From 1ba6e2d926dadd6267084fe0b27209ba6c1099ff Mon Sep 17 00:00:00 2001
From: Wen Congyang <wency@cn.fujitsu.com>
Date: Thu, 12 May 2011 17:55:43 +0800
Subject: [PATCH] build: avoid compiler warning during configure

There is no need to redefine _GNU_SOURCE in tests that occur after
gl_INIT, since that macro already AC_DEFINE'd it for us.

Signed-off-by: Eric Blake <eblake@redhat.com>
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 71c496883c..a2ce97e3d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -638,7 +638,7 @@ if test "$with_libvirtd" = "no" ; then
   with_lxc=no
 fi
 if test "$with_lxc" = "yes" || test "$with_lxc" = "check"; then
-    AC_TRY_LINK([#define _GNU_SOURCE
+    AC_TRY_LINK([
         #include <sched.h>
     ], [
         unshare (1);
-- 
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