version_defaults.mk revision 08a11a771c7a4a2f8c04a382f2192da243023bd8
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# PLATFORM_VNDK_VERSION 30# PLATFORM_SYSTEMSDK_VERSIONS 31# 32 33# Look for an optional file containing overrides of the defaults, 34# but don't cry if we don't find it. We could just use -include, but 35# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set 36# if the file exists. 37# 38INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk) 39ifdef INTERNAL_BUILD_ID_MAKEFILE 40 include $(INTERNAL_BUILD_ID_MAKEFILE) 41endif 42 43DEFAULT_PLATFORM_VERSION := PPR1 44MIN_PLATFORM_VERSION := PPR1 45MAX_PLATFORM_VERSION := PPR1 46 47ALLOWED_VERSIONS := $(call allowed-platform-versions,\ 48 $(MIN_PLATFORM_VERSION),\ 49 $(MAX_PLATFORM_VERSION),\ 50 $(DEFAULT_PLATFORM_VERSION)) 51 52ifndef TARGET_PLATFORM_VERSION 53 TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION) 54endif 55 56ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION))) 57 $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 58 $(error $(ALLOWED_VERSIONS)) 59endif 60 61# Default versions for each TARGET_PLATFORM_VERSION 62# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 63# on this 64 65# This is the canonical definition of the platform version, 66# which is the version that we reveal to the end user. 67# Update this value when the platform version changes (rather 68# than overriding it somewhere else). Can be an arbitrary string. 69 70# When you add a new PLATFORM_VERSION which will result in a new 71# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast* 72# method in the following java file: 73# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 74 75# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 76# please add that PLATFORM_VERSION as well as clean up obsolete PLATFORM_VERSION's 77# in the following text file: 78# cts/tests/tests/os/assets/platform_versions.txt 79PLATFORM_VERSION.PPR1 := P 80 81# These are the current development codenames, if the build is not a final 82# release build. If this is a final release build, it is simply "REL". 83PLATFORM_VERSION_CODENAME.PPR1 := P 84 85ifndef PLATFORM_VERSION 86 PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION)) 87 ifndef PLATFORM_VERSION 88 # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION 89 PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION) 90 endif 91endif 92 93ifndef PLATFORM_SDK_VERSION 94 # This is the canonical definition of the SDK version, which defines 95 # the set of APIs and functionality available in the platform. It 96 # is a single integer that increases monotonically as updates to 97 # the SDK are released. It should only be incremented when the APIs for 98 # the new release are frozen (so that developers don't write apps against 99 # intermediate builds). During development, this number remains at the 100 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 101 # the code-name of the new development work. 102 103 # When you change PLATFORM_SDK_VERSION please ensure you also update the 104 # corresponding methods for isAtLeast* in the following java file: 105 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 106 107 # When you increment the PLATFORM_SDK_VERSION please ensure you also 108 # clear out the following text file of all older PLATFORM_VERSION's: 109 # cts/tests/tests/os/assets/platform_versions.txt 110 PLATFORM_SDK_VERSION := 27 111endif 112 113ifndef PLATFORM_VERSION_CODENAME 114 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 115 ifndef PLATFORM_VERSION_CODENAME 116 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 117 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 118 endif 119 120 # This is all of the *active* development codenames. There are future 121 # codenames not included in this list. This confusing name is needed because 122 # all_codenames has been baked into build.prop for ages. 123 # 124 # Should be either the same as PLATFORM_VERSION_CODENAME or a comma-separated 125 # list of additional codenames after PLATFORM_VERSION_CODENAME. 126 PLATFORM_VERSION_ALL_CODENAMES := 127 128 # Build a list of all active code names. Avoid duplicates, and stop when we 129 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 130 # that is not included in our build). 131 _versions_in_target := \ 132 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 133 $(foreach version,$(_versions_in_target),\ 134 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 135 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 136 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 137 138 # This is all of the inactive development codenames. Available to be targeted 139 # in this branch but in the future relative to our current target. 140 PLATFORM_VERSION_FUTURE_CODENAMES := 141 142 # Build a list of all untargeted code names. Avoid duplicates. 143 _versions_not_in_target := \ 144 $(filter-out $(PLATFORM_VERSION_ALL_CODENAMES),$(ALL_VERSIONS)) 145 $(foreach version,$(_versions_not_in_target),\ 146 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 147 $(if $(filter $(_codename),$(PLATFORM_VERSION_FUTURE_CODENAMES)),,\ 148 $(eval PLATFORM_VERSION_FUTURE_CODENAMES += $(_codename)))) 149 150 # And convert from space separated to comma separated. 