Use C99 versions of __FUNCTION__ & __volatile__ when not building with gcc

diff --git a/shared-core/drm.h b/shared-core/drm.h
index b97ba09..97fab9a 100644 (file)
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -69,6 +69,12 @@
 # define DEPRECATED  __attribute__ ((deprecated))
 #else
 # define DEPRECATED
+# ifndef __FUNCTION__
+#  define __FUNCTION__ __func__ /* C99 */
+# endif
+# ifndef __volatile__
+#  define __volatile__ volatile
+# endif
 #endif
 
 #if defined(__linux__)