b5cdca7361
The files auto.conf and tristate.conf are mandatory for building modules.builtin files, therefore include them as such. Usually, the top-level Makefile ensures that those files exist but we want to make sure we get noticed if they are missing for whatever reason. Signed-off-by: Dirk Gouders <dirk@gouders.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
57 lines
1.7 KiB
Makefile
57 lines
1.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# ==========================================================================
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# Generating modules.builtin
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# ==========================================================================
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src := $(obj)
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PHONY := __modbuiltin
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__modbuiltin:
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include include/config/auto.conf
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# tristate.conf sets tristate variables to uppercase 'Y' or 'M'
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# That way, we get the list of built-in modules in obj-Y
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include include/config/tristate.conf
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include scripts/Kbuild.include
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ifneq ($(KBUILD_SRC),)
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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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endif
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# The filename Kbuild has precedence over Makefile
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kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
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kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
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include $(kbuild-file)
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include scripts/Makefile.lib
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__subdir-Y := $(patsubst %/,%,$(filter %/, $(obj-Y)))
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subdir-Y += $(__subdir-Y)
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subdir-ym := $(sort $(subdir-y) $(subdir-Y) $(subdir-m))
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subdir-ym := $(addprefix $(obj)/,$(subdir-ym))
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obj-Y := $(addprefix $(obj)/,$(obj-Y))
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modbuiltin-subdirs := $(patsubst %,%/modules.builtin, $(subdir-ym))
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modbuiltin-mods := $(filter %.ko, $(obj-Y:.o=.ko))
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modbuiltin-target := $(obj)/modules.builtin
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__modbuiltin: $(modbuiltin-target) $(subdir-ym)
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@:
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$(modbuiltin-target): $(subdir-ym) FORCE
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$(Q)(for m in $(modbuiltin-mods); do echo kernel/$$m; done; \
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cat /dev/null $(modbuiltin-subdirs)) > $@
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PHONY += FORCE
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FORCE:
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# Descending
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# ---------------------------------------------------------------------------
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PHONY += $(subdir-ym)
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$(subdir-ym):
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$(Q)$(MAKE) $(modbuiltin)=$@
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.PHONY: $(PHONY)
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