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 19ALLOWED_VERSIONS := $(call allowed-platform-versions,\ 20 $(MIN_PLATFORM_VERSION),\ 21 $(MAX_PLATFORM_VERSION),\ 22 $(DEFAULT_PLATFORM_VERSION)) 23 24ifndef TARGET_PLATFORM_VERSION 25 TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION) 26endif 27 28ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION))) 29 $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 30 $(error $(ALLOWED_VERSIONS)) 31endif 32ALLOWED_VERSIONS := 33MIN_PLATFORM_VERSION := 34MAX_PLATFORM_VERSION := 35 36.KATI_READONLY := TARGET_PLATFORM_VERSION 37 38# Default versions for each TARGET_PLATFORM_VERSION 39# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 40# on this 41 42# This is the canonical definition of the platform version, 43# which is the version that we reveal to the end user. 44# Update this value when the platform version changes (rather 45# than overriding it somewhere else). Can be an arbitrary string. 46 47# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 48# please add that PLATFORM_VERSION as well as clean up obsolete PLATFORM_VERSION's 49# in the following text file: 50# cts/tests/tests/os/assets/platform_versions.txt 51 52# Note that there should be one PLATFORM_VERSION and PLATFORM_VERSION_CODENAME 53# entry for each unreleased API level, regardless of 54# MIN_PLATFORM_VERSION/MAX_PLATFORM_VERSION. PLATFORM_VERSION is used to 55# generate the range of allowed SDK versions, so it must have an entry for every 56# unreleased API level targetable by this branch, not just those that are valid 57# lunch targets for this branch. 58 59ifndef PLATFORM_VERSION_CODENAME 60 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 61 ifndef PLATFORM_VERSION_CODENAME 62 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 63 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 64 endif 65 66 # This is all of the *active* development codenames. 67 # This confusing name is needed because 68 # all_codenames has been baked into build.prop for ages. 69 # 70 # Should be either the same as PLATFORM_VERSION_CODENAME or a comma-separated 71 # list of additional codenames after PLATFORM_VERSION_CODENAME. 72 PLATFORM_VERSION_ALL_CODENAMES := 73 74 # Build a list of all active code names. Avoid duplicates, and stop when we 75 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 76 # that is not included in our build). 77 _versions_in_target := \ 78 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 79 $(foreach version,$(_versions_in_target),\ 80 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 81 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 82 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 83 84 # And convert from space separated to comma separated. 85 PLATFORM_VERSION_ALL_CODENAMES := \ 86 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 87 88endif 89.KATI_READONLY := \ 90 PLATFORM_VERSION_CODENAME \ 91 PLATFORM_VERSION_ALL_CODENAMES 92 93ifneq (REL,$(PLATFORM_VERSION_CODENAME)) 94 codenames := \ 95 $(subst $(comma),$(space),$(strip $(PLATFORM_VERSION_KNOWN_CODENAMES))) 96 ifeq ($(filter $(PLATFORM_VERSION_CODENAME),$(codenames)),) 97 $(error '$(PLATFORM_VERSION_CODENAME)' is not in '$(codenames)'. \ 98 Add PLATFORM_VERSION_CODENAME to PLATFORM_VERSION_KNOWN_CODENAMES) 99 endif 100endif 101 102ifndef PLATFORM_VERSION 103 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 104 PLATFORM_VERSION := $(PLATFORM_VERSION_LAST_STABLE) 105 else 106 PLATFORM_VERSION := $(PLATFORM_VERSION_CODENAME) 107 endif 108endif 109.KATI_READONLY := PLATFORM_VERSION 110 111ifndef PLATFORM_DISPLAY_VERSION 112 PLATFORM_DISPLAY_VERSION := $(PLATFORM_VERSION) 113endif 114.KATI_READONLY := PLATFORM_DISPLAY_VERSION 115 116ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 117 PLATFORM_PREVIEW_SDK_VERSION := 0 118else 119 ifndef PLATFORM_PREVIEW_SDK_VERSION 120 # This is the definition of a preview SDK version over and above the current 121 # platform SDK version. Unlike the platform SDK version, a higher value 122 # for preview SDK version does NOT mean that all prior preview APIs are 123 # included. Packages reading this value to determine compatibility with 124 # known APIs should check that this value is precisely equal to the preview 125 # SDK version the package was built for, otherwise it should fall back to 126 # assuming the device can only support APIs as of the previous official 127 # public release. 128 # This value will always be forced to 0 for release builds by the logic 129 # in the "ifeq" block above, so the value below will be used on any 130 # non-release builds, and it should always be at least 1, to indicate that 131 # APIs may have changed since the claimed PLATFORM_SDK_VERSION. 132 PLATFORM_PREVIEW_SDK_VERSION := 1 133 endif 134endif 135.KATI_READONLY := PLATFORM_PREVIEW_SDK_VERSION 136 137ifndef DEFAULT_APP_TARGET_SDK 138 # This is the default minSdkVersion and targetSdkVersion to use for 139 # all .apks created by the build system. It can be overridden by explicitly 140 # setting these in the .apk's AndroidManifest.xml. It is either the code 141 # name of the development build or, if this is a release build, the official 142 # SDK version of this release. 