From d3eea8f606b240f9cc0cea2a7c2e32d488666754 Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <peter@korsgaard.com>
Date: Mon, 15 Sep 2014 14:51:24 +0200
Subject: [PATCH] v4l2allocator: O_CLOEXEC needs _GNU_SOURCE

Similar to 94f3d6fc / bz 709423

On some systems (E.G. uClibc and older Glibc versions), O_CLOEXEC is only
defined when _GNU_SOURCE is specified, so do so.

https://bugzilla.gnome.org/show_bug.cgi?id=736670
---
 sys/v4l2/gstv4l2allocator.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/v4l2/gstv4l2allocator.c b/sys/v4l2/gstv4l2allocator.c
index 2bc51c48a2..a5c96269c4 100644
--- a/sys/v4l2/gstv4l2allocator.c
+++ b/sys/v4l2/gstv4l2allocator.c
@@ -21,6 +21,10 @@
 
 #include "config.h"
 
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE            /* O_CLOEXEC */
+#endif
+
 #include "ext/videodev2.h"
 #include "gstv4l2allocator.h"
 #include "v4l2_calls.h"