# include/asm-generic contains a lot of files that are used# verbatim by several architectures.## This Makefile reads the file arch/$(SRCARCH)/include/asm/Kbuild# and for each file listed in this file with generic-y creates# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm) kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild-include $(kbuild-file) include scripts/Kbuild.include # Create output directory if not already present_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) # Stale wrappers when the corresponding files are removed from generic-y# need removing.generated-y   := $(generic-y) $(genhdr-y) $(generated-y)all-files     := $(patsubst %, $(obj)/%, $(generated-y))old-headers   := $(wildcard $(obj)/*.h)unwanted      := $(filter-out $(all-files),$(old-headers)) quiet_cmd_wrap = WRAP    $@cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@ quiet_cmd_remove = REMOVE  $(unwanted)cmd_remove = rm -f $(unwanted) all: $(patsubst %, $(obj)/%, $(generic-y)) FORCE	$(if $(unwanted),$(call cmd,remove),)	@: $(obj)/%.h:	$(call cmd,wrap) PHONY += FORCE.PHONY: $(PHONY)FORCE: ;