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