From 78426895db6961d57f3f278efafe4ec3793d793d Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Tue, 5 Apr 2016 18:42:16 +0200
Subject: [PATCH] (libretro-common) std=c99 compatibility for rsemaphore.c

---
 libretro-common/rthreads/rsemaphore.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libretro-common/rthreads/rsemaphore.c b/libretro-common/rthreads/rsemaphore.c
index 2a9411ee9c..f3d67f4ef3 100644
--- a/libretro-common/rthreads/rsemaphore.c
+++ b/libretro-common/rthreads/rsemaphore.c
@@ -20,6 +20,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#ifdef __unix__
+#define _POSIX_C_SOURCE 199309
+#endif
+
 #include <stdlib.h>
 
 #include <rthreads/rthreads.h>