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# PLATFORM_SECURITY_PATCH 28# PLATFORM_VNDK_VERSION 29# PLATFORM_SYSTEMSDK_VERSIONS 30# 31 32# Look for an optional file containing overrides of the defaults, 33# but don't cry if we don't find it. We could just use -include, but 34# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set 35# if the file exists. 36# 37INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk) 38ifdef INTERNAL_BUILD_ID_MAKEFILE 39 include $(INTERNAL_BUILD_ID_MAKEFILE) 40endif 41 42DEFAULT_PLATFORM_VERSION := SP1A 43MIN_PLATFORM_VERSION := SP1A 44MAX_PLATFORM_VERSION := SP1A 45 46ALLOWED_VERSIONS := $(call allowed-platform-versions,\ 47 $(MIN_PLATFORM_VERSION),\ 48 $(MAX_PLATFORM_VERSION),\ 49 $(DEFAULT_PLATFORM_VERSION)) 50 51ifndef TARGET_PLATFORM_VERSION 52 TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION) 53endif 54 55ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION))) 56 $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 57 $(error $(ALLOWED_VERSIONS)) 58endif 59ALLOWED_VERSIONS := 60MIN_PLATFORM_VERSION := 61MAX_PLATFORM_VERSION := 62 63.KATI_READONLY := \ 64 DEFAULT_PLATFORM_VERSION \ 65 TARGET_PLATFORM_VERSION 66 67# Default versions for each TARGET_PLATFORM_VERSION 68# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 69# on this 70 71# This is the canonical definition of the platform version, 72# which is the version that we reveal to the end user. 73# Update this value when the platform version changes (rather 74# than overriding it somewhere else). Can be an arbitrary string. 75 76# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 77# please add that PLATFORM_VERSION as well as clean up obsolete PLATFORM_VERSION's 78# in the following text file: 79# cts/tests/tests/os/assets/platform_versions.txt 80 81# Note that there should be one PLATFORM_VERSION and PLATFORM_VERSION_CODENAME 82# entry for each unreleased API level, regardless of 83# MIN_PLATFORM_VERSION/MAX_PLATFORM_VERSION. PLATFORM_VERSION is used to 84# generate the range of allowed SDK versions, so it must have an entry for every 85# unreleased API level targetable by this branch, not just those that are valid 86# lunch targets for this branch. 87 88# The last stable version name of the platform that was released. During 89# development, this stays at that previous version, while the codename indicates 90# further work based on the previous version. 91PLATFORM_VERSION_LAST_STABLE := 12 92.KATI_READONLY := PLATFORM_VERSION_LAST_STABLE 93 94# These are the current development codenames, if the build is not a final 95# release build. If this is a final release build, it is simply "REL". 96PLATFORM_VERSION_CODENAME.SP1A := REL 97 98ifndef PLATFORM_VERSION_CODENAME 99 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 100 ifndef PLATFORM_VERSION_CODENAME 101 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 102 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 103 endif 104 105 # This is all of the *active* development codenames. 106 # This confusing name is needed because 107 # all_codenames has been baked into build.prop for ages. 108 # 109 # Should be either the same as PLATFORM_VERSION_CODENAME or a comma-separated 110 # list of additional codenames after PLATFORM_VERSION_CODENAME. 111 PLATFORM_VERSION_ALL_CODENAMES := 112 113 # Build a list of all active code names. Avoid duplicates, and stop when we 114 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 115 # that is not included in our build). 116 _versions_in_target := \ 117 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 118 $(foreach version,$(_versions_in_target),\ 119 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 120 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 121 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 122 123 # And convert from space separated to comma separated. 