| # |
| # Copyright (C) 2008 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. |
| # |
| |
| # |
| # Handle various build version information. |
| # |
| # Guarantees that the following are defined: |
| # PLATFORM_VERSION |
| # PLATFORM_SDK_VERSION |
| # PLATFORM_VERSION_CODENAME |
| # DEFAULT_APP_TARGET_SDK |
| # BUILD_ID |
| # BUILD_NUMBER |
| # BUILD_DATETIME |
| # PLATFORM_SECURITY_PATCH |
| # |
| |
| # Look for an optional file containing overrides of the defaults, |
| # but don't cry if we don't find it. We could just use -include, but |
| # the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set |
| # if the file exists. |
| # |
| INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk) |
| ifneq "" "$(INTERNAL_BUILD_ID_MAKEFILE)" |
| include $(INTERNAL_BUILD_ID_MAKEFILE) |
| endif |
| |
| ifeq "" "$(PLATFORM_VERSION)" |
| # This is the canonical definition of the platform version, |
| # which is the version that we reveal to the end user. |
| # Update this value when the platform version changes (rather |
| # than overriding it somewhere else). Can be an arbitrary string. |
| PLATFORM_VERSION := 7.1.1 |
| endif |
| |
| ifeq "" "$(PLATFORM_SDK_VERSION)" |
| # This is the canonical definition of the SDK version, which defines |
| # the set of APIs and functionality available in the platform. It |
| # is a single integer that increases monotonically as updates to |
| # the SDK are released. It should only be incremented when the APIs for |
| # the new release are frozen (so that developers don't write apps against |
| # intermediate builds). During development, this number remains at the |
| # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds |
| # the code-name of the new development work. |
| PLATFORM_SDK_VERSION := 25 |
| endif |
| |
| ifeq "" "$(PLATFORM_JACK_MIN_SDK_VERSION)" |
| # This is definition of the min SDK version given to Jack for the current |
| # platform. For released version it should be the same as |
| # PLATFORM_SDK_VERSION. During development, this number may be incremented |
| # before PLATFORM_SDK_VERSION if the plateform starts to add new java |
| # language supports. |
| PLATFORM_JACK_MIN_SDK_VERSION := 25 |
| endif |
| |
| ifeq "" "$(PLATFORM_VERSION_CODENAME)" |
| # This is the current development code-name, if the build is not a final |
| # release build. If this is a final release build, it is simply "REL". |
| PLATFORM_VERSION_CODENAME := REL |
| |
| # This is all of the development codenames that are active. Should be either |
| # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional |
| # codenames after PLATFORM_VERSION_CODENAME. |
| PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME) |
| endif |
| |
| ifeq "REL" "$(PLATFORM_VERSION_CODENAME)" |
| PLATFORM_PREVIEW_SDK_VERSION := 0 |
| else |
| ifeq "" "$(PLATFORM_PREVIEW_SDK_VERSION)" |
| # This is the definition of a preview SDK version over and above the current |
| # platform SDK version. Unlike the platform SDK version, a higher value |
| # for preview SDK version does NOT mean that all prior preview APIs are |
| # included. Packages reading this value to determine compatibility with |
| # known APIs should check that this value is precisely equal to the preview |
| # SDK version the package was built for, otherwise it should fall back to |
| # assuming the device can only support APIs as of the previous official |
| # public release. |
| # This value will always be 0 for release builds. |
| PLATFORM_PREVIEW_SDK_VERSION := 0 |
| endif |
| endif |
| |
| ifeq "" "$(DEFAULT_APP_TARGET_SDK)" |
| # This is the default minSdkVersion and targetSdkVersion to use for |
| # all .apks created by the build system. It can be overridden by explicitly |
| # setting these in the .apk's AndroidManifest.xml. It is either the code |
| # name of the development build or, if this is a release build, the official |
| # SDK version of this release. |
| ifeq "REL" "$(PLATFORM_VERSION_CODENAME)" |
| DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) |
| else |
| DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) |
| endif |
| endif |
| |
| ifeq "" "$(PLATFORM_SECURITY_PATCH)" |
| # Used to indicate the security patch that has been applied to the device. |
| # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. |
| # It must be of the form "YYYY-MM-DD" on production devices. |
| # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. |
| # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. |
| PLATFORM_SECURITY_PATCH := 2017-03-01 |
| endif |
| |
| ifeq "" "$(PLATFORM_BASE_OS)" |
| # Used to indicate the base os applied to the device. |
| # Can be an arbitrary string, but must be a single word. |
| # |
| # If there is no $PLATFORM_BASE_OS set, keep it empty. |
| PLATFORM_BASE_OS := |
| endif |
| |
| ifeq "" "$(BUILD_ID)" |
| # Used to signify special builds. E.g., branches and/or releases, |
| # like "M5-RC7". Can be an arbitrary string, but must be a single |
| # word and a valid file name. |
| # |
| # If there is no BUILD_ID set, make it obvious. |
| BUILD_ID := UNKNOWN |
| endif |
| |
| ifeq "" "$(BUILD_DATETIME)" |
| # Used to reproduce builds by setting the same time. Must be the number |
| # of seconds since the Epoch. |
| BUILD_DATETIME := $(shell date +%s) |
| endif |
| |
| ifneq (,$(findstring Darwin,$(shell uname -sm))) |
| DATE := date -r $(BUILD_DATETIME) |
| else |
| DATE := date -d @$(BUILD_DATETIME) |
| endif |
| |
| ifeq "" "$(BUILD_NUMBER)" |
| # BUILD_NUMBER should be set to the source control value that |
| # represents the current state of the source code. E.g., a |
| # perforce changelist number or a git hash. Can be an arbitrary string |
| # (to allow for source control that uses something other than numbers), |
| # but must be a single word and a valid file name. |
| # |
| # If no BUILD_NUMBER is set, create a useful "I am an engineering build |
| # from this date/time" value. Make it start with a non-digit so that |
| # anyone trying to parse it as an integer will probably get "0". |
| BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) |
| endif |