule driver.  (You may need the --with-freebsd=DIR option.)
 
 =========================================" >&5
-printf "%s\n" "$as_me: WARNING:
+$as_echo "$as_me: WARNING:
 =========================================
 
 Can't find /usr/src/sys and/or /usr/include, so I'm not compiling
@@ -10179,22 +9454,23 @@ and $freebsd_includedir contain FreeBSD kernel source?
 
 
 
-printf "%s\n" "#define FREEBSD_INCLUDEDIR \"${freebsd_includedir}\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define FREEBSD_INCLUDEDIR "${freebsd_includedir}"
+_ACEOF
 
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are compiling for Linux" >&5
-printf %s "checking whether we are compiling for Linux... " >&6; }
-if test ${ac_cv_under_linux+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are compiling for Linux" >&5
+$as_echo_n "checking whether we are compiling for Linux... " >&6; }
+if ${ac_cv_under_linux+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 #ifndef __linux__
 #error "fuckers! fuckers!"
@@ -10204,16 +9480,15 @@ return 0;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_under_linux=yes
-else $as_nop
+else
   ac_cv_under_linux=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_under_linux" >&5
-printf "%s\n" "$ac_cv_under_linux" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_under_linux" >&5
+$as_echo "$ac_cv_under_linux" >&6; }
 
 
 
@@ -10224,11 +9499,10 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 ac_fn_c_check_func "$LINENO" "strerror" "ac_cv_func_strerror"
-if test "x$ac_cv_func_strerror" = xyes
-then :
-  printf "%s\n" "#define HAVE_STRERROR 1" >>confdefs.h
+if test "x$ac_cv_func_strerror" = xyes; then :
+  $as_echo "#define HAVE_STRERROR 1" >>confdefs.h
 
-else $as_nop
+else
   case " $LIBOBJS " in
   *" strerror.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS strerror.$ac_objext"
@@ -10237,60 +9511,18 @@ esac
 
 fi
 
-ac_fn_c_check_func "$LINENO" "random" "ac_cv_func_random"
-if test "x$ac_cv_func_random" = xyes
-then :
-  printf "%s\n" "#define HAVE_RANDOM 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "snprintf" "ac_cv_func_snprintf"
-if test "x$ac_cv_func_snprintf" = xyes
-then :
-  printf "%s\n" "#define HAVE_SNPRINTF 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "strnlen" "ac_cv_func_strnlen"
-if test "x$ac_cv_func_strnlen" = xyes
-then :
-  printf "%s\n" "#define HAVE_STRNLEN 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "strtof" "ac_cv_func_strtof"
-if test "x$ac_cv_func_strtof" = xyes
-then :
-  printf "%s\n" "#define HAVE_STRTOF 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "strtold" "ac_cv_func_strtold"
-if test "x$ac_cv_func_strtold" = xyes
-then :
-  printf "%s\n" "#define HAVE_STRTOLD 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "strtoul" "ac_cv_func_strtoul"
-if test "x$ac_cv_func_strtoul" = xyes
-then :
-  printf "%s\n" "#define HAVE_STRTOUL 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "tcgetpgrp" "ac_cv_func_tcgetpgrp"
-if test "x$ac_cv_func_tcgetpgrp" = xyes
-then :
-  printf "%s\n" "#define HAVE_TCGETPGRP 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "vsnprintf" "ac_cv_func_vsnprintf"
-if test "x$ac_cv_func_vsnprintf" = xyes
-then :
-  printf "%s\n" "#define HAVE_VSNPRINTF 1" >>confdefs.h
 
-fi
-ac_fn_c_check_func "$LINENO" "aligned_alloc" "ac_cv_func_aligned_alloc"
-if test "x$ac_cv_func_aligned_alloc" = xyes
-then :
-  printf "%s\n" "#define HAVE_ALIGNED_ALLOC 1" >>confdefs.h
+for ac_func in random snprintf strnlen strtof strtold strtoul tcgetpgrp vsnprintf aligned_alloc
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
 
 fi
+done
 
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -10302,24 +9534,22 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 # Check whether --enable-smaller-code was given.
-if test ${enable_smaller_code+y}
-then :
+if test "${enable_smaller_code+set}" = set; then :
   enableval=$enable_smaller_code; :
-else $as_nop
+else
   enable_smaller_code=no
 fi
 
 if test "x$enable_smaller_code" = xyes; then
 
-printf "%s\n" "#define CLICK_OPTIMIZE_SIZE 1" >>confdefs.h
+$as_echo "#define CLICK_OPTIMIZE_SIZE 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-int64 was given.
-if test ${enable_int64+y}
-then :
+if test "${enable_int64+set}" = set; then :
   enableval=$enable_int64; :
-else $as_nop
+else
   enable_int64=yes
 fi
 
@@ -10328,19 +9558,17 @@ fi
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
-printf %s "checking size of int... " >&6; }
-if test ${ac_cv_sizeof_int+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
+$as_echo_n "checking size of int... " >&6; }
+if ${ac_cv_sizeof_int+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_int" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (int)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -10349,31 +9577,31 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5
-printf "%s\n" "$ac_cv_sizeof_int" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5
+$as_echo "$ac_cv_sizeof_int" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_INT $ac_cv_sizeof_int" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_INT $ac_cv_sizeof_int
+_ACEOF
 
 
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
-printf %s "checking size of long... " >&6; }
-if test ${ac_cv_sizeof_long+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
+$as_echo_n "checking size of long... " >&6; }
+if ${ac_cv_sizeof_long+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_long" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -10382,31 +9610,31 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5
-printf "%s\n" "$ac_cv_sizeof_long" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5
+$as_echo "$ac_cv_sizeof_long" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_LONG $ac_cv_sizeof_long" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_LONG $ac_cv_sizeof_long
+_ACEOF
 
 
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
-printf %s "checking size of size_t... " >&6; }
-if test ${ac_cv_sizeof_size_t+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
+$as_echo_n "checking size of size_t... " >&6; }
+if ${ac_cv_sizeof_size_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_size_t" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (size_t)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -10415,31 +9643,31 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_size_t" >&5
-printf "%s\n" "$ac_cv_sizeof_size_t" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_size_t" >&5
+$as_echo "$ac_cv_sizeof_size_t" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_SIZE_T $ac_cv_sizeof_size_t" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_SIZE_T $ac_cv_sizeof_size_t
+_ACEOF
 
 
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of ptrdiff_t" >&5
-printf %s "checking size of ptrdiff_t... " >&6; }
-if test ${ac_cv_sizeof_ptrdiff_t+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (ptrdiff_t))" "ac_cv_sizeof_ptrdiff_t"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of ptrdiff_t" >&5
+$as_echo_n "checking size of ptrdiff_t... " >&6; }
+if ${ac_cv_sizeof_ptrdiff_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (ptrdiff_t))" "ac_cv_sizeof_ptrdiff_t"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_ptrdiff_t" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (ptrdiff_t)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -10448,31 +9676,31 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_ptrdiff_t" >&5
-printf "%s\n" "$ac_cv_sizeof_ptrdiff_t" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_ptrdiff_t" >&5
+$as_echo "$ac_cv_sizeof_ptrdiff_t" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_PTRDIFF_T $ac_cv_sizeof_ptrdiff_t" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_PTRDIFF_T $ac_cv_sizeof_ptrdiff_t
+_ACEOF
 
 
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
-printf %s "checking size of void *... " >&6; }
-if test ${ac_cv_sizeof_void_p+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
+$as_echo_n "checking size of void *... " >&6; }
+if ${ac_cv_sizeof_void_p+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_void_p" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (void *)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -10481,169 +9709,32 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
-printf "%s\n" "$ac_cv_sizeof_void_p" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
+$as_echo "$ac_cv_sizeof_void_p" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_VOID_P $ac_cv_sizeof_void_p" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
+_ACEOF
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-printf %s "checking for grep that handles long lines and -e... " >&6; }
-if test ${ac_cv_path_GREP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$GREP"; then
-  ac_path_GREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_prog in grep ggrep
-   do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_GREP" || continue
-# Check for GNU ac_path_GREP and select it if it is found.
-  # Check for GNU $ac_path_GREP
-case `"$ac_path_GREP" --version 2>&1` in
-*GNU*)
-  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
-*)
-  ac_count=0
-  printf %s 0123456789 >"conftest.in"
-  while :
-  do
-    cat "conftest.in" "conftest.in" >"conftest.tmp"
-    mv "conftest.tmp" "conftest.in"
-    cp "conftest.in" "conftest.nl"
-    printf "%s\n" 'GREP' >> "conftest.nl"
-    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
-    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_GREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_GREP="$ac_path_GREP"
-      ac_path_GREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
 
-      $ac_path_GREP_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
-  if test -z "$ac_cv_path_GREP"; then
-    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
-else
-  ac_cv_path_GREP=$GREP
-fi
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-printf "%s\n" "$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-printf %s "checking for egrep... " >&6; }
-if test ${ac_cv_path_EGREP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
-   then ac_cv_path_EGREP="$GREP -E"
-   else
-     if test -z "$EGREP"; then
-  ac_path_EGREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_prog in egrep
-   do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_EGREP" || continue
-# Check for GNU ac_path_EGREP and select it if it is found.
-  # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in
-*GNU*)
-  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
-*)
-  ac_count=0
-  printf %s 0123456789 >"conftest.in"
-  while :
-  do
-    cat "conftest.in" "conftest.in" >"conftest.tmp"
-    mv "conftest.tmp" "conftest.in"
-    cp "conftest.in" "conftest.nl"
-    printf "%s\n" 'EGREP' >> "conftest.nl"
-    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
-    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_EGREP="$ac_path_EGREP"
-      ac_path_EGREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
 
-      $ac_path_EGREP_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
-  if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
+$as_echo_n "checking whether char is unsigned... " >&6; }
+if ${ac_cv_c_char_unsigned+:} false; then :
+  $as_echo_n "(cached) " >&6
 else
-  ac_cv_path_EGREP=$EGREP
-fi
-
-   fi
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-printf "%s\n" "$ac_cv_path_EGREP" >&6; }
- EGREP="$ac_cv_path_EGREP"
-
-
-
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
-printf %s "checking whether char is unsigned... " >&6; }
-if test ${ac_cv_c_char_unsigned+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
-main (void)
+main ()
 {
 static int test_array [1 - 2 * !(((char) -1) < 0)];
 test_array [0] = 0;
@@ -10653,77 +9744,72 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_c_char_unsigned=no
-else $as_nop
+else
   ac_cv_c_char_unsigned=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5
-printf "%s\n" "$ac_cv_c_char_unsigned" >&6; }
-if test $ac_cv_c_char_unsigned = yes; then
-  printf "%s\n" "#define __CHAR_UNSIGNED__ 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5
+$as_echo "$ac_cv_c_char_unsigned" >&6; }
+if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
+  $as_echo "#define __CHAR_UNSIGNED__ 1" >>confdefs.h
 
 fi
 
 
 
     if test x$ac_cv_header_inttypes_h = xno; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for uintXX_t typedefs" >&5
-printf %s "checking for uintXX_t typedefs... " >&6; }
-if test ${ac_cv_uint_t+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uintXX_t typedefs" >&5
+$as_echo_n "checking for uintXX_t typedefs... " >&6; }
+if ${ac_cv_uint_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "(^|[^a-zA-Z_0-9])uint32_t[^a-zA-Z_0-9]" >/dev/null 2>&1
-then :
+  $EGREP "(^|[^a-zA-Z_0-9])uint32_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then :
   ac_cv_uint_t=yes
-else $as_nop
+else
   ac_cv_uint_t=no
 fi
-rm -rf conftest*
+rm -f conftest*
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_uint_t" >&5
-printf "%s\n" "$ac_cv_uint_t" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_uint_t" >&5
+$as_echo "$ac_cv_uint_t" >&6; }
     fi
     if test x$ac_cv_header_inttypes_h = xno -a "$ac_cv_uint_t" = no; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for u_intXX_t typedefs" >&5
-printf %s "checking for u_intXX_t typedefs... " >&6; }
-if test ${ac_cv_u_int_t+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for u_intXX_t typedefs" >&5
+$as_echo_n "checking for u_intXX_t typedefs... " >&6; }
+if ${ac_cv_u_int_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "(^|[^a-zA-Z_0-9])u_int32_t[^a-zA-Z_0-9]" >/dev/null 2>&1
-then :
+  $EGREP "(^|[^a-zA-Z_0-9])u_int32_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then :
   ac_cv_u_int_t=yes
-else $as_nop
+else
   ac_cv_u_int_t=no
 fi
-rm -rf conftest*
+rm -f conftest*
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_u_int_t" >&5
-printf "%s\n" "$ac_cv_u_int_t" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_u_int_t" >&5
+$as_echo "$ac_cv_u_int_t" >&6; }
     fi
     if test x$ac_cv_header_inttypes_h = xyes -o "$ac_cv_uint_t" = yes; then :
     elif test "$ac_cv_u_int_t" = yes; then
 
-printf "%s\n" "#define HAVE_U_INT_TYPES 1" >>confdefs.h
+$as_echo "#define HAVE_U_INT_TYPES 1" >>confdefs.h
 
     else
         as_fn_error $? "
@@ -10735,18 +9821,16 @@ Neither uint32_t nor u_int32_t defined by <inttypes.h> or <sys/types.h>!
     fi
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether machine is indifferent to alignment" >&5
-printf %s "checking whether machine is indifferent to alignment... " >&6; }
-if test ${ac_cv_alignment_indifferent+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether machine is indifferent to alignment" >&5
+$as_echo_n "checking whether machine is indifferent to alignment... " >&6; }
+if ${ac_cv_alignment_indifferent+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test "x$ac_cv_header_inttypes_h" = xyes; then inttypes_hdr='inttypes.h'; else inttypes_hdr='sys/types.h'; fi
 
-    if test "$cross_compiling" = yes
-then :
+    if test "$cross_compiling" = yes; then :
   ac_cv_alignment_indifferent=no
-else $as_nop
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <$inttypes_hdr>
@@ -10770,10 +9854,9 @@ int main(int argc, char *argv[]) {
     exit(0);
 }
 _ACEOF
-if ac_fn_cxx_try_run "$LINENO"
-then :
+if ac_fn_cxx_try_run "$LINENO"; then :
   ac_cv_alignment_indifferent=yes
-else $as_nop
+else
   ac_cv_alignment_indifferent=no
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -10781,11 +9864,11 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_alignment_indifferent" >&5
-printf "%s\n" "$ac_cv_alignment_indifferent" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_alignment_indifferent" >&5
+$as_echo "$ac_cv_alignment_indifferent" >&6; }
     if test "x$ac_cv_alignment_indifferent" = xyes; then
 
-printf "%s\n" "#define HAVE_INDIFFERENT_ALIGNMENT 1" >>confdefs.h
+$as_echo "#define HAVE_INDIFFERENT_ALIGNMENT 1" >>confdefs.h
 
     fi
 if test "x$enable_int64" = xyes; then
@@ -10793,19 +9876,17 @@ if test "x$enable_int64" = xyes; then
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
-printf %s "checking size of long long... " >&6; }
-if test ${ac_cv_sizeof_long_long+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
+$as_echo_n "checking size of long long... " >&6; }
+if ${ac_cv_sizeof_long_long+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_long_long" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long long)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -10814,12 +9895,14 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_long" >&5
-printf "%s\n" "$ac_cv_sizeof_long_long" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_long" >&5
+$as_echo "$ac_cv_sizeof_long_long" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long
+_ACEOF
 
 
 
@@ -10831,35 +9914,38 @@ printf "%s\n" "#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long" >>confdefs.h
     fi
 
     ac_fn_cxx_check_type "$LINENO" "long long" "ac_cv_type_long_long" "$ac_includes_default"
-if test "x$ac_cv_type_long_long" = xyes
-then :
+if test "x$ac_cv_type_long_long" = xyes; then :
 
-printf "%s\n" "#define HAVE_LONG_LONG 1" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define HAVE_LONG_LONG 1
+_ACEOF
 
 
 fi
 
     ac_fn_cxx_check_type "$LINENO" "int64_t" "ac_cv_type_int64_t" "#include <$inttypes_hdr>
 "
-if test "x$ac_cv_type_int64_t" = xyes
-then :
+if test "x$ac_cv_type_int64_t" = xyes; then :
 
-printf "%s\n" "#define HAVE_INT64_T 1" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define HAVE_INT64_T 1
+_ACEOF
 
 ac_cv_int64_t=yes
-else $as_nop
+else
   ac_cv_int64_t=no
 fi
 
     ac_fn_cxx_check_type "$LINENO" "uint64_t" "ac_cv_type_uint64_t" "#include <$inttypes_hdr>
 "
-if test "x$ac_cv_type_uint64_t" = xyes
-then :
+if test "x$ac_cv_type_uint64_t" = xyes; then :
 
-printf "%s\n" "#define HAVE_UINT64_T 1" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define HAVE_UINT64_T 1
+_ACEOF
 
 ac_cv_uint64_t=yes
-else $as_nop
+else
   ac_cv_uint64_t=no
 fi
 
@@ -10875,16 +9961,15 @@ Compile with '--disable-int64'.
 =========================================" "$LINENO" 5
     else
 
-printf "%s\n" "#define HAVE_INT64_TYPES 1" >>confdefs.h
+$as_echo "#define HAVE_INT64_TYPES 1" >>confdefs.h
 
         have_int64_types=yes
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether long and int64_t are the same type" >&5
-printf %s "checking whether long and int64_t are the same type... " >&6; }
-if test ${ac_cv_long_64+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether long and int64_t are the same type" >&5
+$as_echo_n "checking whether long and int64_t are the same type... " >&6; }
+if ${ac_cv_long_64+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -10899,35 +9984,33 @@ void f1(long) {
 void f1(int64_t) { // will fail if long and int64_t are the same type
 }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_long_64=no
-else $as_nop
+else
   ac_cv_long_64=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_64" >&5
-printf "%s\n" "$ac_cv_long_64" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_64" >&5
+$as_echo "$ac_cv_long_64" >&6; }
         if test $ac_cv_long_64 = yes; then
 
-printf "%s\n" "#define HAVE_INT64_IS_LONG_USERLEVEL 1" >>confdefs.h
+$as_echo "#define HAVE_INT64_IS_LONG_USERLEVEL 1" >>confdefs.h
 
         fi
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether long long and int64_t are the same type" >&5
-printf %s "checking whether long long and int64_t are the same type... " >&6; }
-if test ${ac_cv_long_long_64+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether long long and int64_t are the same type" >&5
+$as_echo_n "checking whether long long and int64_t are the same type... " >&6; }
+if ${ac_cv_long_long_64+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -10942,55 +10025,42 @@ void f1(long long) {
 void f1(int64_t) { // will fail if long long and int64_t are the same type
 }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_long_long_64=no
-else $as_nop
+else
   ac_cv_long_long_64=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_long_64" >&5
-printf "%s\n" "$ac_cv_long_long_64" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_long_64" >&5
+$as_echo "$ac_cv_long_long_64" >&6; }
         if test $ac_cv_long_long_64 = yes; then
 
-printf "%s\n" "#define HAVE_INT64_IS_LONG_LONG_USERLEVEL 1" >>confdefs.h
+$as_echo "#define HAVE_INT64_IS_LONG_LONG_USERLEVEL 1" >>confdefs.h
 
         fi
     fi
 fi
-ac_header= ac_cache=
-for ac_item in $ac_header_cxx_list
-do
-  if test $ac_cache; then
-    ac_fn_cxx_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"
-    if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then
-      printf "%s\n" "#define $ac_item 1" >> confdefs.h
-    fi
-    ac_header= ac_cache=
-  elif test $ac_header; then
-    ac_cache=$ac_item
-  else
-    ac_header=$ac_item
-  fi
-done
 
 
 
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
-printf %s "checking whether byte ordering is bigendian... " >&6; }
-if test ${ac_cv_c_bigendian+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+
+
+
+
+     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
+$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
+if ${ac_cv_c_bigendian+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_cv_c_bigendian=unknown
     # See if we're dealing with a universal compiler.
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -11001,8 +10071,7 @@ else $as_nop
 	     typedef int dummy;
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
 
 	# Check for potential -arch flags.  It is not universal unless
 	# there are at least two -arch flags with different values.
@@ -11026,7 +10095,7 @@ then :
 	 fi
        done
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     if test $ac_cv_c_bigendian = unknown; then
       # See if sys/param.h defines the BYTE_ORDER macro.
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -11035,7 +10104,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	     #include <sys/param.h>
 
 int
-main (void)
+main ()
 {
 #if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
 		     && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
@@ -11047,8 +10116,7 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   # It does; now see whether it defined to BIG_ENDIAN or not.
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -11056,7 +10124,7 @@ then :
 		#include <sys/param.h>
 
 int
-main (void)
+main ()
 {
 #if BYTE_ORDER != BIG_ENDIAN
 		 not big endian
@@ -11066,15 +10134,14 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_c_bigendian=yes
-else $as_nop
+else
   ac_cv_c_bigendian=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     fi
     if test $ac_cv_c_bigendian = unknown; then
       # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
@@ -11083,7 +10150,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 #include <limits.h>
 
 int
-main (void)
+main ()
 {
 #if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
 	      bogus endian macros
@@ -11093,15 +10160,14 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   # It does; now see whether it defined to _BIG_ENDIAN or not.
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <limits.h>
 
 int
-main (void)
+main ()
 {
 #ifndef _BIG_ENDIAN
 		 not big endian
@@ -11111,33 +10177,31 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_c_bigendian=yes
-else $as_nop
+else
   ac_cv_c_bigendian=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     fi
     if test $ac_cv_c_bigendian = unknown; then
       # Compile a test program.
-      if test "$cross_compiling" = yes
-then :
+      if test "$cross_compiling" = yes; then :
   # Try to guess by grepping values from an object file.
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-unsigned short int ascii_mm[] =
+short int ascii_mm[] =
 		  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
-		unsigned short int ascii_ii[] =
+		short int ascii_ii[] =
 		  { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
 		int use_ascii (int i) {
 		  return ascii_mm[i] + ascii_ii[i];
 		}
-		unsigned short int ebcdic_ii[] =
+		short int ebcdic_ii[] =
 		  { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
-		unsigned short int ebcdic_mm[] =
+		short int ebcdic_mm[] =
 		  { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
 		int use_ebcdic (int i) {
 		  return ebcdic_mm[i] + ebcdic_ii[i];
@@ -11145,15 +10209,14 @@ unsigned short int ascii_mm[] =
 		extern int foo;
 
 int
-main (void)
+main ()
 {
 return use_ascii (foo) == use_ebcdic (foo);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
 	      ac_cv_c_bigendian=yes
 	    fi
@@ -11166,13 +10229,13 @@ then :
 	      fi
 	    fi
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-else $as_nop
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
-main (void)
+main ()
 {
 
 	     /* Are we little or big endian?  From Harbison&Steele.  */
@@ -11188,10 +10251,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_run "$LINENO"
-then :
+if ac_fn_cxx_try_run "$LINENO"; then :
   ac_cv_c_bigendian=no
-else $as_nop
+else
   ac_cv_c_bigendian=yes
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -11200,8 +10262,8 @@ fi
 
     fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
-printf "%s\n" "$ac_cv_c_bigendian" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
+$as_echo "$ac_cv_c_bigendian" >&6; }
  case $ac_cv_c_bigendian in #(
    yes)
      endian=CLICK_BIG_ENDIAN;; #(
@@ -11215,40 +10277,40 @@ printf "%s\n" "$ac_cv_c_bigendian" >&6; }
  esac
 
 
-printf "%s\n" "#define CLICK_BYTE_ORDER $endian" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define CLICK_BYTE_ORDER $endian
+_ACEOF
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether signed right shift is arithmetic" >&5
-printf %s "checking whether signed right shift is arithmetic... " >&6; }
-if test ${ac_cv_arithmetic_right_shift+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether signed right shift is arithmetic" >&5
+$as_echo_n "checking whether signed right shift is arithmetic... " >&6; }
+if ${ac_cv_arithmetic_right_shift+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 int f(int x[((int) -1) >> 15]) { return x[0]; }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_arithmetic_right_shift=no
-else $as_nop
+else
   ac_cv_arithmetic_right_shift=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_arithmetic_right_shift" >&5
-printf "%s\n" "$ac_cv_arithmetic_right_shift" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_arithmetic_right_shift" >&5
+$as_echo "$ac_cv_arithmetic_right_shift" >&6; }
     if test $ac_cv_arithmetic_right_shift = yes; then
 
