1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593SmuzhiyunOBJECT_FILES_NON_STANDARD := y 3*4882a593SmuzhiyunCFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO) 4*4882a593Smuzhiyun 5*4882a593Smuzhiyunhostprogs-always-y += modpost mk_elfconfig 6*4882a593Smuzhiyunalways-y += empty.o 7*4882a593Smuzhiyun 8*4882a593Smuzhiyunmodpost-objs := modpost.o file2alias.o sumversion.o 9*4882a593Smuzhiyun 10*4882a593Smuzhiyundevicetable-offsets-file := devicetable-offsets.h 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE 13*4882a593Smuzhiyun $(call filechk,offsets,__DEVICETABLE_OFFSETS_H__) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyuntargets += $(devicetable-offsets-file) devicetable-offsets.s 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun# dependencies on generated files need to be listed explicitly 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h 20*4882a593Smuzhiyun$(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyunquiet_cmd_elfconfig = MKELF $@ 23*4882a593Smuzhiyun cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@ 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE 26*4882a593Smuzhiyun $(call if_changed,elfconfig) 27*4882a593Smuzhiyun 28*4882a593Smuzhiyuntargets += elfconfig.h 29