From 416e3ee4b07d9ed30ada45eee736d877efe139db Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sat, 20 May 2000 11:00:14 +0000
Subject: Get Linux version from <linux/version.h>, not `uname -r`.

---
 aclocal.m4 | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'aclocal.m4')

diff --git a/aclocal.m4 b/aclocal.m4
index 4ec84d5..584173d 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -128,3 +128,20 @@ if test "$bird_cv_struct_ip_mreqn" = yes ; then
 	AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 fi
 ])
+
+AC_DEFUN(BIRD_CHECK_LINUX_VERSION,
+[AC_CACHE_CHECK([Linux kernel version], bird_cv_sys_linux_version, [
+AC_REQUIRE_CPP()dnl
+cat > conftest.$ac_ext <<EOF
+[#]line __oline__ "configure"
+#include "confdefs.h"
+#include <linux/version.h>
+VERSION: UTS_RELEASE
+EOF
+bird_cv_sys_linux_version=`eval "$ac_cpp conftest.$ac_ext" 2>&AC_FD_CC | sed '/^VERSION/!d;s/^VERSION: "//;s/".*//'`
+rm -rf conftest*
+if test -z "$bird_cv_sys_linux_version" ; then
+	AC_MSG_RESULT([unknown])
+	AC_MSG_ERROR([Cannot determine kernel version])
+fi
+])])
-- 
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