forked from OSchip/llvm-project
200 lines
6.4 KiB
Makefile
200 lines
6.4 KiB
Makefile
SubDirs := lib
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# Set default rule before anything else.
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all::
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include make/config.mk
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include make/util.mk
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# If SRCROOT is defined, assume we are doing an Apple style build. We
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# should be able to use RC_XBS for this but that is unused during
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# "make installsrc".
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ifdef SRCROOT
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include make/AppleBI.mk
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endif
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# Make sure we don't build with a missing ProjObjRoot.
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ifeq ($(ProjObjRoot),)
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$(error Refusing to build with empty ProjObjRoot variable)
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endif
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##############
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###
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# Rules
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###
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# Top level targets
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# Provide default clean target which is extended by other templates.
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.PHONY: clean
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clean::
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# Test
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.PHONY: test
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test:
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cd test/Unit && ./test
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# Template: Config_template Config
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#
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# This template is used once per Config at the top-level.
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define Config_template
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$(call Set,ActiveConfig,$1)
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$(call Set,ActiveObjPath,$(ProjObjRoot)/$(ActiveConfig))
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$(call Set,ActiveLibGen,$(ActiveObjPath)/libcompiler_rt.Generic.a)
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$(call Set,ActiveLibOpt,$(ActiveObjPath)/libcompiler_rt.Optimized.a)
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# The sublibraries to use for a generic version.
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$(call Set,GenericInputs,$(foreach arch,$(TargetArchs),$(ActiveObjPath)/$(arch)/libcompiler_rt.Generic.a))
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# The sublibraries to use for an optimized version.
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$(call Set,OptimizedInputs,$(foreach arch,$(TargetArchs),$(ActiveObjPath)/$(arch)/libcompiler_rt.Optimized.a))
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# Provide top-level fat archive targets. We make sure to not try to lipo if only
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# building one target arch.
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$(ActiveLibGen): $(GenericInputs) $(ActiveObjPath)/.dir
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$(Summary) " UNIVERSAL: $(ActiveConfig): $$@"
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-$(Verb) $(RM) $$@
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$(if $(TargetArch), \
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$(Verb) $(CP) $(GenericInputs) $$@, \
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$(Verb) $(Lipo) -create -output $$@ $(GenericInputs))
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$(ActiveLibOpt): $(OptimizedInputs) $(ActiveObjPath)/.dir
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$(Summary) " UNIVERSAL: $(ActiveConfig): $$@"
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-$(Verb) $(RM) $$@
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$(if $(TargetArch), \
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$(Verb) $(CP) $(GenericInputs) $$@, \
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$(Verb) $(Lipo) -create -output $$@ $(OptimizedInputs))
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.PRECIOUS: $(ActiveObjPath)/.dir
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# Add to target lists.
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all:: $(ActiveConfig) $(ActiveLibGen) $(ActiveLibOpt)
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# Remove entire config directory on clean.
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clean:: $(ActiveObjPath)/.remove
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endef
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# Template: CNA_template Config Arch
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#
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# This template is used once per Config/Arch at the top-level.
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define CNA_template
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$(call Set,ActiveConfig,$1)
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$(call Set,ActiveArch,$2)
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$(call Set,ActiveObjPath,$(ProjObjRoot)/$(ActiveConfig)/$(ActiveArch))
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$(call Set,ActiveLibGen,$(ActiveObjPath)/libcompiler_rt.Generic.a)
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$(call Set,ActiveLibOpt,$(ActiveObjPath)/libcompiler_rt.Optimized.a)
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# Initialize inputs lists. This are extended by the CNA_subdir
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# template. The one tricky bit is that we need to use these quoted,
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# because they are not complete until the entire makefile has been
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# processed.
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$(call Set,GenericInputs.$(ActiveConfig).$(ActiveArch),)
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$(call Set,OptimizedInputs.$(ActiveConfig).$(ActiveArch),)
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# Final.Inputs is created once we have loaded all the subdirectories
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# and know what the correct inputs are.
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# Provide top-level archive targets.
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$(ActiveLibGen): $(ActiveObjPath)/.dir
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$(Summary) " ARCHIVE: $(ActiveConfig)/$(ActiveArch): $$@"
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-$(Verb) $(RM) $$@
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$(Verb) $(Archive) $$@ $$(Generic.Inputs.$(ActiveConfig).$(ActiveArch))
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$(Verb) $(Ranlib) $$@
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# FIXME: The dependency on ActiveLibGen is a hack, this picks up the
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# dependencies on the generic inputs.