-printf "%s\n" "#define HAVE_ARITHMETIC_RIGHT_SHIFT 1" >>confdefs.h
+$as_echo "#define HAVE_ARITHMETIC_RIGHT_SHIFT 1" >>confdefs.h
 
     fi
 
@@ -11258,12 +10320,11 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for addressable va_list type" >&5
-printf %s "checking for addressable va_list type... " >&6; }
-if test ${ac_cv_va_list_addr+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for addressable va_list type" >&5
+$as_echo_n "checking for addressable va_list type... " >&6; }
+if ${ac_cv_va_list_addr+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
@@ -11279,439 +10340,409 @@ void h(int a, ...) {
     va_end(val);
 }
 int
-main (void)
+main ()
 {
 h(2, 3, 4);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_va_list_addr=yes
-else $as_nop
+else
   ac_cv_va_list_addr=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_va_list_addr" >&5
-printf "%s\n" "$ac_cv_va_list_addr" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_va_list_addr" >&5
+$as_echo "$ac_cv_va_list_addr" >&6; }
     if test "x$ac_cv_va_list_addr" = xyes; then
 
-printf "%s\n" "#define HAVE_ADDRESSABLE_VA_LIST 1" >>confdefs.h
+$as_echo "#define HAVE_ADDRESSABLE_VA_LIST 1" >>confdefs.h
 
     fi
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_ctz" >&5
-printf %s "checking for __builtin_ctz... " >&6; }
-if test ${ac_cv_have___builtin_ctz+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_ctz" >&5
+$as_echo_n "checking for __builtin_ctz... " >&6; }
+if ${ac_cv_have___builtin_ctz+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile int x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_ctz(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_ctz=yes
-else $as_nop
+else
   ac_cv_have___builtin_ctz=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ctz" >&5
-printf "%s\n" "$ac_cv_have___builtin_ctz" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ctz" >&5
+$as_echo "$ac_cv_have___builtin_ctz" >&6; }
     if test $ac_cv_have___builtin_ctz = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_CTZ 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_CTZ 1" >>confdefs.h
 
     fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_clz" >&5
-printf %s "checking for __builtin_clz... " >&6; }
-if test ${ac_cv_have___builtin_clz+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_clz" >&5
+$as_echo_n "checking for __builtin_clz... " >&6; }
+if ${ac_cv_have___builtin_clz+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile int x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_clz(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_clz=yes
-else $as_nop
+else
   ac_cv_have___builtin_clz=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_clz" >&5
-printf "%s\n" "$ac_cv_have___builtin_clz" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_clz" >&5
+$as_echo "$ac_cv_have___builtin_clz" >&6; }
     if test $ac_cv_have___builtin_clz = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_CLZ 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_CLZ 1" >>confdefs.h
 
     fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_clzl" >&5
-printf %s "checking for __builtin_clzl... " >&6; }
-if test ${ac_cv_have___builtin_clzl+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_clzl" >&5
+$as_echo_n "checking for __builtin_clzl... " >&6; }
+if ${ac_cv_have___builtin_clzl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile long x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_clzl(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_clzl=yes
-else $as_nop
+else
   ac_cv_have___builtin_clzl=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_clzl" >&5
-printf "%s\n" "$ac_cv_have___builtin_clzl" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_clzl" >&5
+$as_echo "$ac_cv_have___builtin_clzl" >&6; }
     if test $ac_cv_have___builtin_clzl = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_CLZL 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_CLZL 1" >>confdefs.h
 
     fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_clzll" >&5
-printf %s "checking for __builtin_clzll... " >&6; }
-if test ${ac_cv_have___builtin_clzll+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_clzll" >&5
+$as_echo_n "checking for __builtin_clzll... " >&6; }
+if ${ac_cv_have___builtin_clzll+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile long long x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_clzll(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_clzll=yes
-else $as_nop
+else
   ac_cv_have___builtin_clzll=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_clzll" >&5
-printf "%s\n" "$ac_cv_have___builtin_clzll" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_clzll" >&5
+$as_echo "$ac_cv_have___builtin_clzll" >&6; }
     if test $ac_cv_have___builtin_clzll = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_CLZLL 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_CLZLL 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_ffs" >&5
-printf %s "checking for __builtin_ffs... " >&6; }
-if test ${ac_cv_have___builtin_ffs+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_ffs" >&5
+$as_echo_n "checking for __builtin_ffs... " >&6; }
+if ${ac_cv_have___builtin_ffs+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile int x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_ffs(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_ffs=yes
-else $as_nop
+else
   ac_cv_have___builtin_ffs=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ffs" >&5
-printf "%s\n" "$ac_cv_have___builtin_ffs" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ffs" >&5
+$as_echo "$ac_cv_have___builtin_ffs" >&6; }
     if test $ac_cv_have___builtin_ffs = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_FFS 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_FFS 1" >>confdefs.h
 
     fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_ffsl" >&5
-printf %s "checking for __builtin_ffsl... " >&6; }
-if test ${ac_cv_have___builtin_ffsl+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_ffsl" >&5
+$as_echo_n "checking for __builtin_ffsl... " >&6; }
+if ${ac_cv_have___builtin_ffsl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile long x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_ffsl(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_ffsl=yes
-else $as_nop
+else
   ac_cv_have___builtin_ffsl=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ffsl" >&5
-printf "%s\n" "$ac_cv_have___builtin_ffsl" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ffsl" >&5
+$as_echo "$ac_cv_have___builtin_ffsl" >&6; }
     if test $ac_cv_have___builtin_ffsl = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_FFSL 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_FFSL 1" >>confdefs.h
 
     fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_ffsll" >&5
-printf %s "checking for __builtin_ffsll... " >&6; }
-if test ${ac_cv_have___builtin_ffsll+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_ffsll" >&5
+$as_echo_n "checking for __builtin_ffsll... " >&6; }
+if ${ac_cv_have___builtin_ffsll+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile long long x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_ffsll(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_ffsll=yes
-else $as_nop
+else
   ac_cv_have___builtin_ffsll=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ffsll" >&5
-printf "%s\n" "$ac_cv_have___builtin_ffsll" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_ffsll" >&5
+$as_echo "$ac_cv_have___builtin_ffsll" >&6; }
     if test $ac_cv_have___builtin_ffsll = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_FFSLL 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_FFSLL 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_popcount" >&5
-printf %s "checking for __builtin_popcount... " >&6; }
-if test ${ac_cv_have___builtin_popcount+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_popcount" >&5
+$as_echo_n "checking for __builtin_popcount... " >&6; }
+if ${ac_cv_have___builtin_popcount+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 volatile int x = 11;
 int
-main (void)
+main ()
 {
 int y = __builtin_popcount(x);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___builtin_popcount=yes
-else $as_nop
+else
   ac_cv_have___builtin_popcount=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_popcount" >&5
-printf "%s\n" "$ac_cv_have___builtin_popcount" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___builtin_popcount" >&5
+$as_echo "$ac_cv_have___builtin_popcount" >&6; }
     if test $ac_cv_have___builtin_popcount = yes; then
 
-printf "%s\n" "#define HAVE___BUILTIN_POPCOUNT 1" >>confdefs.h
+$as_echo "#define HAVE___BUILTIN_POPCOUNT 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __sync_synchronize" >&5
-printf %s "checking for __sync_synchronize... " >&6; }
-if test ${ac_cv_have___sync_synchronize+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __sync_synchronize" >&5
+$as_echo_n "checking for __sync_synchronize... " >&6; }
+if ${ac_cv_have___sync_synchronize+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 long x = 11;
 int
-main (void)
+main ()
 {
 long *y = &x; __sync_synchronize();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___sync_synchronize=yes
-else $as_nop
+else
   ac_cv_have___sync_synchronize=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___sync_synchronize" >&5
-printf "%s\n" "$ac_cv_have___sync_synchronize" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___sync_synchronize" >&5
+$as_echo "$ac_cv_have___sync_synchronize" >&6; }
     if test $ac_cv_have___sync_synchronize = yes; then
 
-printf "%s\n" "#define HAVE___SYNC_SYNCHRONIZE 1" >>confdefs.h
+$as_echo "#define HAVE___SYNC_SYNCHRONIZE 1" >>confdefs.h
 
     fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether __sync_synchronize supports arguments" >&5
-printf %s "checking whether __sync_synchronize supports arguments... " >&6; }
-if test ${ac_cv_have___sync_synchronize_args+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __sync_synchronize supports arguments" >&5
+$as_echo_n "checking whether __sync_synchronize supports arguments... " >&6; }
+if ${ac_cv_have___sync_synchronize_args+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 long x = 11;
 int
-main (void)
+main ()
 {
 long *y = &x; __sync_synchronize(*y);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___sync_synchronize_args=yes
-else $as_nop
+else
   ac_cv_have___sync_synchronize_args=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___sync_synchronize_args" >&5
-printf "%s\n" "$ac_cv_have___sync_synchronize_args" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___sync_synchronize_args" >&5
+$as_echo "$ac_cv_have___sync_synchronize_args" >&6; }
     if test $ac_cv_have___sync_synchronize_args = yes; then
 
-printf "%s\n" "#define HAVE___SYNC_SYNCHRONIZE_ARGUMENTS 1" >>confdefs.h
+$as_echo "#define HAVE___SYNC_SYNCHRONIZE_ARGUMENTS 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __has_trivial_copy" >&5
-printf %s "checking for __has_trivial_copy... " >&6; }
-if test ${ac_cv_have___has_trivial_copy+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __has_trivial_copy" >&5
+$as_echo_n "checking for __has_trivial_copy... " >&6; }
+if ${ac_cv_have___has_trivial_copy+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 long x = 1; if (__has_trivial_copy(long)) x = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___has_trivial_copy=yes
-else $as_nop
+else
   ac_cv_have___has_trivial_copy=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___has_trivial_copy" >&5
-printf "%s\n" "$ac_cv_have___has_trivial_copy" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___has_trivial_copy" >&5
+$as_echo "$ac_cv_have___has_trivial_copy" >&6; }
     if test $ac_cv_have___has_trivial_copy = yes; then
 
-printf "%s\n" "#define HAVE___HAS_TRIVIAL_COPY 1" >>confdefs.h
+$as_echo "#define HAVE___HAS_TRIVIAL_COPY 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __thread storage class support" >&5
-printf %s "checking for __thread storage class support... " >&6; }
-if test ${ac_cv_have___thread+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread storage class support" >&5
+$as_echo_n "checking for __thread storage class support... " >&6; }
+if ${ac_cv_have___thread+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __thread long x;
 int
-main (void)
+main ()
 {
 x == 1;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_have___thread=yes
-else $as_nop
+else
   ac_cv_have___thread=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___thread" >&5
-printf "%s\n" "$ac_cv_have___thread" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___thread" >&5
+$as_echo "$ac_cv_have___thread" >&6; }
     if test $ac_cv_have___thread = yes; then
 
-printf "%s\n" "#define HAVE___THREAD_STORAGE_CLASS 1" >>confdefs.h
+$as_echo "#define HAVE___THREAD_STORAGE_CLASS 1" >>confdefs.h
 
     fi
 
 
-    ac_fn_cxx_check_func "$LINENO" "ffs" "ac_cv_func_ffs"
-if test "x$ac_cv_func_ffs" = xyes
-then :
-  printf "%s\n" "#define HAVE_FFS 1" >>confdefs.h
-
-fi
-ac_fn_cxx_check_func "$LINENO" "ffsl" "ac_cv_func_ffsl"
-if test "x$ac_cv_func_ffsl" = xyes
-then :
-  printf "%s\n" "#define HAVE_FFSL 1" >>confdefs.h
-
-fi
-ac_fn_cxx_check_func "$LINENO" "ffsll" "ac_cv_func_ffsll"
-if test "x$ac_cv_func_ffsll" = xyes
-then :
-  printf "%s\n" "#define HAVE_FFSLL 1" >>confdefs.h
+    for ac_func in ffs ffsl ffsll
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
 
 fi
+done
 
 
 
@@ -11723,12 +10754,11 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   ac_success=no
 
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features by default" >&5
-printf %s "checking whether $CXX supports C++17 features by default... " >&6; }
-if test ${ax_cv_cxx_compile_cxx17+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features by default" >&5
+$as_echo_n "checking whether $CXX supports C++17 features by default... " >&6; }
+if ${ax_cv_cxx_compile_cxx17+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -12522,16 +11552,15 @@ namespace cxx17
 
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ax_cv_cxx_compile_cxx17=yes
-else $as_nop
+else
   ax_cv_cxx_compile_cxx17=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compile_cxx17" >&5
-printf "%s\n" "$ax_cv_cxx_compile_cxx17" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compile_cxx17" >&5
+$as_echo "$ax_cv_cxx_compile_cxx17" >&6; }
     if test x$ax_cv_cxx_compile_cxx17 = xyes; then
       ac_success=yes
     fi
@@ -12539,13 +11568,12 @@ printf "%s\n" "$ax_cv_cxx_compile_cxx17" >&6; }
     if test x$ac_success = xno; then
     for alternative in ${ax_cxx_compile_alternatives}; do
       switch="-std=gnu++${alternative}"
-      cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx17_$switch" | $as_tr_sh`
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features with $switch" >&5
-printf %s "checking whether $CXX supports C++17 features with $switch... " >&6; }
-if eval test \${$cachevar+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+      cachevar=`$as_echo "ax_cv_cxx_compile_cxx17_$switch" | $as_tr_sh`
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features with $switch" >&5
+$as_echo_n "checking whether $CXX supports C++17 features with $switch... " >&6; }
+if eval \${$cachevar+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_save_CXX="$CXX"
          CXX="$CXX $switch"
          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13341,18 +12369,17 @@ namespace cxx17
 
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   eval $cachevar=yes
-else $as_nop
+else
   eval $cachevar=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
          CXX="$ac_save_CXX"
 fi
 eval ac_res=\$$cachevar
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
       if eval test x\$$cachevar = xyes; then
         CXX="$CXX $switch"
         if test -n "$CXXCPP" ; then
@@ -13367,13 +12394,12 @@ printf "%s\n" "$ac_res" >&6; }
     if test x$ac_success = xno; then
                 for alternative in ${ax_cxx_compile_alternatives}; do
       for switch in -std=c++${alternative} +std=c++${alternative} "-h std=c++${alternative}"; do
-        cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx17_$switch" | $as_tr_sh`
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features with $switch" >&5
-printf %s "checking whether $CXX supports C++17 features with $switch... " >&6; }
-if eval test \${$cachevar+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        cachevar=`$as_echo "ax_cv_cxx_compile_cxx17_$switch" | $as_tr_sh`
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++17 features with $switch" >&5
+$as_echo_n "checking whether $CXX supports C++17 features with $switch... " >&6; }
+if eval \${$cachevar+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_save_CXX="$CXX"
            CXX="$CXX $switch"
            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -14169,18 +13195,17 @@ namespace cxx17
 
 
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   eval $cachevar=yes
-else $as_nop
+else
   eval $cachevar=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
            CXX="$ac_save_CXX"
 fi
 eval ac_res=\$$cachevar
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
         if eval test x\$$cachevar = xyes; then
           CXX="$CXX $switch"
           if test -n "$CXXCPP" ; then
@@ -14208,12 +13233,12 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   fi
   if test x$ac_success = xno; then
     HAVE_CXX17=0
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: No compiler with C++17 support was found" >&5
-printf "%s\n" "$as_me: No compiler with C++17 support was found" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: No compiler with C++17 support was found" >&5
+$as_echo "$as_me: No compiler with C++17 support was found" >&6;}
   else
     HAVE_CXX17=1
 
-printf "%s\n" "#define HAVE_CXX17 1" >>confdefs.h
+$as_echo "#define HAVE_CXX17 1" >>confdefs.h
 
   fi
 
@@ -14223,23 +13248,22 @@ printf "%s\n" "#define HAVE_CXX17 1" >>confdefs.h
 
 
 
+
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of struct timeval" >&5
-printf %s "checking size of struct timeval... " >&6; }
-if test ${ac_cv_sizeof_struct_timeval+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (struct timeval))" "ac_cv_sizeof_struct_timeval"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct timeval" >&5
+$as_echo_n "checking size of struct timeval... " >&6; }
+if ${ac_cv_sizeof_struct_timeval+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (struct timeval))" "ac_cv_sizeof_struct_timeval"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_struct_timeval" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (struct timeval)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -14248,12 +13272,14 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_timeval" >&5
-printf "%s\n" "$ac_cv_sizeof_struct_timeval" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_timeval" >&5
+$as_echo "$ac_cv_sizeof_struct_timeval" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_STRUCT_TIMEVAL $ac_cv_sizeof_struct_timeval" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_TIMEVAL $ac_cv_sizeof_struct_timeval
+_ACEOF
 
 
 ac_fn_cxx_check_type "$LINENO" "struct timespec" "ac_cv_type_struct_timespec" "$ac_includes_default
@@ -14261,13 +13287,14 @@ ac_fn_cxx_check_type "$LINENO" "struct timespec" "ac_cv_type_struct_timespec" "$
 # include <time.h>
 #endif
 "
-if test "x$ac_cv_type_struct_timespec" = xyes
-then :
+if test "x$ac_cv_type_struct_timespec" = xyes; then :
 
-printf "%s\n" "#define HAVE_STRUCT_TIMESPEC 1" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_TIMESPEC 1
+_ACEOF
 
 have_timespec=yes
-else $as_nop
+else
   have_timespec=no
 fi
 
@@ -14276,19 +13303,17 @@ if test "x$have_timespec" = xyes; then
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of struct timespec" >&5
-printf %s "checking size of struct timespec... " >&6; }
-if test ${ac_cv_sizeof_struct_timespec+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (struct timespec))" "ac_cv_sizeof_struct_timespec"        "$ac_includes_default"
-then :
-
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct timespec" >&5
+$as_echo_n "checking size of struct timespec... " >&6; }
+if ${ac_cv_sizeof_struct_timespec+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (struct timespec))" "ac_cv_sizeof_struct_timespec"        "$ac_includes_default"; then :
+
+else
   if test "$ac_cv_type_struct_timespec" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (struct timespec)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -14297,167 +13322,89 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_timespec" >&5
-printf "%s\n" "$ac_cv_sizeof_struct_timespec" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_timespec" >&5
+$as_echo "$ac_cv_sizeof_struct_timespec" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_STRUCT_TIMESPEC $ac_cv_sizeof_struct_timespec" >>confdefs.h
-
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX options needed to detect all undeclared functions" >&5
-printf %s "checking for $CXX options needed to detect all undeclared functions... " >&6; }
-if test ${ac_cv_cxx_undeclared_builtin_options+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_save_CFLAGS=$CFLAGS
-   ac_cv_cxx_undeclared_builtin_options='cannot detect'
-   for ac_arg in '' -fno-builtin; do
-     CFLAGS="$ac_save_CFLAGS $ac_arg"
-     # This test program should *not* compile successfully.
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main (void)
-{
-(void) strchr;
-  ;
-  return 0;
-}
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_TIMESPEC $ac_cv_sizeof_struct_timespec
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
-
-else $as_nop
-  # This test program should compile successfully.
-        # No library function is consistently available on
-        # freestanding implementations, so test against a dummy
-        # declaration.  Include always-available headers on the
-        # off chance that they somehow elicit warnings.
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <float.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stddef.h>
-extern void ac_decl (int, char *);
 
-int
-main (void)
-{
-(void) ac_decl (0, (char *) 0);
-  (void) ac_decl;
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
-  if test x"$ac_arg" = x
-then :
-  ac_cv_cxx_undeclared_builtin_options='none needed'
-else $as_nop
-  ac_cv_cxx_undeclared_builtin_options=$ac_arg
-fi
-          break
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-    done
-    CFLAGS=$ac_save_CFLAGS
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_undeclared_builtin_options" >&5
-printf "%s\n" "$ac_cv_cxx_undeclared_builtin_options" >&6; }
-  case $ac_cv_cxx_undeclared_builtin_options in #(
-  'cannot detect') :
-    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot make $CXX report undeclared builtins
-See \`config.log' for more details" "$LINENO" 5; } ;; #(
-  'none needed') :
-    ac_cxx_undeclared_builtin_options='' ;; #(
-  *) :
-    ac_cxx_undeclared_builtin_options=$ac_cv_cxx_undeclared_builtin_options ;;
-esac
-
 
     have_clock_gettime=yes; POSIX_CLOCK_LIBS=
-    ac_fn_check_decl "$LINENO" "clock_gettime" "ac_cv_have_decl_clock_gettime" "#ifdef HAVE_TIME_H
+    ac_fn_cxx_check_decl "$LINENO" "clock_gettime" "ac_cv_have_decl_clock_gettime" "#ifdef HAVE_TIME_H
 # include <time.h>
 #endif
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_clock_gettime" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_clock_gettime" = xyes; then :
   ac_have_decl=1
-else $as_nop
+else
   ac_have_decl=0
 fi
-printf "%s\n" "#define HAVE_DECL_CLOCK_GETTIME $ac_have_decl" >>confdefs.h
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_CLOCK_GETTIME $ac_have_decl
+_ACEOF
 
     SAVELIBS="$LIBS"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
-printf %s "checking for library containing clock_gettime... " >&6; }
-if test ${ac_cv_search_clock_gettime+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
+$as_echo_n "checking for library containing clock_gettime... " >&6; }
+if ${ac_cv_search_clock_gettime+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int clock_gettime ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char clock_gettime ();
 int
-main (void)
+main ()
 {
-return conftest::clock_gettime ();
+return clock_gettime ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' rt
-do
+for ac_lib in '' rt; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_clock_gettime=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_clock_gettime+y}
-then :
+  if ${ac_cv_search_clock_gettime+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_clock_gettime+y}
-then :
+if ${ac_cv_search_clock_gettime+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_clock_gettime=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
-printf "%s\n" "$ac_cv_search_clock_gettime" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
+$as_echo "$ac_cv_search_clock_gettime" >&6; }
 ac_res=$ac_cv_search_clock_gettime
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   :
-else $as_nop
+else
   have_clock_gettime=no
 fi
 
@@ -14466,24 +13413,22 @@ fi
     fi
 
     ac_fn_cxx_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime"
-if test "x$ac_cv_func_clock_gettime" = xyes
-then :
+if test "x$ac_cv_func_clock_gettime" = xyes; then :
   :
-else $as_nop
+else
   have_clock_gettime=no
 fi
 
     LIBS="$SAVELIBS"
     if test "x$have_clock_gettime" = xyes; then
 
-printf "%s\n" "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
+$as_echo "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
 
     fi
 
 
 # Check whether --enable-nanotimestamp was given.
-if test ${enable_nanotimestamp+y}
-then :
+if test "${enable_nanotimestamp+set}" = set; then :
   enableval=$enable_nanotimestamp;
 fi
 
@@ -14493,25 +13438,23 @@ if test "x$enable_nanotimestamp" = x -a "x$have_clock_gettime" = xyes; then
 fi
 if test "x$enable_nanotimestamp" = xyes; then
 
-printf "%s\n" "#define HAVE_NANOTIMESTAMP_ENABLED 1" >>confdefs.h
+$as_echo "#define HAVE_NANOTIMESTAMP_ENABLED 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-simtime was given.
-if test ${enable_simtime+y}
-then :
-  enableval=$enable_simtime; printf "%s\n" "#define HAVE_SIMTIME 1" >>confdefs.h
+if test "${enable_simtime+set}" = set; then :
+  enableval=$enable_simtime; $as_echo "#define HAVE_SIMTIME 1" >>confdefs.h
 
-else $as_nop
+else
   enable_simtime=no
 fi
 
 
 # Check whether --enable-user_timestamp was given.
-if test ${enable_user_timestamp+y}
-then :
+if test "${enable_user_timestamp+set}" = set; then :
   enableval=$enable_user_timestamp; :
-else $as_nop
+else
   enable_user_timestamp=no
 fi
 
@@ -14526,23 +13469,22 @@ User-based timestamp needs 64bits types !
 =========================================" "$LINENO" 5
 fi
 
-printf "%s\n" "#define HAVE_USER_TIMING 1" >>confdefs.h
+$as_echo "#define HAVE_USER_TIMING 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-bound-port-transfer was given.
-if test ${enable_bound_port_transfer+y}
-then :
+if test "${enable_bound_port_transfer+set}" = set; then :
   enableval=$enable_bound_port_transfer; :
-else $as_nop
+else
   enable_bound_port_transfer=no
 fi
 
 
 if test "$enable_bound_port_transfer" = yes; then
 
-printf "%s\n" "#define HAVE_BOUND_PORT_TRANSFER 1" >>confdefs.h
+$as_echo "#define HAVE_BOUND_PORT_TRANSFER 1" >>confdefs.h
 
   if test -z "${CXX##*clang*}" ; then
       as_fn_error $? "--enable-bound-port-transfer does not work with Clang! A better solution is to use click-devirtualize in any case. Remove this option or use GCC (you probably have your CXX environment variable set to clang++)." "$LINENO" 5
@@ -14550,12 +13492,11 @@ printf "%s\n" "#define HAVE_BOUND_PORT_TRANSFER 1" >>confdefs.h
   CXXFLAGS="$CXXFLAGS -Wno-pmf-conversions"
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -faligned-new" >&5
-printf %s "checking whether C++ compiler accepts -faligned-new... " >&6; }
-if test ${ax_cv_check_cxxflags___faligned_new+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -faligned-new" >&5
+$as_echo_n "checking whether C++ compiler accepts -faligned-new... " >&6; }
+if ${ax_cv_check_cxxflags___faligned_new+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
   ax_check_save_flags=$CXXFLAGS
   CXXFLAGS="$CXXFLAGS  -faligned-new"
@@ -14563,28 +13504,26 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ax_cv_check_cxxflags___faligned_new=yes
-else $as_nop
+else
   ax_cv_check_cxxflags___faligned_new=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CXXFLAGS=$ax_check_save_flags
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags___faligned_new" >&5
-printf "%s\n" "$ax_cv_check_cxxflags___faligned_new" >&6; }
-if test "x$ax_cv_check_cxxflags___faligned_new" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags___faligned_new" >&5
+$as_echo "$ax_cv_check_cxxflags___faligned_new" >&6; }
+if test "x$ax_cv_check_cxxflags___faligned_new" = xyes; then :
   have_aligned_new=yes
-else $as_nop
+else
   have_aligned_new=no
 fi
 
