version_defaults.mk revision 373d682c69a2cccfb75a0ccdeb6bc37292110844
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 := PPR1
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 := $(DEFAULT_PLATFORM_VERSION)
52else ifeq ($(TARGET_PLATFORM_VERSION),OPR1)
53  # HACK: lunch currently sets TARGET_PLATFORM_VERSION to
54  # DEFAULT_PLATFORM_VERSION, which causes unnecessary pain
55  # when the old DEFAULT_PLATFORM_VERSION becomes invalid.
56  # For now, silently upgrade OPR1 to the current default.
57  TARGET_PLATFORM_VERSION := $(DEFAULT_PLATFORM_VERSION)
58endif
59
60ifeq (,$(filter $(ALLOWED_VERSIONS), $(TARGET_PLATFORM_VERSION)))
61  $(warning Invalid TARGET_PLATFORM_VERSION '$(TARGET_PLATFORM_VERSION)', must be one of)
62  $(error $(ALLOWED_VERSIONS))
63endif
64
65# Default versions for each TARGET_PLATFORM_VERSION
66# TODO: PLATFORM_VERSION, PLATFORM_SDK_VERSION, etc. should be conditional
67# on this
68
69# This is the canonical definition of the platform version,
70# which is the version that we reveal to the end user.
71# Update this value when the platform version changes (rather
72# than overriding it somewhere else).  Can be an arbitrary string.
73
74# When you add a new PLATFORM_VERSION which will result in a new
75# PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast*
76# method in the following java file:
77# frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
78
79# When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION
80# please add that PLATFORM_VERSION to the following text file:
81# cts/tests/tests/os/assets/platform_versions.txt
82PLATFORM_VERSION.OPR1 := 8.0.0
83PLATFORM_VERSION.PPR1 := P
84
85# This is the current development code-name, if the build is not a final
86# release build.  If this is a final release build, it is simply "REL".
87PLATFORM_VERSION_CODENAME.OPR1 := REL
88PLATFORM_VERSION_CODENAME.PPR1 := P
89
90ifndef PLATFORM_VERSION
91  PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION))
92  ifndef PLATFORM_VERSION
93    # PLATFORM_VERSION falls back to TARGET_PLATFORM_VERSION
94    PLATFORM_VERSION := $(TARGET_PLATFORM_VERSION)
95  endif
96endif
97
98ifndef PLATFORM_SDK_VERSION
99  # This is the canonical definition of the SDK version, which defines
100  # the set of APIs and functionality available in the platform.  It
101  # is a single integer that increases monotonically as updates to
102  # the SDK are released.  It should only be incremented when the APIs for
103  # the new release are frozen (so that developers don't write apps against
104  # intermediate builds).  During development, this number remains at the
105  # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
106  # the code-name of the new development work.
107
108  # When you change PLATFORM_SDK_VERSION please ensure you also update the
109  # corresponding methods for isAtLeast* in the following java file:
110  # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java
111
112  # When you increment the PLATFORM_SDK_VERSION please ensure you also
113  # clear out the following text file of all older PLATFORM_VERSION's:
114  # cts/tests/tests/os/assets/platform_versions.txt
115  PLATFORM_SDK_VERSION := 26
116endif
117
118ifndef PLATFORM_JACK_MIN_SDK_VERSION
119  # This is definition of the min SDK version given to Jack for the current
120  # platform. For released version it should be the same as
121  # PLATFORM_SDK_VERSION. During development, this number may be incremented
122  # before PLATFORM_SDK_VERSION if the platform starts to add new java
123  # language supports.
124  PLATFORM_JACK_MIN_SDK_VERSION := o-b1
125endif
126
127ifndef PLATFORM_VERSION_CODENAME
128  PLATFORM_VERSION_CODENAME := $(PLATFORM_VERSION_CODENAME.$(TARGET_PLATFORM_VERSION))
129  ifndef PLATFORM_VERSION_CODENAME
130    # PLATFORM_VERSION_CODENAME falls back to TARGET_PLATFORM_VERSION
131    PLATFORM_VERSION_CODENAME := $(TARGET_PLATFORM_VERSION)
132  endif
133
134  # This is all of the *active* development codenames. There are future
135  # codenames not included in this list. This confusing name is needed because
136  # all_codenames has been baked into build.prop for ages.
137  #
138  # Should be either the same as PLATFORM_VERSION_CODENAME or a comma-separated
139  # list of additional codenames after PLATFORM_VERSION_CODENAME.
140  PLATFORM_VERSION_ALL_CODENAMES :=
141
142  # Build a list of all active code names. Avoid duplicates, and stop when we
143  # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond
144  # that is not included in our build).
