--- glibc-2.4.90/include/features.h.gcc4-fortify	2006-04-27 08:54:33.000000000 -0400
+++ glibc-2.4.90/include/features.h	2006-05-11 12:22:19.000000000 -0400
@@ -275,7 +275,7 @@
 #endif
 
 #if defined _FORTIFY_SOURCE && _FORTIFY_SOURCE > 0 \
-    && __GNUC_PREREQ (4, 1) && defined __OPTIMIZE__ && __OPTIMIZE__ > 0
+    && __GNUC_PREREQ (4, 0) && defined __OPTIMIZE__ && __OPTIMIZE__ > 0
 # if _FORTIFY_SOURCE > 1
 #  define __USE_FORTIFY_LEVEL 2
 # else