forked from OSchip/llvm-project
244 lines
7.7 KiB
Makefile
244 lines
7.7 KiB
Makefile
SubDirs := lib
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# Set default rule before anything else.
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all: help
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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 should be
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# able to use RC_XBS for this but that is unused during "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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# FIXME: Document the available subtargets.
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help:
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@echo "usage: make [{VARIABLE=VALUE}*] target"
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@echo
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@echo "User variables:"
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@echo " VERBOSE=1: Use to show all commands [default=0]"
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@echo
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@echo "Available targets:"
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@echo " <platform name>: build the libraries for 'platform'"
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@echo " clean: clean all configurations"
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@echo " test: run unit tests"
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@echo
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@echo " info-platforms: list available platforms"
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@echo " help-devel: print additional help for developers"
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@echo
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help-devel: help
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@echo "Development targets:"
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@echo " <platform name>-<config name>:"
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@echo " build the libraries for a single platform config"
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@echo " <platform name>-<config name>-<arch name>:"
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@echo " build the libraries for a single config and arch"
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@echo " info-functions: list available compiler-rt functions"
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@echo " help-hidden: print help for Makefile debugging"
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@echo
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help-hidden: help-devel
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@echo "Debugging variables:"
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@echo " DEBUGMAKE=1: enable some Makefile logging [default=]"
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@echo " =2: enable more Makefile logging"
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@echo
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@echo "Debugging targets:"
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@echo " make-print-FOO: print information on the variable 'FOO'"
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@echo
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info-functions:
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@echo "compiler-rt Available Functions"
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@echo
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@echo "All Functions: $(AvailableFunctions)"
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@$(foreach fn,$(AvailableFunctions),\
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printf " %-20s - available in (%s)\n" $(fn)\
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"$(foreach key,$(AvailableIn.$(fn)),$($(key).Dir))";)
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info-platforms:
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@echo "compiler-rt Available Platforms"
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@echo
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@echo "Platforms:"
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@$(foreach key,$(PlatformKeys),\
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printf " %s - from '%s'\n" $($(key).Name) $($(key).Path);\
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printf " %s\n" "$($(key).Description)";\
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printf " Configurations: %s\n\n" "$($(key).Configs)";)
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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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###
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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 $*
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###
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# Include child makefile fragments
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Dir := .
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include make/subdir.mk
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include make/lib_info.mk
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include make/lib_util.mk
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include make/lib_platforms.mk
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###
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# Define Platform Rules
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define PerPlatform_template
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$(call Set,Tmp.Key,$(1))
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$(call Set,Tmp.Name,$($(Tmp.Key).Name))
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$(call Set,Tmp.Configs,$($(Tmp.Key).Configs))
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$(call Set,Tmp.ObjPath,$(ProjObjRoot)/$(Tmp.Name))
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# Top-Level Platform Target
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$(Tmp.Name):: $(Tmp.Configs:%=$(Tmp.ObjPath)/%/libcompiler_rt.a)
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.PHONY: $(Tmp.Name)
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clean::
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$(Verb) rm -rf $(Tmp.ObjPath)
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# Per-Config Libraries
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$(foreach config,$(Tmp.Configs),\
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$(call PerPlatformConfig_template,$(config)))
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endef
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define PerPlatformConfig_template
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$(call Set,Tmp.Config,$(1))
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$(call Set,Tmp.ObjPath,$(ProjObjRoot)/$(Tmp.Name)/$(Tmp.Config))
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# Compute the archs to build, depending on whether this is a universal build or
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# not.
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$(call Set,Tmp.ArchsToBuild,\
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$(if $(call IsDefined,$(Tmp.Key).UniversalArchs),\
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$(strip \
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$(or $($(Tmp.Key).UniversalArchs.$(Tmp.Config)),\
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$($(Tmp.Key).UniversalArchs))),\
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$(call VarOrDefault,$(Tmp.Key).Arch.$(Tmp.Config),$($(Tmp.Key).Arch))))
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# Copy or lipo to create the per-config library.
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$(call Set,Tmp.Inputs,$(Tmp.ArchsToBuild:%=$(Tmp.ObjPath)/%/libcompiler_rt.a))
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$(Tmp.ObjPath)/libcompiler_rt.a: $(Tmp.Inputs) $(Tmp.ObjPath)/.dir
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$(Summary) " FINAL-ARCHIVE: $(Tmp.Name)/$(Tmp.Config): $$@"
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-$(Verb) $(RM) $$@
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$(if $(call streq,1,$(words $(Tmp.ArchsToBuild))), \
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$(Verb) $(CP) $(Tmp.Inputs) $$@, \
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$(Verb) $(LIPO) -create -output $$@ $(Tmp.Inputs))
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.PRECIOUS: $(Tmp.ObjPath)/.dir
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# Per-Config Targets
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$(Tmp.Name)-$(Tmp.Config):: $(Tmp.ObjPath)/libcompiler_rt.a
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.PHONY: $(Tmp.Name)-$(Tmp.Config)
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# Per-Config-Arch Libraries
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$(foreach arch,$(Tmp.ArchsToBuild),\
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$(call PerPlatformConfigArch_template,$(arch)))
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endef
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define PerPlatformConfigArch_template
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$(call Set,Tmp.Arch,$(1))
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$(call Set,Tmp.ObjPath,$(ProjObjRoot)/$(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch))
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$(call Set,Tmp.Functions,$(strip \
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$(call GetCNAVar,FUNCTIONS,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.Optimized,$(strip \
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$(call GetCNAVar,OPTIMIZED,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.AR,$(strip \
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$(call GetCNAVar,AR,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.ARFLAGS,$(strip \
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$(call GetCNAVar,ARFLAGS,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.RANLIB,$(strip \
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$(call GetCNAVar,RANLIB,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.RANLIBFLAGS,$(strip \
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$(call GetCNAVar,RANLIBFLAGS,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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# Compute the object inputs for this library.
