Fix compilation with musl

.gitlab-ci.yml

@@ -75,11 +75,7 @@ cache:
         - dpdk-*
         - netmap-$NETMAP_VERSION
 before_script:
-    - if ( command -v apt-get &> /dev/null ) ; then
-        echo "Installing dependencies..." ;
-        apt-get update -yqq && apt-get install -yqq build-essential sudo wget libelf-dev pkg-config zlib1g-dev libnuma-dev python3-pyelftools ninja-build meson linux-headers-$(uname -r) python3-pip ;
-
-      fi;
+    - sh deps.sh
     - gcc -v
     - if [ ! -e "netmap-$NETMAP_VERSION/sys/net/netmap.h" ] ; then wget https://github.com/luigirizzo/netmap/archive/v$NETMAP_VERSION.tar.gz && tar -xvf v$NETMAP_VERSION.tar.gz && ( cd netmap-$NETMAP_VERSION && cd LINUX && ./configure --no-drivers ; cd .. && cd .. ) ; fi
     - ls -al

deps.sh

+#!/bin/sh
+
+echo "Installing dependencies..." ;
+if ( command -v apt-get &> /dev/null ) ; then
+    echo "Using apt-get"        
+    apt-get update -yqq && apt-get install -yqq build-essential sudo wget libelf-dev pkg-config zlib1g-dev libnuma-dev python3-pyelftools ninja-build meson linux-headers-$(uname -r) python3-pip
+elif ( command -v apk &> /dev/null ) ; then
+    echo "Using apk"
+    apk add --no-cache  wget gcc libelf numactl python3 pkgconf zlib-dev py3-pip g++ py3-elftools autoconf build-base bsd-compat-headers linux-headers gcompat libstdc++
+fi
+

elements/userlevel/fromdevice.cc

@@ -43,6 +43,8 @@
 #include <click/packet_anno.hh>
 #include <click/standard/scheduleinfo.hh>
 #include <click/userutils.hh>
+#include <netinet/if_ether.h>
+#define _LINUX_IF_ETHER_H 1
 #include <linux/ethtool.h>
 #include <linux/netlink.h>
 #include <unistd.h>

include/click/llrpc.h

@@ -14,6 +14,7 @@ CLICK_CXX_UNPROTECT
 #else
 # include <errno.h>
 # include <sys/ioctl.h>
+# include <asm/ioctl.h>
 #endif
 
 /* Click low-level RPC interface */

lib/flow.cc

@@ -21,6 +21,7 @@
 #include <click/config.h>
 #include <click/glue.hh>
 #include <stdlib.h>
+#include <byteswap.h>
 #include <regex>
 #include <click/flow/flow.hh>
 #include <click/flow/flowelement.hh>