| # |
| # 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 |
| # |
| |
| # 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 := KKWT |
| endif |
| |
| ifeq "" "$(PLATFORM_SDK_VERSION)" |
| # This is the canonical definition of the SDK version, which defines |
| # the set of APIs and functionality available in the platform. It |
| # is a single integer that increases monotonically as updates to |
| # the SDK are released. It should only be incremented when the APIs for |
| # the new release are frozen (so that developers don't write apps against |
| # intermediate builds). During development, this number remains at the |
| # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds |
| # the code-name of the new development work. |
| PLATFORM_SDK_VERSION := 19 |
| endif |
| |
| ifeq "" "$(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 := KKWT |
| 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 := $(PLATFORM_VERSION_CODENAME) |
| endif |
| endif |
| |
| ifeq "" "$(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 |