124 PLATFORM_VERSION_ALL_CODENAMES := \ 125 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 126 127endif 128.KATI_READONLY := \ 129 PLATFORM_VERSION_CODENAME \ 130 PLATFORM_VERSION_ALL_CODENAMES 131 132ifndef PLATFORM_VERSION 133 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 134 PLATFORM_VERSION := $(PLATFORM_VERSION_LAST_STABLE) 135 else 136 PLATFORM_VERSION := $(PLATFORM_VERSION_CODENAME) 137 endif 138endif 139.KATI_READONLY := PLATFORM_VERSION 140 141ifndef PLATFORM_SDK_VERSION 142 # This is the canonical definition of the SDK version, which defines 143 # the set of APIs and functionality available in the platform. It 144 # is a single integer that increases monotonically as updates to 145 # the SDK are released. It should only be incremented when the APIs for 146 # the new release are frozen (so that developers don't write apps against 147 # intermediate builds). During development, this number remains at the 148 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 149 # the code-name of the new development work. 150 151 # When you increment the PLATFORM_SDK_VERSION please ensure you also 152 # clear out the following text file of all older PLATFORM_VERSION's: 153 # cts/tests/tests/os/assets/platform_versions.txt 154 PLATFORM_SDK_VERSION := 31 155endif 156.KATI_READONLY := PLATFORM_SDK_VERSION 157 158ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 159 PLATFORM_PREVIEW_SDK_VERSION := 0 160else 161 ifndef PLATFORM_PREVIEW_SDK_VERSION 162 # This is the definition of a preview SDK version over and above the current 163 # platform SDK version. Unlike the platform SDK version, a higher value 164 # for preview SDK version does NOT mean that all prior preview APIs are 165 # included. Packages reading this value to determine compatibility with 166 # known APIs should check that this value is precisely equal to the preview 167 # SDK version the package was built for, otherwise it should fall back to 168 # assuming the device can only support APIs as of the previous official 169 # public release. 170 # This value will always be forced to 0 for release builds by the logic 171 # in the "ifeq" block above, so the value below will be used on any 172 # non-release builds, and it should always be at least 1, to indicate that 173 # APIs may have changed since the claimed PLATFORM_SDK_VERSION. 174 PLATFORM_PREVIEW_SDK_VERSION := 1 175 endif 176endif 177.KATI_READONLY := PLATFORM_PREVIEW_SDK_VERSION 178 179ifndef DEFAULT_APP_TARGET_SDK 180 # This is the default minSdkVersion and targetSdkVersion to use for 181 # all .apks created by the build system. It can be overridden by explicitly 182 # setting these in the .apk's AndroidManifest.xml. It is either the code 183 # name of the development build or, if this is a release build, the official 184 # SDK version of this release. 185 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 186 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 187 else 188 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 189 endif 190endif 191.KATI_READONLY := DEFAULT_APP_TARGET_SDK 192 193ifndef PLATFORM_VNDK_VERSION 194 # This is the definition of the VNDK version for the current VNDK libraries. 195 # The version is only available when PLATFORM_VERSION_CODENAME == REL. 196 # Otherwise, it will be set to a CODENAME version. The ABI is allowed to be 197 # changed only before the Android version is released. Once 198 # PLATFORM_VNDK_VERSION is set to actual version, the ABI for this version 199 # will be frozon and emit build errors if any ABI for the VNDK libs are 200 # changed. 201 # After that the snapshot of the VNDK with this version will be generated. 202 # 203 # The VNDK version follows PLATFORM_SDK_VERSION. 204 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 205 PLATFORM_VNDK_VERSION := $(PLATFORM_SDK_VERSION) 206 else 207 PLATFORM_VNDK_VERSION := $(PLATFORM_VERSION_CODENAME) 208 endif 209endif 210.KATI_READONLY := PLATFORM_VNDK_VERSION 211 212ifndef PLATFORM_SYSTEMSDK_MIN_VERSION 213 # This is the oldest version of system SDK that the platform supports. Contrary 214 # to the public SDK where platform essentially supports all previous SDK versions, 215 # platform supports only a few number of recent system SDK versions as some of 216 # old system APIs are gradually deprecated, removed and then deleted. 