version_defaults.mk revision ee2346fa89ff530ae88451fbc404fa5a73258703
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#     BUILD_DATETIME
28#     PLATFORM_SECURITY_PATCH
29#
30
31# Look for an optional file containing overrides of the defaults,
32# but don't cry if we don't find it.  We could just use -include, but
33# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set
34# if the file exists.
35#
36INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk)
37ifdef INTERNAL_BUILD_ID_MAKEFILE
38  include $(INTERNAL_BUILD_ID_MAKEFILE)
39endif
40
41DEFAULT_PLATFORM_VERSION := OPR1
42MIN_PLATFORM_VERSION := OPR1
43MAX_PLATFORM_VERSION := OPR1
44
45ALLOWED_VERSIONS := $(call allowed-platform-versions,\
46  $(MIN_PLATFORM_VERSION),\
47  $(MAX_PLATFORM_VERSION),\
48  $(DEFAULT_PLATFORM_VERSION))
49
50ifndef TARGET_PLATFORM_VERSION
51  TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION)
52endif
53
54ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION)))
55  $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of)
56  $(error $(ALLOWED_VERSIONS))
57endif
58
59# Default versions for each TARGET_PLATFORM_VERSION
60# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional
61# on this
62
63# This is the canonical definition of the platform version,
64# which is the version that we reveal to the end user.
65# Update this value when the platform version changes (rather
66# than overriding it somewhere else).  Can be an arbitrary string.
67
68# When you add a new PLATFORM_VERSION which will result in a new
69# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast*
70# method in the following java file:
71# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
72
73# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION
74# please add that PLATFORM_VERSION to the following text file:
75# cts/tests/tests/os/assets/platform_versions.txt
76PLATFORM_VERSION.OPR1 := 8.0.0
77
78# This is the current development code-name, if the build is not a final
79# release build.  If this is a final release build, it is simply "REL".
80PLATFORM_VERSION_CODENAME.OPR1 := REL
81
82ifndef PLATFORM_VERSION
83  PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION))
84  ifndef PLATFORM_VERSION
85    # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION
86    PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION)
87  endif
88endif
89
90ifndef PLATFORM_SDK_VERSION
91  # This is the canonical definition of the SDK version, which defines
92  # the set of APIs and functionality available in the platform.  It
93  # is a single integer that increases monotonically as updates to
94  # the SDK are released.  It should only be incremented when the APIs for
95  # the new release are frozen (so that developers don't write apps against
96  # intermediate builds).  During development, this number remains at the
97  # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
98  # the code-name of the new development work.
99
100  # When you change PLATFORM_SDK_VERSION please ensure you also update the
101  # corresponding methods for isAtLeast* in the following java file:
102  # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
103
104  # When you increment the PLATFORM_SDK_VERSION please ensure you also
105  # clear out the following text file of all older PLATFORM_VERSION's:
106  # cts/tests/tests/os/assets/platform_versions.txt
107  PLATFORM_SDK_VERSION := 26
108endif
109
110ifndef PLATFORM_JACK_MIN_SDK_VERSION
111  # This is definition of the min SDK version given to Jack for the current
112  # platform. For released version it should be the same as
113  # PLATFORM_SDK_VERSION. During development, this number may be incremented
114  # before PLATFORM_SDK_VERSION if the platform starts to add new java
115  # language supports.
116  PLATFORM_JACK_MIN_SDK_VERSION := o-b1
117endif
118
119ifndef PLATFORM_VERSION_CODENAME
120  PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION))
121  ifndef PLATFORM_VERSION_CODENAME
122    # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION
123    PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION)
124  endif
125
126  # This is all of the development codenames that are active.  Should be either
127  # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional
128  # codenames after PLATFORM_VERSION_CODENAME.
129  PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
130endif
131
132ifeq (REL,$(PLATFORM_VERSION_CODENAME))
133  PLATFORM_PREVIEW_SDK_VERSION := 0
134else
135  ifndef PLATFORM_PREVIEW_SDK_VERSION
136    # This is the definition of a preview SDK version over and above the current
137    # platform SDK version. Unlike the platform SDK version, a higher value
138    # for preview SDK version does NOT mean that all prior preview APIs are
139    # included. Packages reading this value to determine compatibility with
140    # known APIs should check that this value is precisely equal to the preview
141    # SDK version the package was built for, otherwise it should fall back to
142    # assuming the device can only support APIs as of the previous official
143    # public release.
144    # This value will always be 0 for release builds.
145    PLATFORM_PREVIEW_SDK_VERSION := 0
146  endif
147endif
148
149ifndef DEFAULT_APP_TARGET_SDK
150  # This is the default minSdkVersion and targetSdkVersion to use for
151  # all .apks created by the build system.  It can be overridden by explicitly
152  # setting these in the .apk's AndroidManifest.xml.  It is either the code
153  # name of the development build or, if this is a release build, the official
154  # SDK version of this release.
155  ifeq (REL,$(PLATFORM_VERSION_CODENAME))
156    DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION)
157  else
158    DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME)
159  endif
160endif
161
162ifndef PLATFORM_SECURITY_PATCH
163    #  Used to indicate the security patch that has been applied to the device.
164    #  It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin.
165    #  It must be of the form "YYYY-MM-DD" on production devices.
166    #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
167    #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
168      PLATFORM_SECURITY_PATCH := 2018-02-01
169endif
170
171ifndef PLATFORM_BASE_OS
172  # Used to indicate the base os applied to the device.
173  # Can be an arbitrary string, but must be a single word.
174  #
175  # If there is no $PLATFORM_BASE_OS set, keep it empty.
176  PLATFORM_BASE_OS :=
177endif
178
179ifndef BUILD_ID
180  # Used to signify special builds.  E.g., branches and/or releases,
181  # like "M5-RC7".  Can be an arbitrary string, but must be a single
182  # word and a valid file name.
183  #
184  # If there is no BUILD_ID set, make it obvious.
185  BUILD_ID := UNKNOWN
186endif
187
188ifndef BUILD_DATETIME
189  # Used to reproduce builds by setting the same time. Must be the number
190  # of seconds since the Epoch.
191  BUILD_DATETIME := $(shell date +%s)
192endif
193
194ifneq (,$(findstring Darwin,$(shell uname -sm)))
195DATE := date -r $(BUILD_DATETIME)
196else
197DATE := date -d @$(BUILD_DATETIME)
198endif
199
200ifndef BUILD_NUMBER
201  # BUILD_NUMBER should be set to the source control value that
202  # represents the current state of the source code.  E.g., a
203  # perforce changelist number or a git hash.  Can be an arbitrary string
204  # (to allow for source control that uses something other than numbers),
205  # but must be a single word and a valid file name.
206  #
207  # If no BUILD_NUMBER is set, create a useful "I am an engineering build
208  # from this date/time" value.  Make it start with a non-digit so that
209  # anyone trying to parse it as an integer will probably get "0".
210  BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S)
211endif
212