@@ -14597,7 +13536,7 @@ if test "x$enable_flow" = xyes; then
     if test "x$enable_batch" != xyes; then
         as_fn_error $? "--enable-flow needs --enable-batch! Flow subsystem will be disabled." "$LINENO" 5
     else
-        printf "%s\n" "#define HAVE_FLOW 1" >>confdefs.h
+        $as_echo "#define HAVE_FLOW 1" >>confdefs.h
 
     fi
     USE_FLOW=yes
@@ -14605,7 +13544,7 @@ if test "x$enable_flow" = xyes; then
 fi
 
 if test "x$enable_ctx" = xyes; then
-    printf "%s\n" "#define HAVE_CTX 1" >>confdefs.h
+    $as_echo "#define HAVE_CTX 1" >>confdefs.h
 
     USE_CTX=yes
 
@@ -14616,95 +13555,89 @@ fi
 
 
 # Check whether --enable-ctx-global-timeout was given.
-if test ${enable_ctx_global_timeout+y}
-then :
+if test "${enable_ctx_global_timeout+set}" = set; then :
   enableval=$enable_ctx_global_timeout; :
-else $as_nop
+else
   enable_ctx_global_timeout=$enable_ctx
 fi
 
 if test "x$enable_ctx_global_timeout" = xyes; then
-    printf "%s\n" "#define HAVE_CTX_GLOBAL_TIMEOUT 1" >>confdefs.h
+    $as_echo "#define HAVE_CTX_GLOBAL_TIMEOUT 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-flow-atomic was given.
-if test ${enable_flow_atomic+y}
-then :
+if test "${enable_flow_atomic+set}" = set; then :
   enableval=$enable_flow_atomic; :
-else $as_nop
+else
   enable_flow_atomic=yes
 fi
 
 if test "x$enable_flow_atomic" = xyes; then
-    printf "%s\n" "#define FLOW_ATOMIC_USE_COUNT 1" >>confdefs.h
+    $as_echo "#define FLOW_ATOMIC_USE_COUNT 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-flow-dynamic was given.
-if test ${enable_flow_dynamic+y}
-then :
+if test "${enable_flow_dynamic+set}" = set; then :
   enableval=$enable_flow_dynamic; :
-else $as_nop
+else
   enable_flow_dynamic=no
 fi
 
 if test "x$enable_flow$enable_flow_dynamic" = xyesyes; then
-    printf "%s\n" "#define HAVE_FLOW_DYNAMIC 1" >>confdefs.h
+    $as_echo "#define HAVE_FLOW_DYNAMIC 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-flow-structure was given.
-if test ${enable_flow_structure+y}
-then :
+if test "${enable_flow_structure+set}" = set; then :
   enableval=$enable_flow_structure; :
-else $as_nop
+else
   enable_flow_structure=yes
 fi
 
 if test "x$enable_flow_structure" = xyes; then
-    printf "%s\n" "#define FLOW_KEEP_STRUCTURE 1" >>confdefs.h
+    $as_echo "#define FLOW_KEEP_STRUCTURE 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-flow-hash was given.
-if test ${enable_flow_hash+y}
-then :
+if test "${enable_flow_hash+set}" = set; then :
   enableval=$enable_flow_hash; :
-else $as_nop
+else
   enable_flow_hash=""
 fi
 
 
 if echo "$enable_flow_hash" | grep epoch >/dev/null 2>&1; then
 
-printf "%s\n" "#define FLOW_HASH_RELEASE 2" >>confdefs.h
+$as_echo "#define FLOW_HASH_RELEASE 2" >>confdefs.h
 
 elif echo "$enable_flow_hash" | grep keep >/dev/null 2>&1; then
 
-printf "%s\n" "#define FLOW_HASH_RELEASE 1" >>confdefs.h
+$as_echo "#define FLOW_HASH_RELEASE 1" >>confdefs.h
 
 elif echo "$enable_flow_hash" | grep reset >/dev/null 2>&1; then
 
-printf "%s\n" "#define FLOW_HASH_RELEASE 0" >>confdefs.h
+$as_echo "#define FLOW_HASH_RELEASE 0" >>confdefs.h
 
 else
     if test "x$enable_flow_structure" = xyes; then
 
-printf "%s\n" "#define FLOW_HASH_RELEASE 1" >>confdefs.h
+$as_echo "#define FLOW_HASH_RELEASE 1" >>confdefs.h
 
     else
 
-printf "%s\n" "#define FLOW_HASH_RELEASE 2" >>confdefs.h
+$as_echo "#define FLOW_HASH_RELEASE 2" >>confdefs.h
 
     fi
 fi
 
 # Check whether --enable-tools was given.
-if test ${enable_tools+y}
-then :
+if test "${enable_tools+set}" = set; then :
   enableval=$enable_tools; :
-else $as_nop
+else
   enable_tools=mixed
 fi
 
@@ -14725,12 +13658,11 @@ else
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_BUILD_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_BUILD_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$BUILD_CC"; then
   ac_cv_prog_BUILD_CC="$BUILD_CC" # Let the user override the test.
 else
@@ -14738,15 +13670,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_BUILD_CC="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -14757,11 +13685,11 @@ fi
 fi
 BUILD_CC=$ac_cv_prog_BUILD_CC
 if test -n "$BUILD_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BUILD_CC" >&5
-printf "%s\n" "$BUILD_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_CC" >&5
+$as_echo "$BUILD_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -14772,12 +13700,11 @@ done
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_BUILD_CXX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_BUILD_CXX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$BUILD_CXX"; then
   ac_cv_prog_BUILD_CXX="$BUILD_CXX" # Let the user override the test.
 else
@@ -14785,15 +13712,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_BUILD_CXX="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -14804,11 +13727,11 @@ fi
 fi
 BUILD_CXX=$ac_cv_prog_BUILD_CXX
 if test -n "$BUILD_CXX"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BUILD_CXX" >&5
-printf "%s\n" "$BUILD_CXX" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_CXX" >&5
+$as_echo "$BUILD_CXX" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -14824,12 +13747,11 @@ done
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_BUILD_AR+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_BUILD_AR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$BUILD_AR"; then
   ac_cv_prog_BUILD_AR="$BUILD_AR" # Let the user override the test.
 else
@@ -14837,15 +13759,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_BUILD_AR="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -14856,11 +13774,11 @@ fi
 fi
 BUILD_AR=$ac_cv_prog_BUILD_AR
 if test -n "$BUILD_AR"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BUILD_AR" >&5
-printf "%s\n" "$BUILD_AR" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_AR" >&5
+$as_echo "$BUILD_AR" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -14871,12 +13789,11 @@ done
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_BUILD_RANLIB+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_BUILD_RANLIB+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$BUILD_RANLIB"; then
   ac_cv_prog_BUILD_RANLIB="$BUILD_RANLIB" # Let the user override the test.
 else
@@ -14884,15 +13801,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_BUILD_RANLIB="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -14903,11 +13816,11 @@ fi
 fi
 BUILD_RANLIB=$ac_cv_prog_BUILD_RANLIB
 if test -n "$BUILD_RANLIB"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BUILD_RANLIB" >&5
-printf "%s\n" "$BUILD_RANLIB" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_RANLIB" >&5
+$as_echo "$BUILD_RANLIB" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -14922,61 +13835,61 @@ fi
 
 
 # Check whether --enable-dynamic-linking was given.
-if test ${enable_dynamic_linking+y}
-then :
+if test "${enable_dynamic_linking+set}" = set; then :
   enableval=$enable_dynamic_linking; :
-else $as_nop
+else
   enable_dynamic_linking=yes
 fi
 
 if test "x$enable_dynamic_linking" = xyes; then
 
 
+
     DL_LIBS=
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-printf %s "checking for dlopen in -ldl... " >&6; }
-if test ${ac_cv_lib_dl_dlopen+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if ${ac_cv_lib_dl_dlopen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int dlopen ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
 int
-main (void)
+main ()
 {
-return conftest::dlopen ();
+return dlopen ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_dl_dlopen=yes
-else $as_nop
+else
   ac_cv_lib_dl_dlopen=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
   ac_have_dlopen=yes; DL_LIBS="-ldl"
-else $as_nop
+else
   ac_fn_cxx_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = xyes
-then :
+if test "x$ac_cv_func_dlopen" = xyes; then :
   ac_have_dlopen=yes
-else $as_nop
+else
   ac_have_dlopen=no
 fi
 
@@ -14984,7 +13897,7 @@ fi
 
     if test "x$ac_have_dlopen" = xyes -a "x$ac_cv_header_dlfcn_h" = xyes; then
 
-printf "%s\n" "#define HAVE_DYNAMIC_LINKING 1" >>confdefs.h
+$as_echo "#define HAVE_DYNAMIC_LINKING 1" >>confdefs.h
 
         ac_have_dynamic_linking=yes
     fi
@@ -14992,34 +13905,33 @@ printf "%s\n" "#define HAVE_DYNAMIC_LINKING 1" >>confdefs.h
 
     DL_LDFLAGS=
     save_ldflags="$LDFLAGS"; LDFLAGS="$LDFLAGS -rdynamic"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether linker accepts the -rdynamic flag" >&5
-printf %s "checking whether linker accepts the -rdynamic flag... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether linker accepts the -rdynamic flag" >&5
+$as_echo_n "checking whether linker accepts the -rdynamic flag... " >&6; }
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 return 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_rdynamic=yes; DL_LDFLAGS=-rdynamic
-else $as_nop
+else
   ac_cv_rdynamic=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_rdynamic" >&5
-printf "%s\n" "$ac_cv_rdynamic" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_rdynamic" >&5
+$as_echo "$ac_cv_rdynamic" >&6; }
     LDFLAGS="$save_ldflags"
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking compiler flags for building loadable modules" >&5
-printf %s "checking compiler flags for building loadable modules... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking compiler flags for building loadable modules" >&5
+$as_echo_n "checking compiler flags for building loadable modules... " >&6; }
     LDMODULEFLAGS=-shared
     SOSUFFIX=so
     if test "x$ac_have_dynamic_linking" = xyes; then
@@ -15028,8 +13940,8 @@ printf %s "checking compiler flags for building loadable modules... " >&6; }
             SOSUFFIX=dylib
         fi
     fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LDMODULEFLAGS" >&5
-printf "%s\n" "$LDMODULEFLAGS" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LDMODULEFLAGS" >&5
+$as_echo "$LDMODULEFLAGS" >&6; }
 
 
 
@@ -15039,61 +13951,63 @@ printf "%s\n" "$LDMODULEFLAGS" >&6; }
     CXX="$BUILD_CXX"; CXXCPP="$BUILD_CXX -E"
     unset ac_cv_header_dlfcn_h ac_cv_func_dlopen ac_cv_lib_dl_dlopen
     BUILD_DL_LIBS=
-           for ac_header in dlfcn.h
+    for ac_header in dlfcn.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default"
-if test "x$ac_cv_header_dlfcn_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_DLFCN_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default"
+if test "x$ac_cv_header_dlfcn_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DLFCN_H 1
+_ACEOF
  ac_build_have_dlfcn_h=yes
-else $as_nop
+else
   ac_build_have_dlfcn_h=no
 fi
 
 done
+
     ac_fn_cxx_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = xyes
-then :
+if test "x$ac_cv_func_dlopen" = xyes; then :
   ac_build_have_dlopen=yes
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-printf %s "checking for dlopen in -ldl... " >&6; }
-if test ${ac_cv_lib_dl_dlopen+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if ${ac_cv_lib_dl_dlopen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int dlopen ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
 int
-main (void)
+main ()
 {
-return conftest::dlopen ();
+return dlopen ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_dl_dlopen=yes
-else $as_nop
+else
   ac_cv_lib_dl_dlopen=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
   ac_build_have_dlopen=yes; BUILD_DL_LIBS="-ldl"
-else $as_nop
+else
   ac_have_dlopen=no
 fi
 
@@ -15105,29 +14019,28 @@ fi
 
     BUILD_DL_LDFLAGS=
     save_ldflags="$LDFLAGS"; LDFLAGS="$LDFLAGS -rdynamic"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether linker accepts the -rdynamic flag" >&5
-printf %s "checking whether linker accepts the -rdynamic flag... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether linker accepts the -rdynamic flag" >&5
+$as_echo_n "checking whether linker accepts the -rdynamic flag... " >&6; }
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 return 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_build_rdynamic=yes; BUILD_DL_LDFLAGS=-rdynamic
-else $as_nop
+else
   ac_cv_build_rdynamic=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build_rdynamic" >&5
-printf "%s\n" "$ac_cv_build_rdynamic" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build_rdynamic" >&5
+$as_echo "$ac_cv_build_rdynamic" >&6; }
     LDFLAGS="$save_ldflags"
 
 
@@ -15161,13 +14074,19 @@ fi
 
 
 
+
+
+
+
+
+
+
     if test x"$ac_cv_header_poll_h" = xyes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <poll.h> is emulated" >&5
-printf %s "checking whether <poll.h> is emulated... " >&6; }
-if test ${ac_cv_emulated_poll_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <poll.h> is emulated" >&5
+$as_echo_n "checking whether <poll.h> is emulated... " >&6; }
+if ${ac_cv_emulated_poll_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <poll.h>
@@ -15176,88 +14095,84 @@ else $as_nop
 #endif
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_emulated_poll_h=no
-else $as_nop
+else
   ac_cv_emulated_poll_h=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_emulated_poll_h" >&5
-printf "%s\n" "$ac_cv_emulated_poll_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_emulated_poll_h" >&5
+$as_echo "$ac_cv_emulated_poll_h" >&6; }
         if test "x$ac_cv_emulated_poll_h" = xno; then
 
-printf "%s\n" "#define HAVE_POLL_H 1" >>confdefs.h
+$as_echo "#define HAVE_POLL_H 1" >>confdefs.h
 
         fi
     fi
 
-ac_fn_cxx_check_func "$LINENO" "pselect" "ac_cv_func_pselect"
-if test "x$ac_cv_func_pselect" = xyes
-then :
-  printf "%s\n" "#define HAVE_PSELECT 1" >>confdefs.h
-
-fi
-ac_fn_cxx_check_func "$LINENO" "sigaction" "ac_cv_func_sigaction"
-if test "x$ac_cv_func_sigaction" = xyes
-then :
-  printf "%s\n" "#define HAVE_SIGACTION 1" >>confdefs.h
+for ac_func in pselect sigaction
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_cxx_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
 
 fi
+done
 
 
-
-  for ac_func in kqueue
+for ac_func in kqueue
 do :
   ac_fn_cxx_check_func "$LINENO" "kqueue" "ac_cv_func_kqueue"
-if test "x$ac_cv_func_kqueue" = xyes
-then :
-  printf "%s\n" "#define HAVE_KQUEUE 1" >>confdefs.h
+if test "x$ac_cv_func_kqueue" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_KQUEUE 1
+_ACEOF
  have_kqueue=yes
 fi
-
 done
+
 if test "x$have_kqueue" = xyes; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether EV_SET last argument is void *" >&5
-printf %s "checking whether EV_SET last argument is void *... " >&6; }
-if test ${ac_cv_ev_set_udata_pointer+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether EV_SET last argument is void *" >&5
+$as_echo_n "checking whether EV_SET last argument is void *... " >&6; }
+if ${ac_cv_ev_set_udata_pointer+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/event.h>
 #include <sys/time.h>
 int
-main (void)
+main ()
 {
 struct kevent kev; EV_SET(&kev, 1, EVFILT_WRITE, EV_ADD, 0, 0, (void *) &kev);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_ev_set_udata_pointer=yes
-else $as_nop
+else
   ac_cv_ev_set_udata_pointer=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_ev_set_udata_pointer" >&5
-printf "%s\n" "$ac_cv_ev_set_udata_pointer" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_ev_set_udata_pointer" >&5
+$as_echo "$ac_cv_ev_set_udata_pointer" >&6; }
     if test $ac_cv_ev_set_udata_pointer = yes; then
 
-printf "%s\n" "#define HAVE_EV_SET_UDATA_POINTER 1" >>confdefs.h
+$as_echo "#define HAVE_EV_SET_UDATA_POINTER 1" >>confdefs.h
 
     fi
 fi
@@ -15272,12 +14187,11 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 SOCKET_LIBS=
 if test "$enable_userlevel" = yes; then
     savelibs="$LIBS"; LIBS=
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyname" >&5
-printf %s "checking for library containing gethostbyname... " >&6; }
-if test ${ac_cv_search_gethostbyname+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyname" >&5
+$as_echo_n "checking for library containing gethostbyname... " >&6; }
+if ${ac_cv_search_gethostbyname+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -15285,58 +14199,55 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char gethostbyname ();
 int
-main (void)
+main ()
 {
 return gethostbyname ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' nsl
-do
+for ac_lib in '' nsl; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib $savelibs $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_gethostbyname=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_gethostbyname+y}
-then :
+  if ${ac_cv_search_gethostbyname+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_gethostbyname+y}
-then :
+if ${ac_cv_search_gethostbyname+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_gethostbyname=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5
-printf "%s\n" "$ac_cv_search_gethostbyname" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5
+$as_echo "$ac_cv_search_gethostbyname" >&6; }
 ac_res=$ac_cv_search_gethostbyname
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing connect" >&5
-printf %s "checking for library containing connect... " >&6; }
-if test ${ac_cv_search_connect+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing connect" >&5
+$as_echo_n "checking for library containing connect... " >&6; }
+if ${ac_cv_search_connect+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -15344,86 +14255,82 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char connect ();
 int
-main (void)
+main ()
 {
 return connect ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' socket
-do
+for ac_lib in '' socket; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib $savelibs $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_connect=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_connect+y}
-then :
+  if ${ac_cv_search_connect+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_connect+y}
-then :
+if ${ac_cv_search_connect+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_connect=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_connect" >&5
-printf "%s\n" "$ac_cv_search_connect" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_connect" >&5
+$as_echo "$ac_cv_search_connect" >&6; }
 ac_res=$ac_cv_search_connect
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
     SOCKET_LIBS="$LIBS"; LIBS="$savelibs"
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether accept() uses socklen_t" >&5
-printf %s "checking whether accept() uses socklen_t... " >&6; }
-if test ${ac_cv_accept_socklen_t+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether accept() uses socklen_t" >&5
+$as_echo_n "checking whether accept() uses socklen_t... " >&6; }
+if ${ac_cv_accept_socklen_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/socket.h>
 
 int
-main (void)
+main ()
 {
 socklen_t sl; (void) accept(0, (struct sockaddr *) 0, &sl);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_accept_socklen_t=yes
-else $as_nop
+else
   ac_cv_accept_socklen_t=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_accept_socklen_t" >&5
-printf "%s\n" "$ac_cv_accept_socklen_t" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_accept_socklen_t" >&5
+$as_echo "$ac_cv_accept_socklen_t" >&6; }
     if test "$ac_cv_accept_socklen_t" = yes; then
 
-printf "%s\n" "#define HAVE_ACCEPT_SOCKLEN_T 1" >>confdefs.h
+$as_echo "#define HAVE_ACCEPT_SOCKLEN_T 1" >>confdefs.h
 
     fi
 fi
@@ -15444,12 +14351,11 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for large file support in C library" >&5
-printf %s "checking for large file support in C library... " >&6; }
-if test ${ac_cv_large_file_support+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for large file support in C library" >&5
+$as_echo_n "checking for large file support in C library... " >&6; }
+if ${ac_cv_large_file_support+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _LARGEFILE_SOURCE 1
@@ -15463,26 +14369,25 @@ void h(off_t a) {
     lseek(fd, a, 0);
 }
 int
-main (void)
+main ()
 {
 h(15);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_large_file_support=yes
-else $as_nop
+else
   ac_cv_large_file_support=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_large_file_support" >&5
-printf "%s\n" "$ac_cv_large_file_support" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_large_file_support" >&5
+$as_echo "$ac_cv_large_file_support" >&6; }
     if test "x$ac_cv_large_file_support" = xyes; then
 
-printf "%s\n" "#define HAVE_LARGE_FILE_SUPPORT 1" >>confdefs.h
+$as_echo "#define HAVE_LARGE_FILE_SUPPORT 1" >>confdefs.h
 
     fi
 
@@ -15490,25 +14395,23 @@ printf "%s\n" "#define HAVE_LARGE_FILE_SUPPORT 1" >>confdefs.h
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of off_t" >&5
-printf %s "checking size of off_t... " >&6; }
-if test ${ac_cv_sizeof_off_t+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of off_t" >&5
+$as_echo_n "checking size of off_t... " >&6; }
+if ${ac_cv_sizeof_off_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (off_t))" "ac_cv_sizeof_off_t"        "#if HAVE_LARGE_FILE_SUPPORT && HAVE_INT64_TYPES
 # define _LARGEFILE_SOURCE 1
 # define _FILE_OFFSET_BITS 64
 #endif
 #include <stdio.h>
 #include <sys/types.h>
-"
-then :
+"; then :
 
-else $as_nop
+else
   if test "$ac_cv_type_off_t" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (off_t)
 See \`config.log' for more details" "$LINENO" 5; }
    else
@@ -15517,12 +14420,14 @@ See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_off_t" >&5
-printf "%s\n" "$ac_cv_sizeof_off_t" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_off_t" >&5
+$as_echo "$ac_cv_sizeof_off_t" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_OFF_T $ac_cv_sizeof_off_t" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_OFF_T $ac_cv_sizeof_off_t
+_ACEOF
 
 
 
@@ -15538,36 +14443,30 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-ac_func=
-for ac_item in $ac_func_c_list
-do
-  if test $ac_func; then
-    ac_fn_c_check_func "$LINENO" $ac_func ac_cv_func_$ac_func
-    if eval test \"x\$ac_cv_func_$ac_func\" = xyes; then
-      echo "#define $ac_item 1" >> confdefs.h
-    fi
-    ac_func=
-  else
-    ac_func=$ac_item
-  fi
-done
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working mmap" >&5
-printf %s "checking for working mmap... " >&6; }
-if test ${ac_cv_func_mmap_fixed_mapped+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  case "$host_os" in # ((
-			  # Guess yes on platforms where we know the result.
-		  linux*) ac_cv_func_mmap_fixed_mapped=yes ;;
-			  # If we don't know, assume the worst.
-		  *)      ac_cv_func_mmap_fixed_mapped=no ;;
-		esac
-else $as_nop
+
+
+
+for ac_func in getpagesize
+do :
+  ac_fn_c_check_func "$LINENO" "getpagesize" "ac_cv_func_getpagesize"
+if test "x$ac_cv_func_getpagesize" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GETPAGESIZE 1
+_ACEOF
+
+fi
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working mmap" >&5
+$as_echo_n "checking for working mmap... " >&6; }
+if ${ac_cv_func_mmap_fixed_mapped+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  ac_cv_func_mmap_fixed_mapped=no
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
@@ -15599,6 +14498,10 @@ $ac_includes_default
 #include <fcntl.h>
 #include <sys/mman.h>
 
+#if !defined STDC_HEADERS && !defined HAVE_STDLIB_H
+char *malloc ();
+#endif
+
 /* This mess was copied from the GNU getpagesize.h.  */
 #ifndef HAVE_GETPAGESIZE
 # ifdef _SC_PAGESIZE
@@ -15632,7 +14535,7 @@ $ac_includes_default
 #endif /* no HAVE_GETPAGESIZE */
 
 int
-main (void)
+main ()
 {
   char *data, *data2, *data3;
   const char *cdata2;
@@ -15705,10 +14608,9 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
+if ac_fn_c_try_run "$LINENO"; then :
   ac_cv_func_mmap_fixed_mapped=yes
-else $as_nop
+else
   ac_cv_func_mmap_fixed_mapped=no
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -15716,11 +14618,11 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_mmap_fixed_mapped" >&5
-printf "%s\n" "$ac_cv_func_mmap_fixed_mapped" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_mmap_fixed_mapped" >&5
+$as_echo "$ac_cv_func_mmap_fixed_mapped" >&6; }
 if test $ac_cv_func_mmap_fixed_mapped = yes; then
 
-printf "%s\n" "#define HAVE_MMAP 1" >>confdefs.h
+$as_echo "#define HAVE_MMAP 1" >>confdefs.h
 
 fi
 rm -f conftest.mmap conftest.txt
@@ -15731,25 +14633,31 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-ac_fn_cxx_check_func "$LINENO" "madvise" "ac_cv_func_madvise"
-if test "x$ac_cv_func_madvise" = xyes
-then :
-  printf "%s\n" "#define HAVE_MADVISE 1" >>confdefs.h
+for ac_func in madvise
+do :
+  ac_fn_cxx_check_func "$LINENO" "madvise" "ac_cv_func_madvise"
+if test "x$ac_cv_func_madvise" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_MADVISE 1
+_ACEOF
 
 fi
+done
 
-ac_fn_check_decl "$LINENO" "madvise" "ac_cv_have_decl_madvise" "#if HAVE_SYS_MMAN_H
+ac_fn_cxx_check_decl "$LINENO" "madvise" "ac_cv_have_decl_madvise" "#if HAVE_SYS_MMAN_H
 #include <sys/types.h>
 #include <sys/mman.h>
 #endif
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_madvise" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_madvise" = xyes; then :
   ac_have_decl=1
-else $as_nop
+else
   ac_have_decl=0
 fi
-printf "%s\n" "#define HAVE_DECL_MADVISE $ac_have_decl" >>confdefs.h
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_MADVISE $ac_have_decl
+_ACEOF
 
 
 
@@ -15773,14 +14681,14 @@ if test "$linux_system_map" = NONE; then
     fi
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Linux System.map" >&5
-printf %s "checking for Linux System.map... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Linux System.map" >&5
+$as_echo_n "checking for Linux System.map... " >&6; }
 if test -r "$linux_system_map"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $linux_system_map" >&5
-printf "%s\n" "$linux_system_map" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $linux_system_map" >&5
+$as_echo "$linux_system_map" >&6; }
 elif test -f "$linux_system_map"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $linux_system_map (unreadable)" >&5
-printf "%s\n" "$linux_system_map (unreadable)" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $linux_system_map (unreadable)" >&5
+$as_echo "$linux_system_map (unreadable)" >&6; }
     as_fn_error $? "
 =========================================
 
@@ -15791,7 +14699,7 @@ or use the --with-linux=DIR and/or --with-linux-map=MAP options.
 =========================================" "$LINENO" 5
 else
     if test "x$enable_linuxmodule_default" = xyes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 =========================================
 
 Can't find Linux System.map file $linux_system_map,
@@ -15799,7 +14707,7 @@ so I won't compile the linuxmodule driver.
 (You may need the --with-linux=DIR and/or --with-linux-map=MAP options.)
 
