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The Android Open Source Project88b60792009-03-03 19:28:42 -08001#
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
Dianne Hackborn9bd54042009-05-15 18:01:20 -070023# PLATFORM_VERSION_CODENAME
24# DEFAULT_APP_TARGET_SDK
The Android Open Source Project88b60792009-03-03 19:28:42 -080025# BUILD_ID
26# BUILD_NUMBER
27#
28
29# Look for an optional file containing overrides of the defaults,
30# but don't cry if we don't find it. We could just use -include, but
31# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set
32# if the file exists.
33#
34INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk)
35ifneq "" "$(INTERNAL_BUILD_ID_MAKEFILE)"
36 include $(INTERNAL_BUILD_ID_MAKEFILE)
37endif
38
39ifeq "" "$(PLATFORM_VERSION)"
40 # This is the canonical definition of the platform version,
41 # which is the version that we reveal to the end user.
42 # Update this value when the platform version changes (rather
43 # than overriding it somewhere else). Can be an arbitrary string.
The Android Open Source Project2fc439c2015-02-20 11:04:55 -080044 PLATFORM_VERSION := 5.1.51
The Android Open Source Project88b60792009-03-03 19:28:42 -080045endif
46
47ifeq "" "$(PLATFORM_SDK_VERSION)"
48 # This is the canonical definition of the SDK version, which defines
Dianne Hackborn95378842009-05-08 12:06:17 -070049 # the set of APIs and functionality available in the platform. It
50 # is a single integer that increases monotonically as updates to
51 # the SDK are released. It should only be incremented when the APIs for
52 # the new release are frozen (so that developers don't write apps against
53 # intermediate builds). During development, this number remains at the
54 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
55 # the code-name of the new development work.
Dianne Hackborn4a6a7522014-10-17 10:05:33 -070056 PLATFORM_SDK_VERSION := 22
The Android Open Source Project88b60792009-03-03 19:28:42 -080057endif
58
Dianne Hackborn95378842009-05-08 12:06:17 -070059ifeq "" "$(PLATFORM_VERSION_CODENAME)"
60 # This is the current development code-name, if the build is not a final
61 # release build. If this is a final release build, it is simply "REL".
Dianne Hackborn105df2f2014-09-22 15:55:23 -070062 PLATFORM_VERSION_CODENAME := REL
Dianne Hackborn6ee3c432014-04-24 16:19:14 -070063
64 # This is all of the development codenames that are active. Should be either
65 # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional
66 # codenames after PLATFORM_VERSION_CODENAME.
Dianne Hackborn997b8962014-06-11 14:24:32 -070067 PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
Dianne Hackborn95378842009-05-08 12:06:17 -070068endif
69
Dianne Hackborn9bd54042009-05-15 18:01:20 -070070ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
71 # This is the default minSdkVersion and targetSdkVersion to use for
72 # all .apks created by the build system. It can be overridden by explicitly
73 # setting these in the .apk's AndroidManifest.xml. It is either the code
74 # name of the development build or, if this is a release build, the official
75 # SDK version of this release.
76 ifeq "REL" "$(PLATFORM_VERSION_CODENAME)"
77 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION)
78 else
79 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME)
80 endif
81endif
82
The Android Open Source Project88b60792009-03-03 19:28:42 -080083ifeq "" "$(BUILD_ID)"
84 # Used to signify special builds. E.g., branches and/or releases,
85 # like "M5-RC7". Can be an arbitrary string, but must be a single
86 # word and a valid file name.
87 #
88 # If there is no BUILD_ID set, make it obvious.
89 BUILD_ID := UNKNOWN
90endif
91
92ifeq "" "$(BUILD_NUMBER)"
93 # BUILD_NUMBER should be set to the source control value that
94 # represents the current state of the source code. E.g., a
95 # perforce changelist number or a git hash. Can be an arbitrary string
96 # (to allow for source control that uses something other than numbers),
97 # but must be a single word and a valid file name.
98 #
99 # If no BUILD_NUMBER is set, create a useful "I am an engineering build
100 # from this date/time" value. Make it start with a non-digit so that
101 # anyone trying to parse it as an integer will probably get "0".
102 BUILD_NUMBER := eng.$(USER).$(shell date +%Y%m%d.%H%M%S)
103endif