version_defaults.mk revision b97c97b6433288bc169ce324c92f6461270a08cb
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 := PPR1 42MIN_PLATFORM_VERSION := PPR1 43MAX_PLATFORM_VERSION := PPR1 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 := $(DEFAULT_PLATFORM_VERSION) 52endif 53 54ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION))) 55 $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 56 $(error $(ALLOWED_VERSIONS)) 57endif 58 59# Default versions for each TARGET_PLATFORM_VERSION 60# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 61# on this 62 63# This is the canonical definition of the platform version, 64# which is the version that we reveal to the end user. 65# Update this value when the platform version changes (rather 66# than overriding it somewhere else). Can be an arbitrary string. 67 68# When you add a new PLATFORM_VERSION which will result in a new 69# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast* 70# method in the following java file: 71# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 72 73# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 74# please add that PLATFORM_VERSION as well as clean up obsolete PLATFORM_VERSION's 75# in the following text file: 76# cts/tests/tests/os/assets/platform_versions.txt 77PLATFORM_VERSION.PPR1 := P 78 79# These are the current development codenames, if the build is not a final 80# release build. If this is a final release build, it is simply "REL". 81PLATFORM_VERSION_CODENAME.PPR1 := P 82 83ifndef PLATFORM_VERSION 84 PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION)) 85 ifndef PLATFORM_VERSION 86 # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION 87 PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION) 88 endif 89endif 90 91ifndef PLATFORM_SDK_VERSION 92 # This is the canonical definition of the SDK version, which defines 93 # the set of APIs and functionality available in the platform. It 94 # is a single integer that increases monotonically as updates to 95 # the SDK are released. It should only be incremented when the APIs for 96 # the new release are frozen (so that developers don't write apps against 97 # intermediate builds). During development, this number remains at the 98 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 99 # the code-name of the new development work. 100 101 # When you change PLATFORM_SDK_VERSION please ensure you also update the 102 # corresponding methods for isAtLeast* in the following java file: 103 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 104 105 # When you increment the PLATFORM_SDK_VERSION please ensure you also 106 # clear out the following text file of all older PLATFORM_VERSION's: 107 # cts/tests/tests/os/assets/platform_versions.txt 108 PLATFORM_SDK_VERSION := 27 109endif 110 111ifndef PLATFORM_VERSION_CODENAME 112 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 113 ifndef PLATFORM_VERSION_CODENAME 114 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 115 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 116 endif 117 118 # This is all of the *active* development codenames. There are future 119 # codenames not included in this list. This confusing name is needed because 120 # all_codenames has been baked into build.prop for ages. 121 # 122 # Should be either the same as PLATFORM_VERSION_CODENAME or a comma-separated 123 # list of additional codenames after PLATFORM_VERSION_CODENAME. 124 PLATFORM_VERSION_ALL_CODENAMES := 125 126 # Build a list of all active code names. Avoid duplicates, and stop when we 127 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 128 # that is not included in our build). 129 _versions_in_target := \ 130 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 131 $(foreach version,$(_versions_in_target),\ 132 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 133 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 134 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 135 136 # This is all of the inactive development codenames. Available to be targeted 137 # in this branch but in the future relative to our current target. 138 PLATFORM_VERSION_FUTURE_CODENAMES := 139 140 # Build a list of all untargeted code names. Avoid duplicates. 141 _versions_not_in_target := \ 142 $(filter-out $(PLATFORM_VERSION_ALL_CODENAMES),$(ALL_VERSIONS)) 143 $(foreach version,$(_versions_not_in_target),\ 144 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 145 $(if $(filter $(_codename),$(PLATFORM_VERSION_FUTURE_CODENAMES)),,\ 146 $(eval PLATFORM_VERSION_FUTURE_CODENAMES += $(_codename)))) 147 148 # And convert from space separated to comma separated. 149 PLATFORM_VERSION_ALL_CODENAMES := \ 150 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 151 PLATFORM_VERSION_FUTURE_CODENAMES := \ 152 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_FUTURE_CODENAMES))) 153 154endif 155 156ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 157 PLATFORM_PREVIEW_SDK_VERSION := 0 158else 159 ifndef PLATFORM_PREVIEW_SDK_VERSION 160 # This is the definition of a preview SDK version over and above the current 161 # platform SDK version. Unlike the platform SDK version, a higher value 162 # for preview SDK version does NOT mean that all prior preview APIs are 163 # included. Packages reading this value to determine compatibility with 164 # known APIs should check that this value is precisely equal to the preview 165 # SDK version the package was built for, otherwise it should fall back to 166 # assuming the device can only support APIs as of the previous official 167 # public release. 168 # This value will always be 0 for release builds. 169 PLATFORM_PREVIEW_SDK_VERSION := 0 170 endif 171endif 172 173ifndef DEFAULT_APP_TARGET_SDK 174 # This is the default minSdkVersion and targetSdkVersion to use for 175 # all .apks created by the build system. It can be overridden by explicitly 176 # setting these in the .apk's AndroidManifest.xml. It is either the code 177 # name of the development build or, if this is a release build, the official 178 # SDK version of this release. 179 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 180 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 181 else 182 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 183 endif 184endif 185 186ifndef PLATFORM_SECURITY_PATCH 187 # Used to indicate the security patch that has been applied to the device. 188 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 189 # It must be of the form "YYYY-MM-DD" on production devices. 190 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 191 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 192 PLATFORM_SECURITY_PATCH := 2017-11-05 193endif 194 195ifndef PLATFORM_BASE_OS 196 # Used to indicate the base os applied to the device. 197 # Can be an arbitrary string, but must be a single word. 198 # 199 # If there is no $PLATFORM_BASE_OS set, keep it empty. 200 PLATFORM_BASE_OS := 201endif 202 203ifndef BUILD_ID 204 # Used to signify special builds. E.g., branches and/or releases, 205 # like "M5-RC7". Can be an arbitrary string, but must be a single 206 # word and a valid file name. 207 # 208 # If there is no BUILD_ID set, make it obvious. 209 BUILD_ID := UNKNOWN 210endif 211 212ifndef BUILD_DATETIME 213 # Used to reproduce builds by setting the same time. Must be the number 214 # of seconds since the Epoch. 215 BUILD_DATETIME := $(shell date +%s) 216endif 217 218ifneq (,$(findstring Darwin,$(UNAME))) 219DATE := date -r $(BUILD_DATETIME) 220else 221DATE := date -d @$(BUILD_DATETIME) 222endif 223 224ifndef BUILD_NUMBER 225 # BUILD_NUMBER should be set to the source control value that 226 # represents the current state of the source code. E.g., a 227 # perforce changelist number or a git hash. Can be an arbitrary string 228 # (to allow for source control that uses something other than numbers), 229 # but must be a single word and a valid file name. 230 # 231 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 232 # from this date/time" value. Make it start with a non-digit so that 233 # anyone trying to parse it as an integer will probably get "0". 234 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 235endif 236