145 lines
3.8 KiB
Plaintext
145 lines
3.8 KiB
Plaintext
dnl libpcap.m4--PCAP libraries and includes
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dnl Derrick Brashear
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dnl from KTH krb and Arla
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dnl $Id: libpcap.m4,v 1.4 2006/01/20 20:21:09 snsimon Exp $
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AC_DEFUN([PCAP_INC_WHERE1], [
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ac_cv_found_pcap_inc=no
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if test -f "$1/pcap.h" ; then
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ac_cv_found_pcap_inc=yes
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fi
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])
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AC_DEFUN([PCAP_INC_WHERE], [
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for i in $1; do
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AC_MSG_CHECKING(for pcap header in $i)
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PCAP_INC_WHERE1($i)
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if test "$ac_cv_found_pcap_inc" = "yes"; then
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ac_cv_pcap_where_inc=$i
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AC_MSG_RESULT(found)
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break
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else
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AC_MSG_RESULT(no found)
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fi
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done
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])
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AC_DEFUN([PCAP_LIB_WHERE1], [
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saved_LIBS=$LIBS
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LIBS="$saved_LIBS -L$1 -lpcap"
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AC_TRY_LINK(,
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[pcap_lookupdev("");],
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[ac_cv_found_pcap_lib=yes],
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ac_cv_found_pcap_lib=no)
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LIBS=$saved_LIBS
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])
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AC_DEFUN([TEST_LIBPATH], [
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changequote(<<, >>)
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define(<<AC_CV_FOUND>>, translit(ac_cv_found_$2_lib, <<- *>>, <<__p>>))
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changequote([, ])
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if test "$AC_CV_FOUND" = "yes"; then
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if test \! -r "$1/lib$2.a" -a \! -r "$1/lib$2.so" -a \! -r "$1/lib$2.sl" -a \! -r "$1/lib$2.dylib"; then
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AC_CV_FOUND=no
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fi
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fi
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])
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AC_DEFUN([PCAP_LIB_WHERE], [
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for i in $1; do
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AC_MSG_CHECKING(for pcap library in $i)
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PCAP_LIB_WHERE1($i)
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TEST_LIBPATH($i, pcap)
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if test "$ac_cv_found_pcap_lib" = "yes" ; then
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ac_cv_pcap_where_lib=$i
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AC_MSG_RESULT(found)
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break
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else
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AC_MSG_RESULT(no found)
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fi
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done
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])
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AC_DEFUN([FIND_LIB_SUBDIR],
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[dnl
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AC_ARG_WITH([lib-subdir], AC_HELP_STRING([--with-lib-subdir=DIR],[Find libraries in DIR instead of lib]))
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AC_CHECK_SIZEOF(long)
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AC_CACHE_CHECK([what directory libraries are found in], [ac_cv_cmu_lib_subdir],
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[test "X$with_lib_subdir" = "Xyes" && with_lib_subdir=
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test "X$with_lib_subdir" = "Xno" && with_lib_subdir=
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if test "X$with_lib_subdir" = "X" ; then
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ac_cv_cmu_lib_subdir=lib
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if test $ac_cv_sizeof_long -eq 4 ; then
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test -d /usr/lib32 && ac_cv_cmu_lib_subdir=lib32
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test -r /usr/lib/libpcap.so && ac_cv_cmu_lib_subdir=lib
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fi
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if test $ac_cv_sizeof_long -eq 8 ; then
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test -d /usr/lib64 && ac_cv_cmu_lib_subdir=lib64
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fi
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else
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ac_cv_cmu_lib_subdir=$with_lib_subdir
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fi])
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AC_SUBST(LIB_SUBDIR, $ac_cv_cmu_lib_subdir)
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])
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AC_DEFUN([AX_LIB_PCAP], [
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AC_REQUIRE([FIND_LIB_SUBDIR])
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AC_ARG_WITH(pcap,
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[ --with-pcap=PREFIX Compile with PCAP support],
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[if test "X$with_pcap" = "X"; then
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with_pcap=yes
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fi])
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AC_ARG_WITH(pcap-lib,
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[ --with-pcap-lib=dir use pcap libraries in dir],
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[if test "$withval" = "yes" -o "$withval" = "no"; then
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AC_MSG_ERROR([No argument for --with-pcap-lib])
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fi])
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AC_ARG_WITH(pcap-include,
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[ --with-pcap-include=dir use pcap headers in dir],
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[if test "$withval" = "yes" -o "$withval" = "no"; then
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AC_MSG_ERROR([No argument for --with-pcap-include])
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fi])
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if test "X$with_pcap" != "X"; then
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if test "$with_pcap" != "yes"; then
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ac_cv_pcap_where_lib=$with_pcap
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ac_cv_pcap_where_inc=$with_pcap/include
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fi
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fi
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if test "X$with_pcap_lib" != "X"; then
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ac_cv_pcap_where_lib=$with_pcap_lib
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fi
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if test "X$ac_cv_pcap_where_lib" = "X"; then
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PCAP_LIB_WHERE(/usr/$LIB_SUBDIR /usr/local/$LIB_SUBDIR)
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fi
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if test "X$with_pcap_include" != "X"; then
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ac_cv_pcap_where_inc=$with_pcap_include
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fi
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if test "X$ac_cv_pcap_where_inc" = "X"; then
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PCAP_INC_WHERE(/usr/ng/include /usr/include /usr/local/include)
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fi
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AC_MSG_CHECKING(whether to include pcap)
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if test "X$ac_cv_pcap_where_lib" != "X" -a "X$ac_cv_pcap_where_inc" != "X"; then
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ac_cv_found_pcap=yes
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AC_MSG_RESULT(yes)
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PCAP_INC_DIR=$ac_cv_pcap_where_inc
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PCAP_LIB_DIR=$ac_cv_pcap_where_lib
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PCAP_INC_FLAGS="-I${PCAP_INC_DIR}"
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PCAP_LIB_FLAGS="-L${PCAP_LIB_DIR} -lpcap"
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AC_SUBST(PCAP_INC_DIR)
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AC_SUBST(PCAP_LIB_DIR)
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AC_SUBST(PCAP_INC_FLAGS)
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AC_SUBST(PCAP_LIB_FLAGS)
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AC_DEFINE([HAVE_LIBPCAP],[1],[libpcap])
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else
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ac_cv_found_pcap=no
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AC_MSG_RESULT(no)
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fi
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])
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