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 # PLATFORM_SECURITY_PATCH 28 # PLATFORM_VNDK_VERSION 29 # PLATFORM_SYSTEMSDK_VERSIONS 30 # 31 32 # Look for an optional file containing overrides of the defaults, 33 # but don't cry if we don't find it. We could just use -include, but 34 # the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set 35 # if the file exists. 36 # 37 INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk) 38 ifdef INTERNAL_BUILD_ID_MAKEFILE 39 include $(INTERNAL_BUILD_ID_MAKEFILE) 40 endif 41 42 DEFAULT_PLATFORM_VERSION := PPR1 43 MIN_PLATFORM_VERSION := PPR1 44 MAX_PLATFORM_VERSION := PPR1 45 46 ALLOWED_VERSIONS := $(call allowed-platform-versions,\ 47 $(MIN_PLATFORM_VERSION),\ 48 $(MAX_PLATFORM_VERSION),\ 49 $(DEFAULT_PLATFORM_VERSION)) 50 51 ifndef TARGET_PLATFORM_VERSION 52 TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION) 53 endif 54 55 ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION))) 56 $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of) 57 $(error $(ALLOWED_VERSIONS)) 58 endif 59 60 # Default versions for each TARGET_PLATFORM_VERSION 61 # TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional 62 # on this 63 64 # This is the canonical definition of the platform version, 65 # which is the version that we reveal to the end user. 66 # Update this value when the platform version changes (rather 67 # than overriding it somewhere else). Can be an arbitrary string. 68 69 # When you add a new PLATFORM_VERSION which will result in a new 70 # PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast* 71 # method in the following java file: 72 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 73 74 # When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION 75 # please add that PLATFORM_VERSION as well as clean up obsolete PLATFORM_VERSION's 76 # in the following text file: 77 # cts/tests/tests/os/assets/platform_versions.txt 78 PLATFORM_VERSION.PPR1 := 9 79 80 # These are the current development codenames, if the build is not a final 81 # release build. If this is a final release build, it is simply "REL". 82 PLATFORM_VERSION_CODENAME.PPR1 := REL 83 84 ifndef PLATFORM_VERSION 85 PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION)) 86 ifndef PLATFORM_VERSION 87 # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION 88 PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION) 89 endif 90 endif 91 92 ifndef PLATFORM_SDK_VERSION 93 # This is the canonical definition of the SDK version, which defines 94 # the set of APIs and functionality available in the platform. It 95 # is a single integer that increases monotonically as updates to 96 # the SDK are released. It should only be incremented when the APIs for 97 # the new release are frozen (so that developers don't write apps against 98 # intermediate builds). During development, this number remains at the 99 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds 100 # the code-name of the new development work. 101 102 # When you change PLATFORM_SDK_VERSION please ensure you also update the 103 # corresponding methods for isAtLeast* in the following java file: 104 # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java 105 106 # When you increment the PLATFORM_SDK_VERSION please ensure you also 107 # clear out the following text file of all older PLATFORM_VERSION's: 108 # cts/tests/tests/os/assets/platform_versions.txt 109 PLATFORM_SDK_VERSION := 28 110 endif 111 112 ifndef PLATFORM_VERSION_CODENAME 113 PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION)) 114 ifndef PLATFORM_VERSION_CODENAME 115 # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION 116 PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION) 117 endif 118 119 # This is all of the *active* development codenames. There are future 120 # codenames not included in this list. This confusing name is needed because 121 # all_codenames has been baked into build.prop for ages. 122 # 123 # Should be either the same as PLATFORM_VERSION_CODENAME or a comma-separated 124 # list of additional codenames after PLATFORM_VERSION_CODENAME. 