1# SPDX-License-Identifier: GPL-2.0 2OBJECT_FILES_NON_STANDARD := y 3CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO) 4 5hostprogs-always-y += modpost mk_elfconfig 6always-y += empty.o 7 8modpost-objs := modpost.o file2alias.o sumversion.o 9 10devicetable-offsets-file := devicetable-offsets.h 11 12$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE 13 $(call filechk,offsets,__DEVICETABLE_OFFSETS_H__) 14 15targets += $(devicetable-offsets-file) devicetable-offsets.s 16 17# dependencies on generated files need to be listed explicitly 18 19$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h 20$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file) 21 22quiet_cmd_elfconfig = MKELF $@ 23 cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@ 24 25$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE 26 $(call if_changed,elfconfig) 27 28targets += elfconfig.h 29