From f94379847559bd3d6c89523c0b23a6919a5a498a Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Tue, 19 Aug 2014 14:37:04 +0200
Subject: [PATCH] use AC_LANG_SOURCE to silence warnings from autoconf

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 2392da6..4fcf13d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -226,7 +226,7 @@ AC_TRY_COMPILE([#include <netinet/in.h>], [
 ])
 
 test_gcc_flag() {
-    AC_LANG_CONFTEST([int main() {}])
+    AC_LANG_CONFTEST([AC_LANG_SOURCE([[int main() {}]])])
     $CC -c conftest.c $CFLAGS $@ > /dev/null 2> /dev/null
     ret=$?
     rm -f conftest.o
-- 
2.39.5