 =========================================" >&5
-printf "%s\n" "$as_me: WARNING:
+$as_echo "$as_me: WARNING:
 =========================================
 
 Can't find Linux System.map file $linux_system_map,
@@ -15827,20 +14735,20 @@ fi
 
 if test $ac_have_linux_kernel = y; then
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking Linux version" >&5
-printf %s "checking Linux version... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking Linux version" >&5
+$as_echo_n "checking Linux version... " >&6; }
 linuxpath_makefile=`find_linuxpath Makefile`
 linux_version=`grep '^VERSION[         ]*=[  ]*[0-9][0-9]*[    ]*$' "$linuxpath_makefile" | tr -c -d 0-9`
 linux_patchlevel=`grep '^PATCHLEVEL[   ]*=[  ]*[0-9][0-9]*[    ]*$' "$linuxpath_makefile" | tr -c -d 0-9`
 linux_sublevel=`grep '^SUBLEVEL[       ]*=[  ]*[0-9][0-9]*[    ]*$' "$linuxpath_makefile" | tr -c -d 0-9`
 if test -n "$linux_version" -a -n "$linux_patchlevel" -a -z "$linux_sublevel"; then linux_sublevel=0; fi
 if test -n "$linux_version" -a -n "$linux_patchlevel" -a -n "$linux_sublevel"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $linux_version.$linux_patchlevel.$linux_sublevel" >&5
-printf "%s\n" "$linux_version.$linux_patchlevel.$linux_sublevel" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $linux_version.$linux_patchlevel.$linux_sublevel" >&5
+$as_echo "$linux_version.$linux_patchlevel.$linux_sublevel" >&6; }
     linux_version_code=`expr $linux_version '*' 65536 + $linux_patchlevel '*' 256 + $linux_sublevel`
 else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
-printf "%s\n" "unknown" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
+$as_echo "unknown" >&6; }
     linux_version_code=0
 fi
 
@@ -15848,7 +14756,7 @@ LINUXMODULE_2_6=0
 if test "$linux_version.$linux_patchlevel" = 2.6 -o "$linux_version" -ge 3; then
     LINUXMODULE_2_6=1
 
-printf "%s\n" "#define HAVE_LINUXMODULE_2_6 1" >>confdefs.h
+$as_echo "#define HAVE_LINUXMODULE_2_6 1" >>confdefs.h
 
 fi
 if test "$LINUXMODULE_2_6" = 0; then
@@ -15862,224 +14770,211 @@ Update your Linux or try an older version of Click.
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Click Linux kernel extensions" >&5
-printf %s "checking for Click Linux kernel extensions... " >&6; }
-if test ${ac_cv_click_kernel+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Click Linux kernel extensions" >&5
+$as_echo_n "checking for Click Linux kernel extensions... " >&6; }
+if ${ac_cv_click_kernel+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "register_net_in" $linux_system_map >/dev/null 2>&1; then
     ac_cv_click_kernel=yes
 else ac_cv_click_kernel=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_click_kernel" >&5
-printf "%s\n" "$ac_cv_click_kernel" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_click_kernel" >&5
+$as_echo "$ac_cv_click_kernel" >&6; }
 if test $ac_cv_click_kernel = yes; then
-    printf "%s\n" "#define HAVE_CLICK_KERNEL 1" >>confdefs.h
+    $as_echo "#define HAVE_CLICK_KERNEL 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Click Linux kernel extensions for transmit notification" >&5
-printf %s "checking for Click Linux kernel extensions for transmit notification... " >&6; }
-if test ${ac_cv_click_kernel_tx_notify+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Click Linux kernel extensions for transmit notification" >&5
+$as_echo_n "checking for Click Linux kernel extensions for transmit notification... " >&6; }
+if ${ac_cv_click_kernel_tx_notify+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "register_net_tx" $linux_system_map >/dev/null 2>&1; then
     ac_cv_click_kernel_tx_notify=yes
 else ac_cv_click_kernel_tx_notify=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_click_kernel_tx_notify" >&5
-printf "%s\n" "$ac_cv_click_kernel_tx_notify" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_click_kernel_tx_notify" >&5
+$as_echo "$ac_cv_click_kernel_tx_notify" >&6; }
 if test $ac_cv_click_kernel_tx_notify = yes; then
-    printf "%s\n" "#define HAVE_CLICK_KERNEL_TX_NOTIFY 1" >>confdefs.h
+    $as_echo "#define HAVE_CLICK_KERNEL_TX_NOTIFY 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for read_net_skbcount kernel extension" >&5
-printf %s "checking for read_net_skbcount kernel extension... " >&6; }
-if test ${ac_cv_linux_read_net_skbcount+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for read_net_skbcount kernel extension" >&5
+$as_echo_n "checking for read_net_skbcount kernel extension... " >&6; }
+if ${ac_cv_linux_read_net_skbcount+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "read_net_skbcount" $linux_system_map >/dev/null 2>&1; then
   ac_cv_linux_read_net_skbcount=yes
 else ac_cv_linux_read_net_skbcount=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_read_net_skbcount" >&5
-printf "%s\n" "$ac_cv_linux_read_net_skbcount" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_read_net_skbcount" >&5
+$as_echo "$ac_cv_linux_read_net_skbcount" >&6; }
 if test $ac_cv_linux_read_net_skbcount = yes; then
-    printf "%s\n" "#define HAVE_LINUX_READ_NET_SKBCOUNT 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_READ_NET_SKBCOUNT 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for strlen kernel symbol" >&5
-printf %s "checking for strlen kernel symbol... " >&6; }
-if test ${ac_cv_linux_strlen_exposed+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for strlen kernel symbol" >&5
+$as_echo_n "checking for strlen kernel symbol... " >&6; }
+if ${ac_cv_linux_strlen_exposed+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep ' strlen' $linux_system_map >/dev/null 2>&1; then
   ac_cv_linux_strlen_exposed=yes
 else ac_cv_linux_strlen_exposed=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_strlen_exposed" >&5
-printf "%s\n" "$ac_cv_linux_strlen_exposed" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_strlen_exposed" >&5
+$as_echo "$ac_cv_linux_strlen_exposed" >&6; }
 if test $ac_cv_linux_strlen_exposed = yes; then
-    printf "%s\n" "#define HAVE_LINUX_STRLEN_EXPOSED 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_STRLEN_EXPOSED 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for tulip_interrupt_hook kernel symbol" >&5
-printf %s "checking for tulip_interrupt_hook kernel symbol... " >&6; }
-if test ${ac_cv_linux_tulip_intr_hook+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for tulip_interrupt_hook kernel symbol" >&5
+$as_echo_n "checking for tulip_interrupt_hook kernel symbol... " >&6; }
+if ${ac_cv_linux_tulip_intr_hook+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep ' tulip_interrupt_hook' $linux_system_map >/dev/null 2>&1; then
   ac_cv_linux_tulip_intr_hook=yes
 else ac_cv_linux_tulip_intr_hook=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_tulip_intr_hook" >&5
-printf "%s\n" "$ac_cv_linux_tulip_intr_hook" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_tulip_intr_hook" >&5
+$as_echo "$ac_cv_linux_tulip_intr_hook" >&6; }
 if test $ac_cv_linux_tulip_intr_hook = yes; then
-    printf "%s\n" "#define HAVE_LINUX_TULIP_INTERRUPT_HOOK 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_TULIP_INTERRUPT_HOOK 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for files_lock kernel symbol" >&5
-printf %s "checking for files_lock kernel symbol... " >&6; }
-if test ${ac_cv_linux_files_lock+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for files_lock kernel symbol" >&5
+$as_echo_n "checking for files_lock kernel symbol... " >&6; }
+if ${ac_cv_linux_files_lock+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_files_lock" $linux_system_map >/dev/null 2>&1; then
     ac_cv_linux_files_lock=yes
 else ac_cv_linux_files_lock=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_files_lock" >&5
-printf "%s\n" "$ac_cv_linux_files_lock" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_files_lock" >&5
+$as_echo "$ac_cv_linux_files_lock" >&6; }
 if test $ac_cv_linux_files_lock = yes; then
-    printf "%s\n" "#define HAVE_LINUX_FILES_LOCK 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_FILES_LOCK 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for files_lglock kernel symbol" >&5
-printf %s "checking for files_lglock kernel symbol... " >&6; }
-if test ${ac_cv_linux_files_lglock+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for files_lglock kernel symbol" >&5
+$as_echo_n "checking for files_lglock kernel symbol... " >&6; }
+if ${ac_cv_linux_files_lglock+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_files_lglock" $linux_system_map >/dev/null 2>&1; then
     ac_cv_linux_files_lglock=yes
 else ac_cv_linux_files_lglock=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_files_lglock" >&5
-printf "%s\n" "$ac_cv_linux_files_lglock" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_files_lglock" >&5
+$as_echo "$ac_cv_linux_files_lglock" >&6; }
 if test $ac_cv_linux_files_lglock = yes; then
-    printf "%s\n" "#define HAVE_LINUX_FILES_LGLOCK 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_FILES_LGLOCK 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sb_lock kernel symbol" >&5
-printf %s "checking for sb_lock kernel symbol... " >&6; }
-if test ${ac_cv_linux_sb_lock+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sb_lock kernel symbol" >&5
+$as_echo_n "checking for sb_lock kernel symbol... " >&6; }
+if ${ac_cv_linux_sb_lock+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_sb_lock" $linux_system_map >/dev/null 2>&1; then
     ac_cv_linux_sb_lock=yes
 else ac_cv_linux_sb_lock=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_sb_lock" >&5
-printf "%s\n" "$ac_cv_linux_sb_lock" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_sb_lock" >&5
+$as_echo "$ac_cv_linux_sb_lock" >&6; }
 if test $ac_cv_linux_sb_lock = yes; then
-    printf "%s\n" "#define HAVE_LINUX_SB_LOCK 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_SB_LOCK 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dev_ioctl kernel symbol" >&5
-printf %s "checking for dev_ioctl kernel symbol... " >&6; }
-if test ${ac_cv_linux_dev_ioctl+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dev_ioctl kernel symbol" >&5
+$as_echo_n "checking for dev_ioctl kernel symbol... " >&6; }
+if ${ac_cv_linux_dev_ioctl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_dev_ioctl" $linux_system_map >/dev/null 2>&1; then
     ac_cv_linux_dev_ioctl=yes
 else ac_cv_linux_dev_ioctl=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_dev_ioctl" >&5
-printf "%s\n" "$ac_cv_linux_dev_ioctl" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_dev_ioctl" >&5
+$as_echo "$ac_cv_linux_dev_ioctl" >&6; }
 if test $ac_cv_linux_dev_ioctl = yes; then
-    printf "%s\n" "#define HAVE_LINUX_DEV_IOCTL 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_DEV_IOCTL 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for devinet_ioctl kernel symbol" >&5
-printf %s "checking for devinet_ioctl kernel symbol... " >&6; }
-if test ${ac_cv_linux_devinet_ioctl+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for devinet_ioctl kernel symbol" >&5
+$as_echo_n "checking for devinet_ioctl kernel symbol... " >&6; }
+if ${ac_cv_linux_devinet_ioctl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_devinet_ioctl" $linux_system_map >/dev/null 2>&1; then
     ac_cv_linux_devinet_ioctl=yes
 else ac_cv_linux_devinet_ioctl=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_devinet_ioctl" >&5
-printf "%s\n" "$ac_cv_linux_devinet_ioctl" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_devinet_ioctl" >&5
+$as_echo "$ac_cv_linux_devinet_ioctl" >&6; }
 if test $ac_cv_linux_devinet_ioctl = yes; then
-    printf "%s\n" "#define HAVE_LINUX_DEVINET_IOCTL 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_DEVINET_IOCTL 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inet_ioctl kernel symbol" >&5
-printf %s "checking for inet_ioctl kernel symbol... " >&6; }
-if test ${ac_cv_linux_inet_ioctl+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_ioctl kernel symbol" >&5
+$as_echo_n "checking for inet_ioctl kernel symbol... " >&6; }
+if ${ac_cv_linux_inet_ioctl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_inet_ioctl" $linux_system_map >/dev/null 2>&1; then
     ac_cv_linux_inet_ioctl=yes
 else ac_cv_linux_inet_ioctl=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_inet_ioctl" >&5
-printf "%s\n" "$ac_cv_linux_inet_ioctl" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_inet_ioctl" >&5
+$as_echo "$ac_cv_linux_inet_ioctl" >&6; }
 if test $ac_cv_linux_inet_ioctl = yes; then
-    printf "%s\n" "#define HAVE_LINUX_INET_IOCTL 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_INET_IOCTL 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inet_ctl_sock_create kernel symbol" >&5
-printf %s "checking for inet_ctl_sock_create kernel symbol... " >&6; }
-if test ${ac_cv_linux_inet_ctl_sock_create+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_ctl_sock_create kernel symbol" >&5
+$as_echo_n "checking for inet_ctl_sock_create kernel symbol... " >&6; }
+if ${ac_cv_linux_inet_ctl_sock_create+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_inet_ctl_sock_create" $linux_system_map >/dev/null 2>&1; then
     ac_cv_linux_inet_ctl_sock_create=yes
 else ac_cv_linux_inet_ctl_sock_create=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_inet_ctl_sock_create" >&5
-printf "%s\n" "$ac_cv_linux_inet_ctl_sock_create" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_inet_ctl_sock_create" >&5
+$as_echo "$ac_cv_linux_inet_ctl_sock_create" >&6; }
 if test $ac_cv_linux_inet_ctl_sock_create = yes; then
-    printf "%s\n" "#define HAVE_LINUX_INET_CTL_SOCK_CREATE 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_INET_CTL_SOCK_CREATE 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for <linux/ktime.h>" >&5
-printf %s "checking for <linux/ktime.h>... " >&6; }
-if test ${ac_cv_linux_ktime_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for <linux/ktime.h>" >&5
+$as_echo_n "checking for <linux/ktime.h>... " >&6; }
+if ${ac_cv_linux_ktime_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep ktime_t `find_linuxpath include/linux/ktime.h` >/dev/null 2>&1; then
   ac_cv_linux_ktime_h=yes
 else ac_cv_linux_ktime_h=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_ktime_h" >&5
-printf "%s\n" "$ac_cv_linux_ktime_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_ktime_h" >&5
+$as_echo "$ac_cv_linux_ktime_h" >&6; }
 if test $ac_cv_linux_ktime_h = yes; then
-    printf "%s\n" "#define HAVE_LINUX_KTIME_H 1" >>confdefs.h
+    $as_echo "#define HAVE_LINUX_KTIME_H 1" >>confdefs.h
 
 fi
 
@@ -16089,12 +14984,11 @@ fi
 
 if test $ac_have_bsd_kernel = y; then
     KERNEL_CXX="$KERNEL_CXX -fpermissive"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking FreeBSD version" >&5
-printf %s "checking FreeBSD version... " >&6; }
-if test ${ac_cv_freebsd_version+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking FreeBSD version" >&5
+$as_echo_n "checking FreeBSD version... " >&6; }
+if ${ac_cv_freebsd_version+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
         save_flags="$CPPFLAGS"
         CPPFLAGS="$CPPFLAGS -I$freebsd_includedir"
@@ -16105,37 +14999,36 @@ else $as_nop
 #include <NONEXISTENT_FILE>
 #endif
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_freebsd_version=yes
-else $as_nop
+else
   ac_cv_freebsd_version=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
         CPPFLAGS="$save_flags"
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_freebsd_version" >&5
-printf "%s\n" "$ac_cv_freebsd_version" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_freebsd_version" >&5
+$as_echo "$ac_cv_freebsd_version" >&6; }
     if test $ac_cv_freebsd_version = yes; then
-        printf "%s\n" "#define HAVE_CLICK_BSD_KERNEL 1" >>confdefs.h
+        $as_echo "#define HAVE_CLICK_BSD_KERNEL 1" >>confdefs.h
 
-        printf "%s\n" "#define HAVE_BSD_POLLING 1" >>confdefs.h
+        $as_echo "#define HAVE_BSD_POLLING 1" >>confdefs.h
 
     else
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 =========================================
 
 Your version of FreeBSD is old.  Click works with FreeBSD 7.x and later.
 
 =========================================" >&5
-printf "%s\n" "$as_me: WARNING:
+$as_echo "$as_me: WARNING:
 =========================================
 
 Your version of FreeBSD is old.  Click works with FreeBSD 7.x and later.
@@ -16143,12 +15036,11 @@ Your version of FreeBSD is old.  Click works with FreeBSD 7.x and later.
 =========================================" >&2;}
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether long and int64_t are the same type in the FreeBSD kernel" >&5
-printf %s "checking whether long and int64_t are the same type in the FreeBSD kernel... " >&6; }
-if test ${ac_cv_long_64_bsdmodule+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether long and int64_t are the same type in the FreeBSD kernel" >&5
+$as_echo_n "checking whether long and int64_t are the same type in the FreeBSD kernel... " >&6; }
+if ${ac_cv_long_64_bsdmodule+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   save_flags="$CPPFLAGS"
         CPPFLAGS="$CPPFLAGS -I$freebsd_includedir"
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -16160,35 +15052,33 @@ void f1(long) {
 void f1(int64_t) { // will fail if long long and int64_t are the same type
 }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_long_64_bsdmodule=no
-else $as_nop
+else
   ac_cv_long_64_bsdmodule=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_64_bsdmodule" >&5
-printf "%s\n" "$ac_cv_long_64_bsdmodule" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_64_bsdmodule" >&5
+$as_echo "$ac_cv_long_64_bsdmodule" >&6; }
     if test $ac_cv_long_64_bsdmodule = yes; then
 
-printf "%s\n" "#define HAVE_INT64_IS_LONG_BSDMODULE 1" >>confdefs.h
+$as_echo "#define HAVE_INT64_IS_LONG_BSDMODULE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether long long and int64_t are the same type in the FreeBSD kernel" >&5
-printf %s "checking whether long long and int64_t are the same type in the FreeBSD kernel... " >&6; }
-if test ${ac_cv_long_long_64_bsdmodule+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether long long and int64_t are the same type in the FreeBSD kernel" >&5
+$as_echo_n "checking whether long long and int64_t are the same type in the FreeBSD kernel... " >&6; }
+if ${ac_cv_long_long_64_bsdmodule+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   save_flags="$CPPFLAGS"
         CPPFLAGS="$CPPFLAGS -I$freebsd_includedir"
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -16200,26 +15090,25 @@ void f1(long long) {
 void f1(int64_t) { // will fail if long long and int64_t are the same type
 }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_long_long_64_bsdmodule=no
-else $as_nop
+else
   ac_cv_long_long_64_bsdmodule=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_long_64_bsdmodule" >&5
-printf "%s\n" "$ac_cv_long_long_64_bsdmodule" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_long_64_bsdmodule" >&5
+$as_echo "$ac_cv_long_long_64_bsdmodule" >&6; }
     if test $ac_cv_long_long_64_bsdmodule = yes; then
 
-printf "%s\n" "#define HAVE_INT64_IS_LONG_LONG_BSDMODULE 1" >>confdefs.h
+$as_echo "#define HAVE_INT64_IS_LONG_LONG_BSDMODULE 1" >>confdefs.h
 
     fi
 fi
@@ -16228,17 +15117,18 @@ fi
 
 
 # Check whether --enable-stats was given.
-if test ${enable_stats+y}
-then :
+if test "${enable_stats+set}" = set; then :
   enableval=$enable_stats; :
-else $as_nop
+else
   enable_stats=no
 fi
 
 if test "$enable_stats" = no; then enable_stats=0; fi
 if test "$enable_stats" = yes; then enable_stats=1; fi
 if test "$enable_stats" -ge 0 > /dev/null 2>&1; then
-    printf "%s\n" "#define CLICK_STATS $enable_stats" >>confdefs.h
+    cat >>confdefs.h <<_ACEOF
+#define CLICK_STATS $enable_stats
+_ACEOF
 
 else
     as_fn_error $? "
@@ -16251,37 +15141,35 @@ fi
 
 
 # Check whether --enable-stride was given.
-if test ${enable_stride+y}
-then :
+if test "${enable_stride+set}" = set; then :
   enableval=$enable_stride; :
-else $as_nop
+else
   enable_stride=yes
 fi
 
 if test $enable_stride = yes; then
-    printf "%s\n" "#define HAVE_STRIDE_SCHED 1" >>confdefs.h
+    $as_echo "#define HAVE_STRIDE_SCHED 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-task-heap was given.
-if test ${enable_task_heap+y}
-then :
+if test "${enable_task_heap+set}" = set; then :
   enableval=$enable_task_heap; :
-else $as_nop
+else
   enable_task_heap=no
 fi
 
 if test $enable_task_heap = yes -a $enable_stride = yes; then
-    printf "%s\n" "#define HAVE_TASK_HEAP 1" >>confdefs.h
+    $as_echo "#define HAVE_TASK_HEAP 1" >>confdefs.h
 
 elif test $enable_task_heap = yes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 =========================================
 
 Ignoring --enable-task-heap, which is incompatible with --disable-stride.
 
