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# Copyright (C) 2023 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This file is included by build/make/core/Makefile, and contains the logic for
# the combined flags files.
#
# TODO: Should we do all of the images in $(IMAGES_TO_BUILD)?
_FLAG_PARTITIONS := product system system_ext vendor
# -----------------------------------------------------------------
# Release Config Flags
# Create a summary file of build flags for each partition
# $(1): built build flags json file
# $(2): installed build flags json file
# $(3): flag names
define generate-partition-build-flag-file
$(eval $(strip $(1)): PRIVATE_OUT := $(strip $(1)))
$(eval $(strip $(1)): PRIVATE_FLAG_NAMES := $(strip $(3)))
$(strip $(1)):
mkdir -p $$(dir $$(PRIVATE_OUT))
echo '{' > $$(PRIVATE_OUT)
echo '"flags": [' >> $$(PRIVATE_OUT)
$$(foreach flag, $$(PRIVATE_FLAG_NAMES), \
( \
printf ' { "name": "%s", "value": "%s", ' \
'$$(flag)' \
'$$(_ALL_RELEASE_FLAGS.$$(flag).VALUE)' \
; \
printf '"set": "%s", "default": "%s", "declared": "%s" }' \
'$$(_ALL_RELEASE_FLAGS.$$(flag).SET_IN)' \
'$$(_ALL_RELEASE_FLAGS.$$(flag).DEFAULT)' \
'$$(_ALL_RELEASE_FLAGS.$$(flag).DECLARED_IN)' \
; \
printf '$$(if $$(filter $$(lastword $$(PRIVATE_FLAG_NAMES)),$$(flag)),,$$(comma))\n' ; \
) >> $$(PRIVATE_OUT) ; \
)
echo "]" >> $$(PRIVATE_OUT)
echo "}" >> $$(PRIVATE_OUT)
$(call copy-one-file, $(1), $(2))
endef
$(foreach partition, $(_FLAG_PARTITIONS), \
$(eval build_flag_summaries.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/build_flags.json) \
$(eval $(call generate-partition-build-flag-file, \
$(TARGET_OUT_FLAGS)/$(partition)/build_flags.json, \
$(build_flag_summaries.$(partition)), \
$(_ALL_RELEASE_FLAGS.PARTITIONS.$(partition)) \
) \
) \
)
# -----------------------------------------------------------------
# Aconfig Flags
# Create a summary file of build flags for each partition
# $(1): built aconfig flags file (out)
# $(2): installed aconfig flags file (out)
# $(3): input aconfig files for the partition (in)
define generate-partition-aconfig-flag-file
$(eval $(strip $(1)): PRIVATE_OUT := $(strip $(1)))
$(eval $(strip $(1)): PRIVATE_IN := $(strip $(3)))
$(strip $(1)): $(ACONFIG) $(strip $(3))
mkdir -p $$(dir $$(PRIVATE_OUT))
$$(if $$(PRIVATE_IN), \
$$(ACONFIG) dump --dedup --format protobuf --out $$(PRIVATE_OUT) \
$$(addprefix --cache ,$$(PRIVATE_IN)), \
echo -n > $$(PRIVATE_OUT) \
)
$(call copy-one-file, $(1), $(2))
endef
$(foreach partition, $(_FLAG_PARTITIONS), \
$(eval aconfig_flag_summaries_protobuf.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig_flags.pb) \
$(eval $(call generate-partition-aconfig-flag-file, \
$(TARGET_OUT_FLAGS)/$(partition)/aconfig_flags.pb, \
$(aconfig_flag_summaries_protobuf.$(partition)), \
$(sort $(foreach m,$(call register-names-for-partition, $(partition)), \
$(ALL_MODULES.$(m).ACONFIG_FILES) \
)), \
)) \
)
