metag: avoid unnecessary builtin dtb rebuilds
[firefly-linux-kernel-4.4.55.git] / arch / metag / boot / dts / Makefile
1 dtb-y   += skeleton.dtb
2
3 # Built-in dtb
4 builtindtb-y                            := skeleton
5
6 ifneq ($(CONFIG_METAG_BUILTIN_DTB_NAME),"")
7         builtindtb-y                    := $(patsubst "%",%,$(CONFIG_METAG_BUILTIN_DTB_NAME))
8 endif
9
10 dtb-$(CONFIG_METAG_BUILTIN_DTB) += $(builtindtb-y).dtb
11 obj-$(CONFIG_METAG_BUILTIN_DTB) += $(builtindtb-y).dtb.o
12
13 targets += dtbs
14 targets += $(dtb-y)
15
16 .SECONDARY: $(obj)/$(builtindtb-y).dtb.S
17
18 dtbs: $(addprefix $(obj)/, $(dtb-y))
19
20 clean-files += *.dtb *.dtb.S