125 PLATFORM_VERSION_ALL_CODENAMES := 126 127 # Build a list of all active code names. Avoid duplicates, and stop when we 128 # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond 129 # that is not included in our build). 130 _versions_in_target := \ 131 $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION)) 132 $(foreach version,$(_versions_in_target),\ 133 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 134 $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\ 135 $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename)))) 136 137 # This is all of the inactive development codenames. Available to be targeted 138 # in this branch but in the future relative to our current target. 139 PLATFORM_VERSION_FUTURE_CODENAMES := 140 141 # Build a list of all untargeted code names. Avoid duplicates. 142 _versions_not_in_target := \ 143 $(filter-out $(PLATFORM_VERSION_ALL_CODENAMES),$(ALL_VERSIONS)) 144 $(foreach version,$(_versions_not_in_target),\ 145 $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\ 146 $(if $(filter $(_codename),$(PLATFORM_VERSION_FUTURE_CODENAMES)),,\ 147 $(eval PLATFORM_VERSION_FUTURE_CODENAMES += $(_codename)))) 148 149 # And convert from space separated to comma separated. 150 PLATFORM_VERSION_ALL_CODENAMES := \ 151 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES))) 152 PLATFORM_VERSION_FUTURE_CODENAMES := \ 153 $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_FUTURE_CODENAMES))) 154 155 endif 156 157 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 158 PLATFORM_PREVIEW_SDK_VERSION := 0 159 else 160 ifndef PLATFORM_PREVIEW_SDK_VERSION 161 # This is the definition of a preview SDK version over and above the current 162 # platform SDK version. Unlike the platform SDK version, a higher value 163 # for preview SDK version does NOT mean that all prior preview APIs are 164 # included. Packages reading this value to determine compatibility with 165 # known APIs should check that this value is precisely equal to the preview 166 # SDK version the package was built for, otherwise it should fall back to 167 # assuming the device can only support APIs as of the previous official 168 # public release. 169 # This value will always be 0 for release builds. 170 PLATFORM_PREVIEW_SDK_VERSION := 0 171 endif 172 endif 173 174 ifndef DEFAULT_APP_TARGET_SDK 175 # This is the default minSdkVersion and targetSdkVersion to use for 176 # all .apks created by the build system. It can be overridden by explicitly 177 # setting these in the .apk's AndroidManifest.xml. It is either the code 178 # name of the development build or, if this is a release build, the official 179 # SDK version of this release. 180 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 181 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION) 182 else 183 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME) 184 endif 185 endif 186 187 ifndef PLATFORM_VNDK_VERSION 188 # This is the definition of the VNDK version for the current VNDK libraries. 189 # The version is only available when PLATFORM_VERSION_CODENAME == REL. 190 # Otherwise, it will be set to a CODENAME version. The ABI is allowed to be 191 # changed only before the Android version is released. Once 192 # PLATFORM_VNDK_VERSION is set to actual version, the ABI for this version 193 # will be frozon and emit build errors if any ABI for the VNDK libs are 194 # changed. 195 # After that the snapshot of the VNDK with this version will be generated. 196 # 197 # The VNDK version follows PLATFORM_SDK_VERSION. 198 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 199 PLATFORM_VNDK_VERSION := $(PLATFORM_SDK_VERSION) 200 else 201 PLATFORM_VNDK_VERSION := $(PLATFORM_VERSION_CODENAME) 202 endif 203 endif 204 205 ifndef PLATFORM_SYSTEMSDK_MIN_VERSION 206 # This is the oldest version of system SDK that the platform supports. Contrary 207 # to the public SDK where platform essentially supports all previous SDK versions, 208 # platform supports only a few number of recent system SDK versions as some of 209 # old system APIs are gradually deprecated, removed and then deleted. 