From 46ad4fdca1644288025a41e43cc2784c216861d2 Mon Sep 17 00:00:00 2001
From: Guillem Jover <guillem@hadrons.org>
Date: Thu, 25 Aug 2011 15:22:26 +0200
Subject: Use AC_LANG_SOURCE inside AC_LANG_CONFTEST to fix autoconf warning

* configure.ac (AC_LANG_CONFTEST): Wrap the source into a AC_LANG_SOURCE
call.
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 50ec6b4..91bdea3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -149,7 +149,8 @@ m4_include([linux/configfrag.ac])
 [ssp_possible=yes]
 AC_MSG_CHECKING([whether the compiler accepts `-fstack-protector'])
 # Is this a reliable test case?
-AC_LANG_CONFTEST([[void foo (void) { volatile char a[8]; a[3]; }]])
+AC_LANG_CONFTEST(
+  [AC_LANG_SOURCE([[void foo (void) { volatile char a[8]; a[3]; }]])])
 [# `$CC -c -o ...' might not be portable.  But, oh, well...  Is calling
 # `ac_compile' like this correct, after all?
 if eval "$ac_compile -S -fstack-protector -o conftest.s" 2> /dev/null; then]
-- 
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