platform_build/core/version_defaults.mk

199 lines
7.4 KiB
Makefile

#
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# Handle various build version information.
#
# Guarantees that the following are defined:
# PLATFORM_VERSION
# PLATFORM_SDK_VERSION
# PLATFORM_VERSION_CODENAME
# DEFAULT_APP_TARGET_SDK
# BUILD_ID
# BUILD_NUMBER
# BUILD_DATETIME
# PLATFORM_SECURITY_PATCH
#
# Look for an optional file containing overrides of the defaults,
# but don't cry if we don't find it. We could just use -include, but
# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set
# if the file exists.
#
INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk)
ifdef INTERNAL_BUILD_ID_MAKEFILE
include $(INTERNAL_BUILD_ID_MAKEFILE)
endif
# Returns all words in $1 up to and including $2
define find_and_earlier
$(strip $(if $(1),
$(firstword $(1))
$(if $(filter $(firstword $(1)),$(2)),,
$(call find_and_earlier,$(wordlist 2,$(words $(1)),$(1)),$(2)))))
endef
#$(warning $(call find_and_earlier,A B C,A))
#$(warning $(call find_and_earlier,A B C,B))
#$(warning $(call find_and_earlier,A B C,C))
#$(warning $(call find_and_earlier,A B C,D))
define version-list
$(1) $(1)DR1 $(1)DR2 $(1)MR1 $(1)MR2
endef
ALL_VERSIONS := O P
ALL_VERSIONS := $(foreach v,$(ALL_VERSIONS),$(call version-list,$(v)))
ifeq (,$(TARGET_PLATFORM_VERSION))
# Default targeted platform version
# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional
# on this
TARGET_PLATFORM_VERSION := O
endif
ifeq (,$(filter $(ALL_VERSIONS), $(TARGET_PLATFORM_VERSION)))
$(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of)
$(warning $(ALL_VERSIONS))
$(error Stopping...)
endif
ENABLED_VERSIONS := $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION))
$(foreach v,$(ENABLED_VERSIONS), \
$(eval IS_AT_LEAST_$(v) := true))
ifndef PLATFORM_VERSION
# This is the canonical definition of the platform version,
# which is the version that we reveal to the end user.
# Update this value when the platform version changes (rather
# than overriding it somewhere else). Can be an arbitrary string.
PLATFORM_VERSION := 7.1.1
endif
ifndef PLATFORM_SDK_VERSION
# This is the canonical definition of the SDK version, which defines
# the set of APIs and functionality available in the platform. It
# is a single integer that increases monotonically as updates to
# the SDK are released. It should only be incremented when the APIs for
# the new release are frozen (so that developers don't write apps against
# intermediate builds). During development, this number remains at the
# SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
# the code-name of the new development work.
PLATFORM_SDK_VERSION := 25
endif
ifndef PLATFORM_JACK_MIN_SDK_VERSION
# This is definition of the min SDK version given to Jack for the current
# platform. For released version it should be the same as
# PLATFORM_SDK_VERSION. During development, this number may be incremented
# before PLATFORM_SDK_VERSION if the plateform starts to add new java
# language supports.
PLATFORM_JACK_MIN_SDK_VERSION := o-b1
endif
ifndef PLATFORM_VERSION_CODENAME
# This is the current development code-name, if the build is not a final
# release build. If this is a final release build, it is simply "REL".
PLATFORM_VERSION_CODENAME := REL
# This is all of the development codenames that are active. Should be either
# the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional
# codenames after PLATFORM_VERSION_CODENAME.
PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
endif
ifeq (REL,$(PLATFORM_VERSION_CODENAME))
PLATFORM_PREVIEW_SDK_VERSION := 0
else
ifndef PLATFORM_PREVIEW_SDK_VERSION
# This is the definition of a preview SDK version over and above the current
# platform SDK version. Unlike the platform SDK version, a higher value
# for preview SDK version does NOT mean that all prior preview APIs are
# included. Packages reading this value to determine compatibility with
# known APIs should check that this value is precisely equal to the preview
# SDK version the package was built for, otherwise it should fall back to
# assuming the device can only support APIs as of the previous official
# public release.
# This value will always be 0 for release builds.
PLATFORM_PREVIEW_SDK_VERSION := 0
endif
endif
ifndef DEFAULT_APP_TARGET_SDK
# This is the default minSdkVersion and targetSdkVersion to use for
# all .apks created by the build system. It can be overridden by explicitly
# setting these in the .apk's AndroidManifest.xml. It is either the code
# name of the development build or, if this is a release build, the official
# SDK version of this release.
ifeq (REL,$(PLATFORM_VERSION_CODENAME))
DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION)
else
DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME)
endif
endif
ifndef PLATFORM_SECURITY_PATCH
# Used to indicate the security patch that has been applied to the device.
# It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin.
# It must be of the form "YYYY-MM-DD" on production devices.
# It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
# If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
PLATFORM_SECURITY_PATCH := 2016-11-05
endif
ifndef PLATFORM_BASE_OS
# Used to indicate the base os applied to the device.
# Can be an arbitrary string, but must be a single word.
#
# If there is no $PLATFORM_BASE_OS set, keep it empty.
PLATFORM_BASE_OS :=
endif
ifndef BUILD_ID
# Used to signify special builds. E.g., branches and/or releases,
# like "M5-RC7". Can be an arbitrary string, but must be a single
# word and a valid file name.
#
# If there is no BUILD_ID set, make it obvious.
BUILD_ID := UNKNOWN
endif
ifndef BUILD_DATETIME
# Used to reproduce builds by setting the same time. Must be the number
# of seconds since the Epoch.
BUILD_DATETIME := $(shell date +%s)
endif
ifneq (,$(findstring Darwin,$(shell uname -sm)))
DATE := date -r $(BUILD_DATETIME)
else
DATE := date -d @$(BUILD_DATETIME)
endif
ifndef BUILD_NUMBER
# BUILD_NUMBER should be set to the source control value that
# represents the current state of the source code. E.g., a
# perforce changelist number or a git hash. Can be an arbitrary string
# (to allow for source control that uses something other than numbers),
# but must be a single word and a valid file name.
#
# If no BUILD_NUMBER is set, create a useful "I am an engineering build
# from this date/time" value. Make it start with a non-digit so that
# anyone trying to parse it as an integer will probably get "0".
BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S)
endif