 =========================================" >&5
-printf "%s\n" "$as_me: WARNING:
+$as_echo "$as_me: WARNING:
 =========================================
 
 Ignoring --enable-task-heap, which is incompatible with --disable-stride.
@@ -16291,33 +15179,31 @@ fi
 
 
 # Check whether --enable-task-stats was given.
-if test ${enable_task_stats+y}
-then :
+if test "${enable_task_stats+set}" = set; then :
   enableval=$enable_task_stats; :
-else $as_nop
+else
   enable_task_stats=no
 fi
 
 if test "x$enable_task_stats" = xyes; then
-    printf "%s\n" "#define HAVE_TASK_STATS 1" >>confdefs.h
+    $as_echo "#define HAVE_TASK_STATS 1" >>confdefs.h
 
 fi
 
 # Check whether --enable-cpu-load was given.
-if test ${enable_cpu_load+y}
-then :
+if test "${enable_cpu_load+set}" = set; then :
   enableval=$enable_cpu_load; :
-else $as_nop
+else
   enable_cpu_load=no
 fi
 
 if test "x$enable_cpu_load" = xyes; then
-    printf "%s\n" "#define HAVE_CLICK_LOAD 1" >>confdefs.h
+    $as_echo "#define HAVE_CLICK_LOAD 1" >>confdefs.h
 
 else
     if test "x$enable_rsspp" = xyes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: --enable-rsspp needs --enable-cpu-load" >&5
-printf "%s\n" "$as_me: --enable-rsspp needs --enable-cpu-load" >&6;}
+        { $as_echo "$as_me:${as_lineno-$LINENO}: --enable-rsspp needs --enable-cpu-load" >&5
+$as_echo "$as_me: --enable-rsspp needs --enable-cpu-load" >&6;}
         enable_rsspp=no
     fi
 fi
@@ -16328,13 +15214,12 @@ else
     enable_rsspp=no
 fi
 
-as_ac_File=`printf "%s\n" "ac_cv_file_$srcdir/include/click/flowruleparser.hh" | $as_tr_sh`
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $srcdir/include/click/flowruleparser.hh" >&5
-printf %s "checking for $srcdir/include/click/flowruleparser.hh... " >&6; }
-if eval test \${$as_ac_File+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+as_ac_File=`$as_echo "ac_cv_file_$srcdir/include/click/flowruleparser.hh" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $srcdir/include/click/flowruleparser.hh" >&5
+$as_echo_n "checking for $srcdir/include/click/flowruleparser.hh... " >&6; }
+if eval \${$as_ac_File+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$srcdir/include/click/flowruleparser.hh"; then
@@ -16344,22 +15229,20 @@ else
 fi
 fi
 eval ac_res=\$$as_ac_File
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"
-then :
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
   ac_have_flow_rule_parser_h=yes
-else $as_nop
+else
   ac_have_flow_rule_parser_h=no
 fi
 
-as_ac_File=`printf "%s\n" "ac_cv_file_$srcdir/include/click/flowrulecache.hh" | $as_tr_sh`
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $srcdir/include/click/flowrulecache.hh" >&5
-printf %s "checking for $srcdir/include/click/flowrulecache.hh... " >&6; }
-if eval test \${$as_ac_File+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+as_ac_File=`$as_echo "ac_cv_file_$srcdir/include/click/flowrulecache.hh" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $srcdir/include/click/flowrulecache.hh" >&5
+$as_echo_n "checking for $srcdir/include/click/flowrulecache.hh... " >&6; }
+if eval \${$as_ac_File+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$srcdir/include/click/flowrulecache.hh"; then
@@ -16369,22 +15252,20 @@ else
 fi
 fi
 eval ac_res=\$$as_ac_File
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"
-then :
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
   ac_have_flow_rule_cache_h=yes
-else $as_nop
+else
   ac_have_flow_rule_cache_h=no
 fi
 
-as_ac_File=`printf "%s\n" "ac_cv_file_$srcdir/include/click/flowrulemanager.hh" | $as_tr_sh`
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $srcdir/include/click/flowrulemanager.hh" >&5
-printf %s "checking for $srcdir/include/click/flowrulemanager.hh... " >&6; }
-if eval test \${$as_ac_File+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+as_ac_File=`$as_echo "ac_cv_file_$srcdir/include/click/flowrulemanager.hh" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $srcdir/include/click/flowrulemanager.hh" >&5
+$as_echo_n "checking for $srcdir/include/click/flowrulemanager.hh... " >&6; }
+if eval \${$as_ac_File+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$srcdir/include/click/flowrulemanager.hh"; then
@@ -16394,18 +15275,17 @@ else
 fi
 fi
 eval ac_res=\$$as_ac_File
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"
-then :
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
   ac_have_flow_rule_man_h=yes
-else $as_nop
+else
   ac_have_flow_rule_man_h=no
 fi
 
 if test "x$ac_have_flow_rule_parser_h$ac_have_flow_rule_cache_h$ac_have_flow_rule_man_h$enable_flow_api" = "xyesyesyesyes"; then
     have_flow_api=yes
-    printf "%s\n" "#define HAVE_FLOW_API 1" >>confdefs.h
+    $as_echo "#define HAVE_FLOW_API 1" >>confdefs.h
 
     HAVE_FLOW_API=1
 
@@ -16417,16 +15297,15 @@ fi
 
 
 # Check whether --enable-dmalloc was given.
-if test ${enable_dmalloc+y}
-then :
+if test "${enable_dmalloc+set}" = set; then :
   enableval=$enable_dmalloc; :
-else $as_nop
+else
   enable_dmalloc=no
 fi
 
 if test $enable_dmalloc = yes; then
 
-printf "%s\n" "#define CLICK_DMALLOC 1" >>confdefs.h
+$as_echo "#define CLICK_DMALLOC 1" >>confdefs.h
 
 fi
 
@@ -16434,57 +15313,56 @@ fi
 
 
 # Check whether --enable-hash-iterator-epochs was given.
-if test ${enable_hash_iterator_epochs+y}
-then :
+if test "${enable_hash_iterator_epochs+set}" = set; then :
   enableval=$enable_hash_iterator_epochs; :
-else $as_nop
+else
   enable_hash_iterator_epochs=no
 fi
 
 if test $enable_hash_iterator_epochs = yes; then
 
-printf "%s\n" "#define CLICK_HASH_ITERATOR_EPOCHS 1" >>confdefs.h
+$as_echo "#define CLICK_HASH_ITERATOR_EPOCHS 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-force-expensive was given.
-if test ${enable_force_expensive+y}
-then :
+if test "${enable_force_expensive+set}" = set; then :
   enableval=$enable_force_expensive; :
-else $as_nop
+else
   enable_force_expensive=no
 fi
 
 if test $enable_force_expensive = yes; then
 
-printf "%s\n" "#define CLICK_FORCE_EXPENSIVE 1" >>confdefs.h
+$as_echo "#define CLICK_FORCE_EXPENSIVE 1" >>confdefs.h
 
 fi
 
 
 
 # Check whether --enable-valgrind was given.
-if test ${enable_valgrind+y}
-then :
+if test "${enable_valgrind+set}" = set; then :
   enableval=$enable_valgrind; :
-else $as_nop
+else
   enable_valgrind=no
 fi
 
 if test $enable_valgrind = yes; then
-           for ac_header in valgrind/memcheck.h
+    for ac_header in valgrind/memcheck.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "valgrind/memcheck.h" "ac_cv_header_valgrind_memcheck_h" "$ac_includes_default"
-if test "x$ac_cv_header_valgrind_memcheck_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_VALGRIND_MEMCHECK_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "valgrind/memcheck.h" "ac_cv_header_valgrind_memcheck_h" "$ac_includes_default"
+if test "x$ac_cv_header_valgrind_memcheck_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_VALGRIND_MEMCHECK_H 1
+_ACEOF
  ac_found_valgrind_memcheck_h=yes
-else $as_nop
+else
   ac_found_valgrind_memcheck_h=no
 fi
 
 done
+
     if test $ac_found_valgrind_memcheck_h = no; then
         as_fn_error $? "
 =========================================
@@ -16495,17 +15373,16 @@ Try again without '--enable-valgrind'.
 =========================================" "$LINENO" 5
             fi
 
-printf "%s\n" "#define HAVE_VALGRIND 1" >>confdefs.h
+$as_echo "#define HAVE_VALGRIND 1" >>confdefs.h
 
 fi
 
 
 
 # Check whether --enable-schedule-debugging was given.
-if test ${enable_schedule_debugging+y}
-then :
+if test "${enable_schedule_debugging+set}" = set; then :
   enableval=$enable_schedule_debugging; :
-else $as_nop
+else
   enable_schedule_debugging=no
 fi
 
@@ -16517,26 +15394,38 @@ elif test "$enable_schedule_debugging" = extra; then
 fi
 if test "$value" != 0; then
 
-printf "%s\n" "#define CLICK_DEBUG_SCHEDULING $value" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define CLICK_DEBUG_SCHEDULING $value
+_ACEOF
+
+fi
+
+# Check whether --enable-hash-allocator-poisoning was given.
+if test "${enable_hash_allocator_poisoning+set}" = set; then :
+  enableval=$enable_hash_allocator_poisoning; :
+else
+  enable_hash_allocator_poisoning=no
+fi
+
+if test $enable_hash_allocator_poisoning = yes; then
+    $as_echo "#define HAVE_HASH_ALLOCATOR_POISONING 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-portable-binary was given.
-if test ${enable_portable_binary+y}
-then :
+if test "${enable_portable_binary+set}" = set; then :
   enableval=$enable_portable_binary; acx_maxopt_portable=$enableval
-else $as_nop
+else
   acx_maxopt_portable=no
 fi
 
 if test $acx_maxopt_portable = no; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -march=native" >&5
-printf %s "checking whether C++ compiler accepts -march=native... " >&6; }
-if test ${ax_cv_check_cxxflags___march_native+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -march=native" >&5
+$as_echo_n "checking whether C++ compiler accepts -march=native... " >&6; }
+if ${ax_cv_check_cxxflags___march_native+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
   ax_check_save_flags=$CXXFLAGS
   CXXFLAGS="$CXXFLAGS  -march=native"
@@ -16544,28 +15433,26 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ax_cv_check_cxxflags___march_native=yes
-else $as_nop
+else
   ax_cv_check_cxxflags___march_native=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CXXFLAGS=$ax_check_save_flags
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags___march_native" >&5
-printf "%s\n" "$ax_cv_check_cxxflags___march_native" >&6; }
-if test "x$ax_cv_check_cxxflags___march_native" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags___march_native" >&5
+$as_echo "$ax_cv_check_cxxflags___march_native" >&6; }
+if test "x$ax_cv_check_cxxflags___march_native" = xyes; then :
   CXXFLAGS="-march=native $CXXFLAGS";CFLAGS="-march=native $CFLAGS"
-else $as_nop
+else
   :
 fi
 
@@ -16573,74 +15460,70 @@ fi
 
 
 # Check whether --enable-intel-cpu was given.
-if test ${enable_intel_cpu+y}
-then :
+if test "${enable_intel_cpu+set}" = set; then :
   enableval=$enable_intel_cpu; :
-else $as_nop
+else
   enable_intel_cpu=no
 fi
 
 if test $enable_intel_cpu = yes; then
-    printf "%s\n" "#define HAVE_INTEL_CPU 1" >>confdefs.h
+    $as_echo "#define HAVE_INTEL_CPU 1" >>confdefs.h
 
 fi
 
 
 # Check whether --enable-avx2 was given.
-if test ${enable_avx2+y}
-then :
+if test "${enable_avx2+set}" = set; then :
   enableval=$enable_avx2; check_avx2=no
-else $as_nop
+else
   check_avx2=yes
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if AVX2 should be used" >&5
-printf %s "checking if AVX2 should be used... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if AVX2 should be used" >&5
+$as_echo_n "checking if AVX2 should be used... " >&6; }
 if test "x$ax_cv_gcc_x86_cpu_supports_avx2$check_avx2" = "xyesyes"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-    printf "%s\n" "#define HAVE_AVX2 1" >>confdefs.h
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+    $as_echo "#define HAVE_AVX2 1" >>confdefs.h
 
 else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
 # Check whether --enable-sse42 was given.
-if test ${enable_sse42+y}
-then :
+if test "${enable_sse42+set}" = set; then :
   enableval=$enable_sse42; check_sse42=no
-else $as_nop
+else
   check_sse42=yes
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if SSE4.2 should be used" >&5
-printf %s "checking if SSE4.2 should be used... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if SSE4.2 should be used" >&5
+$as_echo_n "checking if SSE4.2 should be used... " >&6; }
 if test "x$ax_cv_gcc_x86_cpu_supports_sse4_2$check_sse42" = "xyesyes"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-    printf "%s\n" "#define HAVE_SSE42 1" >>confdefs.h
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+    $as_echo "#define HAVE_SSE42 1" >>confdefs.h
 
 else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
 
 # Check whether --enable-atomic-builtins was given.
-if test ${enable_atomic_builtins+y}
-then :
+if test "${enable_atomic_builtins+set}" = set; then :
   enableval=$enable_atomic_builtins; :
-else $as_nop
+else
   enable_atomic_builtins=no
 fi
 
 if test "x${enable_atomic_builtins}" = "xyes"; then
-        printf "%s\n" "#define HAVE_ATOMIC_BUILTINS 1" >>confdefs.h
+        $as_echo "#define HAVE_ATOMIC_BUILTINS 1" >>confdefs.h
 
 fi
 
@@ -16691,6 +15574,15 @@ done
 
 
 
+
+
+
+
+
+
+
+
+
 
 
 
@@ -16732,8 +15624,8 @@ done
 
 if test "x$enable_dpdk" != "xno"; then
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for DPDK library" >&5
-printf %s "checking for DPDK library... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DPDK library" >&5
+$as_echo_n "checking for DPDK library... " >&6; }
 
     if test "x$enable_dpdk" != "xyes"; then
         RTE_SDK=$enable_dpdk
@@ -16782,8 +15674,8 @@ printf %s "checking for DPDK library... " >&6; }
         DPDK_LIBS=$(pkg-config --libs --static libdpdk)
       fi
 	  DPDK_CFLAGS=$(pkg-config --cflags libdpdk)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
     else
       dpdk_sys="make"
       RTE_USE_PKGCONFIG=0
@@ -16803,8 +15695,8 @@ version (dpdk-dev or dpdk-devel).
 =========================================" "$LINENO" 5
       fi
 
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes, found at $RTE_SDK_BIN" >&5
-printf "%s\n" "yes, found at $RTE_SDK_BIN" >&6; }
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes, found at $RTE_SDK_BIN" >&5
+$as_echo "yes, found at $RTE_SDK_BIN" >&6; }
 
       if test -e "$RTE_SRCDIR/VERSION"; then
         rte_ver_year=`cat $RTE_SRCDIR/VERSION | sed -e 's/-rc/.-rc./' -e 's/$/..99/' | awk -F '.' '{print int($1)}'`
@@ -16844,33 +15736,33 @@ printf "%s\n" "yes, found at $RTE_SDK_BIN" >&6; }
     DPDK_CFLAGS=${DPDK_CFLAGS}
 
 
-    printf "%s\n" "#define HAVE_DPDK 1" >>confdefs.h
+    $as_echo "#define HAVE_DPDK 1" >>confdefs.h
 
     USE_DPDK=yes
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether DPDK has rte_eth_read_clock" >&5
-printf %s "checking whether DPDK has rte_eth_read_clock... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether DPDK has rte_eth_read_clock" >&5
+$as_echo_n "checking whether DPDK has rte_eth_read_clock... " >&6; }
     if ${READELF} -Ws "$RTE_LIB/librte_ethdev.a" | grep rte_eth_read_clock &> /dev/null; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-      printf "%s\n" "#define HAVE_DPDK_READ_CLOCK 1" >>confdefs.h
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+      $as_echo "#define HAVE_DPDK_READ_CLOCK 1" >>confdefs.h
 
     else
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether DPDK has rte_flow_update" >&5
-printf %s "checking whether DPDK has rte_flow_update... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether DPDK has rte_flow_update" >&5
+$as_echo_n "checking whether DPDK has rte_flow_update... " >&6; }
     if ${READELF} -Ws "$RTE_LIB/librte_ethdev.a" | grep rte_flow_update &> /dev/null; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-      printf "%s\n" "#define HAVE_RTE_FLOW_UPDATE 1" >>confdefs.h
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+      $as_echo "#define HAVE_RTE_FLOW_UPDATE 1" >>confdefs.h
 
     else
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
     fi
 
 fi
@@ -16884,7 +15776,7 @@ if test "x$enable_dpdk_pool" = xyes; then
 
 =========================================" "$LINENO" 5
     fi
-    printf "%s\n" "#define HAVE_DPDK_PACKET_POOL 1" >>confdefs.h
+    $as_echo "#define HAVE_DPDK_PACKET_POOL 1" >>confdefs.h
 
 fi
 
@@ -16897,7 +15789,7 @@ if test "x$enable_dpdk_xchg" = "xyes"; then
 
 =========================================" "$LINENO" 5
     fi
-    printf "%s\n" "#define HAVE_DPDK_XCHG 1" >>confdefs.h
+    $as_echo "#define HAVE_DPDK_XCHG 1" >>confdefs.h
 
     HAVE_DPDK_XCHG=y
 
@@ -16915,7 +15807,7 @@ if test "x$enable_dpdk_packet" = "xyes"; then
 
 =========================================" "$LINENO" 5
     fi
-    printf "%s\n" "#define CLICK_PACKET_USE_DPDK 1" >>confdefs.h
+    $as_echo "#define CLICK_PACKET_USE_DPDK 1" >>confdefs.h
 
 fi
 
@@ -16927,21 +15819,19 @@ if test "$enable_userlevel" = yes; then
 
     HAVE_PCAP=yes
     if test "${PCAP_INCLUDES-NO}" = NO; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pcap.h" >&5
-printf %s "checking for pcap.h... " >&6; }
-if test ${ac_cv_pcap_header_path+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcap.h" >&5
+$as_echo_n "checking for pcap.h... " >&6; }
+if ${ac_cv_pcap_header_path+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
             cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <pcap.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"
-then :
+if ac_fn_cxx_try_cpp "$LINENO"; then :
   ac_cv_pcap_header_path="found"
-else $as_nop
+else
   ac_cv_pcap_header_path='not found'
             test -r /usr/local/include/pcap/pcap.h && \
                 ac_cv_pcap_header_path='-I/usr/local/include/pcap'
@@ -16950,8 +15840,8 @@ else $as_nop
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pcap_header_path" >&5
-printf "%s\n" "$ac_cv_pcap_header_path" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pcap_header_path" >&5
+$as_echo "$ac_cv_pcap_header_path" >&6; }
         if test "$ac_cv_pcap_header_path" = 'not found'; then
             HAVE_PCAP=
         elif test "$ac_cv_pcap_header_path" != 'found'; then
@@ -16960,12 +15850,11 @@ printf "%s\n" "$ac_cv_pcap_header_path" >&6; }
     fi
 
     if test "$HAVE_PCAP" = yes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether pcap.h works" >&5
-printf %s "checking whether pcap.h works... " >&6; }
-if test ${ac_cv_working_pcap_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pcap.h works" >&5
+$as_echo_n "checking whether pcap.h works... " >&6; }
+if ${ac_cv_working_pcap_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
             saveflags="$CPPFLAGS"
             CPPFLAGS="$saveflags $PCAP_INCLUDES"
@@ -16973,17 +15862,16 @@ else $as_nop
 /* end confdefs.h.  */
 #include <pcap.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"
-then :
+if ac_fn_cxx_try_cpp "$LINENO"; then :
   ac_cv_working_pcap_h=yes
-else $as_nop
+else
   ac_cv_working_pcap_h=no
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
             CPPFLAGS="$saveflags"
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_pcap_h" >&5
-printf "%s\n" "$ac_cv_working_pcap_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_pcap_h" >&5
+$as_echo "$ac_cv_working_pcap_h" >&6; }
         test "$ac_cv_working_pcap_h" != yes && HAVE_PCAP=
     else
         HAVE_PCAP=no
@@ -16992,43 +15880,43 @@ printf "%s\n" "$ac_cv_working_pcap_h" >&6; }
     if test "$HAVE_PCAP" = yes; then
         saveflags="$CPPFLAGS"
         CPPFLAGS="$saveflags $PCAP_INCLUDES"
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for bpf_timeval in pcap.h" >&5
-printf %s "checking for bpf_timeval in pcap.h... " >&6; }
-if test ${ac_cv_bpf_timeval+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bpf_timeval in pcap.h" >&5
+$as_echo_n "checking for bpf_timeval in pcap.h... " >&6; }
+if ${ac_cv_bpf_timeval+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <pcap.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "bpf_timeval" >/dev/null 2>&1
-then :
+  $EGREP "bpf_timeval" >/dev/null 2>&1; then :
   ac_cv_bpf_timeval=yes
-else $as_nop
+else
   ac_cv_bpf_timeval=no
 fi
-rm -rf conftest*
+rm -f conftest*
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_bpf_timeval" >&5
-printf "%s\n" "$ac_cv_bpf_timeval" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_bpf_timeval" >&5
+$as_echo "$ac_cv_bpf_timeval" >&6; }
         if test "$ac_cv_bpf_timeval" = yes; then
 
-printf "%s\n" "#define HAVE_BPF_TIMEVAL 1" >>confdefs.h
+$as_echo "#define HAVE_BPF_TIMEVAL 1" >>confdefs.h
 
         fi
-        ac_fn_check_decl "$LINENO" "pcap_setnonblock" "ac_cv_have_decl_pcap_setnonblock" "#include <pcap.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_pcap_setnonblock" = xyes
-then :
+        ac_fn_cxx_check_decl "$LINENO" "pcap_setnonblock" "ac_cv_have_decl_pcap_setnonblock" "#include <pcap.h>
+"
+if test "x$ac_cv_have_decl_pcap_setnonblock" = xyes; then :
   ac_have_decl=1
-else $as_nop
+else
   ac_have_decl=0
 fi
-printf "%s\n" "#define HAVE_DECL_PCAP_SETNONBLOCK $ac_have_decl" >>confdefs.h
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_PCAP_SETNONBLOCK $ac_have_decl
+_ACEOF
 
         CPPFLAGS="$saveflags"
     fi
@@ -17040,12 +15928,11 @@ printf "%s\n" "#define HAVE_DECL_PCAP_SETNONBLOCK $ac_have_decl" >>confdefs.h
 
     if test "$HAVE_PCAP" = yes; then
         if test "${PCAP_LIBS-NO}" = NO; then
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -lpcap" >&5
-printf %s "checking for -lpcap... " >&6; }
-if test ${ac_cv_pcap_library_path+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -lpcap" >&5
+$as_echo_n "checking for -lpcap... " >&6; }
+if ${ac_cv_pcap_library_path+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
                 saveflags="$LDFLAGS"
                 savelibs="$LIBS"
@@ -17062,19 +15949,21 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char pcap_open_live ();
 int
-main (void)
+main ()
 {
 return pcap_open_live ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_pcap_library_path="found"
-else $as_nop
+else
   LDFLAGS="$saveflags -L/usr/local/lib"
                                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -17082,38 +15971,39 @@ else $as_nop
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char pcap_open_live ();
 int
-main (void)
+main ()
 {
 return pcap_open_live ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_pcap_library_path="-L/usr/local/lib"
-else $as_nop
+else
   ac_cv_pcap_library_path="not found"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
                 LDFLAGS="$saveflags"
                 LIBS="$savelibs"
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pcap_library_path" >&5
-printf "%s\n" "$ac_cv_pcap_library_path" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pcap_library_path" >&5
+$as_echo "$ac_cv_pcap_library_path" >&6; }
         else
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -lpcap in \"$PCAP_LIBS\"" >&5
-printf %s "checking for -lpcap in \"$PCAP_LIBS\"... " >&6; }
-if test ${ac_cv_pcap_library_path+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -lpcap in \"$PCAP_LIBS\"" >&5
+$as_echo_n "checking for -lpcap in \"$PCAP_LIBS\"... " >&6; }
+if ${ac_cv_pcap_library_path+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
                 saveflags="$LDFLAGS"
                 LDFLAGS="$saveflags $PCAP_LIBS"
@@ -17131,28 +16021,30 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char pcap_open_live ();
 int
-main (void)
+main ()
 {
 return pcap_open_live ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_pcap_library_path="$PCAP_LIBS"
-else $as_nop
+else
   ac_cv_pcap_library_path="not found"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
                 LDFLAGS="$saveflags"
                 LIBS="$savelibs"
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pcap_library_path" >&5
-printf "%s\n" "$ac_cv_pcap_library_path" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pcap_library_path" >&5
+$as_echo "$ac_cv_pcap_library_path" >&6; }
         fi
         if test "$ac_cv_pcap_library_path" = "found"; then
             PCAP_LIBS='-lpcap'
@@ -17168,53 +16060,32 @@ printf "%s\n" "$ac_cv_pcap_library_path" >&6; }
 
     if test "$HAVE_PCAP" = yes; then
 
-printf "%s\n" "#define HAVE_PCAP 1" >>confdefs.h
+$as_echo "#define HAVE_PCAP 1" >>confdefs.h
 
 
         savelibs="$LIBS"
         LIBS="$savelibs $PCAP_LIBS"
-        ac_fn_c_check_func "$LINENO" "pcap_inject" "ac_cv_func_pcap_inject"
-if test "x$ac_cv_func_pcap_inject" = xyes
-then :
-  printf "%s\n" "#define HAVE_PCAP_INJECT 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "pcap_sendpacket" "ac_cv_func_pcap_sendpacket"
-if test "x$ac_cv_func_pcap_sendpacket" = xyes
-then :
-  printf "%s\n" "#define HAVE_PCAP_SENDPACKET 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "pcap_setdirection" "ac_cv_func_pcap_setdirection"
-if test "x$ac_cv_func_pcap_setdirection" = xyes
-then :
-  printf "%s\n" "#define HAVE_PCAP_SETDIRECTION 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "pcap_setnonblock" "ac_cv_func_pcap_setnonblock"
-if test "x$ac_cv_func_pcap_setnonblock" = xyes
-then :
-  printf "%s\n" "#define HAVE_PCAP_SETNONBLOCK 1" >>confdefs.h
-
-fi
-ac_fn_c_check_func "$LINENO" "pcap_set_immediate_mode" "ac_cv_func_pcap_set_immediate_mode"
-if test "x$ac_cv_func_pcap_set_immediate_mode" = xyes
-then :
-  printf "%s\n" "#define HAVE_PCAP_SET_IMMEDIATE_MODE 1" >>confdefs.h
+        for ac_func in pcap_inject pcap_sendpacket pcap_setdirection pcap_setnonblock pcap_set_immediate_mode
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
 
 fi
+done
 
         LIBS="$savelibs"
     fi
 
 
 
