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187 lines
7.4 KiB
187 lines
7.4 KiB
variant_list := $(filter AUX-%,$(MAKECMDGOALS)) |
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ifdef variant_list |
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AUX_OS_VARIANT_LIST := $(patsubst AUX-%,%,$(variant_list)) |
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else |
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AUX_OS_VARIANT_LIST := $(TARGET_AUX_OS_VARIANT_LIST) |
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endif |
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# exclude AUX targets from build |
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ifeq ($(AUX_OS_VARIANT_LIST),none) |
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AUX_OS_VARIANT_LIST := |
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endif |
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# temporary workaround to support external toolchain |
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ifeq ($(NANOHUB_TOOLCHAIN),) |
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AUX_OS_VARIANT_LIST := |
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endif |
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# setup toolchain paths for various CPU architectures |
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# this one will come from android prebuilts eventually |
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AUX_TOOLCHAIN_cortexm4 := $(NANOHUB_TOOLCHAIN) |
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ifeq ($(wildcard $(AUX_TOOLCHAIN_cortexm4)gcc),) |
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AUX_TOOLCHAIN_cortexm4:= |
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endif |
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# there is no MAKE var that defines path to HOST toolchain |
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# all the interesting paths are hardcoded in soong, and are not available from here |
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# There is no other way but to hardcode them again, as we may need host x86 toolcain for AUX |
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ifeq ($(HOST_OS),linux) |
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AUX_TOOLCHAIN_x86 := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/bin/x86_64-linux- |
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endif |
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# setup AUX globals |
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AUX_SHLIB_SUFFIX := .so |
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AUX_GLOBAL_ARFLAGS := crsPD |
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AUX_STATIC_LIB_SUFFIX := .a |
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# Load ever-lasting "indexed" version of AUX variant environment; it is treated as READ-ONLY from this |
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# moment on. |
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# |
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# $(1) - variant |
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# no return value |
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define aux-variant-setup-paths |
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$(eval AUX_OUT_ROOT_$(1) := $(PRODUCT_OUT)/aux/$(1)) \ |
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$(eval AUX_COMMON_OUT_ROOT_$(1) := $(AUX_OUT_ROOT_$(1))/common) \ |
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$(eval AUX_OUT_$(1) := $(AUX_OUT_ROOT_$(1))/$(AUX_OS_$(1))-$(AUX_ARCH_$(1))-$(AUX_CPU_$(1))) \ |
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$(eval AUX_OUT_INTERMEDIATES_$(1) := $(AUX_OUT_$(1))/obj) \ |
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$(eval AUX_OUT_COMMON_INTERMEDIATES_$(1) := $(AUX_COMMON_OUT_ROOT_$(1))/obj) \ |
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$(eval AUX_OUT_HEADERS_$(1) := $(AUX_OUT_INTERMEDIATES_$(1))/include) \ |
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$(eval AUX_OUT_INTERMEDIATE_LIBRARIES_$(1) := $(AUX_OUT_INTERMEDIATES_$(1))/lib) \ |
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$(eval AUX_OUT_NOTICE_FILES_$(1) := $(AUX_OUT_INTERMEDIATES_$(1))/NOTICE_FILES) \ |
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$(eval AUX_OUT_FAKE_$(1) := $(AUX_OUT_$(1))/fake_packages) \ |
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$(eval AUX_OUT_GEN_$(1) := $(AUX_OUT_$(1))/gen) \ |
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$(eval AUX_OUT_COMMON_GEN_$(1) := $(AUX_COMMON_OUT_ROOT_$(1))/gen) \ |
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$(eval AUX_OUT_EXECUTABLES_$(1) := $(AUX_OUT_$(1))/bin) \ |
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$(eval AUX_OUT_UNSTRIPPED_$(1) := $(AUX_OUT_$(1))/symbols) |
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endef |
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# Copy "indexed" AUX environment for given VARIANT into |
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# volatile not-indexed set of variables for simplicity of access. |
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# Injection of index support throughout the build system is suboptimal |
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# hence volatile environment is constructed |
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# Unlike HOST*, TARGET* variables, AUX* variables are NOT read-only, but their |
