1global-incdirs-y += include 2cflags-y += -Wno-cast-align 3cflags-y += -Wno-sign-compare 4cflags-y += -Wno-switch-default 5srcs-y += fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c 6srcs-y += fdt_empty_tree.c fdt_addresses.c fdt_overlay.c 7