-
 # Check whether --with-numa was given.
-if test ${with_numa+y}
-then :
+if test "${with_numa+set}" = set; then :
   withval=$with_numa; use_numa=$withval
-else $as_nop
+else
   use_numa=yes
 fi
 
@@ -17230,12 +16101,11 @@ fi
     HAVE_NUMA=no
 
     if test "$use_numa" != "no"; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing numa_available" >&5
-printf %s "checking for library containing numa_available... " >&6; }
-if test ${ac_cv_search_numa_available+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing numa_available" >&5
+$as_echo_n "checking for library containing numa_available... " >&6; }
+if ${ac_cv_search_numa_available+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -17243,84 +16113,80 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char numa_available ();
 int
-main (void)
+main ()
 {
 return numa_available ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' numa
-do
+for ac_lib in '' numa; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"
-then :
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_numa_available=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_numa_available+y}
-then :
+  if ${ac_cv_search_numa_available+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_numa_available+y}
-then :
+if ${ac_cv_search_numa_available+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_numa_available=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_numa_available" >&5
-printf "%s\n" "$ac_cv_search_numa_available" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_numa_available" >&5
+$as_echo "$ac_cv_search_numa_available" >&6; }
 ac_res=$ac_cv_search_numa_available
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   ac_have_libnuma=yes
-else $as_nop
+else
   ac_have_libnuma=no
 fi
 
 
         if test "$ac_have_libnuma" = yes; then
 
-printf "%s\n" "#define HAVE_NUMA 1" >>confdefs.h
+$as_echo "#define HAVE_NUMA 1" >>confdefs.h
 
             LDFLAGS="$LDFLAGS -Lnuma"
         fi
 
         if test "$HAVE_NUMA" = yes; then
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether numa.h works" >&5
-printf %s "checking whether numa.h works... " >&6; }
-if test ${ac_cv_working_numa_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+            { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether numa.h works" >&5
+$as_echo_n "checking whether numa.h works... " >&6; }
+if ${ac_cv_working_numa_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <numa.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"
-then :
+if ac_fn_c_try_cpp "$LINENO"; then :
   ac_cv_working_numa_h=yes
-else $as_nop
+else
   ac_cv_working_numa_h=no
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_numa_h" >&5
-printf "%s\n" "$ac_cv_working_numa_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_numa_h" >&5
+$as_echo "$ac_cv_working_numa_h" >&6; }
             test "$ac_cv_working_numa_h" != yes && HAVE_NUMA=
         fi
     fi
@@ -17330,10 +16196,9 @@ printf "%s\n" "$ac_cv_working_numa_h" >&6; }
 
 
 # Check whether --with-netmap was given.
-if test ${with_netmap+y}
-then :
+if test "${with_netmap+set}" = set; then :
   withval=$with_netmap; use_netmap=$withval
-else $as_nop
+else
   use_netmap=no
 fi
 
@@ -17351,55 +16216,52 @@ fi
     CPPFLAGS="$saveflags $NETMAP_INCLUDES"
 
     HAVE_NETMAP=no
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for net/netmap.h" >&5
-printf %s "checking for net/netmap.h... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for net/netmap.h" >&5
+$as_echo_n "checking for net/netmap.h... " >&6; }
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <net/netmap.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"
-then :
+if ac_fn_c_try_cpp "$LINENO"; then :
   ac_cv_net_netmap_header_path="found"
-else $as_nop
+else
   ac_cv_net_netmap_header_path="not found"
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_net_netmap_header_path" >&5
-printf "%s\n" "$ac_cv_net_netmap_header_path" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_net_netmap_header_path" >&5
+$as_echo "$ac_cv_net_netmap_header_path" >&6; }
 
     if test "$ac_cv_net_netmap_header_path" = "found"; then
         HAVE_NETMAP=yes
     fi
 
     if test "$HAVE_NETMAP" = yes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether net/netmap.h works" >&5
-printf %s "checking whether net/netmap.h works... " >&6; }
-if test ${ac_cv_working_net_netmap_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether net/netmap.h works" >&5
+$as_echo_n "checking whether net/netmap.h works... " >&6; }
+if ${ac_cv_working_net_netmap_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
             cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <net/netmap.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"
-then :
+if ac_fn_c_try_cpp "$LINENO"; then :
   ac_cv_working_net_netmap_h=yes
-else $as_nop
+else
   ac_cv_working_net_netmap_h=no
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_net_netmap_h" >&5
-printf "%s\n" "$ac_cv_working_net_netmap_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_net_netmap_h" >&5
+$as_echo "$ac_cv_working_net_netmap_h" >&6; }
         test "$ac_cv_working_net_netmap_h" != yes && HAVE_NETMAP=
     fi
 
     CPPFLAGS="$saveflags"
     if test "$HAVE_NETMAP" = yes -a "$use_netmap" != no; then
 
-printf "%s\n" "#define HAVE_NETMAP 1" >>confdefs.h
+$as_echo "#define HAVE_NETMAP 1" >>confdefs.h
 
         EXTRA_DRIVER_OBJS="netmapdevice.o $EXTRA_DRIVER_OBJS"
     else
@@ -17410,13 +16272,13 @@ printf "%s\n" "#define HAVE_NETMAP 1" >>confdefs.h
 
 
     if test "$HAVE_PCAP" != yes -a "$HAVE_NETMAP" != yes -a "$ac_cv_under_linux" != yes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 =========================================
 
 pcap.h and/or -lpcap not found; user-level driver can't steal packets.
 
 =========================================" >&5
-printf "%s\n" "$as_me: WARNING:
+$as_echo "$as_me: WARNING:
 =========================================
 
 pcap.h and/or -lpcap not found; user-level driver can't steal packets.
@@ -17424,7 +16286,7 @@ pcap.h and/or -lpcap not found; user-level driver can't steal packets.
 =========================================" >&2;}
             fi
     DRIVERS="$DRIVERS userlevel"
-    printf "%s\n" "#define HAVE_USERLEVEL_DRIVER 1" >>confdefs.h
+    $as_echo "#define HAVE_USERLEVEL_DRIVER 1" >>confdefs.h
 
     HAVE_USERLEVEL_DRIVER=1
 fi
@@ -17446,80 +16308,76 @@ if test "x$enable_netmap_pool" = "xyes"; then
 
 =========================================" "$LINENO" 5
     fi
-    printf "%s\n" "#define HAVE_NETMAP_PACKET_POOL 1" >>confdefs.h
+    $as_echo "#define HAVE_NETMAP_PACKET_POOL 1" >>confdefs.h
 
     HAVE_NETMAP_PACKET_POOL=yes
 
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether struct if_data has ifi_datalen" >&5
-printf %s "checking whether struct if_data has ifi_datalen... " >&6; }
-if test ${ac_cv_if_data_ifi_datalen+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct if_data has ifi_datalen" >&5
+$as_echo_n "checking whether struct if_data has ifi_datalen... " >&6; }
+if ${ac_cv_if_data_ifi_datalen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <net/if.h>
 #include <net/if_var.h>
 
 int
-main (void)
+main ()
 {
 struct if_msghdr ifm; ifm.ifm_data.ifi_datalen = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_if_data_ifi_datalen=yes
-else $as_nop
+else
   ac_cv_if_data_ifi_datalen=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_if_data_ifi_datalen" >&5
-printf "%s\n" "$ac_cv_if_data_ifi_datalen" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_if_data_ifi_datalen" >&5
+$as_echo "$ac_cv_if_data_ifi_datalen" >&6; }
 if test "x$ac_cv_if_data_ifi_datalen" = xyes; then
 
-printf "%s\n" "#define HAVE_IF_DATA_IFI_DATALEN 1" >>confdefs.h
+$as_echo "#define HAVE_IF_DATA_IFI_DATALEN 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether struct sockaddr_in has sin_len" >&5
-printf %s "checking whether struct sockaddr_in has sin_len... " >&6; }
-if test ${ac_cv_sockaddr_in_sin_len+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct sockaddr_in has sin_len" >&5
+$as_echo_n "checking whether struct sockaddr_in has sin_len... " >&6; }
+if ${ac_cv_sockaddr_in_sin_len+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/socket.h>
 #include <netinet/in.h>
 
 int
-main (void)
+main ()
 {
 struct sockaddr_in sin; sin.sin_len = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sockaddr_in_sin_len=yes
-else $as_nop
+else
   ac_cv_sockaddr_in_sin_len=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sockaddr_in_sin_len" >&5
-printf "%s\n" "$ac_cv_sockaddr_in_sin_len" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sockaddr_in_sin_len" >&5
+$as_echo "$ac_cv_sockaddr_in_sin_len" >&6; }
 if test "x$ac_cv_sockaddr_in_sin_len" = xyes; then
 
-printf "%s\n" "#define HAVE_SOCKADDR_IN_SIN_LEN 1" >>confdefs.h
+$as_echo "#define HAVE_SOCKADDR_IN_SIN_LEN 1" >>confdefs.h
 
 fi
 
@@ -17528,24 +16386,23 @@ fi
 explicit_proper=yes
 
 # Check whether --with-proper was given.
-if test ${with_proper+y}
-then :
+if test "${with_proper+set}" = set; then :
   withval=$with_proper; properprefix=$withval; if test -z "$withval" -o "$withval" = yes; then properprefix=; fi
-else $as_nop
+else
   properprefix=no; explicit_proper=no
 fi
 
 if test "$properprefix" != no; then
 
     saveflags="$CPPFLAGS"; test -n "$properprefix" && CPPFLAGS="$CPPFLAGS -I$properprefix/include"
-    ac_fn_c_check_header_compile "$LINENO" "prop.h" "ac_cv_header_prop_h" "$ac_includes_default"
-if test "x$ac_cv_header_prop_h" = xyes
-then :
+    ac_fn_c_check_header_mongrel "$LINENO" "prop.h" "ac_cv_header_prop_h" "$ac_includes_default"
+if test "x$ac_cv_header_prop_h" = xyes; then :
   have_prop_h=yes
-else $as_nop
+else
   have_prop_h=no
 fi
 
+
     CPPFLAGS="$saveflags"
 
     ac_ext=c
@@ -17555,12 +16412,11 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     saveflags="$LDFLAGS"; test -n "$properprefix" && LDFLAGS="$LDFLAGS -L$properprefix/lib"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for prop_open in -lproper" >&5
-printf %s "checking for prop_open in -lproper... " >&6; }
-if test ${ac_cv_lib_proper_prop_open+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for prop_open in -lproper" >&5
+$as_echo_n "checking for prop_open in -lproper... " >&6; }
+if ${ac_cv_lib_proper_prop_open+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lproper  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17569,31 +16425,32 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char prop_open ();
 int
-main (void)
+main ()
 {
 return prop_open ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_proper_prop_open=yes
-else $as_nop
+else
   ac_cv_lib_proper_prop_open=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_proper_prop_open" >&5
-printf "%s\n" "$ac_cv_lib_proper_prop_open" >&6; }
-if test "x$ac_cv_lib_proper_prop_open" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_proper_prop_open" >&5
+$as_echo "$ac_cv_lib_proper_prop_open" >&6; }
+if test "x$ac_cv_lib_proper_prop_open" = xyes; then :
   have_libproper=yes
-else $as_nop
+else
   have_libproper=no
 fi
 
@@ -17606,7 +16463,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
     if test $have_prop_h = yes -a $have_libproper = yes; then
-        printf "%s\n" "#define HAVE_PROPER 1" >>confdefs.h
+        $as_echo "#define HAVE_PROPER 1" >>confdefs.h
 
         test -n "$properprefix" && PROPER_INCLUDES="-I$properprefix/include" && PROPER_LIBS="-L$properprefix/lib"
         PROPER_LIBS="$PROPER_LIBS -lproper"
@@ -17630,10 +16487,9 @@ fi
 explicit_expat=yes
 
 # Check whether --with-expat was given.
-if test ${with_expat+y}
-then :
+if test "${with_expat+set}" = set; then :
   withval=$with_expat; expatprefix=$withval; if test -z "$withval" -o "$withval" = yes; then expatprefix=; fi
-else $as_nop
+else
   expatprefix=; explicit_expat=no
 fi
 
@@ -17641,14 +16497,14 @@ fi
 XML2CLICK=
 if test "$expatprefix" != no; then
     saveflags="$CPPFLAGS"; test -n "$expatprefix" && CPPFLAGS="$CPPFLAGS -I$expatprefix/include"
-    ac_fn_cxx_check_header_compile "$LINENO" "expat.h" "ac_cv_header_expat_h" "$ac_includes_default"
-if test "x$ac_cv_header_expat_h" = xyes
-then :
+    ac_fn_cxx_check_header_mongrel "$LINENO" "expat.h" "ac_cv_header_expat_h" "$ac_includes_default"
+if test "x$ac_cv_header_expat_h" = xyes; then :
   have_expat_h=yes
-else $as_nop
+else
   have_expat_h=no
 fi
 
+
     CPPFLAGS="$saveflags"
 
     ac_ext=c
@@ -17658,12 +16514,11 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     saveflags="$LDFLAGS"; test -n "$expatprefix" && LDFLAGS="$LDFLAGS -L$expatprefix/lib"
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for XML_ParserCreateNS in -lexpat" >&5
-printf %s "checking for XML_ParserCreateNS in -lexpat... " >&6; }
-if test ${ac_cv_lib_expat_XML_ParserCreateNS+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XML_ParserCreateNS in -lexpat" >&5
+$as_echo_n "checking for XML_ParserCreateNS in -lexpat... " >&6; }
+if ${ac_cv_lib_expat_XML_ParserCreateNS+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lexpat  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17672,38 +16527,39 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 char XML_ParserCreateNS ();
 int
-main (void)
+main ()
 {
 return XML_ParserCreateNS ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_expat_XML_ParserCreateNS=yes
-else $as_nop
+else
   ac_cv_lib_expat_XML_ParserCreateNS=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_expat_XML_ParserCreateNS" >&5
-printf "%s\n" "$ac_cv_lib_expat_XML_ParserCreateNS" >&6; }
-if test "x$ac_cv_lib_expat_XML_ParserCreateNS" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_expat_XML_ParserCreateNS" >&5
+$as_echo "$ac_cv_lib_expat_XML_ParserCreateNS" >&6; }
+if test "x$ac_cv_lib_expat_XML_ParserCreateNS" = xyes; then :
   have_libexpat=yes
-else $as_nop
+else
   have_libexpat=no
 fi
 
     LDFLAGS="$saveflags"
 
     if test $have_expat_h = yes -a $have_libexpat = yes; then
-        printf "%s\n" "#define HAVE_EXPAT 1" >>confdefs.h
+        $as_echo "#define HAVE_EXPAT 1" >>confdefs.h
 
         XML2CLICK=xml2click
         test -n "$expatprefix" && EXPAT_INCLUDES="-I$expatprefix/include" && EXPAT_LIBS="-L$expatprefix/lib"
@@ -17753,16 +16609,16 @@ if test $ac_have_linux_kernel = y; then
     if test -n "$LINUX_CFLAGS"; then
         :
     elif test $LINUXMODULE_2_6 = 1; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Linux kernel compilation flags" >&5
-printf %s "checking for Linux kernel compilation flags... " >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Linux kernel compilation flags" >&5
+$as_echo_n "checking for Linux kernel compilation flags... " >&6; }
         echo >conftest.c
         make -C $linux_builddir M="`pwd`" $linux_makeargs --no-print-directory -p conftest.o >conftest.dat 2>&1
         for v in KBUILD_CPPFLAGS KBUILD_CFLAGS CPPFLAGS CFLAGS LINUXINCLUDE debug_flags; do
             eval l$v="'""`grep ^$v' *:*=' conftest.dat | sed s/^$v' *:*= *//'`""'"
         done
         if test -z "$lKBUILD_CPPFLAGS$lKBUILD_CFLAGS$lCPPFLAGS$lCFLAGS$lLINUXINCLUDE"; then
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5
-printf "%s\n" "not found" >&6; }
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+$as_echo "not found" >&6; }
             as_fn_error $? "
 ==============================================
 
@@ -17779,16 +16635,16 @@ Can't find Linux compilation flags.
             -e 's,-std=[-a-z0-9+]*,,g' \
             -e s,-Werror-implicit-function-declaration,,g \
             -e 's,-W[^ ]*,,g' <conftest.dat`"
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LINUX_CFLAGS" >&5
-printf "%s\n" "$LINUX_CFLAGS" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LINUX_CFLAGS" >&5
+$as_echo "$LINUX_CFLAGS" >&6; }
         LINUX_DEBUG_FLAGS="$ldebug_flags"
     fi
 
     LINUX_FIXINCLUDES_PROGRAM=
     CLICKLINUX_FIXINCLUDES_PROGRAM=
     if test "$LINUXMODULE_FIXINCLUDES" = 1; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: making C++-safe versions of Linux kernel headers (may take a while)" >&5
-printf "%s\n" "$as_me: making C++-safe versions of Linux kernel headers (may take a while)" >&6;}
+        { $as_echo "$as_me:${as_lineno-$LINENO}: making C++-safe versions of Linux kernel headers (may take a while)" >&5
+$as_echo "$as_me: making C++-safe versions of Linux kernel headers (may take a while)" >&6;}
         mydir="`pwd`"
         mysrcdir="$srcdir"
         if expr $mysrcdir : / >/dev/null; then :; else mysrcdir="$mydir/$srcdir"; fi
@@ -17819,7 +16675,7 @@ click-linuxtool.pl execution failed.
     linux_autoconf_include=
     if test "$linux_version_code" -lt 132638; then
 
-printf "%s\n" "#define HAVE_CHECK_AUTOCONF_INCLUDED 1" >>confdefs.h
+$as_echo "#define HAVE_CHECK_AUTOCONF_INCLUDED 1" >>confdefs.h
 
         linux_autoconf_include="#if !defined(AUTOCONF_INCLUDED)
 # include <linux/autoconf.h>
@@ -17829,12 +16685,11 @@ printf "%s\n" "#define HAVE_CHECK_AUTOCONF_INCLUDED 1" >>confdefs.h
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++-includable kernel header files" >&5
-printf %s "checking for C++-includable kernel header files... " >&6; }
-if test ${ac_cv_cxx_aware_system+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++-includable kernel header files" >&5
+$as_echo_n "checking for C++-includable kernel header files... " >&6; }
+if ${ac_cv_cxx_aware_system+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -17864,33 +16719,32 @@ $linux_autoconf_include
 #include <linux/skbuff.h>
 #include <linux/sched.h>
 int
-main (void)
+main ()
 {
 return 0
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_cxx_aware_system=yes
-else $as_nop
+else
   ac_cv_cxx_aware_system=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_aware_system" >&5
-printf "%s\n" "$ac_cv_cxx_aware_system" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_aware_system" >&5
+$as_echo "$ac_cv_cxx_aware_system" >&6; }
 
     if test $ac_cv_cxx_aware_system = yes; then
         DRIVERS="$DRIVERS linuxmodule"
         TOOL_TARGETS="$TOOL_TARGETS click-install"
-        printf "%s\n" "#define HAVE_LINUXMODULE_DRIVER 1" >>confdefs.h
+        $as_echo "#define HAVE_LINUXMODULE_DRIVER 1" >>confdefs.h
 
         HAVE_LINUXMODULE_DRIVER=1
     elif test x$enable_linuxmodule_default = xyes; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
 =========================================
 
 Your Linux kernel header files cause errors when included by a C++ program,
@@ -17904,7 +16758,7 @@ try to fix the error. See the config.log file for more information on the
 error.
 
 =========================================" >&5
-printf "%s\n" "$as_me: WARNING:
+$as_echo "$as_me: WARNING:
 =========================================
 
 Your Linux kernel header files cause errors when included by a C++ program,
@@ -17942,12 +16796,11 @@ error.
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether long and int64_t are the same type in the Linux kernel" >&5
-printf %s "checking whether long and int64_t are the same type in the Linux kernel... " >&6; }
-if test ${ac_cv_long_64_linuxmodule+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether long and int64_t are the same type in the Linux kernel" >&5
+$as_echo_n "checking whether long and int64_t are the same type in the Linux kernel... " >&6; }
+if ${ac_cv_long_64_linuxmodule+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -17973,35 +16826,33 @@ void f1(long) {
 void f1(int64_t) { // will fail if long and int64_t are the same type
 }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_long_64_linuxmodule=no
-else $as_nop
+else
   ac_cv_long_64_linuxmodule=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_64_linuxmodule" >&5
-printf "%s\n" "$ac_cv_long_64_linuxmodule" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_64_linuxmodule" >&5
+$as_echo "$ac_cv_long_64_linuxmodule" >&6; }
     if test $ac_cv_long_64_linuxmodule = yes; then
 
-printf "%s\n" "#define HAVE_INT64_IS_LONG_LINUXMODULE 1" >>confdefs.h
+$as_echo "#define HAVE_INT64_IS_LONG_LINUXMODULE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether long long and int64_t are the same type in the Linux kernel" >&5
-printf %s "checking whether long long and int64_t are the same type in the Linux kernel... " >&6; }
-if test ${ac_cv_long_long_64_linuxmodule+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether long long and int64_t are the same type in the Linux kernel" >&5
+$as_echo_n "checking whether long long and int64_t are the same type in the Linux kernel... " >&6; }
+if ${ac_cv_long_long_64_linuxmodule+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18027,35 +16878,33 @@ void f1(long long) {
 void f1(int64_t) { // will fail if long long and int64_t are the same type
 }
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_long_long_64_linuxmodule=no
-else $as_nop
+else
   ac_cv_long_long_64_linuxmodule=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_long_64_linuxmodule" >&5
-printf "%s\n" "$ac_cv_long_long_64_linuxmodule" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_long_long_64_linuxmodule" >&5
+$as_echo "$ac_cv_long_long_64_linuxmodule" >&6; }
     if test $ac_cv_long_long_64_linuxmodule = yes; then
 
-printf "%s\n" "#define HAVE_INT64_IS_LONG_LONG_LINUXMODULE 1" >>confdefs.h
+$as_echo "#define HAVE_INT64_IS_LONG_LONG_LINUXMODULE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether uintptr_t is defined in the Linux kernel" >&5
-printf %s "checking whether uintptr_t is defined in the Linux kernel... " >&6; }
-if test ${ac_cv_uintptr_t_linuxmodule+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether uintptr_t is defined in the Linux kernel" >&5
+$as_echo_n "checking whether uintptr_t is defined in the Linux kernel... " >&6; }
+if ${ac_cv_uintptr_t_linuxmodule+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18078,32 +16927,31 @@ $linux_autoconf_include
 #include <linux/types.h>
 
 int
-main (void)
+main ()
 {
 uintptr_t i = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_uintptr_t_linuxmodule=yes
-else $as_nop
+else
   ac_cv_uintptr_t_linuxmodule=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_uintptr_t_linuxmodule" >&5
-printf "%s\n" "$ac_cv_uintptr_t_linuxmodule" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_uintptr_t_linuxmodule" >&5
+$as_echo "$ac_cv_uintptr_t_linuxmodule" >&6; }
     if test $ac_cv_uintptr_t_linuxmodule = yes; then
 
-printf "%s\n" "#define HAVE_UINTPTR_T_LINUXMODULE 1" >>confdefs.h
+$as_echo "#define HAVE_UINTPTR_T_LINUXMODULE 1" >>confdefs.h
 
     fi
 
 
 