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$(ActiveLibOpt): $(ActiveLibGen) $(ActiveObjPath)/.dir
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$(Summary) " ARCHIVE: $(ActiveConfig)/$(ActiveArch): $$@"
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-$(Verb) $(RM) $$@
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$(Verb) $(Archive) $$@ $$(Final.Inputs.$(ActiveConfig).$(ActiveArch))
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$(Verb) $(Ranlib) $$@
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.PRECIOUS: $(ActiveObjPath)/.dir
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# Provide some default "alias" targets.
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$(ActiveConfig):: $(ActiveLibGen) $(ActiveLibOpt)
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$(ActiveArch):: $(ActiveLibGen) $(ActiveLibOpt)
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$(ActiveConfig)-$(ActiveArch):: $(ActiveLibGen) $(ActiveLibOpt)
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endef
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$(foreach config,$(Configs), \
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$(foreach arch,$(Archs), \
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$(eval $(call CNA_template,$(config),$(arch)))))
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$(foreach config,$(Configs), \
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$(eval $(call Config_template,$(config))))
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###
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# How to build things.
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# Define rules for building on each configuration & architecture. This
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# is not exactly obvious, but variables inside the template are being
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# expanded during the make processing, so automatic variables must be
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# quoted and normal assignment cannot be used.
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# Template: CNA_template Config Arch Dir
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# Uses: GetArgs, Dependencies, ObjNames
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#
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# This template is used once per Config/Arch/Dir.
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define CNA_subdir_template
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$(call Set,ActiveConfig,$1)
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$(call Set,ActiveArch,$2)
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$(call Set,ActiveDir,$3)
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$(call Set,ActiveSrcPath,$(ProjSrcRoot)/$(ActiveDir))
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$(call Set,ActiveObjPath,$(ProjObjRoot)/$(ActiveDir)/$(ActiveConfig)/$(ActiveArch))
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$(call Set,ActiveFlags,$(call GetArgs,$(ActiveConfig),$(ActiveArch)))
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$(call Set,ActiveObjects,$(ObjNames:%=$(ActiveObjPath)/%))
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# Add to the input list for the appropriate library and update the
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# dependency.
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$(call Append,$(Target).Inputs.$(ActiveConfig).$(ActiveArch),$(ActiveObjects))
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$(ProjObjRoot)/$(ActiveConfig)/$(ActiveArch)/libcompiler_rt.$(Target).a: $(ActiveObjects)
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$(ActiveObjPath)/%.o: $(ActiveSrcPath)/%.s $(Dependencies) $(ActiveObjPath)/.dir
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$(Summary) " ASSEMBLE: $(ActiveConfig)/$(ActiveArch): $$<"
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$(Verb) $(CC) -c -o $$@ $(ActiveFlags) $$<
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.PRECIOUS: $(ActiveObjPath)/.dir
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$(ActiveObjPath)/%.o: $(ActiveSrcPath)/%.c $(Dependencies) $(ActiveObjPath)/.dir
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$(Summary) " COMPILE: $(ActiveConfig)/$(ActiveArch): $$<"
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$(Verb) $(CC) -c -o $$@ $(ActiveFlags) $$<
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.PRECIOUS: $(ActiveObjPath)/.dir
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# Remove entire config directory on clean.
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clean:: $(ProjObjRoot)/$(ActiveDir)/$(ActiveConfig)/.remove
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endef
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###
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# Directory handling magic.
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# Create directories as needed, and timestamp their creation.
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%/.dir:
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$(Summary) " MKDIR: $*"
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$(Verb) $(MKDIR) $* > /dev/null
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$(Verb) $(DATE) > $@
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# Remove directories
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%/.remove:
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$(Verb) $(RM) -r $*
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###
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# Include child makefile fragments
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$(foreach subdir,$(SubDirs),$(eval include $(subdir)/Makefile.mk))
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###
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# Determine the actual inputs for an optimized library.
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# Template: Final_CNA_template Config Arch
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# Uses: GetArgs, Dependencies, ObjNames
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#
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# This template is used once per Config/Arch.
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define Final_CNA_template
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$(call Set,ActiveConfig,$1)
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$(call Set,ActiveArch,$2)
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$(call Set,Final.Inputs.$(ActiveConfig).$(ActiveArch),\
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$(shell make/filter-inputs \
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$(Optimized.Inputs.$(ActiveConfig).$(ActiveArch)) \
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$(Generic.Inputs.$(ActiveConfig).$(ActiveArch))))
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endef
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$(foreach config,$(Configs), \
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$(foreach arch,$(Archs), \
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$(eval $(call Final_CNA_template,$(config),$(arch)))))
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