From b735db9ef342973deb628129fc04f0d295616164 Mon Sep 17 00:00:00 2001
From: Benoit Germain <b n t DOT g e r m a i n AT g m a i l DOT c o m>
Date: Mon, 22 Apr 2019 14:10:23 +0200
Subject: Fix _GNU_SOURCE redefinition (#171)

---
 src/threading.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/threading.c b/src/threading.c
index 1eab52f..f1720eb 100644
--- a/src/threading.c
+++ b/src/threading.c
@@ -1,6 +1,6 @@
 /*
  * THREADING.C                        Copyright (c) 2007-08, Asko Kauppi
- *                                    Copyright (C) 2009-14, Benoit Germain
+ *                                    Copyright (C) 2009-19, Benoit Germain
  *
  * Lua Lanes OS threading specific code.
  *
@@ -35,12 +35,17 @@ THE SOFTWARE.
 ===============================================================================
 */
 #if defined(__linux__)
-# define _GNU_SOURCE /* must be defined before any include */
+
+# ifndef _GNU_SOURCE // definition by the makefile can cause a redefinition error
+# define _GNU_SOURCE // must be defined before any include
+# endif // _GNU_SOURCE
+
 # ifdef __ANDROID__
 #  include <android/log.h>
 #  define LOG_TAG "LuaLanes"
-# endif
-#endif
+# endif // __ANDROID__
+
+#endif // __linux__
 
 #include <stdio.h>
 #include <stdlib.h>
-- 
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