mutex.cpp: avoid warning about -Wzero-as-null-pointer-constant with c…

…lang 3.8
OSGeo · Aug 9, 2019 · e11ca45 · e11ca45
1 parent 740be1b
commit e11ca45
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/mutex.cpp b/src/mutex.cpp
@@ -101,12 +101,12 @@ void pj_cleanup_lock()
 #include "pthread.h"
 
 #ifdef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__clang__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
 #endif
 static pthread_mutex_t core_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__clang__)
 #pragma GCC diagnostic pop
 #endif
 #else