summaryrefslogtreecommitdiffstats
path: root/core/version_defaults.mk
blob: bf9b2e84b606077fda2213aa23749468a21cdc1e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
#
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#
# Handle various build version information.
#
# Guarantees that the following are defined:
#     PLATFORM_VERSION
#     PLATFORM_SDK_VERSION
#     PLATFORM_VERSION_CODENAME
#     DEFAULT_APP_TARGET_SDK
#     BUILD_ID
#     BUILD_NUMBER
#     SECURITY_PATCH
#

# Look for an optional file containing overrides of the defaults,
# but don't cry if we don't find it.  We could just use -include, but
# the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set
# if the file exists.
#
INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk)
ifneq "" "$(INTERNAL_BUILD_ID_MAKEFILE)"
  include $(INTERNAL_BUILD_ID_MAKEFILE)
endif

ifeq "" "$(PLATFORM_VERSION)"
  # This is the canonical definition of the platform version,
  # which is the version that we reveal to the end user.
  # Update this value when the platform version changes (rather
  # than overriding it somewhere else).  Can be an arbitrary string.
  PLATFORM_VERSION := 6.0.1
endif

ifeq "" "$(PLATFORM_SDK_VERSION)"
  # This is the canonical definition of the SDK version, which defines
  # the set of APIs and functionality available in the platform.  It
  # is a single integer that increases monotonically as updates to
  # the SDK are released.  It should only be incremented when the APIs for
  # the new release are frozen (so that developers don't write apps against
  # intermediate builds).  During development, this number remains at the
  # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
  # the code-name of the new development work.
  PLATFORM_SDK_VERSION := 23
endif

ifeq "" "$(PLATFORM_VERSION_CODENAME)"
  # This is the current development code-name, if the build is not a final
  # release build.  If this is a final release build, it is simply "REL".
  PLATFORM_VERSION_CODENAME := REL

  # This is all of the development codenames that are active.  Should be either
  # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional
  # codenames after PLATFORM_VERSION_CODENAME.
  PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
endif

ifeq "REL" "$(PLATFORM_VERSION_CODENAME)"
  PLATFORM_PREVIEW_SDK_VERSION := 0
else
  ifeq "" "$(PLATFORM_PREVIEW_SDK_VERSION)"
    # This is the definition of a preview SDK version over and above the current
    # platform SDK version. Unlike the platform SDK version, a higher value
    # for preview SDK version does NOT mean that all prior preview APIs are
    # included. Packages reading this value to determine compatibility with
    # known APIs should check that this value is precisely equal to the preview
    # SDK version the package was built for, otherwise it should fall back to
    # assuming the device can only support APIs as of the previous official
    # public release.
    # This value will always be 0 for release builds.
    PLATFORM_PREVIEW_SDK_VERSION := 0
  endif
endif

ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
  # This is the default minSdkVersion and targetSdkVersion to use for
  # all .apks created by the build system.  It can be overridden by explicitly
  # setting these in the .apk's AndroidManifest.xml.  It is either the code
  # name of the development build or, if this is a release build, the official
  # SDK version of this release.
  ifeq "REL" "$(PLATFORM_VERSION_CODENAME)"
    DEFAULT_APP_TARGET_SDK := $(PLATFORM_SDK_VERSION)
  else
    DEFAULT_APP_TARGET_SDK := $(PLATFORM_VERSION_CODENAME)
  endif
endif

ifeq "" "$(PLATFORM_SECURITY_PATCH)"
  # Used to indicate the security patch that has been applied to the device.
  # Can be an arbitrary string, but must be a single word.
  #
  # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
  PLATFORM_SECURITY_PATCH := 2016-02-01
endif

ifeq "" "$(PLATFORM_BASE_OS)"
  # Used to indicate the base os applied to the device.
  # Can be an arbitrary string, but must be a single word.
  #
  # If there is no $PLATFORM_BASE_OS set, keep it empty.
  PLATFORM_BASE_OS :=
endif

ifeq "" "$(BUILD_ID)"
  # Used to signify special builds.  E.g., branches and/or releases,
  # like "M5-RC7".  Can be an arbitrary string, but must be a single
  # word and a valid file name.
  #
  # If there is no BUILD_ID set, make it obvious.
  BUILD_ID := UNKNOWN
endif

ifeq "" "$(BUILD_NUMBER)"
  # BUILD_NUMBER should be set to the source control value that
  # represents the current state of the source code.  E.g., a
  # perforce changelist number or a git hash.  Can be an arbitrary string
  # (to allow for source control that uses something other than numbers),
  # but must be a single word and a valid file name.
  #
  # If no BUILD_NUMBER is set, create a useful "I am an engineering build
  # from this date/time" value.  Make it start with a non-digit so that
  # anyone trying to parse it as an integer will probably get "0".
  BUILD_NUMBER := eng.$(USER).$(shell date +%Y%m%d.%H%M%S)
endif