version_defaults.mk revision 2325d05510c5883ec182945c7ca4547fea5bf1ab
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 := PPR1 43MIN_PLATFORM_VERSION := PPR1 44MAX_PLATFORM_VERSION := PPR1 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 59 60# Default versions for each TARGET_PLATFORM_VERSION 61# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 62# on this 63 64# This is the canonical definition of the platform version, 65# which is the version that we reveal to the end user. 66# Update this value when the platform version changes (rather 67# than overriding it somewhere else). Can be an arbitrary string. 68 69# When you add a new PLATFORM_VERSION which will result in a new 70# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast* 71# method in the following java file: 72# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 73 74# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 75# please add that PLATFORM_VERSION as well as clean up obsolete PLATFORM_VERSION's 76# in the following text file: 77# cts/tests/tests/os/assets/platform_versions.txt 78PLATFORM_VERSION.PPR1 := 9 79 80# These are the current development codenames, if the build is not a final 81# release build. If this is a final release build, it is simply "REL". 82PLATFORM_VERSION_CODENAME.PPR1 := REL 83 84ifndef PLATFORM_VERSION 85 PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION)) 86 ifndef PLATFORM_VERSION 87 # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION 88 PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION) 89 endif 90endif 91 92ifndef PLATFORM_SDK_VERSION 93 # This is the canonical definition of the SDK version, which defines 94 # the set of APIs and functionality available in the platform. It 95 # is a single integer that increases monotonically as updates to 96 # the SDK are released. It should only be incremented when the APIs for 97 # the new release are frozen (so that developers don't write apps against 98 # intermediate builds). During development, this number remains at the 99 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 100 # the code-name of the new development work. 101 102 # When you change PLATFORM_SDK_VERSION please ensure you also update the 103 # corresponding methods for isAtLeast* in the following java file: 104 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 105 106 # When you increment the PLATFORM_SDK_VERSION please ensure you also 107 # clear out the following text file of all older PLATFORM_VERSION's: 108 # cts/tests/tests/os/assets/platform_versions.txt 109 PLATFORM_SDK_VERSION := 28 110endif 111 112ifndef PLATFORM_VERSION_CODENAME 113 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 114 ifndef PLATFORM_VERSION_CODENAME 115 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 116 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 117 endif 118 119 # This is all of the *active* development codenames. There are future 120 # codenames not included in this list. This confusing name is needed because 121 # all_codenames has been baked into build.prop for ages. 122 # 123 # Should be either the same as PLATFORM_VERSION_CODENAME or a comma-separated 124 # list of additional codenames after PLATFORM_VERSION_CODENAME. 125 PLATFORM_VERSION_ALL_CODENAMES := 126 127 # Build a list of all active code names. Avoid duplicates, and stop when we 128 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 129 # that is not included in our build). 130 _versions_in_target := \ 131 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 132 $(foreach version,$(_versions_in_target),\ 133 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 134 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 135 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 136 137 # This is all of the inactive development codenames. Available to be targeted 138 # in this branch but in the future relative to our current target. 139 PLATFORM_VERSION_FUTURE_CODENAMES := 140 141 # Build a list of all untargeted code names. Avoid duplicates. 142 _versions_not_in_target := \ 143 $(filter-out $(PLATFORM_VERSION_ALL_CODENAMES),$(ALL_VERSIONS)) 144 $(foreach version,$(_versions_not_in_target),\ 145 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 146 $(if $(filter $(_codename),$(PLATFORM_VERSION_FUTURE_CODENAMES)),,\ 147 $(eval PLATFORM_VERSION_FUTURE_CODENAMES += $(_codename)))) 148 149 # And convert from space separated to comma separated. 150 PLATFORM_VERSION_ALL_CODENAMES := \ 151 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 152 PLATFORM_VERSION_FUTURE_CODENAMES := \ 153 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_FUTURE_CODENAMES))) 154 155endif 156 157ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 158 PLATFORM_PREVIEW_SDK_VERSION := 0 159else 160 ifndef PLATFORM_PREVIEW_SDK_VERSION 161 # This is the definition of a preview SDK version over and above the current 162 # platform SDK version. Unlike the platform SDK version, a higher value 163 # for preview SDK version does NOT mean that all prior preview APIs are 164 # included. Packages reading this value to determine compatibility with 165 # known APIs should check that this value is precisely equal to the preview 166 # SDK version the package was built for, otherwise it should fall back to 167 # assuming the device can only support APIs as of the previous official 168 # public release. 169 # This value will always be 0 for release builds. 