arch/cris/boot/dts/Makefile - linux - Git at Google

 # SPDX-License-Identifier: GPL-2.0
 BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o
 ifneq ($(CONFIG_BUILTIN_DTB),"")
 obj-$(CONFIG_OF) += $(BUILTIN_DTB)
 endif
	# SPDX-License-Identifier: GPL-2.0
	BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o
	ifneq ($(CONFIG_BUILTIN_DTB),"")
	obj-$(CONFIG_OF) += $(BUILTIN_DTB)
	endif