version_defaults.mk revision f3ae135ddbc08e8ffdae7214903345c599d6c06e
1# 2# Copyright (C) 2008 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 17# 18# Handle various build version information. 19# 20# Guarantees that the following are defined: 21# PLATFORM_VERSION 22# PLATFORM_SDK_VERSION 23# PLATFORM_VERSION_CODENAME 24# DEFAULT_APP_TARGET_SDK 25# BUILD_ID 26# BUILD_NUMBER 27# BUILD_DATETIME 28# PLATFORM_SECURITY_PATCH 29# 30 31# Look for an optional file containing overrides of the defaults, 32# but don't cry if we don't find it. We could just use -include, but 33# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set 34# if the file exists. 35# 36INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk) 37ifdef INTERNAL_BUILD_ID_MAKEFILE 38 include $(INTERNAL_BUILD_ID_MAKEFILE) 39endif 40 41DEFAULT_PLATFORM_VERSION := OPD1 42MIN_PLATFORM_VERSION := OPD1 43MAX_PLATFORM_VERSION := OPD1 44 45ALLOWED_VERSIONS := $(call allowed-platform-versions,\ 46 $(MIN_PLATFORM_VERSION),\ 47 $(MAX_PLATFORM_VERSION),\ 48 $(DEFAULT_PLATFORM_VERSION)) 49 50ifndef TARGET_PLATFORM_VERSION 51 TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION) 52else ifeq ($(TARGET_PLATFORM_VERSION),OPR1) 53 # HACK: lunch currently sets TARGET_PLATFORM_VERSION to 54 # DEFAULT_PLATFORM_VERSION, which causes unnecessary pain 55 # when the old DEFAULT_PLATFORM_VERSION becomes invalid. 56 # For now, silently upgrade OPR1 to the current default. 57 TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION) 58endif 59 60ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION))) 61 $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 62 $(error $(ALLOWED_VERSIONS)) 63endif 64 65# Default versions for each TARGET_PLATFORM_VERSION 66# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 67# on this 68 69# This is the canonical definition of the platform version, 70# which is the version that we reveal to the end user. 71# Update this value when the platform version changes (rather 72# than overriding it somewhere else). Can be an arbitrary string. 73 74# When you add a new PLATFORM_VERSION which will result in a new 75# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast* 76# method in the following java file: 77# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 78 79# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 80# please add that PLATFORM_VERSION to the following text file: 81# cts/tests/tests/os/assets/platform_versions.txt 82PLATFORM_VERSION.OPD1 := 8.0.0 83 84# These are the current development codenames, if the build is not a final 85# release build. If this is a final release build, it is simply "REL". 86PLATFORM_VERSION_CODENAME.OPD1 := REL 87 88ifndef PLATFORM_VERSION 89 PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION)) 90 ifndef PLATFORM_VERSION 91 # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION 92 PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION) 93 endif 94endif 95 96ifndef PLATFORM_SDK_VERSION 97 # This is the canonical definition of the SDK version, which defines 98 # the set of APIs and functionality available in the platform. It 99 # is a single integer that increases monotonically as updates to 100 # the SDK are released. It should only be incremented when the APIs for 101 # the new release are frozen (so that developers don't write apps against 102 # intermediate builds). During development, this number remains at the 103 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 104 # the code-name of the new development work. 105 106 # When you change PLATFORM_SDK_VERSION please ensure you also update the 107 # corresponding methods for isAtLeast* in the following java file: 108 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 109 110 # When you increment the PLATFORM_SDK_VERSION please ensure you also 111 # clear out the following text file of all older PLATFORM_VERSION's: 112 # cts/tests/tests/os/assets/platform_versions.txt 113 PLATFORM_SDK_VERSION := 26 114endif 115 116ifndef PLATFORM_JACK_MIN_SDK_VERSION 117 # This is definition of the min SDK version given to Jack for the current 118 # platform. For released version it should be the same as 119 # PLATFORM_SDK_VERSION. During development, this number may be incremented 120 # before PLATFORM_SDK_VERSION if the platform starts to add new java 121 # language supports. 