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dnl Process this file with autoconf to create configure.

AC_INIT

AC_CANONICAL_SYSTEM

AM_INIT_AUTOMAKE(libnetfilter_conntrack, 0.0.31)

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

AC_CHECK_LIB(nfnetlink, nfnl_subsys_open, AC_MSG_RESULT(found), AC_MSG_ERROR([libnfnetlink 0.0.16 or later needed]))
AC_CHECK_HEADER([libnfnetlink/linux_nfnetlink.h], [AC_MSG_RESULT([found])], [AC_MSG_ERROR([libnfnetlink 0.0.16 or later needed])])

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


dnl Output the makefile
AC_OUTPUT(Makefile src/Makefile include/Makefile utils/Makefile include/libnetfilter_conntrack/Makefile l3extensions/Makefile extensions/Makefile libnetfilter_conntrack.pc)