From b1c030b0ba59eed6da5271ed592d6b93ed088518 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Wed, 24 Mar 2010 16:39:18 +0100
Subject: Adds autoconf test for -Wno-pointer-sign compliler option.

---
 aclocal.m4 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'aclocal.m4')

diff --git a/aclocal.m4 b/aclocal.m4
index c5af789..e98a413 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -147,6 +147,19 @@ if test -z "$bird_cv_sys_linux_version" ; then
 fi
 ])])
 
+AC_DEFUN(BIRD_CHECK_GCC_OPTIONS,
+[AC_CACHE_VAL(bird_cv_c_option_no_pointer_sign, [
+cat >conftest.c <<EOF
+int main(void)
+{ return 0; }
+EOF
+if $CC -Wall -Wno-pointer-sign conftest.c >&AS_MESSAGE_LOG_FD 2>&1 ; then
+	bird_cv_c_option_no_pointer_sign=yes
+else
+	bird_cv_c_option_no_pointer_sign=no
+fi
+])])
+
 # BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
 # copied autoconf internal _AC_PATH_PROG_FLAVOR_GNU
 m4_define([BIRD_CHECK_PROG_FLAVOR_GNU],
-- 
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