X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/43cc2463d26364b13b776dd272170a809b2db800..e89a22bfab22e4d2ee73be49dcb66b51f8d0e892:/src/system.h

diff --git a/src/system.h b/src/system.h
index feffaee5..8d480333 100644
--- a/src/system.h
+++ b/src/system.h
@@ -138,7 +138,8 @@ void *memrchr PARAMS ((const void *s, int c, size_t n));
 
 #ifndef __attribute__
 /* This feature is available in gcc versions 2.5 and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if !defined (__GNUC__) || __GNUC__ < 2 || \
+(__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
 #  define __attribute__(Spec) /* empty */
 # endif
 /* The __-protected variants of `format' and `printf' attributes