Ticket #3481: stdio.h.diff

headers/posix/libio.h

@@ -217 +217 @@
 #ifdef __cplusplus
 #   define __INLINE inline
 #else
-#   define __INLINE extern __inline
+/* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
+   inline semantics.  */
+//#if __GNUC_PREREQ(4, 3)  // <- Gives parse error. Don't know why.
+#   if 4 < __GNUC__ || (4 == __GNUC__ && 3 <= __GNUC_MINOR__)
+#       ifdef __STDC__VERSION__
+#           if __STDC__VERSION__ + 0 > 199900
+#               define __INLINE __attribute__((__extern_inline__)) __inline
+#           endif
+#       endif
+#   endif
+#   ifndef __INLINE
+#       define __INLINE extern __inline
+#   endif
 #endif
 
 __INLINE int