From 272073785f17f9b202a5b2a62265bbbd2940b07e Mon Sep 17 00:00:00 2001
From: Michael Vetter <jubalh@openmailbox.org>
Date: Sun, 11 Jun 2017 11:20:30 +0200
Subject: Add define to have CLOCK_MONOTONIC work in c99

If we compile with c99 without gnu extensions (gnu99) we need this
define, to have CLOCK_MONOTONIC and similar macros available
---
 src/core.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/core.c')

diff --git a/src/core.c b/src/core.c
index 95f704d1..f2ecfa04 100644
--- a/src/core.c
+++ b/src/core.c
@@ -109,6 +109,10 @@
     #include "external/gif.h"   // Support GIF recording
 #endif
 
+#if defined(__linux__) || defined(PLATFORM_WEB)
+    #define _POSIX_C_SOURCE 199309L // Required for CLOCK_MONOTONIC if compiled with c99 without gnu ext.
+#endif
+
 #include <stdio.h>          // Standard input / output lib
 #include <stdlib.h>         // Required for: malloc(), free(), rand(), atexit()
 #include <stdint.h>         // Required for: typedef unsigned long long int uint64_t, used by hi-res timer
-- 
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