-diff -urN linux-2.6.21.1.old/Makefile linux-2.6.21.1.dev/Makefile
---- linux-2.6.21.1.old/Makefile 2007-04-27 23:49:26.000000000 +0200
-+++ linux-2.6.21.1.dev/Makefile 2007-05-26 19:14:22.967804016 +0200
-@@ -507,6 +507,9 @@
+Index: linux-2.6.21.7/Makefile
+===================================================================
+--- linux-2.6.21.7.orig/Makefile
++++ linux-2.6.21.7/Makefile
+@@ -507,6 +507,9 @@ CFLAGS += $(call cc-option, -fn
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
CHECKFLAGS += $(NOSTDINC_FLAGS)