--- /dev/null
+--- a/Rules.mak
++++ b/Rules.mak
+@@ -498,7 +498,8 @@ CFLAGS += -I$(KERNEL_HEADERS)
+
+ # Sigh, some stupid versions of gcc can't seem to cope with '-iwithprefix include'
+ #CFLAGS+=-iwithprefix include
+-CFLAGS+=-isystem $(shell $(CC) -print-file-name=include)
++CC_IPREFIX:=$(shell $(CC) -print-file-name=include)
++CFLAGS+=-isystem $(CC_IPREFIX) -isystem $(CC_IPREFIX)-fixed
+
+ ifneq ($(DOASSERTS),y)
+ CFLAGS+=-DNDEBUG