210 PLATFORM_SYSTEMSDK_MIN_VERSION := 28 211 endif 212 213 # This is the list of system SDK versions that the current platform supports. 214 PLATFORM_SYSTEMSDK_VERSIONS := 215 ifneq (,$(PLATFORM_SYSTEMSDK_MIN_VERSION)) 216 $(if $(call math_is_number,$(PLATFORM_SYSTEMSDK_MIN_VERSION)),,\ 217 $(error PLATFORM_SYSTEMSDK_MIN_VERSION must be a number, but was $(PLATFORM_SYSTEMSDK_MIN_VERSION))) 218 PLATFORM_SYSTEMSDK_VERSIONS := $(call int_range_list,$(PLATFORM_SYSTEMSDK_MIN_VERSION),$(PLATFORM_SDK_VERSION)) 219 endif 220 # Platform always supports the current version 221 ifeq (REL,$(PLATFORM_VERSION_CODENAME)) 222 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_SDK_VERSION) 223 else 224 PLATFORM_SYSTEMSDK_VERSIONS += $(PLATFORM_VERSION_CODENAME) 225 endif 226 PLATFORM_SYSTEMSDK_VERSIONS := $(strip $(sort $(PLATFORM_SYSTEMSDK_VERSIONS))) 227 228 ifndef PLATFORM_SECURITY_PATCH 229 # Used to indicate the security patch that has been applied to the device. 230 # It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin. 231 # It must be of the form "YYYY-MM-DD" on production devices. 232 # It must match one of the Android Security Patch Level strings of the Public Security Bulletins. 233 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty. 234 PLATFORM_SECURITY_PATCH := 2018-08-05 235 endif 236 237 ifndef PLATFORM_SECURITY_PATCH_TIMESTAMP 238 # Used to indicate the matching timestamp for the security patch string in PLATFORM_SECURITY_PATCH. 239 ifneq (,$(findstring Darwin,$(UNAME))) 240 PLATFORM_SECURITY_PATCH_TIMESTAMP := $(shell date -jf '%Y-%m-%d %T %Z' '$(PLATFORM_SECURITY_PATCH) 00:00:00 GMT' +%s) 241 else 242 PLATFORM_SECURITY_PATCH_TIMESTAMP := $(shell date -d 'TZ="GMT" $(PLATFORM_SECURITY_PATCH)' +%s) 243 endif 244 endif 245 .KATI_READONLY := PLATFORM_SECURITY_PATCH_TIMESTAMP 246 247 ifndef PLATFORM_BASE_OS 248 # Used to indicate the base os applied to the device. 249 # Can be an arbitrary string, but must be a single word. 250 # 251 # If there is no $PLATFORM_BASE_OS set, keep it empty. 252 PLATFORM_BASE_OS := 253 endif 254 255 ifndef BUILD_ID 256 # Used to signify special builds. E.g., branches and/or releases, 257 # like "M5-RC7". Can be an arbitrary string, but must be a single 258 # word and a valid file name. 259 # 260 # If there is no BUILD_ID set, make it obvious. 261 BUILD_ID := UNKNOWN 262 endif 263 264 ifndef BUILD_DATETIME 265 # Used to reproduce builds by setting the same time. Must be the number 266 # of seconds since the Epoch. 267 BUILD_DATETIME := $(shell date +%s) 268 endif 269 270 ifneq (,$(findstring Darwin,$(UNAME))) 271 DATE := date -r $(BUILD_DATETIME) 272 else 273 DATE := date -d @$(BUILD_DATETIME) 274 endif 275 276 # Everything should be using BUILD_DATETIME_FROM_FILE instead. 277 # BUILD_DATETIME and DATE can be removed once BUILD_NUMBER moves 278 # to soong_ui. 279 BUILD_DATETIME := 280 281 HAS_BUILD_NUMBER := true 282 ifndef BUILD_NUMBER 283 # BUILD_NUMBER should be set to the source control value that 284 # represents the current state of the source code. E.g., a 285 # perforce changelist number or a git hash. Can be an arbitrary string 286 # (to allow for source control that uses something other than numbers), 287 # but must be a single word and a valid file name. 288 # 289 # If no BUILD_NUMBER is set, create a useful "I am an engineering build 290 # from this date/time" value. Make it start with a non-digit so that 291 # anyone trying to parse it as an integer will probably get "0". 292 BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S) 293 HAS_BUILD_NUMBER := false 294 endif 295 296 ifndef PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION 297 # Used to set minimum supported target sdk version. Apps targeting sdk 298 # version lower than the set value will fail to install and run on android 299 # device. 300 PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 17 301 endif 302