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# indexed versions are. |
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# |
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# $(1) - variant |
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# no return value |
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define aux-variant-load-env |
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$(eval AUX_OS_VARIANT:=$(1)) \ |
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$(eval AUX_OS:=$(AUX_OS_$(1))) \ |
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$(eval AUX_ARCH:=$(AUX_ARCH_$(1))) \ |
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$(eval AUX_SUBARCH:=$(AUX_SUBARCH_$(1))) \ |
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$(eval AUX_CPU:=$(AUX_CPU_$(1))) \ |
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$(eval AUX_OS_PATH:=$(AUX_OS_PATH_$(1))) \ |
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$(eval AUX_OUT_ROOT := $(AUX_OUT_ROOT_$(1))) \ |
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$(eval AUX_COMMON_OUT_ROOT := $(AUX_COMMON_OUT_ROOT_$(1))) \ |
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$(eval AUX_OUT := $(AUX_OUT_$(1))) \ |
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$(eval AUX_OUT_INTERMEDIATES := $(AUX_OUT_INTERMEDIATES_$(1))) \ |
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$(eval AUX_OUT_COMMON_INTERMEDIATES := $(AUX_OUT_COMMON_INTERMEDIATES_$(1))) \ |
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$(eval AUX_OUT_HEADERS := $(AUX_OUT_HEADERS_$(1))) \ |
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$(eval AUX_OUT_INTERMEDIATE_LIBRARIES := $(AUX_OUT_INTERMEDIATE_LIBRARIES_$(1))) \ |
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$(eval AUX_OUT_NOTICE_FILES := $(AUX_OUT_NOTICE_FILES_$(1))) \ |
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$(eval AUX_OUT_FAKE := $(AUX_OUT_FAKE_$(1))) \ |
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$(eval AUX_OUT_GEN := $(AUX_OUT_GEN_$(1))) \ |
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$(eval AUX_OUT_COMMON_GEN := $(AUX_OUT_COMMON_GEN_$(1))) \ |
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$(eval AUX_OUT_EXECUTABLES := $(AUX_OUT_EXECUTABLES_$(1))) \ |
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$(eval AUX_OUT_UNSTRIPPED := $(AUX_OUT_UNSTRIPPED_$(1))) |
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endef |
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# given a variant:path pair, load the variant conviguration with aux-variant-setup-paths from file |
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# this is a build system extension mechainsm, since configuration typically resides in non-build |
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# project space |
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# |
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# $(1) - variant:path pair |
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# $(2) - file suffix |
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# no return value |
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define aux-variant-import-from-pair |
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$(eval _pair := $(subst :, ,$(1))) \ |
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$(eval _name:=$(word 1,$(_pair))) \ |
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$(eval _path:=$(word 2,$(_pair))) \ |
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$(eval include $(_path)/$(_name)$(2)) \ |
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$(eval AUX_OS_VARIANT_LIST_$(AUX_OS_$(1)):=) \ |
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$(call aux-variant-setup-paths,$(_name)) \ |
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$(eval AUX_ALL_VARIANTS += $(_name)) \ |
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$(eval AUX_ALL_OSES := $(filterout $(AUX_OS_$(_name)),$(AUX_ALL_OSES)) $(AUX_OS_$(_name))) \ |
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$(eval AUX_ALL_CPUS := $(filterout $(AUX_CPU_$(_name)),$(AUX_ALL_CPUS)) $(AUX_CPU_$(_name))) \ |
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$(eval AUX_ALL_ARCHS := $(filterout $(AUX_ARCH_$(_name)),$(AUX_ALL_ARCHS)) $(AUX_ARCH_$(_name))) \ |
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$(eval AUX_ALL_SUBARCHS := $(filterout $(AUX_SUBARCH_$(_name)),$(AUX_ALL_SUBARCHS)) $(AUX_SUBARCH_$(_name))) |
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endef |
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# Load system configuration referenced by AUX variant config; |
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# this is a build extension mechanism; typically system config |
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# resides in a non-build projects; |
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# system config may define new rules and globally visible BUILD* |
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# includes to support project-specific build steps and toolchains |
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# MAintains list of valiants that reference this os config in OS "indexed" var |
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# this facilitates multivariant build of the OS (or whataver it is the name of common component these variants share) |
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# |
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# $(1) - variant |
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# no return value |