217 PLATFORM_SYSTEMSDK_MIN_VERSION := 28 218endif 219.KATI_READONLY := PLATFORM_SYSTEMSDK_MIN_VERSION 220 221# This is the list of system SDK versions that the current platform supports. 222PLATFORM_SYSTEMSDK_VERSIONS := 223ifneq (,$(PLATFORM_SYSTEMSDK_MIN_VERSION)) 224 $(if $(call math_is_number,$(PLATFORM_SYSTEMSDK_MIN_VERSION)),,\ 225 $(error PLATFORM_SYSTEMSDK_MIN_VERSION must be a number, but was $(PLATFORM_SYSTEMSDK_MIN_VERSION))) 226 PLATFORM_SYSTEMSDK_VERSIONS := $(call int_range_list,$(PLATFORM_SYSTEMSDK_MIN_VERSION),$(PLATFORM_SDK_VERSION)) 227endif 228# Platform always supports the current version 229ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 230 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_SDK_VERSION) 231else 232 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_VERSION_CODENAME) 233endif 234PLATFORM_SYSTEMSDK_VERSIONS := $(strip $(sort $(PLATFORM_SYSTEMSDK_VERSIONS))) 235.KATI_READONLY := PLATFORM_SYSTEMSDK_VERSIONS 236 237ifndef PLATFORM_SECURITY_PATCH 238 # Used to indicate the security patch that has been applied to the device. 239 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 240 # It must be of the form "YYYY-MM-DD" on production devices. 241 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 242 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 243 PLATFORM_SECURITY_PATCH := 2021-10-05 244endif 245.KATI_READONLY := PLATFORM_SECURITY_PATCH 246 247ifndef PLATFORM_SECURITY_PATCH_TIMESTAMP 248 # Used to indicate the matching timestamp for the security patch string in PLATFORM_SECURITY_PATCH. 249 PLATFORM_SECURITY_PATCH_TIMESTAMP := $(shell date -d 'TZ="GMT" $(PLATFORM_SECURITY_PATCH)' +%s) 250endif 251.KATI_READONLY := PLATFORM_SECURITY_PATCH_TIMESTAMP 252 253ifndef PLATFORM_BASE_OS 254 # Used to indicate the base os applied to the device. 255 # Can be an arbitrary string, but must be a single word. 256 # 257 # If there is no $PLATFORM_BASE_OS set, keep it empty. 258 PLATFORM_BASE_OS := 259endif 260.KATI_READONLY := PLATFORM_BASE_OS 261 262ifndef BUILD_ID 263 # Used to signify special builds. E.g., branches and/or releases, 264 # like "M5-RC7". Can be an arbitrary string, but must be a single 265 # word and a valid file name. 266 # 267 # If there is no BUILD_ID set, make it obvious. 268 BUILD_ID := UNKNOWN 269endif 270.KATI_READONLY := BUILD_ID 271 272ifndef BUILD_DATETIME 273 # Used to reproduce builds by setting the same time. Must be the number 274 # of seconds since the Epoch. 275 BUILD_DATETIME := $(shell date +%s) 276endif 277 278DATE := date -d @$(BUILD_DATETIME) 279.KATI_READONLY := DATE 280 281# Everything should be using BUILD_DATETIME_FROM_FILE instead. 282# BUILD_DATETIME and DATE can be removed once BUILD_NUMBER moves 283# to soong_ui. 284$(KATI_obsolete_var BUILD_DATETIME,Use BUILD_DATETIME_FROM_FILE) 285 286HAS_BUILD_NUMBER := true 287ifndef BUILD_NUMBER 288 # BUILD_NUMBER should be set to the source control value that 289 # represents the current state of the source code. E.g., a 290 # perforce changelist number or a git hash. Can be an arbitrary string 291 # (to allow for source control that uses something other than numbers), 292 # but must be a single word and a valid file name. 293 # 294 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 295 # from this date/time" value. Make it start with a non-digit so that 296 # anyone trying to parse it as an integer will probably get "0". 297 BUILD_NUMBER := eng.$(shell echo $${BUILD_USERNAME:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 298 HAS_BUILD_NUMBER := false 299endif 300.KATI_READONLY := BUILD_NUMBER HAS_BUILD_NUMBER 301 302ifndef PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION 303 # Used to set minimum supported target sdk version. Apps targeting sdk 304 # version lower than the set value will result in a warning being shown 305 # when any activity from the app is started. 306 PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 23 307endif 308.KATI_READONLY := PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION 309