[Bug-wget] Autoconf 2.68 warning

[Nikolay Merinov]

Autoconf version 2.68 and higher print warnings like

> configure.ac:222: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected 
> in body

The patch to silence autoconf warning attached to this letter. This
changes are also compatible with autoconf 2.61 required by current
configure.ac.

>From 6b183f29ae4f1043bd1e4ad7f34ee0a146692fdb Mon Sep 17 00:00:00 2001
From: Nikolay Merinov <address@hidden>
Date: Sun, 23 Sep 2012 22:00:12 +0600
Subject: [PATCH 1/2] Fix autoconf warning

---
 ChangeLog  |    5 +++++
 m4/wget.m4 |    4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 2ebc4af..2f9498a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-09-23  Merinov Nikolay  <address@hidden>
+
+       * m4/wget.m4 (WGET_FNMATCH): Add AC_LANG_SOURCE into
+       AC_COMPILE_IFELSE in order to silence autoconf 2.68 warning.
+
 2012-09-20  Giuseppe Scrivano  <address@hidden>
 
        * bootstrap: Update from gnulib.
diff --git a/m4/wget.m4 b/m4/wget.m4
index 02d0cf9..777e973 100644
--- a/m4/wget.m4
+++ b/m4/wget.m4
@@ -51,8 +51,8 @@ dnl /usr/local/include (!), which GCC uses before 
/usr/include.
 
 AC_DEFUN([WGET_FNMATCH], [
   AC_MSG_CHECKING([for working fnmatch.h])
-  AC_COMPILE_IFELSE([#include <fnmatch.h>
-                    ], [
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE([#include <fnmatch.h>
+                    ])], [
     AC_MSG_RESULT(yes)
     AC_DEFINE([HAVE_WORKING_FNMATCH_H], 1,
               [Define if fnmatch.h can be included.])
-- 
1.7.10.4