92 lines
4.3 KiB
Makefile
92 lines
4.3 KiB
Makefile
#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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ifdef BOARD_SYSTEMSDK_VERSIONS
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# Apps and jars in vendor, product or odm partition are forced to build against System SDK.
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_cannot_use_platform_apis :=
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ifneq (,$(filter true,$(LOCAL_VENDOR_MODULE) $(LOCAL_ODM_MODULE) $(LOCAL_PROPRIETARY_MODULE)))
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# Note: no need to check LOCAL_MODULE_PATH* since LOCAL_[VENDOR|ODM|OEM]_MODULE is already
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# set correctly before this is included.
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_cannot_use_platform_apis := true
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else ifeq ($(LOCAL_PRODUCT_MODULE),true)
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ifeq ($(PRODUCT_ENFORCE_PRODUCT_PARTITION_INTERFACE),true)
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_cannot_use_platform_apis := true
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endif
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endif
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ifneq (,$(filter JAVA_LIBRARIES APPS,$(LOCAL_MODULE_CLASS)))
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ifndef LOCAL_SDK_VERSION
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ifeq ($(_cannot_use_platform_apis),true)
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ifeq (,$(LOCAL_IS_RUNTIME_RESOURCE_OVERLAY))
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# Runtime resource overlays are exempted from building against System SDK.
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# TODO(b/155027019): remove this, after no product/vendor apps rely on this behavior.
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LOCAL_SDK_VERSION := system_current
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# We have run below again since LOCAL_SDK_VERSION is newly set and the "_current"
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# may have to be updated
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include $(BUILD_SYSTEM)/local_current_sdk.mk
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endif
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endif
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endif
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endif
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endif
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# Ensure that the selected System SDK version is one of the supported versions.
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# The range of support versions becomes narrower when BOARD_SYSTEMSDK_VERSIONS
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# is set, which is a subset of PLATFORM_SYSTEMSDK_VERSIONS.
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ifneq (,$(call has-system-sdk-version,$(LOCAL_SDK_VERSION)))
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ifneq ($(_cannot_use_platform_apis),true)
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# apps bundled in system partition can use all system sdk versions provided by the platform
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_supported_systemsdk_versions := $(PLATFORM_SYSTEMSDK_VERSIONS)
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else ifdef BOARD_SYSTEMSDK_VERSIONS
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# When BOARD_SYSTEMSDK_VERSIONS is set, vendors apps are restricted to use those versions
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# which is equal to or smaller than PLATFORM_SYSTEMSDK_VERSIONS
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_supported_systemsdk_versions := $(BOARD_SYSTEMSDK_VERSIONS)
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else
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# If not, vendor apks are treated equally to system apps
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_supported_systemsdk_versions := $(PLATFORM_SYSTEMSDK_VERSIONS)
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endif
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# b/314011075: apks and jars in the vendor or odm partitions cannot use system SDK 35 and beyond.
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# This is to discourage the use of Java APIs in the partitions, which hasn't been supported since
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# the beginning of the project Treble back in Android 10. Ultimately, we'd like to completely
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# disallow any Java API in the partitions, but it shall be done progressively.
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ifneq (,$(filter true,$(LOCAL_VENDOR_MODULE) $(LOCAL_ODM_MODULE) $(LOCAL_PROPRIETARY_MODULE)))
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# 28 is the API level when BOARD_SYSTEMSDK_VERSIONS was introduced. So, it's the oldset API
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# we allow.
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_supported_systemsdk_versions := $(call int_range_list, 28, 34)
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endif
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# Extract version number from LOCAL_SDK_VERSION (ex: system_34 -> 34)
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_system_sdk_version := $(call get-numeric-sdk-version,$(LOCAL_SDK_VERSION))
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# However, the extraction may fail if it doesn't have any number (i.e. current, core_current,
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# system_current, or similar) Then use the latest platform SDK version number or the actual
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# codename.
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ifeq (,$(_system_sdk_version)
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ifeq (REL,$(PLATFORM_VERSION_CODENAME))
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_system_sdk_version := $(PLATFORM_SDK_VERSION)
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else
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_system_sdk_version := $(PLATFORM_VERSION_CODENAME)
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endif
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endif
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ifneq ($(_system_sdk_version),$(filter $(_system_sdk_version),$(_supported_systemsdk_versions)))
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ifneq (true,$(BUILD_BROKEN_DONT_CHECK_SYSTEMSDK)
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$(call pretty-error,Incompatible LOCAL_SDK_VERSION '$(LOCAL_SDK_VERSION)'. \
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System SDK version '$(_system_sdk_version)' is not supported. Supported versions are: $(_supported_systemsdk_versions))
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endif
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endif
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_system_sdk_version :=
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_supported_systemsdk_versions :=
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endif
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