X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsafe-alloc.h;h=f07ee916c770fb37d38a0dd84ebffbb872a634f2;hb=1a2869593e115e4a6c74aaa0b23ca612357403ce;hp=3fa3f2eed871d6d76fcdd8e7e69e271509d42733;hpb=bdec3e410196c242757abb0a130dd929e6375615;p=gnulib.git

diff --git a/lib/safe-alloc.h b/lib/safe-alloc.h
index 3fa3f2eed..f07ee916c 100644
--- a/lib/safe-alloc.h
+++ b/lib/safe-alloc.h
@@ -26,6 +26,15 @@
 
 # include <stdlib.h>
 
+#ifndef __GNUC_PREREQ
+# if defined __GNUC__ && defined __GNUC_MINOR__
+#  define __GNUC_PREREQ(maj, min)                                       \
+  ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+# else
+#  define __GNUC_PREREQ(maj, min) 0
+# endif
+#endif
+
 # ifndef ATTRIBUTE_RETURN_CHECK
 #  if __GNUC_PREREQ (3, 4)
 #   define ATTRIBUTE_RETURN_CHECK __attribute__((__warn_unused_result__))