From 754aa6e94f6633e5a4695f3db064c9ebedd47b0a Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Tue, 1 Dec 2015 13:42:06 +0100
Subject: [PATCH] Work thread: Add missing header for Linux

---
 src/platforms/posix/work_queue/work_thread.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/platforms/posix/work_queue/work_thread.c b/src/platforms/posix/work_queue/work_thread.c
index 8a88bdc505..f8ff2a52fd 100644
--- a/src/platforms/posix/work_queue/work_thread.c
+++ b/src/platforms/posix/work_queue/work_thread.c
@@ -45,6 +45,10 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <queue.h>
+#ifdef __PX4_LINUX
+#define _GNU_SOURCE
+#endif
+#include <pthread.h>
 #include <px4_workqueue.h>
 #include <drivers/drv_hrt.h>
 #include "work_lock.h"