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dnl Process this file with autoconf to create configure.

AC_INIT

AC_CANONICAL_SYSTEM

AM_INIT_AUTOMAKE(libnetfilter_conntrack, 0.0.99)

AC_PROG_CC
AM_PROG_LIBTOOL
AC_PROG_INSTALL
AC_PROG_LN_S

AC_SUBST(LIBTOOL_DEPS)

case $target in 
*-*-linux*) ;;
*) AC_MSG_ERROR([Linux only, dude!]);;
esac

dnl Dependencies
LIBNFNETLINK_REQUIRED=0.0.39

AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
if test "x$HAVE_PKG_CONFIG" = "x"
then
	echo "*** Error: No suitable pkg-config found. ***"
	echo "    Please install the 'pkg-config' package."
	exit 1
fi

PKG_CHECK_MODULES(LIBNFNETLINK, libnfnetlink >= $LIBNFNETLINK_REQUIRED,,
	AC_MSG_ERROR(Cannot find libnfnetlink >= $LIBNFNETLINK_REQUIRED))

AC_CHECK_HEADERS(arpa/inet.h)
dnl Check for inet_ntop
AC_CHECK_FUNCS(inet_ntop)
dnl Again, some systems have it, but not IPv6
if test "$ac_cv_func_inet_ntop" = "yes" ; then
AC_MSG_CHECKING(if inet_ntop supports IPv6)
AC_TRY_RUN(
   [
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#include <errno.h>
int main()
  {
     struct in6_addr addr6;
     char buf[128];
     if (inet_ntop(AF_INET6, &addr6, buf, 128) == 0 && errno == EAFNOSUPPORT)
        exit(1);
     else
        exit(0);
  }
  ], [ AC_MSG_RESULT(yes)
       AC_DEFINE_UNQUOTED(HAVE_INET_NTOP_IPV6, 1, [Define to 1 if inet_ntop supports IPv6.])
     ], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
fi

if test ! -z "$libdir"; then
	MODULE_DIR="\\\"$libdir/libnetfilter_conntrack/\\\""
	CFLAGS="$CFLAGS -DLIBNETFILTER_CONNTRACK_DIR=$MODULE_DIR"
fi

CFLAGS="$CFLAGS $LIBNFNETLINK_CFLAGS"
LIBNFCONNTRACK_LIBS="$LIBNFNETLINK_LIBS"

AC_SUBST(LIBNFCONNTRACK_LIBS)

dnl Output the makefile
AC_OUTPUT(Makefile src/Makefile include/Makefile utils/Makefile qa/Makefile include/libnetfilter_conntrack/Makefile include/internal/Makefile src/conntrack/Makefile src/expect/Makefile src/deprecated/Makefile src/deprecated/l3extensions/Makefile src/deprecated/extensions/Makefile libnetfilter_conntrack.pc)