--- valgrind-20031012/configure.in.orig	2003-10-13 00:31:53.000000000 +0200
+++ valgrind-20031012/configure.in	2003-10-21 19:56:45.411847328 +0200
@@ -97,7 +97,7 @@
 kernel=`uname -r`
 
 case "${kernel}" in
-     2.5.*) 
+     2.[[56]].*) 
 	    AC_MSG_RESULT([2.5 family (${kernel})])
 	    AC_DEFINE([KERNEL_2_5], 1, [Define to 1 if you're using Linux 2.5.x])
 	    ;;