Add xtables version defines.

Attached is a patch to add the new defines. The macro XTABLES_VERSION
is already in use, so I named it XTABLES_VERSION_CHECK. I've also tested
that an empty XTABLES_VERSION_EXTRA in configure.ac works.

Now we can write code like this:

    #warning You are obselete and will be assimilated.

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/configure.ac b/configure.ac
index b32349a46e0abdc927dbd5b7acf2d70d2b9d40e5..e718effc1188b6a0966f5f957c369aee04f347d2 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,11 @@
+define([_XTABLES_VERSION_MAJOR], 1)
+define([_XTABLES_VERSION_MINOR], 4)
+define([_XTABLES_VERSION_PATCH], 1)
+define([_XTABLES_VERSION_EXTRA], -rc2)
 
-AC_INIT([iptables], [1.4.1-rc2])
+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
@@ -56,4 +62,14 @@ 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])

diff --git a/include/xtables.h.in b/include/xtables.h.in
index c8a8746f67280d4b6227a2d7b05c63cf60d04798..4ce73e979881e8935d8e5d875c164229d5d1b4fa 100644 (file)
--- a/include/xtables.h.in
+++ b/include/xtables.h.in
@@ -18,6 +18,9 @@
 #endif
 
 #define XTABLES_VERSION "@PACKAGE_VERSION@"
+#define XTABLES_VERSION_CODE (0x10000 * @XTABLES_VERSION_MAJOR@ + 0x100 * @XTABLES_VERSION_MINOR@ + @XTABLES_VERSION_PATCH@)
+
+#define XTABLES_API_VERSION(x,y,z)    (0x10000*(x) + 0x100*(y) + z)
 
 /* Include file for additions: new matches and targets. */
 struct xtables_match