122 PLATFORM_JACK_MIN_SDK_VERSION := o-b1 123endif 124 125ifndef PLATFORM_VERSION_CODENAME 126 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 127 ifndef PLATFORM_VERSION_CODENAME 128 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 129 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 130 endif 131 132 # This is all of the development codenames that are active. Should be either 133 # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional 134 # codenames after PLATFORM_VERSION_CODENAME. 135 PLATFORM_VERSION_ALL_CODENAMES := 136 137 # Build a list of all possible code names. Avoid duplicates, and stop when we 138 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 139 # that is not included in our build. 140 _versions_in_target := \ 141 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 142 $(foreach version,$(_versions_in_target),\ 143 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 144 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 145 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 146 147 # And convert from space separated to comma separated. 148 PLATFORM_VERSION_ALL_CODENAMES := \ 149 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 150 151endif 152 153ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 154 PLATFORM_PREVIEW_SDK_VERSION := 0 155else 156 ifndef PLATFORM_PREVIEW_SDK_VERSION 157 # This is the definition of a preview SDK version over and above the current 158 # platform SDK version. Unlike the platform SDK version, a higher value 159 # for preview SDK version does NOT mean that all prior preview APIs are 160 # included. Packages reading this value to determine compatibility with 161 # known APIs should check that this value is precisely equal to the preview 162 # SDK version the package was built for, otherwise it should fall back to 163 # assuming the device can only support APIs as of the previous official 164 # public release. 165 # This value will always be 0 for release builds. 166 PLATFORM_PREVIEW_SDK_VERSION := 1 167 endif 168endif 169 170ifndef DEFAULT_APP_TARGET_SDK 171 # This is the default minSdkVersion and targetSdkVersion to use for 172 # all .apks created by the build system. It can be overridden by explicitly 173 # setting these in the .apk's AndroidManifest.xml. It is either the code 174 # name of the development build or, if this is a release build, the official 175 # SDK version of this release. 176 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 177 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 178 else 179 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 180 endif 181endif 182 183ifndef PLATFORM_SECURITY_PATCH 184 # Used to indicate the security patch that has been applied to the device. 185 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 186 # It must be of the form "YYYY-MM-DD" on production devices. 187 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 188 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 189 PLATFORM_SECURITY_PATCH := 2017-10-05 190endif 191 192ifndef PLATFORM_BASE_OS 193 # Used to indicate the base os applied to the device. 194 # Can be an arbitrary string, but must be a single word. 195 # 196 # If there is no $PLATFORM_BASE_OS set, keep it empty. 197 PLATFORM_BASE_OS := 198endif 199 200ifndef BUILD_ID 201 # Used to signify special builds. E.g., branches and/or releases, 202 # like "M5-RC7". Can be an arbitrary string, but must be a single 203 # word and a valid file name. 204 # 205 # If there is no BUILD_ID set, make it obvious. 206 BUILD_ID := UNKNOWN 207endif 208 209ifndef BUILD_DATETIME 210 # Used to reproduce builds by setting the same time. Must be the number 211 # of seconds since the Epoch. 212 BUILD_DATETIME := $(shell date +%s) 213endif 214 215ifneq (,$(findstring Darwin,$(shell uname -sm))) 216DATE := date -r $(BUILD_DATETIME) 217else 218DATE := date -d @$(BUILD_DATETIME) 219endif 220 221ifndef BUILD_NUMBER 222 # BUILD_NUMBER should be set to the source control value that 223 # represents the current state of the source code. E.g., a 224 # perforce changelist number or a git hash. Can be an arbitrary string 225 # (to allow for source control that uses something other than numbers), 226 # but must be a single word and a valid file name. 227 # 228 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 229 # from this date/time" value. Make it start with a non-digit so that 230 # anyone trying to parse it as an integer will probably get "0". 231 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 232endif 233