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Daniel Norman b0c75911b8 Make merge_target_files more lenient, needed for cross-release merging. 
These changes were necessary to begin merging a new cross-release target
whose vendor half is frozen.

- MergeDynamicPartitionInfoDicts
  - Filters combined fields to remove duplicates
  - Merges `super_block_devices` as well as other keys that were not
    previously used by other targets consuming this tool.
- Introduces --allow-duplicate-apkapex-keys. This gives a warning rather
  than fatal error on duplicate apk/apex keys. This flag is needed for
  targets that cannot update a frozen half.
- (Formats merge_target_files.py)

Bug: 170683837
Test: Use merge_target_files to merge an S+R build, and boot.
Change-Id: Id5f787e730de8f8ef697e1f2f29ac6514221e58d
 		2020-10-15 10:16:31 -07:00
common Change use of sanity-check to "test". Makes comment line more clear what the code does. 2020-07-30 22:11:58 +00:00
core Merge "Package proguard_usage.zip files in jacoco-report-classes-all.jar" 2020-10-12 20:03:30 +00:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Revert^2 "use new GKI kernel location" 2020-10-09 10:32:57 -07:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Make merge_target_files more lenient, needed for cross-release merging. 2020-10-15 10:16:31 -07:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Changes.md Require required modules to exist 2020-08-06 06:41:09 +00:00
CleanSpec.mk Add clean step to remove Soong's host copies of libconscrypt_openjdk_jni.so 2020-10-09 08:42:13 +00:00
Deprecation.md Obsolete unused module types 2020-04-18 21:00:18 -07:00
OWNERS Refactor OWNERS files in platform/build/make. 2020-10-08 16:14:44 -07:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
Usage.txt Remove the PRODUCT-* goal 2019-07-29 14:27:04 -07:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
envsetup.sh Fix conflict with common zsh alias 2020-09-29 20:50:57 +00:00
help.sh Revert "Add modules partition." 2020-09-15 19:09:26 +00:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
rbesetup.sh Source rbesetup.sh from any location inside of a repo directory. 2020-09-28 22:09:41 +00:00
tapasHelp.sh Remove unused mips workarounds. 2020-03-06 16:46:59 -08:00

README.md

Android Make Build System

This is the Makefile-based portion of the Android Build System.

For documentation on how to run a build, see Usage.txt

For a list of behavioral changes useful for Android.mk writers see Changes.md

For an outdated reference on Android.mk files, see build-system.html. Our Android.mk files look similar, but are entirely different from the Android.mk files used by the NDK build system. When searching for documentation elsewhere, ensure that it is for the platform build system -- most are not.

This Makefile-based system is in the process of being replaced with Soong, a new build system written in Go. During the transition, all of these makefiles are read by Kati, and generate a ninja file instead of being executed directly. That's combined with a ninja file read by Soong so that the build graph of the two systems can be combined and run as one.