The Android Open Source Project | b6c1cf6 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 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 | # BUILD_ID |
| 24 | # BUILD_NUMBER |
| 25 | # |
| 26 | |
| 27 | # Look for an optional file containing overrides of the defaults, |
| 28 | # but don't cry if we don't find it. We could just use -include, but |
| 29 | # the build.prop target also wants INTERNAL_BUILD_ID_MAKEFILE to be set |
| 30 | # if the file exists. |
| 31 | # |
| 32 | INTERNAL_BUILD_ID_MAKEFILE := $(wildcard $(BUILD_SYSTEM)/build_id.mk) |
| 33 | ifneq "" "$(INTERNAL_BUILD_ID_MAKEFILE)" |
| 34 | include $(INTERNAL_BUILD_ID_MAKEFILE) |
| 35 | endif |
| 36 | |
| 37 | ifeq "" "$(PLATFORM_VERSION)" |
| 38 | # This is the canonical definition of the platform version, |
| 39 | # which is the version that we reveal to the end user. |
| 40 | # Update this value when the platform version changes (rather |
| 41 | # than overriding it somewhere else). Can be an arbitrary string. |
The Android Open Source Project | dcc08f0 | 2008-12-17 18:03:49 -0800 | [diff] [blame] | 42 | PLATFORM_VERSION := 1.5 |
The Android Open Source Project | b6c1cf6 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 43 | endif |
| 44 | |
| 45 | ifeq "" "$(PLATFORM_SDK_VERSION)" |
| 46 | # This is the canonical definition of the SDK version, which defines |
| 47 | # the set of APIs and functionality available in the platform. This is |
| 48 | # a single integer, that increases monotonically as updates to the SDK |
| 49 | # are released. |
The Android Open Source Project | dcc08f0 | 2008-12-17 18:03:49 -0800 | [diff] [blame] | 50 | PLATFORM_SDK_VERSION := 3 |
The Android Open Source Project | b6c1cf6 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 51 | endif |
| 52 | |
| 53 | ifeq "" "$(BUILD_ID)" |
| 54 | # Used to signify special builds. E.g., branches and/or releases, |
| 55 | # like "M5-RC7". Can be an arbitrary string, but must be a single |
| 56 | # word and a valid file name. |
| 57 | # |
| 58 | # If there is no BUILD_ID set, make it obvious. |
| 59 | BUILD_ID := UNKNOWN |
| 60 | endif |
| 61 | |
| 62 | ifeq "" "$(BUILD_NUMBER)" |
| 63 | # BUILD_NUMBER should be set to the source control value that |
| 64 | # represents the current state of the source code. E.g., a |
| 65 | # perforce changelist number or a git hash. Can be an arbitrary string |
| 66 | # (to allow for source control that uses something other than numbers), |
| 67 | # but must be a single word and a valid file name. |
| 68 | # |
| 69 | # If no BUILD_NUMBER is set, create a useful "I am an engineering build |
| 70 | # from this date/time" value. Make it start with a non-digit so that |
| 71 | # anyone trying to parse it as an integer will probably get "0". |
| 72 | BUILD_NUMBER := eng.$(USER).$(shell date +%Y%m%d.%H%M%S) |
| 73 | endif |
The Android Open Source Project | 475fa12 | 2009-02-10 15:43:57 -0800 | [diff] [blame^] | 74 | |
| 75 | ifeq "true" "$(DISPLAY_BUILD_NUMBER)" |
| 76 | # if the build_id.mk has this defined, then BUILD_ID is updated with |
| 77 | # the BUILD_NUMBER as well. For development branches, this will be |
| 78 | # set, but release branches this will not be set. |
| 79 | BUILD_DISPLAY_ID := "$(BUILD_ID).$(BUILD_NUMBER)" |
| 80 | else |
| 81 | BUILD_DISPLAY_ID := "$(BUILD_ID)" |
| 82 | endif |
| 83 | |
| 84 | |