145  _versions_in_target := \
146    $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION))
147  $(foreach version,$(_versions_in_target),\
148    $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\
149    $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\
150      $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename))))
151
152  # This is all of the inactive development codenames. Available to be targeted
153  # in this branch but in the future relative to our current target.
154  PLATFORM_VERSION_FUTURE_CODENAMES :=
155
156  # Build a list of all untargeted code names. Avoid duplicates.
157  _versions_not_in_target := \
158    $(filter-out $(PLATFORM_VERSION_ALL_CODENAMES),$(ALL_VERSIONS))
159  $(foreach version,$(_versions_not_in_target),\
160    $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\
161    $(if $(filter $(_codename),$(PLATFORM_VERSION_FUTURE_CODENAMES)),,\
162      $(eval PLATFORM_VERSION_FUTURE_CODENAMES += $(_codename))))
163
164  # And convert from space separated to comma separated.
165  PLATFORM_VERSION_ALL_CODENAMES := \
166    $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES)))
167  PLATFORM_VERSION_FUTURE_CODENAMES := \
168    $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_FUTURE_CODENAMES)))
169
170endif
171
172ifeq (REL,$(PLATFORM_VERSION_CODENAME))
173  PLATFORM_PREVIEW_SDK_VERSION := 0
174else
175  ifndef PLATFORM_PREVIEW_SDK_VERSION
176    # This is the definition of a preview SDK version over and above the current
177    # platform SDK version. Unlike the platform SDK version, a higher value
178    # for preview SDK version does NOT mean that all prior preview APIs are
179    # included. Packages reading this value to determine compatibility with
180    # known APIs should check that this value is precisely equal to the preview
181    # SDK version the package was built for, otherwise it should fall back to
182    # assuming the device can only support APIs as of the previous official
183    # public release.
184    # This value will always be 0 for release builds.
185    PLATFORM_PREVIEW_SDK_VERSION := 0
186  endif
187endif
188
189ifndef DEFAULT_APP_TARGET_SDK
190  # This is the default minSdkVersion and targetSdkVersion to use for
191  # all .apks created by the build system.  It can be overridden by explicitly
192  # setting these in the .apk's AndroidManifest.xml.  It is either the code
193  # name of the development build or, if this is a release build, the official
194  # SDK version of this release.
195  ifeq (REL,$(PLATFORM_VERSION_CODENAME))
196    DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION)
197  else
198    DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME)
199  endif
200endif
201
202ifndef PLATFORM_SECURITY_PATCH
203    #  Used to indicate the security patch that has been applied to the device.
204    #  It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin.
205    #  It must be of the form "YYYY-MM-DD" on production devices.
206    #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
207    #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
208      PLATFORM_SECURITY_PATCH := 2017-09-05
209endif
210
211ifndef PLATFORM_BASE_OS
212  # Used to indicate the base os applied to the device.
213  # Can be an arbitrary string, but must be a single word.
214  #
215  # If there is no $PLATFORM_BASE_OS set, keep it empty.
216  PLATFORM_BASE_OS :=
217endif
218
219ifndef BUILD_ID
220  # Used to signify special builds.  E.g., branches and/or releases,
221  # like "M5-RC7".  Can be an arbitrary string, but must be a single
222  # word and a valid file name.
223  #
224  # If there is no BUILD_ID set, make it obvious.
225  BUILD_ID := UNKNOWN
226endif
227
228ifndef BUILD_DATETIME
229  # Used to reproduce builds by setting the same time. Must be the number
230  # of seconds since the Epoch.
231  BUILD_DATETIME := $(shell date +%s)
232endif
233
234ifneq (,$(findstring Darwin,$(UNAME)))
235DATE := date -r $(BUILD_DATETIME)
236else
237DATE := date -d @$(BUILD_DATETIME)
238endif
239
240ifndef BUILD_NUMBER
241  # BUILD_NUMBER should be set to the source control value that
242  # represents the current state of the source code.  E.g., a
243  # perforce changelist number or a git hash.  Can be an arbitrary string
244  # (to allow for source control that uses something other than numbers),
245  # but must be a single word and a valid file name.
246  #
247  # If no BUILD_NUMBER is set, create a useful "I am an engineering build
248  # from this date/time" value.  Make it start with a non-digit so that
249  # anyone trying to parse it as an integer will probably get "0".
250  BUILD_NUMBER := eng.$(shell echo $${USER:0:6}).$(shell $(DATE) +%Y%m%d.%H%M%S)
251endif
252