version_defaults.mk revision f78a2f821c7bf87f5d37866969bb612ee4b72a16
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) $(1)DR1 $(1)DR2 $(1)MR1 $(1)MR2 56endef 57 58ALL_VERSIONS := O P 59ALL_VERSIONS := $(foreach v,$(ALL_VERSIONS),$(call version-list,$(v))) 60 61ifeq (,$(TARGET_PLATFORM_VERSION)) 62 # Default targeted platform version 63 # TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 64 # on this 65 TARGET_PLATFORM_VERSION := O 66endif 67 68ifeq (,$(filter $(ALL_VERSIONS), $(TARGET_PLATFORM_VERSION))) 69$(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 70$(warning $(ALL_VERSIONS)) 71$(error Stopping...) 72endif 73 74ENABLED_VERSIONS := $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 75 76$(foreach v,$(ENABLED_VERSIONS), \ 77 $(eval IS_AT_LEAST_$(v) := true)) 78 79ifndef PLATFORM_VERSION 80 # This is the canonical definition of the platform version, 81 # which is the version that we reveal to the end user. 82 # Update this value when the platform version changes (rather 83 # than overriding it somewhere else). Can be an arbitrary string. 84 85 # When you add a new PLATFORM_VERSION which will result in a new 86 # PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast* 87 # method in the following java file: 88 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 89 90 # When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 91 # please add that PLATFORM_VERSION to the following text file: 92 # cts/tests/tests/os/assets/platform_versions.txt 93 PLATFORM_VERSION := 7.1.2 94endif 95 96ifndef PLATFORM_SDK_VERSION 97 # This is the canonical definition of the SDK version, which defines 98 # the set of APIs and functionality available in the platform. It 99 # is a single integer that increases monotonically as updates to 100 # the SDK are released. It should only be incremented when the APIs for 101 # the new release are frozen (so that developers don't write apps against 102 # intermediate builds). During development, this number remains at the 103 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 104 # the code-name of the new development work. 105 106 # When you change PLATFORM_SDK_VERSION please ensure you also update the 107 # corresponding methods for isAtLeast* in the following java file: 108 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 109 110 # When you increment the PLATFORM_SDK_VERSION please ensure you also 111 # clear out the following text file of all older PLATFORM_VERSION's: 112 # cts/tests/tests/os/assets/platform_versions.txt 113 PLATFORM_SDK_VERSION := 25 114endif 115 116ifndef PLATFORM_JACK_MIN_SDK_VERSION 117 # This is definition of the min SDK version given to Jack for the current 118 # platform. For released version it should be the same as 119 # PLATFORM_SDK_VERSION. During development, this number may be incremented 120 # before PLATFORM_SDK_VERSION if the plateform starts to add new java 121 # language supports. 122 PLATFORM_JACK_MIN_SDK_VERSION := o-b1 123endif 124 125ifndef PLATFORM_VERSION_CODENAME 126 # This is the current development code-name, if the build is not a final 127 # release build. If this is a final release build, it is simply "REL". 128 PLATFORM_VERSION_CODENAME := REL 129 130 # This is all of the development codenames that are active. Should be either 131 # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional 132 # codenames after PLATFORM_VERSION_CODENAME. 133 PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME) 134endif 135 136ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 137 PLATFORM_PREVIEW_SDK_VERSION := 0 138else 139 ifndef PLATFORM_PREVIEW_SDK_VERSION 140 # This is the definition of a preview SDK version over and above the current 141 # platform SDK version. Unlike the platform SDK version, a higher value 142 # for preview SDK version does NOT mean that all prior preview APIs are 143 # included. Packages reading this value to determine compatibility with 144 # known APIs should check that this value is precisely equal to the preview 145 # SDK version the package was built for, otherwise it should fall back to 146 # assuming the device can only support APIs as of the previous official 147 # public release. 148 # This value will always be 0 for release builds. 149 PLATFORM_PREVIEW_SDK_VERSION := 0 150 endif 151endif 152 153ifndef DEFAULT_APP_TARGET_SDK 154 # This is the default minSdkVersion and targetSdkVersion to use for 155 # all .apks created by the build system. It can be overridden by explicitly 156 # setting these in the .apk's AndroidManifest.xml. It is either the code 157 # name of the development build or, if this is a release build, the official 158 # SDK version of this release. 159 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 160 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 161 else 162 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 163 endif 164endif 165 166ifndef PLATFORM_SECURITY_PATCH 167 # Used to indicate the security patch that has been applied to the device. 168 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 169 # It must be of the form "YYYY-MM-DD" on production devices. 170 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 171 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 172 PLATFORM_SECURITY_PATCH := 2017-04-05 173endif 174 175ifndef PLATFORM_BASE_OS 176 # Used to indicate the base os applied to the device. 177 # Can be an arbitrary string, but must be a single word. 178 # 179 # If there is no $PLATFORM_BASE_OS set, keep it empty. 180 PLATFORM_BASE_OS := 181endif 182 183ifndef BUILD_ID 184 # Used to signify special builds. E.g., branches and/or releases, 185 # like "M5-RC7". Can be an arbitrary string, but must be a single 186 # word and a valid file name. 187 # 188 # If there is no BUILD_ID set, make it obvious. 189 BUILD_ID := UNKNOWN 190endif 191 192ifndef BUILD_DATETIME 193 # Used to reproduce builds by setting the same time. Must be the number 194 # of seconds since the Epoch. 195 BUILD_DATETIME := $(shell date +%s) 196endif 197 198ifneq (,$(findstring Darwin,$(shell uname -sm))) 199DATE := date -r $(BUILD_DATETIME) 200else 201DATE := date -d @$(BUILD_DATETIME) 202endif 203 204ifndef BUILD_NUMBER 205 # BUILD_NUMBER should be set to the source control value that 206 # represents the current state of the source code. E.g., a 207 # perforce changelist number or a git hash. Can be an arbitrary string 208 # (to allow for source control that uses something other than numbers), 209 # but must be a single word and a valid file name. 210 # 211 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 212 # from this date/time" value. Make it start with a non-digit so that 213 # anyone trying to parse it as an integer will probably get "0". 214 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 215endif 216