1 files changed, 76 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..cfffa99
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,76 @@
+dnl Boilerplate
+AC_INIT([ipset], [5.0], [kadlec@blackhole.kfki.hu])
+AC_CANONICAL_SYSTEM
+AC_CONFIG_HEADER([config.h])
+AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+
+dnl Shortcut: Linux supported alone
+case $target in
+*-*-linux*) ;;
+*) AC_MSG_ERROR([Linux systems supported exclusively!]);;
+esac
+
+dnl Additional arguments
+dnl Kernel build directory or source tree
+AC_ARG_WITH([kernel],
+	    AS_HELP_STRING([--with-kernel=PATH],
+	    		   [Path to kernel source/build directory]),
+	    [KBUILDDOR="$withval";])
+AM_CONDITIONAL(WITH_KBUILDDIR, test "$KBUILDDIR" != "")
+AC_SUBST(KBUILDDIR)
+
+dnl Maximal number of sets supported by the kernel, default 256
+AC_ARG_WITH([maxsets],
+	    AS_HELP_STRING([--with-maxsets=256],
+	    		   [Maximal numer of sets supported by the kernel]),
+	    [MAXSETS="$withval";])
+AM_CONDITIONAL(WITH_MAXSETS, test "$MAXSETS" != "")
+AC_SUBST(MAXSETS)
+
+dnl Verbose compiling
+AC_ARG_ENABLE([verbose],
+	      AS_HELP_STRING([--enable-verbose],
+	                     [Enable verbose mode at compiling/linking.]),
+	      [case "${enableval}" in
+	       yes)	enable_verbose=yes ;;
+	       no)	enable_verbose=no ;;
+	       *) AC_MSG_ERROR([bad value ${enableval} for --enable-verbose]) ;;
+	       esac], [enable_verbose=no])
+	      
+AM_CONDITIONAL([ENABLE_VERBOSE], [test "x$enable_verbose" = xyes])
+
+dnl Disable extra warn flags
+AC_ARG_ENABLE([extra-flags],
+	      AS_HELP_STRING([--disable-extra-flags],
+	      		     [Disable extra compiler warning flags.]),
+	      [case "${enableval}" in
+	       yes)	extra_flags=yes ;;
+	       no)	extra_flags=no ;;
+	       *) AC_MSG_ERROR([bad value ${enableval} for --disable-extra-flags]) ;;
+	       esac], [extra_flags=yes])
+	      
+AM_CONDITIONAL([DISABLE_EXTRA_FLAGS], [test "x$extra_flags" = xno])
+
+dnl Checks for programs
+AC_PROG_CC
+AC_PROG_LIBTOOL
+AC_PROG_INSTALL
+AC_PROG_LN_S
+
+dnl Checks for libraries
+AC_CHECK_LIB([mnl], [mnl_socket_open])
+if test x"${ac_cv_lib_mnl_mnl_socket_open}" = xno; then
+  AC_MSG_ERROR(libmnl not found)
+fi
+
+dnl Checks for header files
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_CHECK_TYPES([union nf_inet_addr],,,[#include <linux/types.h>
+#include <netinet/in.h>
+#include <linux/netfilter.h>])
+dnl Checks for library functions.
+
+dnl Generate output
+AC_CONFIG_FILES([Makefile lib/Makefile src/Makefile])
+AC_OUTPUT