diff --git a/newlib/libc/include/sys/cdefs.h b/newlib/libc/include/sys/cdefs.h
index fa1692c0d..280aefd70 100644
--- a/newlib/libc/include/sys/cdefs.h
+++ b/newlib/libc/include/sys/cdefs.h
@@ -369,6 +369,7 @@
  * void bar(int myArray[__min_size(10)]);
  */
 #if !defined(__cplusplus) && \
+    (defined(__clang__) || __GNUC_PREREQ__(4, 6)) && \
     (!defined(__STDC_VERSION__) || (__STDC_VERSION__ >= 199901))
 #define __min_size(x)	static (x)
 #else