linux-kernel - [PATCH] Scripts: kconfig: nconf: fix _GNU

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Date:   Mon, 28 Nov 2016 00:28:26 +0800
From:   Cheah Kok Cheong <thrust73@...il.com>
To:     yann.morin.1998@...e.fr
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        mmarek@...e.cz, thrust73@...il.com
Subject: [PATCH] Scripts: kconfig: nconf: fix _GNU_SOURCE redefined warning

Fix below warning when make nconfig is run initially
or after make clean.

  HOSTCC  scripts/kconfig/nconf.o
scripts/kconfig/nconf.c:8:0: warning: "_GNU_SOURCE" redefined
 #define _GNU_SOURCE
 ^
<command-line>:0:0: note: this is the location of the previous definition

Signed-off-by: Cheah Kok Cheong <thrust73@...il.com>
---
 scripts/kconfig/nconf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index d42d534..a9bc533 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -5,7 +5,9 @@
  * Derived from menuconfig.
  *
  */
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <string.h>
 #include <stdlib.h>
 
-- 
2.7.4