# Collect the on-device flags into a single file, similar to all_aconfig_declarations.
required_aconfig_flags_files := \
$(sort $(foreach partition, $(filter $(IMAGES_TO_BUILD), $(_FLAG_PARTITIONS)), \
$(aconfig_flag_summaries_protobuf.$(partition)) \
))
.PHONY: device_aconfig_declarations
device_aconfig_declarations: $(PRODUCT_OUT)/device_aconfig_declarations.pb
$(eval $(call generate-partition-aconfig-flag-file, \
$(TARGET_OUT_FLAGS)/device_aconfig_declarations.pb, \
$(PRODUCT_OUT)/device_aconfig_declarations.pb, \
$(sort $(required_aconfig_flags_files)) \
)) \
# Create a set of storage file for each partition
# $(1): built aconfig flags storage package map file (out)
# $(2): built aconfig flags storage flag map file (out)
# $(3): built aconfig flags storage flag val file (out)
# $(4): installed aconfig flags storage package map file (out)
# $(5): installed aconfig flags storage flag map file (out)
# $(6): installed aconfig flags storage flag value file (out)
# $(7): input aconfig files for the partition (in)
define generate-partition-aconfig-storage-file
$(eval $(strip $(1)): PRIVATE_OUT := $(strip $(1)))
$(eval $(strip $(1)): PRIVATE_IN := $(strip $(7)))
$(strip $(1)): $(ACONFIG) $(strip $(7))
mkdir -p $$(dir $$(PRIVATE_OUT))
$$(if $$(PRIVATE_IN), \
$$(ACONFIG) create-storage --container "" --file package_map --out $$(PRIVATE_OUT) \
$$(addprefix --cache ,$$(PRIVATE_IN)), \
)
touch $$(PRIVATE_OUT)
$(eval $(strip $(2)): PRIVATE_OUT := $(strip $(2)))
$(eval $(strip $(2)): PRIVATE_IN := $(strip $(7)))
$(strip $(2)): $(ACONFIG) $(strip $(7))
mkdir -p $$(dir $$(PRIVATE_OUT))
$$(if $$(PRIVATE_IN), \
$$(ACONFIG) create-storage --container "" --file flag_map --out $$(PRIVATE_OUT) \
$$(addprefix --cache ,$$(PRIVATE_IN)), \
)
touch $$(PRIVATE_OUT)
$(eval $(strip $(3)): PRIVATE_OUT := $(strip $(3)))
$(eval $(strip $(3)): PRIVATE_IN := $(strip $(7)))
$(strip $(3)): $(ACONFIG) $(strip $(7))
mkdir -p $$(dir $$(PRIVATE_OUT))
$$(if $$(PRIVATE_IN), \
$$(ACONFIG) create-storage --container "" --file flag_val --out $$(PRIVATE_OUT) \
$$(addprefix --cache ,$$(PRIVATE_IN)), \
)
touch $$(PRIVATE_OUT)
$(call copy-one-file, $(strip $(1)), $(4))
$(call copy-one-file, $(strip $(2)), $(5))
$(call copy-one-file, $(strip $(3)), $(6))
endef
ifeq ($(RELEASE_CREATE_ACONFIG_STORAGE_FILE),true)
$(foreach partition, $(_FLAG_PARTITIONS), \
$(eval aconfig_storage_package_map.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig/package.map) \
$(eval aconfig_storage_flag_map.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig/flag.map) \
$(eval aconfig_storage_flag_val.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig/flag.val) \
$(eval $(call generate-partition-aconfig-storage-file, \
$(TARGET_OUT_FLAGS)/$(partition)/package.map, \
$(TARGET_OUT_FLAGS)/$(partition)/flag.map, \
$(TARGET_OUT_FLAGS)/$(partition)/flag.val, \
$(aconfig_storage_package_map.$(partition)), \
$(aconfig_storage_flag_map.$(partition)), \
$(aconfig_storage_flag_val.$(partition)), \
$(sort $(foreach m,$(call register-names-for-partition, $(partition)), \
$(ALL_MODULES.$(m).ACONFIG_FILES) \
)), \
)) \
)
endif
# -----------------------------------------------------------------
# Install the ones we need for the configured product
required_flags_files := \
$(sort $(foreach partition, $(filter $(IMAGES_TO_BUILD), $(_FLAG_PARTITIONS)), \
$(build_flag_summaries.$(partition)) \
$(aconfig_flag_summaries_protobuf.$(partition)) \
$(aconfig_storage_package_map.$(partition)) \
$(aconfig_storage_flag_map.$(partition)) \
$(aconfig_storage_flag_val.$(partition)) \
))
ALL_DEFAULT_INSTALLED_MODULES += $(required_flags_files)
ALL_FLAGS_FILES := $(required_flags_files)
# TODO: Remove
.PHONY: flag-files
flag-files: $(required_flags_files)
# Clean up
required_flags_files:=
required_aconfig_flags_files:=
$(foreach partition, $(_FLAG_PARTITIONS), \
$(eval build_flag_summaries.$(partition):=) \
$(eval aconfig_flag_summaries_protobuf.$(partition):=) \
$(eval aconfig_storage_package_map.$(partition):=) \
$(eval aconfig_storage_flag_map.$(partition):=) \
$(eval aconfig_storage_flag_val.$(partition):=) \
)
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