1 2 3ifneq '$(CONFIG_OPENRISC_BUILTIN_DTB)' '""' 4BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_OPENRISC_BUILTIN_DTB)).dtb.o 5else 6BUILTIN_DTB := 7endif 8obj-y += $(BUILTIN_DTB) 9 10clean-files := *.dtb.S 11 12#DTC_FLAGS ?= -p 1024 13 14$(obj)/%.dtb: $(src)/dts/%.dts FORCE 15 $(call if_changed_dep,dtc) 16