From c3b7f48a19a086997d2948b65cc63ba5a9a51f67 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sun, 28 Jun 2015 18:49:41 +0200
Subject: pj_mutex.c: avoid warning about pthread_mutexattr_settype being
 undefined

---
 src/pj_mutex.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/pj_mutex.c b/src/pj_mutex.c
index f61be2e2..349537c8 100644
--- a/src/pj_mutex.c
+++ b/src/pj_mutex.c
@@ -28,6 +28,11 @@
 
 /* projects.h and windows.h conflict - avoid this! */
 
+#if defined(MUTEX_pthread) && !defined(_XOPEN_SOURCE)
+// For pthread_mutexattr_settype
+#define _XOPEN_SOURCE 500
+#endif
+
 #ifndef _WIN32
 #include <projects.h>
 #else
-- 
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