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define aux-import-os-config |
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$(eval _aioc_os := $(AUX_OS_$(1))) \ |
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$(eval AUX_OS_PATH_$(1) := $(patsubst $(_aioc_os):%,%,$(filter $(_aioc_os):%,$(AUX_ALL_OS_PATHS)))) \ |
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$(eval _aioc_os_cfg := $(AUX_OS_PATH_$(1))/$(_aioc_os)$(os_sfx)) \ |
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$(if $(wildcard $(_aioc_os_cfg)),,$(error AUX '$(_aioc_os)' OS config file [$(notdir $(_aioc_os_cfg))] required by AUX variant '$(1)' does not exist)) \ |
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$(if $(filter $(_aioc_os),$(_os_list)),,$(eval include $(_aioc_os_cfg))) \ |
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$(eval AUX_OS_VARIANT_LIST_$(_aioc_os) += $(1)) \ |
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$(eval _os_list += $(_aioc_os)) |
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endef |
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# make sure that AUX config variables are minimally sane; |
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# as a bare minimum they must contain the vars described by aux_env |
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# Generate error if requirement is not met. |
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# |
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#$(1) - variant |
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# no return value |
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define aux-variant-validate |
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$(eval _all:=) \ |
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$(eval _req:=$(addsuffix _$(1),$(aux_env))) \ |
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$(foreach var,$(_req),$(eval _all += $(var))) \ |
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$(eval _missing := $(filterout $(_all),$(_req))) \ |
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$(if $(_missing),$(error AUX variant $(1) must define vars: $(_missing))) |
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endef |
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AUX_ALL_VARIANTS := |
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AUX_ALL_OSES := |
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AUX_ALL_CPUS := |
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AUX_ALL_ARCHS := |
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AUX_ALL_SUBARCHS := |
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variant_sfx :=_aux_variant_config.mk |
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os_sfx :=_aux_os_config.mk |
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config_roots := $(wildcard device vendor) |
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all_configs := |
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ifdef config_roots |
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all_configs := $(shell find $(config_roots) -maxdepth 4 -name '*$(variant_sfx)' -o -name '*$(os_sfx)' | sort) |
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endif |
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all_os_configs := $(filter %$(os_sfx),$(all_configs)) |
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all_variant_configs := $(filter %$(variant_sfx),$(all_configs)) |
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AUX_ALL_OS_PATHS := $(foreach f,$(all_os_configs),$(patsubst %$(os_sfx),%,$(notdir $(f))):$(patsubst %/,%,$(dir $(f)))) |
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AUX_ALL_OS_VARIANT_PATHS := $(foreach f,$(all_variant_configs),$(patsubst %$(variant_sfx),%,$(notdir $(f))):$(patsubst %/,%,$(dir $(f)))) |
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my_variant_pairs := $(foreach v,$(AUX_OS_VARIANT_LIST),$(filter $(v):%,$(AUX_ALL_OS_VARIANT_PATHS))) |
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my_missing_variants := $(foreach v,$(AUX_OS_VARIANT_LIST),$(if $(filter $(v):%,$(AUX_ALL_OS_VARIANT_PATHS)),,$(v))) |
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ifneq ($(strip $(my_missing_variants)),) |
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$(error Don't know how to build variant(s): $(my_missing_variants)) |
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endif |
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# mandatory variables |
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aux_env := AUX_OS AUX_ARCH AUX_SUBARCH AUX_CPU |
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$(foreach v,$(my_variant_pairs),$(if $(filter $(v),$(AUX_ALL_VARIANTS)),,$(call aux-variant-import-from-pair,$(v),$(variant_sfx)))) |
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ifdef AUX_ALL_VARIANTS |
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_os_list := |
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$(foreach v,$(AUX_ALL_VARIANTS),\ |
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$(call aux-import-os-config,$(v)) \ |
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$(call aux-variant-validate,$(v)) \ |
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) |
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endif |
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INSTALLED_AUX_TARGETS := |
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droidcore: auxiliary
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