From add121705310acbff522a0eb747c4bf1146fcc4f Mon Sep 17 00:00:00 2001
From: Arfrever Frehtes Taifersar Arahesis <arfrever@gentoo.org>
Date: Fri, 24 Sep 2010 20:34:52 +0000
Subject: Use AC_LANG_SOURCE for compatibility with Autoconf 2.68.

---
 configure.ac | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 9f9d305..67b8580 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,13 +17,12 @@ AC_CHECK_FUNCS([setenv strtok_r])
 AC_MSG_CHECKING([for strndup])
 old_CFLAGS="${CFLAGS}"
 CFLAGS="${CFLAGS} -Wall -Werror -Wextra"
-AC_LINK_IFELSE(
-[#include <string.h>
+AC_LINK_IFELSE([AC_LANG_SOURCE([[#include <string.h>
 int main()
 {
   strndup("", 0);
   return 0;
-}], [have_strndup="1"], [have_strndup="0"])
+}]])], [have_strndup="1"], [have_strndup="0"])
 if test "${have_strndup}" = "1"; then
   AC_MSG_RESULT([yes])
   AC_DEFINE([HAVE_STRNDUP], [1], [Define to 1 if you have the 'strndup' function.])
-- 
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