--- /dev/null
+define([_XTABLES_VERSION_MAJOR], 1)
+define([_XTABLES_VERSION_MINOR], 4)
+define([_XTABLES_VERSION_PATCH], 1)
+define([_XTABLES_VERSION_EXTRA], .1)
+
+define([_XTABLES_VERSION],_XTABLES_VERSION_MAJOR._XTABLES_VERSION_MINOR._XTABLES_VERSION_PATCH[]_XTABLES_VERSION_EXTRA)
+
+AC_INIT([iptables], _XTABLES_VERSION)
+AC_CONFIG_HEADERS([config.h])
+AC_PROG_INSTALL
+AM_INIT_AUTOMAKE
+AC_PROG_CC
+AM_PROG_CC_C_O
+AC_DISABLE_STATIC
+AC_PROG_LIBTOOL
+
+AC_ARG_WITH([kernel],
+ AS_HELP_STRING([--with-kernel=PATH],
+ [Path to kernel source/build directory]),
+ [kbuilddir="$withval"; ksourcedir="$withval";])
+AC_ARG_WITH([kbuild],
+ AS_HELP_STRING([--with-kbuild=PATH],
+ [Path to kernel build directory [[/lib/modules/CURRENT/build]]]),
+ [kbuilddir="$withval"])
+AC_ARG_WITH([ksource],
+ AS_HELP_STRING([--with-ksource=PATH],
+ [Path to kernel source directory [[/lib/modules/CURRENT/source]]]),
+ [ksourcedir="$withval"])
+AC_ARG_WITH([xtlibdir],
+ AS_HELP_STRING([--with-xtlibdir=PATH],
+ [Path where to install Xtables extensions [[LIBEXECDIR/xtables]]]),
+ [xtlibdir="$withval"],
+ [xtlibdir="${libexecdir}/xtables"])
+AC_ARG_ENABLE([devel],
+ AS_HELP_STRING([--enable-devel],
+ [Install Xtables development headers]),
+ [enable_devel="$enableval"], [enable_devel="yes"])
+AC_ARG_ENABLE([libipq],
+ AS_HELP_STRING([--enable-libipq], [Build and install libipq]))
+
+AC_CHECK_HEADER([netinet/ip6.h], [], [AC_MSG_ERROR(but we need that for IPv6)])
+AC_CHECK_HEADER([linux/dccp.h])
+
+blacklist_modules="";
+if test "$ac_cv_header_linux_dccp_h" != "yes"; then
+ blacklist_modules="$blacklist_modules dccp";
+fi;
+AC_SUBST([blacklist_modules])
+
+AM_CONDITIONAL([ENABLE_STATIC], [test "$enable_static" == "yes"])
+AM_CONDITIONAL([ENABLE_SHARED], [test "$enable_shared" == "yes"])
+AM_CONDITIONAL([ENABLE_DEVEL], [test "$enable_devel" == "yes"])
+AM_CONDITIONAL([ENABLE_LIBIPQ], [test "$enable_libipq" == "yes"])
+
+regular_CFLAGS="-D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 \
+ -D_REENTRANT -Wall -Waggregate-return -Wmissing-declarations \
+ -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
+ -Winline -pipe \
+ -DXTABLES_LIBDIR=\\\"\${xtlibdir}\\\" -DXTABLES_INTERNAL";
+kinclude_CFLAGS="";
+if [[ -n "$kbuilddir" ]]; then
+ kinclude_CFLAGS="$kinclude_CFLAGS -I $kbuilddir/include";
+fi;
+if [[ -n "$ksourcedir" ]]; then
+ kinclude_CFLAGS="$kinclude_CFLAGS -I $ksourcedir/include";
+fi;
+
+AC_SUBST([regular_CFLAGS])
+AC_SUBST([kinclude_CFLAGS])
+AC_SUBST([kbuilddir])
+AC_SUBST([ksourcedir])
+AC_SUBST([xtlibdir])
+
+XTABLES_VERSION_MAJOR=_XTABLES_VERSION_MAJOR
+XTABLES_VERSION_MINOR=_XTABLES_VERSION_MINOR
+XTABLES_VERSION_PATCH=_XTABLES_VERSION_PATCH
+XTABLES_VERSION_EXTRA=_XTABLES_VERSION_EXTRA
+AC_SUBST([XTABLES_VERSION_MAJOR])
+AC_SUBST([XTABLES_VERSION_MINOR])
+AC_SUBST([XTABLES_VERSION_PATCH])
+AC_SUBST([XTABLES_VERSION_EXTRA])
+
+AC_OUTPUT([Makefile extensions/GNUmakefile libipq/Makefile include/xtables.h])