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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
Zach Jang4c710cb2015-09-11 17:27:09 -070027# SECURITY_PATCH
The Android Open Source Project88b60792009-03-03 19:28:42 -080028#
29
30# Look for an optional file containing overrides of the defaults,
31# but don't cry if we don't find it. We could just use -include, but
32# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set
33# if the file exists.
34#
35INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk)
36ifneq "" "$(INTERNAL_BUILD_ID_MAKEFILE)"
37 include $(INTERNAL_BUILD_ID_MAKEFILE)
38endif
39
40ifeq "" "$(PLATFORM_VERSION)"
41 # This is the canonical definition of the platform version,
42 # which is the version that we reveal to the end user.
43 # Update this value when the platform version changes (rather
44 # than overriding it somewhere else). Can be an arbitrary string.
Bart Sears3b118a52014-06-06 13:34:42 -070045 PLATFORM_VERSION := 4.4.4
The Android Open Source Project88b60792009-03-03 19:28:42 -080046endif
47
48ifeq "" "$(PLATFORM_SDK_VERSION)"
49 # This is the canonical definition of the SDK version, which defines
Dianne Hackborn95378842009-05-08 12:06:17 -070050 # the set of APIs and functionality available in the platform. It
51 # is a single integer that increases monotonically as updates to
52 # the SDK are released. It should only be incremented when the APIs for
53 # the new release are frozen (so that developers don't write apps against
54 # intermediate builds). During development, this number remains at the
55 # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
56 # the code-name of the new development work.
Dianne Hackborn6a4d3332013-10-03 11:41:08 -070057 PLATFORM_SDK_VERSION := 19
The Android Open Source Project88b60792009-03-03 19:28:42 -080058endif
59
Dianne Hackborn95378842009-05-08 12:06:17 -070060ifeq "" "$(PLATFORM_VERSION_CODENAME)"
61 # This is the current development code-name, if the build is not a final
62 # release build. If this is a final release build, it is simply "REL".
Dianne Hackborn6a4d3332013-10-03 11:41:08 -070063 PLATFORM_VERSION_CODENAME := REL
Dianne Hackborn95378842009-05-08 12:06:17 -070064endif
65
Zach Jang4c710cb2015-09-11 17:27:09 -070066ifeq "" "$(PLATFORM_SECURITY_PATCH)"
67 # Used to indicate the security patch that has been applied to the device.
68 # Can be an arbitrary string, but must be a single word.
69 #
70 # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
Zach Jang5b14c1f2016-06-20 14:30:52 -070071 PLATFORM_SECURITY_PATCH := 2016-08-05
Zach Jang4c710cb2015-09-11 17:27:09 -070072endif
73
74ifeq "" "$(PLATFORM_BASE_OS)"
75 # Used to indicate the base os applied to the device.
76 # Can be an arbitrary string, but must be a single word.
77 #
78 # If there is no $PLATFORM_BASE_OS set, keep it empty.
79 PLATFORM_BASE_OS :=
80endif
81
Dianne Hackborn9bd54042009-05-15 18:01:20 -070082ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
83 # This is the default minSdkVersion and targetSdkVersion to use for
84 # all .apks created by the build system. It can be overridden by explicitly
85 # setting these in the .apk's AndroidManifest.xml. It is either the code
86 # name of the development build or, if this is a release build, the official
87 # SDK version of this release.
88 ifeq "REL" "$(PLATFORM_VERSION_CODENAME)"
89 DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION)
90 else
91 DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME)
92 endif
93endif
94
The Android Open Source Project88b60792009-03-03 19:28:42 -080095ifeq "" "$(BUILD_ID)"
96 # Used to signify special builds. E.g., branches and/or releases,
97 # like "M5-RC7". Can be an arbitrary string, but must be a single
98 # word and a valid file name.
99 #
100 # If there is no BUILD_ID set, make it obvious.
101 BUILD_ID := UNKNOWN
102endif
103
104ifeq "" "$(BUILD_NUMBER)"
105 # BUILD_NUMBER should be set to the source control value that
106 # represents the current state of the source code. E.g., a
107 # perforce changelist number or a git hash. Can be an arbitrary string
108 # (to allow for source control that uses something other than numbers),
109 # but must be a single word and a valid file name.
110 #
111 # If no BUILD_NUMBER is set, create a useful "I am an engineering build
112 # from this date/time" value. Make it start with a non-digit so that
113 # anyone trying to parse it as an integer will probably get "0".
114 BUILD_NUMBER := eng.$(USER).$(shell date +%Y%m%d.%H%M%S)
115endif