170 PLATFORM_PREVIEW_SDK_VERSION := 2 171 endif 172endif 173 174ifndef DEFAULT_APP_TARGET_SDK 175 # This is the default minSdkVersion and targetSdkVersion to use for 176 # all .apks created by the build system. It can be overridden by explicitly 177 # setting these in the .apk's AndroidManifest.xml. It is either the code 178 # name of the development build or, if this is a release build, the official 179 # SDK version of this release. 180 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 181 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 182 else 183 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 184 endif 185endif 186 187ifndef PLATFORM_VNDK_VERSION 188 # This is the definition of the VNDK version for the current VNDK libraries. 189 # The version is only available when PLATFORM_VERSION_CODENAME == REL. 190 # Otherwise, it will be set to a CODENAME version. The ABI is allowed to be 191 # changed only before the Android version is released. Once 192 # PLATFORM_VNDK_VERSION is set to actual version, the ABI for this version 193 # will be frozon and emit build errors if any ABI for the VNDK libs are 194 # changed. 195 # After that the snapshot of the VNDK with this version will be generated. 196 # 197 # The VNDK version follows PLATFORM_SDK_VERSION. 198 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 199 PLATFORM_VNDK_VERSION := $(PLATFORM_SDK_VERSION) 200 else 201 PLATFORM_VNDK_VERSION := $(PLATFORM_VERSION_CODENAME) 202 endif 203endif 204 205ifndef PLATFORM_SYSTEMSDK_MIN_VERSION 206 # This is the oldest version of system SDK that the platform supports. Contrary 207 # to the public SDK where platform essentially supports all previous SDK versions, 208 # platform supports only a few number of recent system SDK versions as some of 209 # old system APIs are gradually deprecated, removed and then deleted. 210 # However, currently in P, we only support the single latest version since there 211 # is no old system SDK versions. Therefore, this is set to empty for now. This 212 # should later (in post P) be set to a number, like 28. 213 PLATFORM_SYSTEMSDK_MIN_VERSION := 214endif 215 216# This is the list of system SDK versions that the current platform supports. 217PLATFORM_SYSTEMSDK_VERSIONS := 218ifneq (,$(PLATFORM_SYSTEMSDK_MIN_VERSION)) 219 $(if $(call math_is_number,$(PLATFORM_SYSTEMSDK_MIN_VERSION)),,\ 220 $(error PLATFORM_SYSTEMSDK_MIN_VERSION must be a number, but was $(PLATFORM_SYSTEMSDK_MIN_VERSION))) 221 PLATFORM_SYSTEMSDK_VERSIONS := $(call int_range_list,$(PLATFORM_SYSTEMSDK_MIN_VERSION),$(PLATFORM_SDK_VERSION)) 222endif 223# Platform always supports the current version 224ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 225 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_SDK_VERSION) 226else 227 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_VERSION_CODENAME) 228endif 229PLATFORM_SYSTEMSDK_VERSIONS := $(strip $(sort $(PLATFORM_SYSTEMSDK_VERSIONS))) 230 231ifndef PLATFORM_SECURITY_PATCH 232 # Used to indicate the security patch that has been applied to the device. 233 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 234 # It must be of the form "YYYY-MM-DD" on production devices. 235 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 236 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 237 PLATFORM_SECURITY_PATCH := 2018-04-05 238endif 239 240ifndef PLATFORM_BASE_OS 241 # Used to indicate the base os applied to the device. 242 # Can be an arbitrary string, but must be a single word. 243 # 244 # If there is no $PLATFORM_BASE_OS set, keep it empty. 245 PLATFORM_BASE_OS := 246endif 247 248ifndef BUILD_ID 249 # Used to signify special builds. E.g., branches and/or releases, 250 # like "M5-RC7". Can be an arbitrary string, but must be a single 251 # word and a valid file name. 252 # 253 # If there is no BUILD_ID set, make it obvious. 254 BUILD_ID := UNKNOWN 255endif 256 257ifndef BUILD_DATETIME 258 # Used to reproduce builds by setting the same time. Must be the number 259 # of seconds since the Epoch. 260 BUILD_DATETIME := $(shell date +%s) 261endif 262 263ifneq (,$(findstring Darwin,$(UNAME))) 264DATE := date -r $(BUILD_DATETIME) 265else 266DATE := date -d @$(BUILD_DATETIME) 267endif 268 269# Everything should be using BUILD_DATETIME_FROM_FILE instead. 270# BUILD_DATETIME and DATE can be removed once BUILD_NUMBER moves 271# to soong_ui. 272BUILD_DATETIME := 273 274HAS_BUILD_NUMBER := true 275ifndef BUILD_NUMBER 276 # BUILD_NUMBER should be set to the source control value that 277 # represents the current state of the source code. E.g., a 278 # perforce changelist number or a git hash. Can be an arbitrary string 279 # (to allow for source control that uses something other than numbers), 280 # but must be a single word and a valid file name. 281 # 282 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 283 # from this date/time" value. Make it start with a non-digit so that 284 # anyone trying to parse it as an integer will probably get "0". 285 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 286 HAS_BUILD_NUMBER := false 287endif 288 289ifndef PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION 290 # Used to set minimum supported target sdk version. Apps targeting sdk 291 # version lower than the set value will fail to install and run on android 292 # device. 293 PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 17 294endif 295