Hi Rob, 2018年9月29日(土) 0:43 Rob Herring <robh@xxxxxxxxxx>: > +# > --------------------------------------------------------------------------- > +# Devicetree files > + > +ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),) > +dtstree := arch/$(SRCARCH)/boot/dts > +endif > + > +ifneq ($(dtstree),) > + > +%.dtb : scripts_dtc %.dtb: prepare3 prepare because we need to make sure KERNELRELEASE is correctly defined before dtbs_install happens. > + $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ > + > +PHONY += dtbs dtbs_install > +dtbs: scripts_dtc dtbs: prepare3 scripts_dtc > + $(Q)$(MAKE) $(build)=$(dtstree) > + > +dtbs_install: dtbs Please do not have dtbs_install to depend on dtbs. No install targets should ever trigger building anything in the source tree. For the background, see the commit log of 19514fc665ffbce624785f76ee7ad0ea6378a527 > + $(Q)$(MAKE) $(dtbinst)=$(dtstree) > + > +ifdef CONFIG_OF_EARLY_FLATTREE > +all: dtbs > +endif > + > +endif > + > +PHONY += scripts_dtc > +scripts_dtc: scripts_basic > + $(Q)$(MAKE) $(build)=scripts/dtc > + > # > --------------------------------------------------------------------------- > # Modules > -- Best Regards Masahiro Yamada