Apple OS X clang does not support thread_local keyword

khizmax · Mar 17, 2015 · ab7328b · ab7328b
1 parent 11bdbbb
commit ab7328b
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/cds/compiler/clang/defs.h b/cds/compiler/clang/defs.h
@@ -39,7 +39,13 @@
 #define CDS_NOEXCEPT_SUPPORT_(expr) noexcept(expr)
 
 // C++11 thread_local keyword
-#define CDS_CXX11_THREAD_LOCAL_SUPPORT
+#if !(CDS_OS_TYPE == CDS_OS_OSX && CDS_COMPILER_VERSION < 30600)
+    // OS X error? 
+    // See http://stackoverflow.com/questions/23791060/c-thread-local-storage-clang-503-0-40-mac-osx
+    // http://stackoverflow.com/questions/28094794/why-does-apple-clang-disallow-c11-thread-local-when-official-clang-supports
+    // clang 3.6 ok?..
+#   define CDS_CXX11_THREAD_LOCAL_SUPPORT
+#endif
 
 // Full SFINAE support
 #define CDS_CXX11_SFINAE