-    ac_fn_check_decl "$LINENO" "atomic_cmpxchg" "ac_cv_have_decl_atomic_cmpxchg" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "atomic_cmpxchg" "ac_cv_have_decl_atomic_cmpxchg" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -18121,20 +16969,20 @@ printf "%s\n" "#define HAVE_UINTPTR_T_LINUXMODULE 1" >>confdefs.h
 $linux_autoconf_include
 #include <asm/types.h>
 #include <asm/atomic.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_atomic_cmpxchg" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_atomic_cmpxchg" = xyes; then :
   ac_cv_linux_atomic_cmpxchg=yes
-else $as_nop
+else
   ac_cv_linux_atomic_cmpxchg=no
 fi
+
     if test $ac_cv_linux_atomic_cmpxchg = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_ATOMIC_CMPXCHG 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_ATOMIC_CMPXCHG 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "atomic_set_mask" "ac_cv_have_decl_atomic_set_mask" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "atomic_set_mask" "ac_cv_have_decl_atomic_set_mask" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -18152,20 +17000,20 @@ printf "%s\n" "#define HAVE_LINUX_ATOMIC_CMPXCHG 1" >>confdefs.h
 $linux_autoconf_include
 #include <asm/types.h>
 #include <asm/atomic.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_atomic_set_mask" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_atomic_set_mask" = xyes; then :
   ac_cv_linux_atomic_set_mask=yes
-else $as_nop
+else
   ac_cv_linux_atomic_set_mask=no
 fi
+
     if test $ac_cv_linux_atomic_set_mask = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_ATOMIC_SET_MASK 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_ATOMIC_SET_MASK 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "atomic_add_return" "ac_cv_have_decl_atomic_add_return" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "atomic_add_return" "ac_cv_have_decl_atomic_add_return" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -18183,25 +17031,24 @@ printf "%s\n" "#define HAVE_LINUX_ATOMIC_SET_MASK 1" >>confdefs.h
 $linux_autoconf_include
 #include <asm/types.h>
 #include <asm/atomic.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_atomic_add_return" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_atomic_add_return" = xyes; then :
   ac_cv_linux_atomic_add_return=yes
-else $as_nop
+else
   ac_cv_linux_atomic_add_return=no
 fi
+
     if test $ac_cv_linux_atomic_add_return = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_ATOMIC_ADD_RETURN 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_ATOMIC_ADD_RETURN 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for <asm/alternative.h>" >&5
-printf %s "checking for <asm/alternative.h>... " >&6; }
-if test ${ac_cv_linux_asm_alternative_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for <asm/alternative.h>" >&5
+$as_echo_n "checking for <asm/alternative.h>... " >&6; }
+if ${ac_cv_linux_asm_alternative_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -18229,35 +17076,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <asm/alternative.h>
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_linux_asm_alternative_h=yes
-else $as_nop
+else
   ac_cv_linux_asm_alternative_h=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_asm_alternative_h" >&5
-printf "%s\n" "$ac_cv_linux_asm_alternative_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_asm_alternative_h" >&5
+$as_echo "$ac_cv_linux_asm_alternative_h" >&6; }
     if test $ac_cv_linux_asm_alternative_h = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_ASM_ALTERNATIVE_H 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_ASM_ALTERNATIVE_H 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for <asm/scatterlist.h>" >&5
-printf %s "checking for <asm/scatterlist.h>... " >&6; }
-if test ${ac_cv_linux_asm_scatterlist_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for <asm/scatterlist.h>" >&5
+$as_echo_n "checking for <asm/scatterlist.h>... " >&6; }
+if ${ac_cv_linux_asm_scatterlist_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -18285,35 +17130,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <asm/scatterlist.h>
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_linux_asm_scatterlist_h=yes
-else $as_nop
+else
   ac_cv_linux_asm_scatterlist_h=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_asm_scatterlist_h" >&5
-printf "%s\n" "$ac_cv_linux_asm_scatterlist_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_asm_scatterlist_h" >&5
+$as_echo "$ac_cv_linux_asm_scatterlist_h" >&6; }
     if test $ac_cv_linux_asm_scatterlist_h = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_ASM_SCATTERLIST_H 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_ASM_SCATTERLIST_H 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for <asm/system.h>" >&5
-printf %s "checking for <asm/system.h>... " >&6; }
-if test ${ac_cv_linux_asm_system_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for <asm/system.h>" >&5
+$as_echo_n "checking for <asm/system.h>... " >&6; }
+if ${ac_cv_linux_asm_system_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -18341,30 +17184,29 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <asm/system.h>
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_linux_asm_system_h=yes
-else $as_nop
+else
   ac_cv_linux_asm_system_h=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_asm_system_h" >&5
-printf "%s\n" "$ac_cv_linux_asm_system_h" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_asm_system_h" >&5
+$as_echo "$ac_cv_linux_asm_system_h" >&6; }
     if test $ac_cv_linux_asm_system_h = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_ASM_SYSTEM_H 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_ASM_SYSTEM_H 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "set_cpus_allowed_ptr" "ac_cv_have_decl_set_cpus_allowed_ptr" "#define KBUILD_STR(s) #s
+    ac_fn_c_check_decl "$LINENO" "set_cpus_allowed_ptr" "ac_cv_have_decl_set_cpus_allowed_ptr" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -18382,16 +17224,16 @@ printf "%s\n" "#define HAVE_LINUX_ASM_SYSTEM_H 1" >>confdefs.h
 $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/sched.h>
-" "$ac_c_undeclared_builtin_options" "CFLAGS"
-if test "x$ac_cv_have_decl_set_cpus_allowed_ptr" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_set_cpus_allowed_ptr" = xyes; then :
   ac_cv_linux_set_cpus_allowed_ptr=yes
-else $as_nop
+else
   ac_cv_linux_set_cpus_allowed_ptr=no
 fi
+
     if test $ac_cv_linux_set_cpus_allowed_ptr = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SET_CPUS_ALLOWED_PTR 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SET_CPUS_ALLOWED_PTR 1" >>confdefs.h
 
     fi
 
@@ -18403,12 +17245,11 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether struct sk_buff has a security member" >&5
-printf %s "checking whether struct sk_buff has a security member... " >&6; }
-if test ${ac_cv_linuxmodule_skbuff_security+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct sk_buff has a security member" >&5
+$as_echo_n "checking whether struct sk_buff has a security member... " >&6; }
+if ${ac_cv_linuxmodule_skbuff_security+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18430,35 +17271,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; s->security = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skbuff_security=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skbuff_security=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skbuff_security" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skbuff_security" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skbuff_security" >&5
+$as_echo "$ac_cv_linuxmodule_skbuff_security" >&6; }
     if test $ac_cv_linuxmodule_skbuff_security = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKBUFF_SECURITY 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKBUFF_SECURITY 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether struct sk_buff has an fclone member" >&5
-printf %s "checking whether struct sk_buff has an fclone member... " >&6; }
-if test ${ac_cv_linuxmodule_skbuff_fclone+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct sk_buff has an fclone member" >&5
+$as_echo_n "checking whether struct sk_buff has an fclone member... " >&6; }
+if ${ac_cv_linuxmodule_skbuff_fclone+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18480,35 +17319,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; s->fclone = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skbuff_fclone=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skbuff_fclone=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skbuff_fclone" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skbuff_fclone" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skbuff_fclone" >&5
+$as_echo "$ac_cv_linuxmodule_skbuff_fclone" >&6; }
     if test $ac_cv_linuxmodule_skbuff_fclone = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKBUFF_FCLONE 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKBUFF_FCLONE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a tso_size member" >&5
-printf %s "checking whether skb_shinfo has a tso_size member... " >&6; }
-if test ${ac_cv_linuxmodule_skb_shinfo_tso_size+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a tso_size member" >&5
+$as_echo_n "checking whether skb_shinfo has a tso_size member... " >&6; }
+if ${ac_cv_linuxmodule_skb_shinfo_tso_size+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18530,35 +17367,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; skb_shinfo(s)->tso_size = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skb_shinfo_tso_size=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skb_shinfo_tso_size=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_tso_size" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skb_shinfo_tso_size" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_tso_size" >&5
+$as_echo "$ac_cv_linuxmodule_skb_shinfo_tso_size" >&6; }
     if test $ac_cv_linuxmodule_skb_shinfo_tso_size = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKB_SHINFO_TSO_SIZE 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKB_SHINFO_TSO_SIZE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a gso_size member" >&5
-printf %s "checking whether skb_shinfo has a gso_size member... " >&6; }
-if test ${ac_cv_linuxmodule_skb_shinfo_gso_size+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a gso_size member" >&5
+$as_echo_n "checking whether skb_shinfo has a gso_size member... " >&6; }
+if ${ac_cv_linuxmodule_skb_shinfo_gso_size+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18580,35 +17415,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; skb_shinfo(s)->gso_size = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skb_shinfo_gso_size=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skb_shinfo_gso_size=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_gso_size" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skb_shinfo_gso_size" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_gso_size" >&5
+$as_echo "$ac_cv_linuxmodule_skb_shinfo_gso_size" >&6; }
     if test $ac_cv_linuxmodule_skb_shinfo_gso_size = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKB_SHINFO_GSO_SIZE 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKB_SHINFO_GSO_SIZE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a ufo_size member" >&5
-printf %s "checking whether skb_shinfo has a ufo_size member... " >&6; }
-if test ${ac_cv_linuxmodule_skb_shinfo_ufo_size+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a ufo_size member" >&5
+$as_echo_n "checking whether skb_shinfo has a ufo_size member... " >&6; }
+if ${ac_cv_linuxmodule_skb_shinfo_ufo_size+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18630,35 +17463,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; skb_shinfo(s)->ufo_size = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skb_shinfo_ufo_size=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skb_shinfo_ufo_size=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_ufo_size" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skb_shinfo_ufo_size" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_ufo_size" >&5
+$as_echo "$ac_cv_linuxmodule_skb_shinfo_ufo_size" >&6; }
     if test $ac_cv_linuxmodule_skb_shinfo_ufo_size = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKB_SHINFO_UFO_SIZE 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKB_SHINFO_UFO_SIZE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has an ip6_frag_id member" >&5
-printf %s "checking whether skb_shinfo has an ip6_frag_id member... " >&6; }
-if test ${ac_cv_linuxmodule_skb_shinfo_ip6_frag_id+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has an ip6_frag_id member" >&5
+$as_echo_n "checking whether skb_shinfo has an ip6_frag_id member... " >&6; }
+if ${ac_cv_linuxmodule_skb_shinfo_ip6_frag_id+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18680,35 +17511,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; skb_shinfo(s)->ip6_frag_id = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skb_shinfo_ip6_frag_id=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skb_shinfo_ip6_frag_id=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_ip6_frag_id" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skb_shinfo_ip6_frag_id" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_ip6_frag_id" >&5
+$as_echo "$ac_cv_linuxmodule_skb_shinfo_ip6_frag_id" >&6; }
     if test $ac_cv_linuxmodule_skb_shinfo_ip6_frag_id = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKB_SHINFO_IP6_FRAG_ID 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKB_SHINFO_IP6_FRAG_ID 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has tx_flags defining SKBTX_DEV_ZEROCOPY" >&5
-printf %s "checking whether skb_shinfo has tx_flags defining SKBTX_DEV_ZEROCOPY... " >&6; }
-if test ${ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has tx_flags defining SKBTX_DEV_ZEROCOPY" >&5
+$as_echo_n "checking whether skb_shinfo has tx_flags defining SKBTX_DEV_ZEROCOPY... " >&6; }
+if ${ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18730,35 +17559,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; skb_shinfo(s)->tx_flags = SKBTX_DEV_ZEROCOPY;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy" >&5
+$as_echo "$ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy" >&6; }
     if test $ac_cv_linuxmodule_skb_shinfo_tx_flags_skbtx_dev_zerocopy = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKB_SHINFO_TX_FLAGS_SKBTX_DEV_ZEROCOPY 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKB_SHINFO_TX_FLAGS_SKBTX_DEV_ZEROCOPY 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a tx_flags union" >&5
-printf %s "checking whether skb_shinfo has a tx_flags union... " >&6; }
-if test ${ac_cv_linuxmodule_skb_shinfo_tx_flags_union+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether skb_shinfo has a tx_flags union" >&5
+$as_echo_n "checking whether skb_shinfo has a tx_flags union... " >&6; }
+if ${ac_cv_linuxmodule_skb_shinfo_tx_flags_union+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18780,35 +17607,33 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *s; skb_shinfo(s)->tx_flags.flags = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_skb_shinfo_tx_flags_union=yes
-else $as_nop
+else
   ac_cv_linuxmodule_skb_shinfo_tx_flags_union=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_tx_flags_union" >&5
-printf "%s\n" "$ac_cv_linuxmodule_skb_shinfo_tx_flags_union" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_skb_shinfo_tx_flags_union" >&5
+$as_echo "$ac_cv_linuxmodule_skb_shinfo_tx_flags_union" >&6; }
     if test $ac_cv_linuxmodule_skb_shinfo_tx_flags_union = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SKB_SHINFO_TX_FLAGS_UNION 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SKB_SHINFO_TX_FLAGS_UNION 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for device polling kernel extension" >&5
-printf %s "checking for device polling kernel extension... " >&6; }
-if test ${ac_cv_linuxmodule_net_device_polling+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for device polling kernel extension" >&5
+$as_echo_n "checking for device polling kernel extension... " >&6; }
+if ${ac_cv_linuxmodule_net_device_polling+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18830,30 +17655,29 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/netdevice.h>
 int
-main (void)
+main ()
 {
 extern struct net_device *d; d->polling = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_net_device_polling=yes
-else $as_nop
+else
   ac_cv_linuxmodule_net_device_polling=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_net_device_polling" >&5
-printf "%s\n" "$ac_cv_linuxmodule_net_device_polling" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_net_device_polling" >&5
+$as_echo "$ac_cv_linuxmodule_net_device_polling" >&6; }
     if test $ac_cv_linuxmodule_net_device_polling = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_POLLING 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_POLLING 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "skb_dst_drop" "ac_cv_have_decl_skb_dst_drop" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "skb_dst_drop" "ac_cv_have_decl_skb_dst_drop" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -18871,20 +17695,20 @@ printf "%s\n" "#define HAVE_LINUX_POLLING 1" >>confdefs.h
 $linux_autoconf_include
 #include <asm/types.h>
 #include <net/dst.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_skb_dst_drop" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_skb_dst_drop" = xyes; then :
   ac_cv_skb_dst_drop=yes
-else $as_nop
+else
   ac_cv_skb_dst_drop=no
 fi
+
     if test $ac_cv_skb_dst_drop = yes; then
 
-printf "%s\n" "#define HAVE_SKB_DST_DROP 1" >>confdefs.h
+$as_echo "#define HAVE_SKB_DST_DROP 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "skb_recycle" "ac_cv_have_decl_skb_recycle" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "skb_recycle" "ac_cv_have_decl_skb_recycle" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -18902,20 +17726,20 @@ printf "%s\n" "#define HAVE_SKB_DST_DROP 1" >>confdefs.h
 $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_skb_recycle" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_skb_recycle" = xyes; then :
   ac_cv_skb_recycle=yes
-else $as_nop
+else
   ac_cv_skb_recycle=no
 fi
+
     if test $ac_cv_skb_recycle = yes; then
 
-printf "%s\n" "#define HAVE_SKB_RECYCLE 1" >>confdefs.h
+$as_echo "#define HAVE_SKB_RECYCLE 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "skb_recycle_check" "ac_cv_have_decl_skb_recycle_check" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "skb_recycle_check" "ac_cv_have_decl_skb_recycle_check" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -18933,28 +17757,27 @@ printf "%s\n" "#define HAVE_SKB_RECYCLE 1" >>confdefs.h
 $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_skb_recycle_check" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_skb_recycle_check" = xyes; then :
   ac_cv_skb_recycle_check=yes
-else $as_nop
+else
   ac_cv_skb_recycle_check=no
 fi
+
     if test $ac_cv_skb_recycle_check = yes; then
 
-printf "%s\n" "#define HAVE_SKB_RECYCLE_CHECK 1" >>confdefs.h
+$as_echo "#define HAVE_SKB_RECYCLE_CHECK 1" >>confdefs.h
 
     fi
 
 save_cflags="$CFLAGS"
 CFLAGS="$save_cflags -Werror-implicit-function-declaration"
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether skb_recycle returns an sk_buff" >&5
-printf %s "checking whether skb_recycle returns an sk_buff... " >&6; }
-if test ${ac_cv_linuxmodule_click_skb_recycle+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether skb_recycle returns an sk_buff" >&5
+$as_echo_n "checking whether skb_recycle returns an sk_buff... " >&6; }
+if ${ac_cv_linuxmodule_click_skb_recycle+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -18976,32 +17799,31 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 int
-main (void)
+main ()
 {
 extern struct sk_buff *b; b = skb_recycle(b);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_click_skb_recycle=yes
-else $as_nop
+else
   ac_cv_linuxmodule_click_skb_recycle=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_click_skb_recycle" >&5
-printf "%s\n" "$ac_cv_linuxmodule_click_skb_recycle" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_click_skb_recycle" >&5
+$as_echo "$ac_cv_linuxmodule_click_skb_recycle" >&6; }
     if test $ac_cv_linuxmodule_click_skb_recycle = yes; then
 
-printf "%s\n" "#define HAVE_CLICK_SKB_RECYCLE 1" >>confdefs.h
+$as_echo "#define HAVE_CLICK_SKB_RECYCLE 1" >>confdefs.h
 
     fi
 
 CFLAGS="$save_cflags"
 
-    ac_fn_check_decl "$LINENO" "skb_linearize" "ac_cv_have_decl_skb_linearize" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "skb_linearize" "ac_cv_have_decl_skb_linearize" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19019,25 +17841,24 @@ CFLAGS="$save_cflags"
 $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_skb_linearize" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_skb_linearize" = xyes; then :
   ac_cv_skb_linearize=yes
-else $as_nop
+else
   ac_cv_skb_linearize=no
 fi
+
     if test $ac_cv_skb_linearize = yes; then
 
-printf "%s\n" "#define HAVE_SKB_LINEARIZE 1" >>confdefs.h
+$as_echo "#define HAVE_SKB_LINEARIZE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether netif_receive_skb has been extended" >&5
-printf %s "checking whether netif_receive_skb has been extended... " >&6; }
-if test ${ac_cv_linuxmodule_netif_receive_skb_extended+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether netif_receive_skb has been extended" >&5
+$as_echo_n "checking whether netif_receive_skb has been extended... " >&6; }
+if ${ac_cv_linuxmodule_netif_receive_skb_extended+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define KBUILD_STR(s) #s
@@ -19059,30 +17880,29 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/netdevice.h>
 int
-main (void)
+main ()
 {
 netif_receive_skb(0, 0, 0);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_netif_receive_skb_extended=yes
-else $as_nop
+else
   ac_cv_linuxmodule_netif_receive_skb_extended=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_netif_receive_skb_extended" >&5
-printf "%s\n" "$ac_cv_linuxmodule_netif_receive_skb_extended" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_netif_receive_skb_extended" >&5
+$as_echo "$ac_cv_linuxmodule_netif_receive_skb_extended" >&6; }
     if test $ac_cv_linuxmodule_netif_receive_skb_extended = yes; then
 
-printf "%s\n" "#define HAVE_NETIF_RECEIVE_SKB_EXTENDED 1" >>confdefs.h
+$as_echo "#define HAVE_NETIF_RECEIVE_SKB_EXTENDED 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "net_enable_timestamp" "ac_cv_have_decl_net_enable_timestamp" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "net_enable_timestamp" "ac_cv_have_decl_net_enable_timestamp" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19101,20 +17921,20 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_net_enable_timestamp" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_net_enable_timestamp" = xyes; then :
   ac_cv_net_enable_timestamp=yes
-else $as_nop
+else
   ac_cv_net_enable_timestamp=no
 fi
+
     if test $ac_cv_net_enable_timestamp = yes; then
 
-printf "%s\n" "#define HAVE_NET_ENABLE_TIMESTAMP 1" >>confdefs.h
+$as_echo "#define HAVE_NET_ENABLE_TIMESTAMP 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "netif_tx_lock" "ac_cv_have_decl_netif_tx_lock" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "netif_tx_lock" "ac_cv_have_decl_netif_tx_lock" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19133,20 +17953,20 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_netif_tx_lock" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_netif_tx_lock" = xyes; then :
   ac_cv_netif_tx_lock=yes
-else $as_nop
+else
   ac_cv_netif_tx_lock=no
 fi
+
     if test $ac_cv_netif_tx_lock = yes; then
 
-printf "%s\n" "#define HAVE_NETIF_TX_LOCK 1" >>confdefs.h
+$as_echo "#define HAVE_NETIF_TX_LOCK 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "netdev_get_tx_queue" "ac_cv_have_decl_netdev_get_tx_queue" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "netdev_get_tx_queue" "ac_cv_have_decl_netdev_get_tx_queue" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19165,20 +17985,20 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_netdev_get_tx_queue" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_netdev_get_tx_queue" = xyes; then :
   ac_cv_netdev_get_tx_queue=yes
-else $as_nop
+else
   ac_cv_netdev_get_tx_queue=no
 fi
+
     if test $ac_cv_netdev_get_tx_queue = yes; then
 
-printf "%s\n" "#define HAVE_NETDEV_GET_TX_QUEUE 1" >>confdefs.h
+$as_echo "#define HAVE_NETDEV_GET_TX_QUEUE 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "netif_tx_queue_frozen" "ac_cv_have_decl_netif_tx_queue_frozen" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "netif_tx_queue_frozen" "ac_cv_have_decl_netif_tx_queue_frozen" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19197,20 +18017,20 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_netif_tx_queue_frozen" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_netif_tx_queue_frozen" = xyes; then :
   ac_cv_netif_tx_queue_frozen=yes
-else $as_nop
+else
   ac_cv_netif_tx_queue_frozen=no
 fi
+
     if test $ac_cv_netif_tx_queue_frozen = yes; then
 
-printf "%s\n" "#define HAVE_NETIF_TX_QUEUE_FROZEN 1" >>confdefs.h
+$as_echo "#define HAVE_NETIF_TX_QUEUE_FROZEN 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "netdev_uses_dsa_tags" "ac_cv_have_decl_netdev_uses_dsa_tags" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "netdev_uses_dsa_tags" "ac_cv_have_decl_netdev_uses_dsa_tags" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19229,20 +18049,20 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_netdev_uses_dsa_tags" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_netdev_uses_dsa_tags" = xyes; then :
   ac_cv_netdev_uses_dsa_tags=yes
-else $as_nop
+else
   ac_cv_netdev_uses_dsa_tags=no
 fi
+
     if test $ac_cv_netdev_uses_dsa_tags = yes; then
 
-printf "%s\n" "#define HAVE_NETDEV_USES_DSA_TAGS 1" >>confdefs.h
+$as_echo "#define HAVE_NETDEV_USES_DSA_TAGS 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "netdev_uses_trailer_tags" "ac_cv_have_decl_netdev_uses_trailer_tags" "#define KBUILD_STR(s) #s
+    ac_fn_cxx_check_decl "$LINENO" "netdev_uses_trailer_tags" "ac_cv_have_decl_netdev_uses_trailer_tags" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19261,97 +18081,92 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-" "$ac_cxx_undeclared_builtin_options" "CXXFLAGS"
-if test "x$ac_cv_have_decl_netdev_uses_trailer_tags" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_netdev_uses_trailer_tags" = xyes; then :
   ac_cv_netdev_uses_trailer_tags=yes
-else $as_nop
+else
   ac_cv_netdev_uses_trailer_tags=no
 fi
+
     if test $ac_cv_netdev_uses_trailer_tags = yes; then
 
