From 88f02bc5dabbd5638e112f8411f44254178917f3 Mon Sep 17 00:00:00 2001
From: nirenjan <nirenjan@gmail.com>
Date: Fri, 5 Jun 2020 16:37:20 -0700
Subject: [PATCH] Add _GNU_SOURCE to all files

If configured with CFLAGS=-std=c99, then quite a few warnings are
raised, as well as a couple of errors. By forcing the system to use
_GNU_SOURCE, we can allow the compilation to succeed even if using a
user defined C standard.
---
 lib/libx52/x52_date_time.c  | 1 +
 utils/cli/x52_cli.c         | 1 +
 utils/test/x52_test.c       | 2 ++
 utils/test/x52_test_clock.c | 1 +
 utils/test/x52_test_led.c   | 1 +
 utils/test/x52_test_mfd.c   | 1 +
 6 files changed, 7 insertions(+)

diff --git a/lib/libx52/x52_date_time.c b/lib/libx52/x52_date_time.c
index 28110b0..bd8ad41 100644
--- a/lib/libx52/x52_date_time.c
+++ b/lib/libx52/x52_date_time.c
@@ -6,6 +6,7 @@
  * SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
  */
 
+#define _GNU_SOURCE
 #include "config.h"
 #include <stdio.h>
 #include <stdint.h>
diff --git a/utils/cli/x52_cli.c b/utils/cli/x52_cli.c
index b403697..e75cd4d 100644
--- a/utils/cli/x52_cli.c
+++ b/utils/cli/x52_cli.c
@@ -143,6 +143,7 @@ possibly through \b sudo(8)
 
 */
 
+#define _GNU_SOURCE
 #include "config.h"
 #include <stdio.h>
 #include <stdint.h>
diff --git a/utils/test/x52_test.c b/utils/test/x52_test.c
index 81f4640..9207bd9 100644
--- a/utils/test/x52_test.c
+++ b/utils/test/x52_test.c
@@ -6,11 +6,13 @@
  * SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
  */
 
+#define _GNU_SOURCE
 #include "config.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <signal.h>
 #include <string.h>
+#include <locale.h>
 #include <time.h>
 
 #include "libx52.h"
diff --git a/utils/test/x52_test_clock.c b/utils/test/x52_test_clock.c
index e084e1e..c0371e7 100644
--- a/utils/test/x52_test_clock.c
+++ b/utils/test/x52_test_clock.c
@@ -6,6 +6,7 @@
  * SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
  */
 
+#define _GNU_SOURCE
 #include "config.h"
 #include <stdio.h>
 #include <string.h>
diff --git a/utils/test/x52_test_led.c b/utils/test/x52_test_led.c
index 002171d..ed197f7 100644
--- a/utils/test/x52_test_led.c
+++ b/utils/test/x52_test_led.c
@@ -6,6 +6,7 @@
  * SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
  */
 
+#define _GNU_SOURCE
 #include "config.h"
 #include <stdio.h>
 #include <string.h>
diff --git a/utils/test/x52_test_mfd.c b/utils/test/x52_test_mfd.c
index 11d9307..dc68736 100644
--- a/utils/test/x52_test_mfd.c
+++ b/utils/test/x52_test_mfd.c
@@ -6,6 +6,7 @@
  * SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
  */
 
+#define _GNU_SOURCE
 #include "config.h"
 #include <stdio.h>
 #include <string.h>