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

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Message-Id: <20190924181910.23588-2-skhan@linuxfoundation.org>
Date:   Tue, 24 Sep 2019 12:19:10 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     adobriyan@...il.com, shuah@...nel.org, akpm@...ux-foundation.org,
        sabyasachi.linux@...il.com, jrdr.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: proc: Fix _GNU_SOURCE redefined build warns

Fix the following _GNU_SOURCE redefined build warns:

proc-loadavg-001.c:17: warning: "_GNU_SOURCE" redefined
proc-self-syscall.c:16: warning: "_GNU_SOURCE" redefined
proc-uptime-002.c:18: warning: "_GNU_SOURCE" redefined

Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
---
 tools/testing/selftests/proc/proc-loadavg-001.c  | 2 ++
 tools/testing/selftests/proc/proc-self-syscall.c | 2 ++
 tools/testing/selftests/proc/proc-uptime-002.c   | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/tools/testing/selftests/proc/proc-loadavg-001.c b/tools/testing/selftests/proc/proc-loadavg-001.c
index 471e2aa28077..e29326a708e4 100644
--- a/tools/testing/selftests/proc/proc-loadavg-001.c
+++ b/tools/testing/selftests/proc/proc-loadavg-001.c
@@ -14,7 +14,9 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 /* Test that /proc/loadavg correctly reports last pid in pid namespace. */
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <errno.h>
 #include <sched.h>
 #include <sys/types.h>
diff --git a/tools/testing/selftests/proc/proc-self-syscall.c b/tools/testing/selftests/proc/proc-self-syscall.c
index 9f6d000c0245..6a01448df035 100644
--- a/tools/testing/selftests/proc/proc-self-syscall.c
+++ b/tools/testing/selftests/proc/proc-self-syscall.c
@@ -13,7 +13,9 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <unistd.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
diff --git a/tools/testing/selftests/proc/proc-uptime-002.c b/tools/testing/selftests/proc/proc-uptime-002.c
index 30e2b7849089..35eec74540ae 100644
--- a/tools/testing/selftests/proc/proc-uptime-002.c
+++ b/tools/testing/selftests/proc/proc-uptime-002.c
@@ -15,7 +15,9 @@
  */
 // Test that values in /proc/uptime increment monotonically
 // while shifting across CPUs.
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #undef NDEBUG
 #include <assert.h>
 #include <unistd.h>
-- 
2.20.1