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#
# Copyright (C) 2018 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.
#
ifdef BOARD_SYSTEMSDK_VERSIONS
# Apps and jars in vendor, product or odm partition are forced to build against System SDK.
_cannot_use_platform_apis :=
ifneq (,$(filter true,$(LOCAL_VENDOR_MODULE) $(LOCAL_ODM_MODULE) $(LOCAL_PROPRIETARY_MODULE)))
# Note: no need to check LOCAL_MODULE_PATH* since LOCAL_[VENDOR|ODM|OEM]_MODULE is already
# set correctly before this is included.
_cannot_use_platform_apis := true
else ifeq ($(LOCAL_PRODUCT_MODULE),true)
ifeq ($(PRODUCT_ENFORCE_PRODUCT_PARTITION_INTERFACE),true)
_cannot_use_platform_apis := true
endif
endif
ifneq (,$(filter JAVA_LIBRARIES APPS,$(LOCAL_MODULE_CLASS)))
ifndef LOCAL_SDK_VERSION
ifeq ($(_cannot_use_platform_apis),true)
ifeq (,$(LOCAL_IS_RUNTIME_RESOURCE_OVERLAY))
# Runtime resource overlays are exempted from building against System SDK.
# TODO(b/155027019): remove this, after no product/vendor apps rely on this behavior.
LOCAL_SDK_VERSION := system_current
# We have run below again since LOCAL_SDK_VERSION is newly set and the "_current"
# may have to be updated
include $(BUILD_SYSTEM)/local_current_sdk.mk
endif
endif
endif
endif
endif
# Ensure that the selected System SDK version is one of the supported versions.
# The range of support versions becomes narrower when BOARD_SYSTEMSDK_VERSIONS
# is set, which is a subset of PLATFORM_SYSTEMSDK_VERSIONS.
ifneq (,$(call has-system-sdk-version,$(LOCAL_SDK_VERSION)))
ifneq ($(_cannot_use_platform_apis),true)
# apps bundled in system partition can use all system sdk versions provided by the platform
_supported_systemsdk_versions := $(PLATFORM_SYSTEMSDK_VERSIONS)
else ifdef BOARD_SYSTEMSDK_VERSIONS
# When BOARD_SYSTEMSDK_VERSIONS is set, vendors apps are restricted to use those versions
# which is equal to or smaller than PLATFORM_SYSTEMSDK_VERSIONS
_supported_systemsdk_versions := $(BOARD_SYSTEMSDK_VERSIONS)
else
# If not, vendor apks are treated equally to system apps
_supported_systemsdk_versions := $(PLATFORM_SYSTEMSDK_VERSIONS)
endif
# b/314011075: apks and jars in the vendor or odm partitions cannot use system SDK 35 and beyond.
# This is to discourage the use of Java APIs in the partitions, which hasn't been supported since
# the beginning of the project Treble back in Android 10. Ultimately, we'd like to completely
# disallow any Java API in the partitions, but it shall be done progressively.
ifneq (,$(filter true,$(LOCAL_VENDOR_MODULE) $(LOCAL_ODM_MODULE) $(LOCAL_PROPRIETARY_MODULE)))
# 28 is the API level when BOARD_SYSTEMSDK_VERSIONS was introduced. So, it's the oldset API
# we allow.
_supported_systemsdk_versions := $(call int_range_list, 28, 34)
endif
# Extract version number from LOCAL_SDK_VERSION (ex: system_34 -> 34)
_system_sdk_version := $(call get-numeric-sdk-version,$(LOCAL_SDK_VERSION))
# However, the extraction may fail if it doesn't have any number (i.e. current, core_current,
# system_current, or similar) Then use the latest platform SDK version number or the actual
# codename.
ifeq (,$(_system_sdk_version)
ifeq (REL,$(PLATFORM_VERSION_CODENAME))
_system_sdk_version := $(PLATFORM_SDK_VERSION)
else
_system_sdk_version := $(PLATFORM_VERSION_CODENAME)
endif
endif
ifneq ($(_system_sdk_version),$(filter $(_system_sdk_version),$(_supported_systemsdk_versions)))
ifneq (true,$(BUILD_BROKEN_DONT_CHECK_SYSTEMSDK)
$(call pretty-error,Incompatible LOCAL_SDK_VERSION '$(LOCAL_SDK_VERSION)'. \
System SDK version '$(_system_sdk_version)' is not supported. Supported versions are: $(_supported_systemsdk_versions))
endif
endif
_system_sdk_version :=
_supported_systemsdk_versions :=
endif
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