143 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 144 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 145 else 146 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 147 endif 148endif 149.KATI_READONLY := DEFAULT_APP_TARGET_SDK 150 151ifndef PLATFORM_VNDK_VERSION 152 # This is the definition of the VNDK version for the current VNDK libraries. 153 # The version is only available when PLATFORM_VERSION_CODENAME == REL. 154 # Otherwise, it will be set to a CODENAME version. The ABI is allowed to be 155 # changed only before the Android version is released. Once 156 # PLATFORM_VNDK_VERSION is set to actual version, the ABI for this version 157 # will be frozon and emit build errors if any ABI for the VNDK libs are 158 # changed. 159 # After that the snapshot of the VNDK with this version will be generated. 160 # 161 # The VNDK version follows PLATFORM_SDK_VERSION. 162 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 163 PLATFORM_VNDK_VERSION := $(PLATFORM_SDK_VERSION) 164 else 165 PLATFORM_VNDK_VERSION := $(PLATFORM_VERSION_CODENAME) 166 endif 167endif 168.KATI_READONLY := PLATFORM_VNDK_VERSION 169 170ifndef PLATFORM_SYSTEMSDK_MIN_VERSION 171 # This is the oldest version of system SDK that the platform supports. Contrary 172 # to the public SDK where platform essentially supports all previous SDK versions, 173 # platform supports only a few number of recent system SDK versions as some of 174 # old system APIs are gradually deprecated, removed and then deleted. 175 PLATFORM_SYSTEMSDK_MIN_VERSION := 28 176endif 177.KATI_READONLY := PLATFORM_SYSTEMSDK_MIN_VERSION 178 179# This is the list of system SDK versions that the current platform supports. 180PLATFORM_SYSTEMSDK_VERSIONS := 181ifneq (,$(PLATFORM_SYSTEMSDK_MIN_VERSION)) 182 $(if $(call math_is_number,$(PLATFORM_SYSTEMSDK_MIN_VERSION)),,\ 183 $(error PLATFORM_SYSTEMSDK_MIN_VERSION must be a number, but was $(PLATFORM_SYSTEMSDK_MIN_VERSION))) 184 PLATFORM_SYSTEMSDK_VERSIONS := $(call int_range_list,$(PLATFORM_SYSTEMSDK_MIN_VERSION),$(PLATFORM_SDK_VERSION)) 185endif 186# Platform always supports the current version 187ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 188 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_SDK_VERSION) 189else 190 PLATFORM_SYSTEMSDK_VERSIONS += $(subst $(comma),$(space),$(PLATFORM_VERSION_ALL_CODENAMES)) 191endif 192PLATFORM_SYSTEMSDK_VERSIONS := $(strip $(sort $(PLATFORM_SYSTEMSDK_VERSIONS))) 193.KATI_READONLY := PLATFORM_SYSTEMSDK_VERSIONS 194 195.KATI_READONLY := PLATFORM_SECURITY_PATCH 196 197ifndef PLATFORM_SECURITY_PATCH_TIMESTAMP 198 # Used to indicate the matching timestamp for the security patch string in PLATFORM_SECURITY_PATCH. 199 PLATFORM_SECURITY_PATCH_TIMESTAMP := $(shell date -d 'TZ="GMT" $(PLATFORM_SECURITY_PATCH)' +%s) 200endif 201.KATI_READONLY := PLATFORM_SECURITY_PATCH_TIMESTAMP 202 203ifndef PLATFORM_BASE_OS 204 # Used to indicate the base os applied to the device. 205 # Can be an arbitrary string, but must be a single word. 206 # 207 # If there is no $PLATFORM_BASE_OS set, keep it empty. 208 PLATFORM_BASE_OS := 209endif 210.KATI_READONLY := PLATFORM_BASE_OS 211 212ifndef BUILD_ID 213 # Used to signify special builds. E.g., branches and/or releases, 214 # like "M5-RC7". Can be an arbitrary string, but must be a single 215 # word and a valid file name. 216 # 217 # If there is no BUILD_ID set, make it obvious. 218 BUILD_ID := UNKNOWN 219endif 220.KATI_READONLY := BUILD_ID 221 222ifndef BUILD_DATETIME 223 # Used to reproduce builds by setting the same time. Must be the number 224 # of seconds since the Epoch. 225 BUILD_DATETIME := $(shell date +%s) 226endif 227 228DATE := date -d @$(BUILD_DATETIME) 229.KATI_READONLY := DATE 230 231# Everything should be using BUILD_DATETIME_FROM_FILE instead. 232# BUILD_DATETIME and DATE can be removed once BUILD_NUMBER moves 233# to soong_ui. 234$(KATI_obsolete_var BUILD_DATETIME,Use BUILD_DATETIME_FROM_FILE) 235 236HAS_BUILD_NUMBER := true 237ifndef BUILD_NUMBER 238 # BUILD_NUMBER should be set to the source control value that 239 # represents the current state of the source code. E.g., a 240 # perforce changelist number or a git hash. Can be an arbitrary string 241 # (to allow for source control that uses something other than numbers), 242 # but must be a single word and a valid file name. 243 # 244 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 245 # from this date/time" value. Make it start with a non-digit so that 246 # anyone trying to parse it as an integer will probably get "0". 247 BUILD_NUMBER := eng.$(shell echo $${BUILD_USERNAME:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 248 HAS_BUILD_NUMBER := false 249endif 250.KATI_READONLY := BUILD_NUMBER HAS_BUILD_NUMBER 251 252ifndef PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION 253 # Used to set minimum supported target sdk version. Apps targeting sdk 254 # version lower than the set value will result in a warning being shown 255 # when any activity from the app is started. 256 PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 23 257endif 258.KATI_READONLY := PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION 259