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39 lines
1.1 KiB
39 lines
1.1 KiB
# SPDX-License-Identifier: GPL-2.0
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# include/asm-generic contains a lot of files that are used
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# verbatim by several architectures.
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#
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# This Makefile reads the file arch/$(SRCARCH)/include/$(src)/Kbuild
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# and for each file listed in this file with generic-y creates
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# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/$(src))
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kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild
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-include $(kbuild-file)
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include scripts/Kbuild.include
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# Create output directory if not already present
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_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
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# Stale wrappers when the corresponding files are removed from generic-y
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# need removing.
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generated-y := $(generic-y) $(generated-y)
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all-files := $(patsubst %, $(obj)/%, $(generated-y))
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old-headers := $(wildcard $(obj)/*.h)
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unwanted := $(filter-out $(all-files),$(old-headers))
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quiet_cmd_wrap = WRAP $@
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cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@
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quiet_cmd_remove = REMOVE $(unwanted)
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cmd_remove = rm -f $(unwanted)
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all: $(patsubst %, $(obj)/%, $(generic-y)) FORCE
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$(if $(unwanted),$(call cmd,remove),)
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@:
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$(obj)/%.h:
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$(call cmd,wrap)
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PHONY += FORCE
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.PHONY: $(PHONY)
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FORCE: ;
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