version_defaults.mk revision f6cf099b27d3e8bbbcfb8f6f924e995247b13f2c
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 41# Returns all words in $1 up to and including $2 42define find_and_earlier 43 $(strip $(if $(1), 44 $(firstword $(1)) 45 $(if $(filter $(firstword $(1)),$(2)),, 46 $(call find_and_earlier,$(wordlist 2,$(words $(1)),$(1)),$(2))))) 47endef 48 49#$(warning $(call find_and_earlier,A B C,A)) 50#$(warning $(call find_and_earlier,A B C,B)) 51#$(warning $(call find_and_earlier,A B C,C)) 52#$(warning $(call find_and_earlier,A B C,D)) 53 54define version-list 55$(1)PR1 $(1)PD1 $(1)PD2 $(1)PM1 $(1)PM2 56endef 57 58ALL_VERSIONS := O P 59ALL_VERSIONS := $(foreach v,$(ALL_VERSIONS),$(call version-list,$(v))) 60 61# HACK: forward P to PPR1 until the build server config is updated 62ifeq (P,$(TARGET_PLATFORM_VERSION)) 63 TARGET_PLATFORM_VERSION := PPR1 64endif 65 66ifeq (,$(TARGET_PLATFORM_VERSION)) 67 # Default targeted platform version 68 # TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 69 # on this 70 TARGET_PLATFORM_VERSION := OPR1 71endif 72 73ifeq (,$(filter $(ALL_VERSIONS), $(TARGET_PLATFORM_VERSION))) 74$(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 75$(warning $(ALL_VERSIONS)) 76$(error Stopping...) 77endif 78 79ENABLED_VERSIONS := $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 80 81$(foreach v,$(ENABLED_VERSIONS), \ 82 $(eval IS_AT_LEAST_$(v) := true)) 83 84# Default versions for each TARGET_PLATFORM_VERSION 85 86# This is the canonical definition of the platform version, 87# which is the version that we reveal to the end user. 88# Update this value when the platform version changes (rather 89# than overriding it somewhere else). Can be an arbitrary string. 90 91# When you add a new PLATFORM_VERSION which will result in a new 92# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast* 93# method in the following java file: 94# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 95 96# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 97# please add that PLATFORM_VERSION to the following text file: 98# cts/tests/tests/os/assets/platform_versions.txt 99PLATFORM_VERSION.OPR1 := O 100 101# This is the current development code-name, if the build is not a final 102# release build. If this is a final release build, it is simply "REL". 103PLATFORM_VERSION_CODENAME.OPR1 := O 104 105ifndef PLATFORM_VERSION 106 PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION)) 107 ifndef PLATFORM_VERSION 108 # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION 109 PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION) 110 endif 111endif 112 113ifndef PLATFORM_SDK_VERSION 114 # This is the canonical definition of the SDK version, which defines 115 # the set of APIs and functionality available in the platform. It 116 # is a single integer that increases monotonically as updates to 117 # the SDK are released. It should only be incremented when the APIs for 118 # the new release are frozen (so that developers don't write apps against 119 # intermediate builds). During development, this number remains at the 120 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 121 # the code-name of the new development work. 122 123 # When you change PLATFORM_SDK_VERSION please ensure you also update the 124 # corresponding methods for isAtLeast* in the following java file: 125 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 126 127 # When you increment the PLATFORM_SDK_VERSION please ensure you also 128 # clear out the following text file of all older PLATFORM_VERSION's: 129 # cts/tests/tests/os/assets/platform_versions.txt 130 PLATFORM_SDK_VERSION := 25 131endif 132 133ifndef PLATFORM_JACK_MIN_SDK_VERSION 134 # This is definition of the min SDK version given to Jack for the current 135 # platform. For released version it should be the same as 136 # PLATFORM_SDK_VERSION. During development, this number may be incremented 137 # before PLATFORM_SDK_VERSION if the plateform starts to add new java 138 # language supports. 139 PLATFORM_JACK_MIN_SDK_VERSION := o-b1 140endif 141 142ifndef PLATFORM_VERSION_CODENAME 143 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 144 ifndef PLATFORM_VERSION_CODENAME 145 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 146 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 147 endif 148 149 # This is all of the development codenames that are active. Should be either 150 # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional 151 # codenames after PLATFORM_VERSION_CODENAME. 152 PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME) 153endif 154 155ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 156 PLATFORM_PREVIEW_SDK_VERSION := 0 157else 158 ifndef PLATFORM_PREVIEW_SDK_VERSION 159 # This is the definition of a preview SDK version over and above the current 160 # platform SDK version. Unlike the platform SDK version, a higher value 161 # for preview SDK version does NOT mean that all prior preview APIs are 162 # included. Packages reading this value to determine compatibility with 163 # known APIs should check that this value is precisely equal to the preview 164 # SDK version the package was built for, otherwise it should fall back to 165 # assuming the device can only support APIs as of the previous official 166 # public release. 167 # This value will always be 0 for release builds. 168 PLATFORM_PREVIEW_SDK_VERSION := 0 169 endif 170endif 171 172ifndef DEFAULT_APP_TARGET_SDK 173 # This is the default minSdkVersion and targetSdkVersion to use for 174 # all .apks created by the build system. It can be overridden by explicitly 175 # setting these in the .apk's AndroidManifest.xml. It is either the code 176 # name of the development build or, if this is a release build, the official 177 # SDK version of this release. 178 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 179 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 180 else 181 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 182 endif 183endif 184 185ifndef PLATFORM_SECURITY_PATCH 186 # Used to indicate the security patch that has been applied to the device. 187 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 188 # It must be of the form "YYYY-MM-DD" on production devices. 189 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 190 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 191 PLATFORM_SECURITY_PATCH := 2017-04-05 192endif 193 194ifndef PLATFORM_BASE_OS 195 # Used to indicate the base os applied to the device. 196 # Can be an arbitrary string, but must be a single word. 197 # 198 # If there is no $PLATFORM_BASE_OS set, keep it empty. 199 PLATFORM_BASE_OS := 200endif 201 202ifndef BUILD_ID 203 # Used to signify special builds. E.g., branches and/or releases, 204 # like "M5-RC7". Can be an arbitrary string, but must be a single 205 # word and a valid file name. 206 # 207 # If there is no BUILD_ID set, make it obvious. 208 BUILD_ID := UNKNOWN 209endif 210 211ifndef BUILD_DATETIME 212 # Used to reproduce builds by setting the same time. Must be the number 213 # of seconds since the Epoch. 214 BUILD_DATETIME := $(shell date +%s) 215endif 216 217ifneq (,$(findstring Darwin,$(shell uname -sm))) 218DATE := date -r $(BUILD_DATETIME) 219else 220DATE := date -d @$(BUILD_DATETIME) 221endif 222 223ifndef BUILD_NUMBER 224 # BUILD_NUMBER should be set to the source control value that 225 # represents the current state of the source code. E.g., a 226 # perforce changelist number or a git hash. Can be an arbitrary string 227 # (to allow for source control that uses something other than numbers), 228 # but must be a single word and a valid file name. 229 # 230 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 231 # from this date/time" value. Make it start with a non-digit so that 232 # anyone trying to parse it as an integer will probably get "0". 233 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 234endif 235