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#
# 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
# 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 := 6.0.1
endif
ifeq "" "$(PLATFORM_SDK_VERSION)"
# This is the canonical definition of the SDK version, which defines
# the set of APIs and functionality available in the platform. It
# is a single integer that increases monotonically as updates to
# the SDK are released. It should only be incremented when the APIs for
# the new release are frozen (so that developers don't write apps against
# intermediate builds). During development, this number remains at the
# SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
# the code-name of the new development work.
PLATFORM_SDK_VERSION := 23
endif
ifeq "" "$(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 $PLATFORM_SECURITY_PATCH set, keep it empty.
PLATFORM_SECURITY_PATCH := 2017-02-01
endif
ifeq "" "$(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 "" "$(BUILD_NUMBER)"
# BUILD_NUMBER should be set to the source control value that
# represents the current state of the source code. E.g., a
# perforce changelist number or a git hash. Can be an arbitrary string
# (to allow for source control that uses something other than numbers),
# but must be a single word and a valid file name.
#
# If no BUILD_NUMBER is set, create a useful "I am an engineering build
# from this date/time" value. Make it start with a non-digit so that
# anyone trying to parse it as an integer will probably get "0".
BUILD_NUMBER := eng.$(USER).$(shell date +%Y%m%d.%H%M%S)
endif
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