229 lines
8.7 KiB
Makefile
229 lines
8.7 KiB
Makefile
#
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# Copyright (C) 2008 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#
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# Handle various build version information.
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#
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# Guarantees that the following are defined:
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# PLATFORM_VERSION
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# PLATFORM_SDK_VERSION
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# PLATFORM_VERSION_CODENAME
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# DEFAULT_APP_TARGET_SDK
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# BUILD_ID
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# BUILD_NUMBER
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# BUILD_DATETIME
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# PLATFORM_SECURITY_PATCH
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#
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# Look for an optional file containing overrides of the defaults,
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# but don't cry if we don't find it. We could just use -include, but
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# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set
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# if the file exists.
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#
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INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk)
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ifdef INTERNAL_BUILD_ID_MAKEFILE
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include $(INTERNAL_BUILD_ID_MAKEFILE)
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endif
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# Returns all words in $1 up to and including $2
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define find_and_earlier
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$(strip $(if $(1),
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$(firstword $(1))
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$(if $(filter $(firstword $(1)),$(2)),,
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$(call find_and_earlier,$(wordlist 2,$(words $(1)),$(1)),$(2)))))
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endef
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#$(warning $(call find_and_earlier,A B C,A))
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#$(warning $(call find_and_earlier,A B C,B))
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#$(warning $(call find_and_earlier,A B C,C))
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#$(warning $(call find_and_earlier,A B C,D))
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define version-list
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$(1) $(1)DR1 $(1)DR2 $(1)MR1 $(1)MR2
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endef
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ALL_VERSIONS := O P
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ALL_VERSIONS := $(foreach v,$(ALL_VERSIONS),$(call version-list,$(v)))
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ifeq (,$(TARGET_PLATFORM_VERSION))
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# Default targeted platform version
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# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional
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# on this
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TARGET_PLATFORM_VERSION := O
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endif
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ifeq (,$(filter $(ALL_VERSIONS), $(TARGET_PLATFORM_VERSION)))
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$(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of)
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$(warning $(ALL_VERSIONS))
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$(error Stopping...)
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endif
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ENABLED_VERSIONS := $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION))
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$(foreach v,$(ENABLED_VERSIONS), \
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$(eval IS_AT_LEAST_$(v) := true))
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# Default versions for each TARGET_PLATFORM_VERSION
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# This is the canonical definition of the platform version,
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# which is the version that we reveal to the end user.
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# Update this value when the platform version changes (rather
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# than overriding it somewhere else). Can be an arbitrary string.
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# When you add a new PLATFORM_VERSION which will result in a new
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# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast*
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# method in the following java file:
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# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
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# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION
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# please add that PLATFORM_VERSION to the following text file:
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# cts/tests/tests/os/assets/platform_versions.txt
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PLATFORM_VERSION.O := O
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# This is the current development code-name, if the build is not a final
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# release build. If this is a final release build, it is simply "REL".
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PLATFORM_VERSION_CODENAME.O := O
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ifndef PLATFORM_VERSION
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PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION))
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ifndef PLATFORM_VERSION
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# PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION
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PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION)
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endif
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endif
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ifndef PLATFORM_SDK_VERSION
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# This is the canonical definition of the SDK version, which defines
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# the set of APIs and functionality available in the platform. It
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# is a single integer that increases monotonically as updates to
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# the SDK are released. It should only be incremented when the APIs for
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# the new release are frozen (so that developers don't write apps against
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# intermediate builds). During development, this number remains at the
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# SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
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# the code-name of the new development work.
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# When you change PLATFORM_SDK_VERSION please ensure you also update the
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# corresponding methods for isAtLeast* in the following java file:
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# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
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# When you increment the PLATFORM_SDK_VERSION please ensure you also
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# clear out the following text file of all older PLATFORM_VERSION's:
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# cts/tests/tests/os/assets/platform_versions.txt
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PLATFORM_SDK_VERSION := 25
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endif
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ifndef PLATFORM_JACK_MIN_SDK_VERSION
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# This is definition of the min SDK version given to Jack for the current
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# platform. For released version it should be the same as
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# PLATFORM_SDK_VERSION. During development, this number may be incremented
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# before PLATFORM_SDK_VERSION if the plateform starts to add new java
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# language supports.
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PLATFORM_JACK_MIN_SDK_VERSION := o-b1
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endif
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ifndef PLATFORM_VERSION_CODENAME
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PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION))
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ifndef PLATFORM_VERSION_CODENAME
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# PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION
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PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION)
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endif
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# This is all of the development codenames that are active. Should be either
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# the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional
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# codenames after PLATFORM_VERSION_CODENAME.
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PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
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endif
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ifeq (REL,$(PLATFORM_VERSION_CODENAME))
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PLATFORM_PREVIEW_SDK_VERSION := 0
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else
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ifndef PLATFORM_PREVIEW_SDK_VERSION
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# This is the definition of a preview SDK version over and above the current
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# platform SDK version. Unlike the platform SDK version, a higher value
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# for preview SDK version does NOT mean that all prior preview APIs are
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# included. Packages reading this value to determine compatibility with
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# known APIs should check that this value is precisely equal to the preview
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# SDK version the package was built for, otherwise it should fall back to
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# assuming the device can only support APIs as of the previous official
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# public release.
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# This value will always be 0 for release builds.
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PLATFORM_PREVIEW_SDK_VERSION := 1
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endif
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endif
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ifndef DEFAULT_APP_TARGET_SDK
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# This is the default minSdkVersion and targetSdkVersion to use for
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# all .apks created by the build system. It can be overridden by explicitly
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# setting these in the .apk's AndroidManifest.xml. It is either the code
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# name of the development build or, if this is a release build, the official
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# SDK version of this release.
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ifeq (REL,$(PLATFORM_VERSION_CODENAME))
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DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION)
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else
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DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME)
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endif
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endif
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ifndef PLATFORM_SECURITY_PATCH
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# Used to indicate the security patch that has been applied to the device.
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# It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin.
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# It must be of the form "YYYY-MM-DD" on production devices.
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# It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
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# If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
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PLATFORM_SECURITY_PATCH := 2017-05-01
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endif
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ifndef PLATFORM_BASE_OS
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# Used to indicate the base os applied to the device.
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# Can be an arbitrary string, but must be a single word.
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#
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# If there is no $PLATFORM_BASE_OS set, keep it empty.
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PLATFORM_BASE_OS :=
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endif
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ifndef BUILD_ID
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# Used to signify special builds. E.g., branches and/or releases,
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# like "M5-RC7". Can be an arbitrary string, but must be a single
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# word and a valid file name.
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#
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# If there is no BUILD_ID set, make it obvious.
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BUILD_ID := UNKNOWN
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endif
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ifndef BUILD_DATETIME
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# Used to reproduce builds by setting the same time. Must be the number
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# of seconds since the Epoch.
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BUILD_DATETIME := $(shell date +%s)
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endif
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ifneq (,$(findstring Darwin,$(shell uname -sm)))
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DATE := date -r $(BUILD_DATETIME)
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else
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DATE := date -d @$(BUILD_DATETIME)
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endif
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ifndef BUILD_NUMBER
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# BUILD_NUMBER should be set to the source control value that
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# represents the current state of the source code. E.g., a
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# perforce changelist number or a git hash. Can be an arbitrary string
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# (to allow for source control that uses something other than numbers),
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# but must be a single word and a valid file name.
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#
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# If no BUILD_NUMBER is set, create a useful "I am an engineering build
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# from this date/time" value. Make it start with a non-digit so that
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# anyone trying to parse it as an integer will probably get "0".
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BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S)
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endif
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