Merge "Enable build flags in protobuf" into main

# which has OWNERS control.  If it isn't let others define their own.

# TODO: Remove wildcard for build/release one when all branch manifests

# have updated.

_must_protobuf :=

config_map_files := $(wildcard build/release/release_config_map.mk) \

    $(wildcard vendor/google_shared/build/release/release_config_map.mk) \

    $(if $(wildcard vendor/google/release/release_config_map.mk), \

        ) \

    )

protobuf_map_files := $(wildcard build/release/release_config_map.textproto) \

    $(wildcard vendor/google_shared/build/release/release_config_map.textproto) \

    $(if $(wildcard vendor/google/release/release_config_map.textproto), \

        vendor/google/release/release_config_map.textproto, \

        $(sort \

            $(wildcard device/*/release/release_config_map.textproto) \

            $(wildcard device/*/*/release/release_config_map.textproto) \

            $(wildcard vendor/*/release/release_config_map.textproto) \

            $(wildcard vendor/*/*/release/release_config_map.textproto) \

        ) \

    )

# PRODUCT_RELEASE_CONFIG_MAPS is set by Soong using an initial run of product

# config to capture only the list of config maps needed by the build.

# Keep them in the order provided, but remove duplicates.

# Treat .mk and .textproto as equal for duplicate elimination, but force

# protobuf if any PRODUCT_RELEASE_CONFIG_MAPS specify .textproto.

$(foreach map,$(PRODUCT_RELEASE_CONFIG_MAPS), \

    $(if $(filter $(map),$(config_map_files)),,$(eval config_map_files += $(map))) \

    $(if $(filter $(basename $(map)),$(basename $(config_map_files))),, \

        $(eval config_map_files += $(map))) \

    $(if $(filter $(basename $(map)).textproto,$(map)),$(eval _must_protobuf := true)) \

)

# If we are missing the textproto version of any of $(config_map_files), we cannot use protobuf.

_can_protobuf := true

$(foreach map,$(config_map_files), \

    $(if $(wildcard $(basename $(map)).textproto),,$(eval _can_protobuf :=)) \

)

# If we are missing the mk version of any of $(protobuf_map_files), we must use protobuf.

$(foreach map,$(protobuf_map_files), \

    $(if $(wildcard $(basename $(map)).mk),,$(eval _must_protobuf := true)) \

)

ifneq (,$(_must_protobuf))

    ifeq (,$(_can_protobuf))

	# We must use protobuf, but we cannot use protobuf.

        $(error release config is a mixture of .scl and .textproto)

    endif

endif

_use_protobuf :=

ifneq (,$(_must_protobuf))

    _use_protobuf := true

else

    ifneq ($(_can_protobuf),)

        # Determine the default

        $(foreach map,$(config_map_files), \

            $(if $(wildcard $(dir $(map))/build_config/DEFAULT=proto),$(eval _use_protobuf := true)) \

            $(if $(wildcard $(dir $(map))/build_config/DEFAULT=make),$(eval _use_protobuf := )) \

        )

        # Update for this specific release config only (no inheritance).

        $(foreach map,$(config_map_files), \

            $(if $(wildcard $(dir $(map))/build_config/$(TARGET_RELEASE)=proto),$(eval _use_protobuf := true)) \

            $(if $(wildcard $(dir $(map))/build_config/$(TARGET_RELEASE)=make),$(eval _use_protobuf := )) \

        )

    endif

endif

ifneq (,$(_use_protobuf))

    # The .textproto files are the canonical source of truth.

    _args := $(foreach map,$(config_map_files), --map $(map) )

    ifneq (,$(_must_protobuf))

        # Disable the build flag in release-config.

        _args += --guard=false

    endif

    $(KATI_shell_no_rerun $(OUT_DIR)/release-config $(_args) >$(OUT_DIR)/release-config.out && touch -t 200001010000 $(OUT_DIR)/release-config.out)

    $(if $(filter-out 0,$(.SHELLSTATUS)),$(error release-config failed to run))

    # This will also set _all_release_configs for us.

    $(eval include $(OUT_DIR)/soong/release-config/release_config-$(TARGET_PRODUCT)-$(TARGET_RELEASE).mk)

    $(KATI_extra_file_deps $(OUT_DIR)/release-config $(config_map_files))

    ifeq (,$(_must_protobuf)$(RELEASE_BUILD_FLAGS_IN_PROTOBUF))

        _use_protobuf :=

    endif

endif

ifeq (,$(_use_protobuf))

    # The .mk files are the canonical source of truth.

# Declare an alias release-config

#

    $(error Alias release config "$(r)" may not specify release config files $(_all_release_configs.$(r).FILES))\

)))

# Use makefiles

endif

ifeq ($(TARGET_RELEASE),)

    # We allow some internal paths to explicitly set TARGET_RELEASE to the

    # empty string.  For the most part, 'make' treats unset and empty string as

    endif

endif

ifeq (,$(_use_protobuf))

# Choose flag files

# Don't sort this, use it in the order they gave us.

# Do allow duplicate entries, retaining only the first usage.

$(error invalid use of apply-release-config-overrides)

endef

# use makefiles

endif

# TODO: Remove this check after enough people have sourced lunch that we don't

# need to worry about it trying to do get_build_vars TARGET_RELEASE. Maybe after ~9/2023

ifneq ($(CALLED_FROM_SETUP),true)

endif

.KATI_READONLY := TARGET_RELEASE

ifeq (,$(_use_protobuf))

$(foreach config, $(_all_release_configs), \

    $(eval _all_release_configs.$(config).DECLARED_IN:= ) \

    $(eval _all_release_configs.$(config).FILES:= ) \

)

applied_releases:=

# use makefiles

endif

_all_release_configs:=

config_map_files:=

applied_releases:=

protobuf_map_files:=

ifeq (,$(_use_protobuf))

# -----------------------------------------------------------------

# Flag declarations and values

# -----------------------------------------------------------------

# outside of the source tree.

$(call run-starlark,$(OUT_DIR)/release_config_entrypoint.scl,$(OUT_DIR)/release_config_entrypoint.scl,--allow_external_entrypoint)

# use makefiles

endif

_can_protobuf :=

_must_protobuf :=

_use_protobuf :=