@@ -47,7 +47,7 @@
/* Thread Local Storage */
/************************/
-#if __STDC_VERSION__ >= 201112L
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
# define UA_THREAD_LOCAL _Thread_local /* C11 */
#elif defined(__GNUC__)
# define UA_THREAD_LOCAL __thread /* GNU extension */
Stasik0