1#
2# Copyright (C) 2018 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17ifdef BOARD_SYSTEMSDK_VERSIONS
18  # Apps and jars in vendor or odm partition are forced to build against System SDK.
19  _is_vendor_app :=
20  ifneq (,$(filter true,$(LOCAL_VENDOR_MODULE) $(LOCAL_ODM_MODULE) $(LOCAL_PROPRIETARY_MODULE)))
21    # Note: no need to check LOCAL_MODULE_PATH* since LOCAL_[VENDOR|ODM|OEM]_MODULE is already
22    # set correctly before this is included.
23    _is_vendor_app := true
24  endif
25  ifneq (,$(filter JAVA_LIBRARIES APPS,$(LOCAL_MODULE_CLASS)))
26    ifndef LOCAL_SDK_VERSION
27      ifeq ($(_is_vendor_app),true)
28        ifeq (,$(filter %__auto_generated_rro_vendor,$(LOCAL_MODULE)))
29          # Runtime resource overlays are exempted from building against System SDK.
30          # TODO(b/35859726): remove this exception
31          LOCAL_SDK_VERSION := system_current
32        endif
33      endif
34    endif
35  endif
36endif
37
38# Ensure that the selected System SDK version is one of the supported versions.
39# The range of support versions becomes narrower when BOARD_SYSTEMSDK_VERSIONS
40# is set, which is a subset of PLATFORM_SYSTEMSDK_VERSIONS.
41ifneq (,$(call has-system-sdk-version,$(LOCAL_SDK_VERSION)))
42  ifneq ($(_is_vendor_app),true)
43    # apps bundled in system partition can use all system sdk versions provided by the platform
44    _supported_systemsdk_versions := $(PLATFORM_SYSTEMSDK_VERSIONS)
45  else ifdef BOARD_SYSTEMSDK_VERSIONS
46    # When BOARD_SYSTEMSDK_VERSIONS is set, vendors apps are restricted to use those versions
47    # which is equal to or smaller than PLATFORM_SYSTEMSDK_VERSIONS
48    _supported_systemsdk_versions := $(BOARD_SYSTEMSDK_VERSIONS)
49  else
50    # If not, vendor apks are treated equally to system apps
51    _supported_systemsdk_versions := $(PLATFORM_SYSTEMSDK_VERSIONS)
52  endif
53  _system_sdk_version := $(call get-numeric-sdk-version,$(LOCAL_SDK_VERSION))
54  ifneq ($(_system_sdk_version),$(filter $(_system_sdk_version),$(_supported_systemsdk_versions)))
55    $(call pretty-error,Incompatible LOCAL_SDK_VERSION '$(LOCAL_SDK_VERSION)'. \
56           System SDK version '$(_system_sdk_version)' is not supported. Supported versions are: $(_supported_systemsdk_versions))
57  endif
58  _system_sdk_version :=
59  _supported_systemsdk_versions :=
60endif
61