HOSTCC := gcc
-BOOTCFLAGS := $(HOSTCFLAGS) $(LINUXINCLUDE) -fno-builtin
-BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional
+BOOTCFLAGS := $(HOSTCFLAGS) -fno-builtin -nostdinc -isystem $(shell $(CROSS32CC) -print-file-name=include)
+BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
BOOTLFLAGS := -Ttext 0x00400000 -e _start -T $(srctree)/$(src)/zImage.lds
OBJCOPYFLAGS := contents,alloc,load,readonly,data