linux-kernel - [PATCH] selftests: execveat: Fix _GNU

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Message-Id: <20190924174711.22068-1-skhan@linuxfoundation.org>
Date:   Tue, 24 Sep 2019 11:47:10 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     shuah@...nel.org, adobriyan@...il.com, akpm@...ux-foundation.org,
        sabyasachi.linux@...il.com
Cc:     Shuah Khan <skhan@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: [PATCH] selftests: execveat: Fix _GNU_SOURCE redefined build warn

Fix the following _GNU_SOURCE redefined build warn:

execveat.c:8: warning: "_GNU_SOURCE" redefined

Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
---
 tools/testing/selftests/exec/execveat.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
index cbb6efbdb786..045a3794792a 100644
--- a/tools/testing/selftests/exec/execveat.c
+++ b/tools/testing/selftests/exec/execveat.c
@@ -5,7 +5,9 @@
  * Selftests for execveat(2).
  */
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE  /* to get O_PATH, AT_EMPTY_PATH */
+#endif
 #include <sys/sendfile.h>
 #include <sys/stat.h>
 #include <sys/syscall.h>
-- 
2.20.1