1hostprogs-y := modpost mk_elfconfig 2always := $(hostprogs-y) empty.o 3 4modpost-objs := modpost.o file2alias.o sumversion.o 5 6# dependencies on generated files need to be listed explicitly 7 8$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h 9 10quiet_cmd_elfconfig = MKELF $@ 11 cmd_elfconfig = $(obj)/mk_elfconfig $(ARCH) < $< > $@ 12 13$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE 14 $(call if_changed,elfconfig) 15 16targets += elfconfig.h 17