-printf "%s\n" "#define HAVE_NETDEV_USES_TRAILER_TAGS 1" >>confdefs.h
+$as_echo "#define HAVE_NETDEV_USES_TRAILER_TAGS 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for netdev_rx_handler_register kernel symbol" >&5
-printf %s "checking for netdev_rx_handler_register kernel symbol... " >&6; }
-if test ${ac_cv_linux_netdev_rx_handler_register+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for netdev_rx_handler_register kernel symbol" >&5
+$as_echo_n "checking for netdev_rx_handler_register kernel symbol... " >&6; }
+if ${ac_cv_linux_netdev_rx_handler_register+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_netdev_rx_handler_register" $linux_system_map >/dev/null 2>&1; then
         ac_cv_linux_netdev_rx_handler_register=yes
     else ac_cv_linux_netdev_rx_handler_register=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_netdev_rx_handler_register" >&5
-printf "%s\n" "$ac_cv_linux_netdev_rx_handler_register" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_netdev_rx_handler_register" >&5
+$as_echo "$ac_cv_linux_netdev_rx_handler_register" >&6; }
     if test $ac_cv_linux_netdev_rx_handler_register = yes; then
-        printf "%s\n" "#define HAVE_LINUX_NETDEV_RX_HANDLER_REGISTER 1" >>confdefs.h
+        $as_echo "#define HAVE_LINUX_NETDEV_RX_HANDLER_REGISTER 1" >>confdefs.h
 
     fi
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for get_monotonic_coarse kernel symbol" >&5
-printf %s "checking for get_monotonic_coarse kernel symbol... " >&6; }
-if test ${ac_cv_linux_get_monotonic_coarse+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for get_monotonic_coarse kernel symbol" >&5
+$as_echo_n "checking for get_monotonic_coarse kernel symbol... " >&6; }
+if ${ac_cv_linux_get_monotonic_coarse+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep '__ksymtab_get_monotonic_coarse$' $linux_system_map >/dev/null 2>&1; then
         ac_cv_linux_get_monotonic_coarse=yes
     else ac_cv_linux_get_monotonic_coarse=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_get_monotonic_coarse" >&5
-printf "%s\n" "$ac_cv_linux_get_monotonic_coarse" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_get_monotonic_coarse" >&5
+$as_echo "$ac_cv_linux_get_monotonic_coarse" >&6; }
     if test $ac_cv_linux_get_monotonic_coarse = yes; then
-        printf "%s\n" "#define HAVE_LINUX_GET_MONOTONIC_COARSE 1" >>confdefs.h
+        $as_echo "#define HAVE_LINUX_GET_MONOTONIC_COARSE 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ktime_mono_to_any kernel symbol" >&5
-printf %s "checking for ktime_mono_to_any kernel symbol... " >&6; }
-if test ${ac_cv_linux_ktime_mono_to_any+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ktime_mono_to_any kernel symbol" >&5
+$as_echo_n "checking for ktime_mono_to_any kernel symbol... " >&6; }
+if ${ac_cv_linux_ktime_mono_to_any+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep '__ksymtab_ktime_mono_to_any$' $linux_system_map >/dev/null 2>&1; then
         ac_cv_linux_ktime_mono_to_any=yes
     else ac_cv_linux_ktime_mono_to_any=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_ktime_mono_to_any" >&5
-printf "%s\n" "$ac_cv_linux_ktime_mono_to_any" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_ktime_mono_to_any" >&5
+$as_echo "$ac_cv_linux_ktime_mono_to_any" >&6; }
     if test $ac_cv_linux_ktime_mono_to_any = yes; then
-        printf "%s\n" "#define HAVE_LINUX_KTIME_MONO_TO_ANY 1" >>confdefs.h
+        $as_echo "#define HAVE_LINUX_KTIME_MONO_TO_ANY 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getboottime kernel symbol" >&5
-printf %s "checking for getboottime kernel symbol... " >&6; }
-if test ${ac_cv_linux_getboottime+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getboottime kernel symbol" >&5
+$as_echo_n "checking for getboottime kernel symbol... " >&6; }
+if ${ac_cv_linux_getboottime+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if grep "__ksymtab_getboottime" $linux_system_map >/dev/null 2>&1; then
         ac_cv_linux_getboottime=yes
     else ac_cv_linux_getboottime=no; fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_getboottime" >&5
-printf "%s\n" "$ac_cv_linux_getboottime" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linux_getboottime" >&5
+$as_echo "$ac_cv_linux_getboottime" >&6; }
     if test $ac_cv_linux_getboottime = yes; then
-        printf "%s\n" "#define HAVE_LINUX_GETBOOTTIME 1" >>confdefs.h
+        $as_echo "#define HAVE_LINUX_GETBOOTTIME 1" >>confdefs.h
 
     fi
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether struct super_block has an s_d_op member" >&5
-printf %s "checking whether struct super_block has an s_d_op member... " >&6; }
-if test ${ac_cv_linuxmodule_super_block_s_d_op+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct super_block has an s_d_op member" >&5
+$as_echo_n "checking whether struct super_block has an s_d_op member... " >&6; }
+if ${ac_cv_linuxmodule_super_block_s_d_op+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -19379,30 +18194,29 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/fs.h>
 int
-main (void)
+main ()
 {
 extern struct super_block *sb; sb->s_d_op = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_super_block_s_d_op=yes
-else $as_nop
+else
   ac_cv_linuxmodule_super_block_s_d_op=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_super_block_s_d_op" >&5
-printf "%s\n" "$ac_cv_linuxmodule_super_block_s_d_op" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_super_block_s_d_op" >&5
+$as_echo "$ac_cv_linuxmodule_super_block_s_d_op" >&6; }
     if test $ac_cv_linuxmodule_super_block_s_d_op = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_SUPER_BLOCK_S_D_OP 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_SUPER_BLOCK_S_D_OP 1" >>confdefs.h
 
     fi
 
-    ac_fn_check_decl "$LINENO" "d_make_root" "ac_cv_have_decl_d_make_root" "#define KBUILD_STR(s) #s
+    ac_fn_c_check_decl "$LINENO" "d_make_root" "ac_cv_have_decl_d_make_root" "#define KBUILD_STR(s) #s
 #define KBUILD_BASENAME KBUILD_STR(click)
 #define KBUILD_MODNAME KBUILD_STR(click)
 #define new linux_new
@@ -19421,25 +18235,24 @@ $linux_autoconf_include
 #include <asm/types.h>
 #include <linux/fs.h>
 #include <linux/dcache.h>
-" "$ac_c_undeclared_builtin_options" "CFLAGS"
-if test "x$ac_cv_have_decl_d_make_root" = xyes
-then :
+"
+if test "x$ac_cv_have_decl_d_make_root" = xyes; then :
   ac_cv_linux_d_make_root=yes
-else $as_nop
+else
   ac_cv_linux_d_make_root=no
 fi
+
     if test $ac_cv_linux_d_make_root = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_D_MAKE_ROOT 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_D_MAKE_ROOT 1" >>confdefs.h
 
     fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether struct dentry has a d_child member" >&5
-printf %s "checking whether struct dentry has a d_child member... " >&6; }
-if test ${ac_cv_linuxmodule_dentry_d_child+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct dentry has a d_child member" >&5
+$as_echo_n "checking whether struct dentry has a d_child member... " >&6; }
+if ${ac_cv_linuxmodule_dentry_d_child+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -19468,26 +18281,25 @@ $linux_autoconf_include
 #include <linux/fs.h>
 #include <linux/dcache.h>
 int
-main (void)
+main ()
 {
 extern struct dentry* de; de->d_child.next = 0;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_linuxmodule_dentry_d_child=yes
-else $as_nop
+else
   ac_cv_linuxmodule_dentry_d_child=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_dentry_d_child" >&5
-printf "%s\n" "$ac_cv_linuxmodule_dentry_d_child" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_linuxmodule_dentry_d_child" >&5
+$as_echo "$ac_cv_linuxmodule_dentry_d_child" >&6; }
     if test $ac_cv_linuxmodule_dentry_d_child = yes; then
 
-printf "%s\n" "#define HAVE_LINUX_DENTRY_D_CHILD 1" >>confdefs.h
+$as_echo "#define HAVE_LINUX_DENTRY_D_CHILD 1" >>confdefs.h
 
     fi
 
@@ -19507,7 +18319,7 @@ if test $ac_have_bsd_kernel = y; then
     if echo "$DRIVERS" | grep linuxmodule >/dev/null 2>&1; then :; else
         TOOL_TARGETS="$TOOL_TARGETS click-install"
     fi
-    printf "%s\n" "#define HAVE_BSDMODULE_DRIVER 1" >>confdefs.h
+    $as_echo "#define HAVE_BSDMODULE_DRIVER 1" >>confdefs.h
 
     HAVE_BSDMODULE_DRIVER=1
 fi
@@ -19522,7 +18334,7 @@ fi
 
 if test "x$enable_minios" = xyes; then
     DRIVERS="$DRIVERS minios"
-    printf "%s\n" "#define HAVE_MINIOS_DRIVER 1" >>confdefs.h
+    $as_echo "#define HAVE_MINIOS_DRIVER 1" >>confdefs.h
 
     HAVE_MINIOS_DRIVER=1
 fi
@@ -19535,8 +18347,7 @@ fi
 
 
 
-
-  # Find a good install program.  We prefer a C program (faster),
+# Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
 # incompatible versions:
 # SysV /etc/install, /usr/sbin/install
@@ -19550,25 +18361,20 @@ fi
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
 # Reject install programs that cannot install multiple files.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
-printf %s "checking for a BSD-compatible install... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test ${ac_cv_path_install+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+if ${ac_cv_path_install+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    # Account for fact that we put trailing slashes in our PATH walk.
-case $as_dir in #((
-  ./ | /[cC]/* | \
+  test -z "$as_dir" && as_dir=.
+    # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+  ./ | .// | /[cC]/* | \
   /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
   ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
   /usr/ucb/* ) ;;
@@ -19578,13 +18384,13 @@ case $as_dir in #((
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext"; then
+	if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
 	  if test $ac_prog = install &&
-	    grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
 	    :
 	  elif test $ac_prog = install &&
-	    grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # program-specific install script used by HP pwplus--don't use.
 	    :
 	  else
@@ -19592,12 +18398,12 @@ case $as_dir in #((
 	    echo one > conftest.one
 	    echo two > conftest.two
 	    mkdir conftest.dir
-	    if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" &&
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
 	      test -s conftest.one && test -s conftest.two &&
 	      test -s conftest.dir/conftest.one &&
 	      test -s conftest.dir/conftest.two
 	    then
-	      ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c"
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
 	      break 3
 	    fi
 	  fi
@@ -19613,7 +18419,7 @@ IFS=$as_save_IFS
 rm -rf conftest.one conftest.two conftest.dir
 
 fi
-  if test ${ac_cv_path_install+y}; then
+  if test "${ac_cv_path_install+set}" = set; then
     INSTALL=$ac_cv_path_install
   else
     # As a last resort, use the slow shell script.  Don't cache a
@@ -19623,8 +18429,8 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
-printf "%s\n" "$INSTALL" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
 # It thinks the first close brace ends the variable substitution.
@@ -19636,17 +18442,17 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether install accepts -C" >&5
-printf %s "checking whether install accepts -C... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether install accepts -C" >&5
+$as_echo_n "checking whether install accepts -C... " >&6; }
     echo X > conftest.1
     if $INSTALL -C conftest.1 conftest.2 >/dev/null 2>&1; then
         INSTALL_IF_CHANGED='${INSTALL} -C'
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
     else
         INSTALL_IF_CHANGED='${top_builddir}/installch'
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
     fi
     rm -f conftest.1 conftest.2
 
@@ -19659,12 +18465,11 @@ printf "%s\n" "no" >&6; }
 
 
     if test "${GMAKE-NO}" = NO; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU make" >&5
-printf %s "checking for GNU make... " >&6; }
-if test ${ac_cv_gnu_make+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU make" >&5
+$as_echo_n "checking for GNU make... " >&6; }
+if ${ac_cv_gnu_make+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if /bin/sh -c 'make -f /dev/null -n --version | grep GNU' >/dev/null 2>/dev/null; then
             ac_cv_gnu_make='make'
         elif /bin/sh -c 'gmake -f /dev/null -n --version | grep GNU' >/dev/null 2>/dev/null; then
@@ -19673,8 +18478,8 @@ else $as_nop
             ac_cv_gnu_make='not found'
         fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gnu_make" >&5
-printf "%s\n" "$ac_cv_gnu_make" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_gnu_make" >&5
+$as_echo "$ac_cv_gnu_make" >&6; }
         test "$ac_cv_gnu_make" != 'not found' && GMAKE="$ac_cv_gnu_make"
     else
         /bin/sh -c '$GMAKE -f /dev/null -n --version | grep GNU' >/dev/null 2>/dev/null || GMAKE='1'
@@ -19686,22 +18491,22 @@ printf "%s\n" "$ac_cv_gnu_make" >&6; }
 
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working autoconf" >&5
-printf %s "checking for working autoconf... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working autoconf" >&5
+$as_echo_n "checking for working autoconf... " >&6; }
     AUTOCONF="${AUTOCONF-autoconf}"
     if ($AUTOCONF --version) < /dev/null > conftest.out 2>&1; then
         if test `head -n 1 conftest.out | sed 's/.*2\.\([0-9]*\).*/\1/'` -ge 13 2>/dev/null; then
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5
-printf "%s\n" "found" >&6; }
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
         else
             AUTOCONF='$(conf_auxdir)/missing autoconf'
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: old" >&5
-printf "%s\n" "old" >&6; }
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: old" >&5
+$as_echo "old" >&6; }
         fi
     else
         AUTOCONF='$(conf_auxdir)/missing autoconf'
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing" >&5
-printf "%s\n" "missing" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
     fi
 
 
@@ -19713,12 +18518,11 @@ printf "%s\n" "missing" >&6; }
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_perl5+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_perl5+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$perl5"; then
   ac_cv_prog_perl5="$perl5" # Let the user override the test.
 else
@@ -19726,15 +18530,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_perl5="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -19745,11 +18545,11 @@ fi
 fi
 perl5=$ac_cv_prog_perl5
 if test -n "$perl5"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $perl5" >&5
-printf "%s\n" "$perl5" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $perl5" >&5
+$as_echo "$perl5" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -19763,12 +18563,11 @@ test -n "$perl5" || perl5="missing"
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_localperl5+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_localperl5+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$localperl5"; then
   ac_cv_prog_localperl5="$localperl5" # Let the user override the test.
 else
@@ -19776,15 +18575,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in /usr/local/bin
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_localperl5="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -19795,11 +18590,11 @@ fi
 fi
 localperl5=$ac_cv_prog_localperl5
 if test -n "$localperl5"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $localperl5" >&5
-printf "%s\n" "$localperl5" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $localperl5" >&5
+$as_echo "$localperl5" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -19827,12 +18622,11 @@ for ac_prog in gawk mawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_AWK+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AWK+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
 else
@@ -19840,15 +18634,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_AWK="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -19859,23 +18649,22 @@ fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
-printf "%s\n" "$AWK" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
   test -n "$AWK" && break
 done
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-printf %s "checking for grep that handles long lines and -e... " >&6; }
-if test ${ac_cv_path_GREP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if ${ac_cv_path_GREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
@@ -19883,15 +18672,10 @@ else $as_nop
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_prog in grep ggrep
-   do
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
@@ -19900,13 +18684,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  printf %s 0123456789 >"conftest.in"
+  $as_echo_n 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    printf "%s\n" 'GREP' >> "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -19934,17 +18718,16 @@ else
 fi
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-printf "%s\n" "$ac_cv_path_GREP" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-printf %s "checking for egrep... " >&6; }
-if test ${ac_cv_path_EGREP+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if ${ac_cv_path_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
@@ -19955,15 +18738,10 @@ else $as_nop
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_prog in egrep
-   do
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
@@ -19972,13 +18750,13 @@ case `"$ac_path_EGREP" --version 2>&1` in
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  printf %s 0123456789 >"conftest.in"
+  $as_echo_n 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    printf "%s\n" 'EGREP' >> "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -20007,8 +18785,8 @@ fi
 
    fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-printf "%s\n" "$ac_cv_path_EGREP" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
@@ -20016,12 +18794,11 @@ for ac_prog in md5sum md5
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_MD5SUM+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_MD5SUM+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$MD5SUM"; then
   ac_cv_prog_MD5SUM="$MD5SUM" # Let the user override the test.
 else
@@ -20029,15 +18806,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_MD5SUM="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -20048,11 +18821,11 @@ fi
 fi
 MD5SUM=$ac_cv_prog_MD5SUM
 if test -n "$MD5SUM"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MD5SUM" >&5
-printf "%s\n" "$MD5SUM" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MD5SUM" >&5
+$as_echo "$MD5SUM" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -20063,12 +18836,11 @@ for ac_prog in llvm-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_LLVMCONFIG+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_LLVMCONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$LLVMCONFIG"; then
   ac_cv_prog_LLVMCONFIG="$LLVMCONFIG" # Let the user override the test.
 else
@@ -20076,15 +18848,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_LLVMCONFIG="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -20095,11 +18863,11 @@ fi
 fi
 LLVMCONFIG=$ac_cv_prog_LLVMCONFIG
 if test -n "$LLVMCONFIG"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LLVMCONFIG" >&5
-printf "%s\n" "$LLVMCONFIG" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LLVMCONFIG" >&5
+$as_echo "$LLVMCONFIG" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -20122,7 +18890,7 @@ fi
 if test -z "$LLVMCONFIG" -o -n "${CXX##*clang*}" ; then
     have_llvm=no
 else
-    printf "%s\n" "#define HAVE_LLVM 1" >>confdefs.h
+    $as_echo "#define HAVE_LLVM 1" >>confdefs.h
 
     have_llvm=yes
     LLVM_OBJS="llvmutils.o $LLVM_OBJS"
@@ -20150,51 +18918,50 @@ done
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working makeinfo" >&5
-printf %s "checking for working makeinfo... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working makeinfo" >&5
+$as_echo_n "checking for working makeinfo... " >&6; }
 MAKEINFO=${MAKEINFO-makeinfo}
 if ($MAKEINFO --version) < /dev/null > conftest.out 2>&1; then
     if test `head -n 1 conftest.out | sed 's/^.* \([0-9][0-9]*\).*$/\1/'` -ge 4; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5
-printf "%s\n" "found" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
     else
         MAKEINFO='$(conf_auxdir)/missing makeinfo'
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: old" >&5
-printf "%s\n" "old" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: old" >&5
+$as_echo "old" >&6; }
     fi
 else
     MAKEINFO='$(conf_auxdir)/missing makeinfo'
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing" >&5
-printf "%s\n" "missing" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working texi2dvi" >&5
-printf %s "checking for working texi2dvi... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working texi2dvi" >&5
+$as_echo_n "checking for working texi2dvi... " >&6; }
 TEXI2DVI=${TEXI2DVI-texi2dvi}
 if ($TEXI2DVI --version) < /dev/null > conftest.out 2>&1; then
         if test `head -n 1 conftest.out | sed 's/.*Texinfo \([0-9][0-9]*\).*/\1/'` -ge 4; then
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5
-printf "%s\n" "found" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
     else
         TEXI2DVI='$(conf_auxdir)/missing texi2dvi'
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: old" >&5
-printf "%s\n" "old" >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: old" >&5
+$as_echo "old" >&6; }
     fi
 else
     TEXI2DVI='$(conf_auxdir)/missing texi2dvi'
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing" >&5
-printf "%s\n" "missing" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
 if test ${INSTALL_INFO-xxx} = xxx; then
     # Extract the first word of "install-info", so it can be a program name with args.
 set dummy install-info; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_path_INSTALL_INFO+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_INSTALL_INFO+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   case $INSTALL_INFO in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_INSTALL_INFO="$INSTALL_INFO" # Let the user override the test with a path.
@@ -20205,15 +18972,11 @@ as_dummy="$PATH:/sbin:/usr/sbin:/usr/local/sbin"
 for as_dir in $as_dummy
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    ac_cv_path_INSTALL_INFO="$as_dir$ac_word$ac_exec_ext"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_INSTALL_INFO="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -20226,36 +18989,36 @@ esac
 fi
 INSTALL_INFO=$ac_cv_path_INSTALL_INFO
 if test -n "$INSTALL_INFO"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL_INFO" >&5
-printf "%s\n" "$INSTALL_INFO" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL_INFO" >&5
+$as_echo "$INSTALL_INFO" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working install-info" >&5
-printf %s "checking for working install-info... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working install-info" >&5
+$as_echo_n "checking for working install-info... " >&6; }
 if ($INSTALL_INFO --version) < /dev/null > conftest.out 2>&1; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5
-printf "%s\n" "found" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
 else
     INSTALL_INFO='$(conf_auxdir)/missing install-info'
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing" >&5
-printf "%s\n" "missing" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working pod2man" >&5
-printf %s "checking for working pod2man... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working pod2man" >&5
+$as_echo_n "checking for working pod2man... " >&6; }
 POD2MAN=${POD2MAN-pod2man}
 if ($POD2MAN --help) < /dev/null > conftest.out 2>&1 && grep pod2man conftest.out >/dev/null 2>&1; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5
-printf "%s\n" "found" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
 else
     POD2MAN='$(conf_auxdir)/missing pod2man'
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing" >&5
-printf "%s\n" "missing" >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
 
@@ -20267,17 +19030,25 @@ fi
 
 
 
-printf "%s\n" "#define CLICK_BINDIR \"$bindir\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define CLICK_BINDIR "$bindir"
+_ACEOF
 
 
-printf "%s\n" "#define CLICK_LIBDIR \"$libdir\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define CLICK_LIBDIR "$libdir"
+_ACEOF
 
 
-printf "%s\n" "#define CLICK_DATADIR \"$clickdatadir\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define CLICK_DATADIR "$clickdatadir"
+_ACEOF
 
 
 
-printf "%s\n" "#define CLICK_DIR \"$clickdir\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define CLICK_DIR "$clickdir"
+_ACEOF
 
 
 
@@ -20552,8 +19323,8 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -20583,15 +19354,15 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
      /^ac_cv_env_/b end
      t clear
      :clear
-     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/
+     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
      t end
      s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
     if test "x$cache_file" != "x/dev/null"; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
       if test ! -f "$cache_file" || test -h "$cache_file"; then
 	cat confcache >"$cache_file"
       else
@@ -20605,8 +19376,8 @@ printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
       fi
     fi
   else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -20623,7 +19394,7 @@ U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
   as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
@@ -20639,8 +19410,8 @@ LTLIBOBJS=$ac_ltlibobjs
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
 as_write_fail=0
 cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
@@ -20663,16 +19434,14 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
-if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
+else
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -20682,46 +19451,46 @@ esac
 fi
 
 
-
-# Reset variables that may have inherited troublesome values from
-# the environment.
-
-# IFS needs to be set, to space, tab, and newline, in precisely that order.
-# (If _AS_PATH_WALK were called with IFS unset, it would have the
-# side effect of setting IFS to empty, thus disabling word splitting.)
-# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-IFS=" ""	$as_nl"
-
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# Ensure predictable behavior from utilities with locale-dependent output.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# We cannot yet rely on "unset" to work, but we need these variables
-# to be unset--not just set to an empty or harmless value--now, to
-# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
-# also avoids known problems related to "unset" and subshell syntax
-# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
-for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
-do eval test \${$as_var+y} \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-
-# Ensure that fds 0, 1, and 2 are open.
-if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
-if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
-if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
 
 # The user is always right.
-if ${PATH_SEPARATOR+false} :; then
+if test "${PATH_SEPARATOR+set}" != set; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -20730,6 +19499,13 @@ if ${PATH_SEPARATOR+false} :; then
 fi
 
 
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -20738,12 +19514,8 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
   done
 IFS=$as_save_IFS
 
@@ -20755,10 +19527,30 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
@@ -20771,14 +19563,13 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  printf "%s\n" "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -20805,20 +19596,18 @@ as_fn_unset ()
   { eval $1=; unset $1;}
 }
 as_unset=as_fn_unset
-
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
-then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else $as_nop
+else
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -20830,13 +19619,12 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
-then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else $as_nop
+else
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
@@ -20867,7 +19655,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X/"$0" |
+$as_echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -20889,10 +19677,6 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-
-# Determine whether it's possible to make 'echo' print without a newline.
-# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -20906,12 +19690,6 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
-# For backward compatibility with old third-party macros, we provide
-# the shell variables $as_echo and $as_echo_n.  New code should use
-# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
-as_echo='printf %s\n'
-as_echo_n='printf %s'
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -20953,7 +19731,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -20962,7 +19740,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_dir" |
+$as_echo X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -21025,7 +19803,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by click $as_me 2.1, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -21083,16 +19861,14 @@ $config_headers
 Report bugs to the package provider."
 
 _ACEOF
-ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
-ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_cs_config='$ac_cs_config_escaped'
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 click config.status 2.1
-configured by $0, generated by GNU Autoconf 2.71,
+configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -21131,15 +19907,15 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    printf "%s\n" "$ac_cs_version"; exit ;;
+    $as_echo "$ac_cs_version"; exit ;;
   --config | --confi | --conf | --con | --co | --c )
-    printf "%s\n" "$ac_cs_config"; exit ;;
+    $as_echo "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
@@ -21147,7 +19923,7 @@ do
   --header | --heade | --head | --hea )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
@@ -21156,7 +19932,7 @@ do
     as_fn_error $? "ambiguous option: \`$1'
 Try \`$0 --help' for more information.";;
   --help | --hel | -h )
-    printf "%s\n" "$ac_cs_usage"; exit ;;
+    $as_echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
@@ -21184,7 +19960,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
   set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
-  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
   export CONFIG_SHELL
   exec "\$@"
@@ -21198,7 +19974,7 @@ exec 5>>config.log
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  printf "%s\n" "$ac_log"
+  $as_echo "$ac_log"
 } >&5
 
 _ACEOF
@@ -21258,8 +20034,8 @@ done
 # We use the long form for the default assignment because of an extremely
 # bizarre bug on SunOS 4.1.3.
 if $ac_need_defaults; then
-  test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
-  test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
@@ -21595,7 +20371,7 @@ do
 	   esac ||
 	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
-      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
@@ -21603,17 +20379,17 @@ do
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
-	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-printf "%s\n" "$as_me: creating $ac_file" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
     fi
     # Neutralize special characters interpreted by sed in replacement strings.
     case $configure_input in #(
     *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
+       ac_sed_conf_input=`$as_echo "$configure_input" |
        sed 's/[\\\\&|]/\\\\&/g'`;; #(
     *) ac_sed_conf_input=$configure_input;;
     esac
@@ -21630,7 +20406,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$ac_file" |
+$as_echo X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -21654,9 +20430,9 @@ printf "%s\n" X"$ac_file" |
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -21713,8 +20489,8 @@ ac_sed_dataroot='
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   ac_datarootdir_hack='
@@ -21757,9 +20533,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
       "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -21775,20 +20551,20 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
   #
   if test x"$ac_file" != x-; then
     {
-      printf "%s\n" "/* $configure_input  */" >&1 \
+      $as_echo "/* $configure_input  */" \
       && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
     } >"$ac_tmp/config.h" \
       || as_fn_error $? "could not create $ac_file" "$LINENO" 5
     if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-printf "%s\n" "$as_me: $ac_file is unchanged" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
       mv "$ac_tmp/config.h" "$ac_file" \
 	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
-    printf "%s\n" "/* $configure_input  */" >&1 \
+    $as_echo "/* $configure_input  */" \
       && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
       || as_fn_error $? "could not create -" "$LINENO" 5
   fi
@@ -21837,8 +20613,8 @@ if test "$no_create" != yes; then
   $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
 
@@ -21892,4 +20668,3 @@ if test "$feedback" != no; then
 else
     echo "Now type make to build FastClick..."
 fi
-