151 PLATFORM_VERSION_ALL_CODENAMES := \ 152 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 153 PLATFORM_VERSION_FUTURE_CODENAMES := \ 154 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_FUTURE_CODENAMES))) 155 156endif 157 158ifeq (REL,$(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 0 for release builds. 171 PLATFORM_PREVIEW_SDK_VERSION := 1 172 endif 173endif 174 175ifndef DEFAULT_APP_TARGET_SDK 176 # This is the default minSdkVersion and targetSdkVersion to use for 177 # all .apks created by the build system. It can be overridden by explicitly 178 # setting these in the .apk's AndroidManifest.xml. It is either the code 179 # name of the development build or, if this is a release build, the official 180 # SDK version of this release. 181 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 182 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 183 else 184 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 185 endif 186endif 187 188ifndef PLATFORM_VNDK_VERSION 189 # This is the definition of the VNDK version for the current VNDK libraries. 190 # The version is only available when PLATFORM_VERSION_CODENAME == REL. 191 # Otherwise, it will be set to a CODENAME version. The ABI is allowed to be 192 # changed only before the Android version is released. Once 193 # PLATFORM_VNDK_VERSION is set to actual version, the ABI for this version 194 # will be frozon and emit build errors if any ABI for the VNDK libs are 195 # changed. 196 # After that the snapshot of the VNDK with this version will be generated. 197 # 198 # The VNDK version follows PLATFORM_SDK_VERSION. 199 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 200 PLATFORM_VNDK_VERSION := $(PLATFORM_SDK_VERSION) 201 else 202 PLATFORM_VNDK_VERSION := $(PLATFORM_VERSION_CODENAME) 203 endif 204endif 205 206ifndef PLATFORM_SYSTEMSDK_MIN_VERSION 207 # This is the oldest version of system SDK that the platform supports. Contrary 208 # to the public SDK where platform essentially supports all previous SDK versions, 209 # platform supports only a few number of recent system SDK versions as some of 210 # old system APIs are gradually deprecated, removed and then deleted. 211 # However, currently in P, we only support the single latest version since there 212 # is no old system SDK versions. Therefore, this is set to empty for now. This 213 # should later (in post P) be set to a number, like 28. 214 PLATFORM_SYSTEMSDK_MIN_VERSION := 215endif 216 217# This is the list of system SDK versions that the current platform supports. 218PLATFORM_SYSTEMSDK_VERSIONS := 219ifneq (,$(PLATFORM_SYSTEMSDK_MIN_VERSION)) 220 $(if $(call math_is_number,$(PLATFORM_SYSTEMSDK_MIN_VERSION)),,\ 221 $(error PLATFORM_SYSTEMSDK_MIN_VERSION must be a number, but was $(PLATFORM_SYSTEMSDK_MIN_VERSION))) 222 PLATFORM_SYSTEMSDK_VERSIONS := $(call int_range_list,$(PLATFORM_SYSTEMSDK_MIN_VERSION),$(PLATFORM_SDK_VERSION)) 223endif 224# Platform always supports the current version 225ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 226 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_SDK_VERSION) 227else 228 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_VERSION_CODENAME) 229endif 230PLATFORM_SYSTEMSDK_VERSIONS := $(strip $(sort $(PLATFORM_SYSTEMSDK_VERSIONS))) 231 232ifndef PLATFORM_SECURITY_PATCH 233 # Used to indicate the security patch that has been applied to the device. 234 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 235 # It must be of the form "YYYY-MM-DD" on production devices. 236 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 237 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 238 PLATFORM_SECURITY_PATCH := 2018-02-05 239endif 240 241ifndef PLATFORM_BASE_OS 242 # Used to indicate the base os applied to the device. 243 # Can be an arbitrary string, but must be a single word. 244 # 245 # If there is no $PLATFORM_BASE_OS set, keep it empty. 246 PLATFORM_BASE_OS := 247endif 248 249ifndef BUILD_ID 250 # Used to signify special builds. E.g., branches and/or releases, 251 # like "M5-RC7". Can be an arbitrary string, but must be a single 252 # word and a valid file name. 253 # 254 # If there is no BUILD_ID set, make it obvious. 255 BUILD_ID := UNKNOWN 256endif 257 258ifndef BUILD_DATETIME 259 # Used to reproduce builds by setting the same time. Must be the number 260 # of seconds since the Epoch. 261 BUILD_DATETIME := $(shell date +%s) 262endif 263 264ifneq (,$(findstring Darwin,$(UNAME))) 265DATE := date -r $(BUILD_DATETIME) 266else 267DATE := date -d @$(BUILD_DATETIME) 268endif 269 270ifndef BUILD_NUMBER 271 # BUILD_NUMBER should be set to the source control value that 272 # represents the current state of the source code. E.g., a 273 # perforce changelist number or a git hash. Can be an arbitrary string 274 # (to allow for source control that uses something other than numbers), 275 # but must be a single word and a valid file name. 276 # 277 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 278 # from this date/time" value. Make it start with a non-digit so that 279 # anyone trying to parse it as an integer will probably get "0". 280 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 281endif 282 283ifndef PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION 284 # Used to set minimum supported target sdk version. Apps targeting sdk 285 # version lower than the set value will fail to install and run on android 286 # device. 287 PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 17 288endif 289