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SzuWei Lin d13c1719b9 Add A/B update to GSI 
The feature should work fine on the devices with partition _a and _b.
and will not be enabled on the devices without partition _a and _b.

Bug: 110763858
Test: build aosp_arm64-userdebug and aosp_arm64_ab-userdebug
Change-Id: I9f783dd6fe69eff2536a6aac0506e41c724510b2
Merged-Id: I9f783dd6fe69eff2536a6aac0506e41c724510b2
 		2018-07-23 06:48:22 +00:00
core Merge "Added Address Sanitizer clang config for x86_64." 2018-07-20 04:11:08 -07:00
target Add A/B update to GSI 2018-07-23 06:48:22 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-03 02:47:59 +00:00
tools Merge "Escape special HTML characters in warning messages." 2018-07-20 17:24:14 -07:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Android.mk Fix the build when using findleaves.py 2017-08-08 09:45:12 -07:00
Changes.md Mark implicit rules as obsolete 2018-06-21 21:42:29 -07:00
CleanSpec.mk Move merged AndroidManifest.xml file to manifest subdirectory 2018-06-14 14:38:54 -07:00
OWNERS Fix OWNERS on version_defaults.mk 2018-05-29 22:31:24 +00:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
Usage.txt Remove showcommands from docs 2018-07-14 09:32:13 -07:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
envsetup.sh Add Atest tab completion script. 2018-07-17 14:27:32 +08:00
help.sh Add support for /product-services partition 2018-07-19 11:15:11 +01:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
tapasHelp.sh Remove armv5te 2018-01-08 15:26:16 -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For an outdated reference on Android.mk files, see build-system.html.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.