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Support cross compiling #84

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25 changes: 19 additions & 6 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ possible_dirs="`eval echo -n ${includedir}` \

AC_ARG_WITH(pcap-includes,
[ --with-pcap-includes specify the pcap include directory],
[PCAP_DIR=$withval],
[PCAP_DIR=$withval CUSTOM_PCAP=true],
[PCAP_DIR=$possible_dirs])

pcap_dir=""
Expand All @@ -92,7 +92,11 @@ else
echo found $pcap_dir

PCAP_INCLUDE="-I$pcap_dir"
PCAP_LINK="-L`dirname $pcap_dir`/lib"
if ! @<:@ -z ${CUSTOM_PCAP+x} @:>@ ; then
PCAP_LINK="-L$pcap_dir"
else
PCAP_LINK="-L`dirname $pcap_dir`/lib"
fi

AC_SUBST(PCAP_INCLUDE)
AC_SUBST(PCAP_LINK)
Expand All @@ -119,6 +123,7 @@ AC_CHECK_LIB(pcap, pcap_dump_flush,AC_DEFINE(HAVE_PCAP_DUMP_FLUSH))
dnl Check for BSD's BPF
disable_bpf=no
have_bpf=no
if @<:@ -z ${CUSTOM_PCAP+x} @:>@; then
AC_MSG_CHECKING(for BPF device sending support)
AC_TRY_RUN([
#include <stdio.h>
Expand Down Expand Up @@ -153,6 +158,7 @@ main(int argc, char *argv[]) {
AC_MSG_RESULT(no)
fi
])
fi

dnl
dnl
Expand All @@ -170,7 +176,7 @@ possible_libnet_config_dirs="/usr /usr/local /opt"

AC_ARG_WITH(libnet-includes,
[ --with-libnet-includes specify the libnet include directory],
[LIBNET_DIR=$withval LIBNET_CONFIG_DIR=$withval],
[LIBNET_DIR=$withval LIBNET_CONFIG_DIR=$withval CUSTOM_LIBNET=true],
[LIBNET_DIR=$possible_dirs LIBNET_CONFIG_DIR=$possible_libnet_config_dirs])

libnet_dir=""
Expand All @@ -190,8 +196,10 @@ for dir in $LIBNET_DIR ; do
done

for dir in $LIBNET_CONFIG_DIR ; do
if test -d $dir -a -r "$dir/bin/libnet-config" ; then
if @<:@ -f "$dir/bin/libnet-config" @:>@ ; then
libnet_config_dir="$dir/bin"
else
libnet_config_dir=`dirname $dir`
fi
done

Expand All @@ -203,7 +211,11 @@ else

dnl libnet headers are usually in /usr/include/libnet, so we need a ..
LIBNET_INCLUDE="-I$libnet_dir"
LIBNET_LINK="-L`dirname $libnet_dir`/lib"
if ! @<:@ -z ${CUSTOM_LIBNET+x} @:>@; then
LIBNET_LINK="-L`dirname $libnet_dir`"
else
LIBNET_LINK="-L`dirname $libnet_dir`/lib"
fi
LIBNET_CONFIG="$libnet_config_dir/libnet-config"

AC_SUBST(LIBNET_INCLUDE)
Expand Down Expand Up @@ -231,6 +243,7 @@ dnl AC_MSG_WARN(Ouch!! You need to install the libnet.h file in order to compi
dnl AC_MSG_ERROR(...i'm sure you'll take the right decision.)
dnl fi

if @<:@ -z ${CUSTOM_LIBNET+x} @:>@; then
AC_MSG_CHECKING(if libnet is at least version 1.1.2)
AC_TRY_RUN([
#include <stdlib.h>
Expand All @@ -257,7 +270,7 @@ if test $have_libnet = no; then
AC_MSG_WARN(Ouch!! At least Libnet library version 1.1.2 is needed in order to compile Yersinia!!...)
AC_MSG_ERROR(...i'm sure you'll take the right decision.)
fi

fi


dnl
Expand Down