1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2c0dd6716SJosh PoimboeufOBJECT_FILES_NON_STANDARD := y 3*d23dddf8SSami TolvanenCFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO) 4c0dd6716SJosh Poimboeuf 5faabed29SMasahiro Yamadahostprogs-always-y += modpost mk_elfconfig 6faabed29SMasahiro Yamadaalways-y += empty.o 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsmodpost-objs := modpost.o file2alias.o sumversion.o 91da177e4SLinus Torvalds 106543becfSAndreas Schwabdevicetable-offsets-file := devicetable-offsets.h 116543becfSAndreas Schwab 12ebf003f0SMatthias Kaehlcke$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE 13ebf003f0SMatthias Kaehlcke $(call filechk,offsets,__DEVICETABLE_OFFSETS_H__) 146543becfSAndreas Schwab 15bd701343SJan Beulichtargets += $(devicetable-offsets-file) devicetable-offsets.s 1622fc4273SAndreas Schwab 171da177e4SLinus Torvalds# dependencies on generated files need to be listed explicitly 181da177e4SLinus Torvalds 191da177e4SLinus Torvalds$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h 206543becfSAndreas Schwab$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file) 211da177e4SLinus Torvalds 221da177e4SLinus Torvaldsquiet_cmd_elfconfig = MKELF $@ 239e1b9b80SAlan Jenkins cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE 261da177e4SLinus Torvalds $(call if_changed,elfconfig) 271da177e4SLinus Torvalds 281da177e4SLinus Torvaldstargets += elfconfig.h 29