X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/777a83b9305f79b18aa1b1e7ef524d0ddf5890cb..90f3228dce874d9263495c51cf906f51f2fadcfd:/h/mh.h

diff --git a/h/mh.h b/h/mh.h
index 2723a42a..6b4466bf 100644
--- a/h/mh.h
+++ b/h/mh.h
@@ -40,9 +40,14 @@ typedef unsigned char  boolean;  /* not int so we can pack in a structure */
 /* If we're using gcc then tell it extra information so it can do more
  * compile-time checks. */
 #if __GNUC__ > 2
-#define NORETURN __attribute__((__noreturn__))
-#define CHECK_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
 #define ALLOC_SIZE(...) __attribute__((alloc_size(__VA_ARGS__)))
+#define CHECK_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
+#else  /* gcc < 4.3.0 */
+#define ALLOC_SIZE(...)
+#define CHECK_PRINTF(fmt, arg)
+#endif /* gcc < 4.3.0 */
+#define NORETURN __attribute__((__noreturn__))
 #define CONST __attribute__((const))
 #define MALLOC __attribute__((malloc))
 #define NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))