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$(call Set,Tmp.Inputs,\
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$(foreach fn,$(sort $(Tmp.Functions)),\
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$(call Set,Tmp.FnDir,\
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$(call SelectFunctionDir,$(Tmp.Config),$(Tmp.Arch),$(fn),$(Tmp.Optimized)))\
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$(Tmp.ObjPath)/$(Tmp.FnDir)/$(fn).o))
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$(Tmp.ObjPath)/libcompiler_rt.a: $(Tmp.Inputs) $(Tmp.ObjPath)/.dir
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$(Summary) " ARCHIVE: $(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch): $$@"
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-$(Verb) $(RM) $$@
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$(Verb) $(Tmp.AR) $(Tmp.ARFLAGS) $$@ $(Tmp.Inputs)
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$(Verb) $(Tmp.RANLIB) $(Tmp.RANLIBFLAGS) $$@
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.PRECIOUS: $(Tmp.ObjPath)/.dir
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# Per-Config-Arch Targets
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$(Tmp.Name)-$(Tmp.Config)-$(Tmp.Arch):: $(Tmp.ObjPath)/libcompiler_rt.a
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.PHONY: $(Tmp.Name)-$(Tmp.Config)-$(Tmp.Arch)
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# Per-Config-Arch-SubDir Objects
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$(foreach key,$(SubDirKeys),\
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$(call PerPlatformConfigArchSubDir_template,$(key)))
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endef
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define PerPlatformConfigArchSubDir_template
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$(call Set,Tmp.SubDirKey,$(1))
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$(call Set,Tmp.SubDir,$($(Tmp.SubDirKey).Dir))
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$(call Set,Tmp.SrcPath,$(ProjSrcRoot)/$(Tmp.SubDir))
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$(call Set,Tmp.ObjPath,$(ProjObjRoot)/$(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch)/$(Tmp.SubDirKey))
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$(call Set,Tmp.Dependencies,$($(Tmp.SubDirKey).Dependencies))
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$(call Set,Tmp.CC,$(strip \
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$(call GetCNAVar,CC,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.KERNEL_USE,$(strip \
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$(call GetCNAVar,KERNEL_USE,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.VISIBILITY_HIDDEN,$(strip \
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$(call GetCNAVar,VISIBILITY_HIDDEN,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(call Set,Tmp.CFLAGS,$(strip \
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$(if $(call IsDefined,$(Tmp.Key).UniversalArchs),-arch $(Tmp.Arch),)\
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$(if $(call streq,$(Tmp.VISIBILITY_HIDDEN),1),\
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-fvisibility=hidden -DVISIBILITY_HIDDEN,)\
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$(if $(call streq,$(Tmp.KERNEL_USE),1),\
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-mkernel -DKERNEL_USE,)\
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$(call GetCNAVar,CFLAGS,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
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$(Tmp.ObjPath)/%.o: $(Tmp.SrcPath)/%.s $(Tmp.Dependencies) $(Tmp.ObjPath)/.dir
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$(Summary) " ASSEMBLE: $(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch): $$<"
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$(Verb) $(Tmp.CC) $(Tmp.CFLAGS) -c -o $$@ $$<
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$(Tmp.ObjPath)/%.o: $(Tmp.SrcPath)/%.S $(Tmp.Dependencies) $(Tmp.ObjPath)/.dir
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$(Summary) " ASSEMBLE: $(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch): $$<"
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$(Verb) $(Tmp.CC) $(Tmp.CFLAGS) -c -o $$@ $$<
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$(Tmp.ObjPath)/%.o: $(Tmp.SrcPath)/%.c $(Tmp.Dependencies) $(Tmp.ObjPath)/.dir
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$(Summary) " COMPILE: $(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch): $$<"
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$(Verb) $(Tmp.CC) $(Tmp.CFLAGS) -c -o $$@ $$<
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.PRECIOUS: $(Tmp.ObjPath)/.dir
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endef
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# Run templates.
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$(foreach key,$(PlatformKeys),\
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$(eval $(call PerPlatform_template,$(key))))
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###
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ifneq ($(DEBUGMAKE),)
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$(info MAKE: Done processing Makefile)
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$(info )
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endif
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