version_defaults.mk revision 9c5e7e24b8292f4b46cdc5e4e6c8d69c9df82c01
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 := OPM1 42MIN_PLATFORM_VERSION := OPM1 43MAX_PLATFORM_VERSION := OPM1 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 to the following text file: 75# cts/tests/tests/os/assets/platform_versions.txt 76PLATFORM_VERSION.OPM1 := OMR1 77 78# These are the current development codenames, if the build is not a final 79# release build. If this is a final release build, it is simply "REL". 80PLATFORM_VERSION_CODENAME.OPM1 := OMR1 81 82ifndef PLATFORM_VERSION 83 PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION)) 84 ifndef PLATFORM_VERSION 85 # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION 86 PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION) 87 endif 88endif 89 90ifndef PLATFORM_SDK_VERSION 91 # This is the canonical definition of the SDK version, which defines 92 # the set of APIs and functionality available in the platform. It 93 # is a single integer that increases monotonically as updates to 94 # the SDK are released. It should only be incremented when the APIs for 95 # the new release are frozen (so that developers don't write apps against 96 # intermediate builds). During development, this number remains at the 97 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 98 # the code-name of the new development work. 99 100 # When you change PLATFORM_SDK_VERSION please ensure you also update the 101 # corresponding methods for isAtLeast* in the following java file: 102 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 103 104 # When you increment the PLATFORM_SDK_VERSION please ensure you also 105 # clear out the following text file of all older PLATFORM_VERSION's: 106 # cts/tests/tests/os/assets/platform_versions.txt 107 PLATFORM_SDK_VERSION := 26 108endif 109 110ifndef PLATFORM_JACK_MIN_SDK_VERSION 111 # This is definition of the min SDK version given to Jack for the current 112 # platform. For released version it should be the same as 113 # PLATFORM_SDK_VERSION. During development, this number may be incremented 114 # before PLATFORM_SDK_VERSION if the platform starts to add new java 115 # language supports. 116 PLATFORM_JACK_MIN_SDK_VERSION := o-b1 117endif 118 119ifndef PLATFORM_VERSION_CODENAME 120 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 121 ifndef PLATFORM_VERSION_CODENAME 122 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 123 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 124 endif 125 126 # This is all of the development codenames that are active. Should be either 127 # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional 128 # codenames after PLATFORM_VERSION_CODENAME. 129 PLATFORM_VERSION_ALL_CODENAMES := 130 131 # Build a list of all possible code names. Avoid duplicates, and stop when we 132 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 133 # that is not included in our build. 134 _versions_in_target := \ 135 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 136 $(foreach version,$(_versions_in_target),\ 137 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 138 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 139 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 140 141 # And convert from space separated to comma separated. 142 PLATFORM_VERSION_ALL_CODENAMES := \ 143 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 144 145endif 146 147ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 148 PLATFORM_PREVIEW_SDK_VERSION := 0 149else 150 ifndef PLATFORM_PREVIEW_SDK_VERSION 151 # This is the definition of a preview SDK version over and above the current 152 # platform SDK version. Unlike the platform SDK version, a higher value 153 # for preview SDK version does NOT mean that all prior preview APIs are 154 # included. Packages reading this value to determine compatibility with 155 # known APIs should check that this value is precisely equal to the preview 156 # SDK version the package was built for, otherwise it should fall back to 157 # assuming the device can only support APIs as of the previous official 158 # public release. 159 # This value will always be 0 for release builds. 160 PLATFORM_PREVIEW_SDK_VERSION := 1 161 endif 162endif 163 164ifndef DEFAULT_APP_TARGET_SDK 165 # This is the default minSdkVersion and targetSdkVersion to use for 166 # all .apks created by the build system. It can be overridden by explicitly 167 # setting these in the .apk's AndroidManifest.xml. It is either the code 168 # name of the development build or, if this is a release build, the official 169 # SDK version of this release. 170 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 171 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 172 else 173 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 174 endif 175endif 176 177ifndef PLATFORM_SECURITY_PATCH 178 # Used to indicate the security patch that has been applied to the device. 179 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 180 # It must be of the form "YYYY-MM-DD" on production devices. 181 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 182 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 183 PLATFORM_SECURITY_PATCH := 2017-09-05 184endif 185 186ifndef PLATFORM_BASE_OS 187 # Used to indicate the base os applied to the device. 188 # Can be an arbitrary string, but must be a single word. 189 # 190 # If there is no $PLATFORM_BASE_OS set, keep it empty. 191 PLATFORM_BASE_OS := 192endif 193 194ifndef BUILD_ID 195 # Used to signify special builds. E.g., branches and/or releases, 196 # like "M5-RC7". Can be an arbitrary string, but must be a single 197 # word and a valid file name. 198 # 199 # If there is no BUILD_ID set, make it obvious. 200 BUILD_ID := UNKNOWN 201endif 202 203ifndef BUILD_DATETIME 204 # Used to reproduce builds by setting the same time. Must be the number 205 # of seconds since the Epoch. 206 BUILD_DATETIME := $(shell date +%s) 207endif 208 209ifneq (,$(findstring Darwin,$(UNAME))) 210DATE := date -r $(BUILD_DATETIME) 211else 212DATE := date -d @$(BUILD_DATETIME) 213endif 214 215ifndef BUILD_NUMBER 216 # BUILD_NUMBER should be set to the source control value that 217 # represents the current state of the source code. E.g., a 218 # perforce changelist number or a git hash. Can be an arbitrary string 219 # (to allow for source control that uses something other than numbers), 220 # but must be a single word and a valid file name. 221 # 222 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 223 # from this date/time" value. Make it start with a non-digit so that 224 # anyone trying to parse it as an integer will probably get "0". 225 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 226endif 227