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Bowgo Tsai 26b0a26e3e Using a test key to sign boot-debug.img if needed 
When /boot partition is chained in AVB signing, libavb will try to
read AVB footer from the end of /boot partition, even if the device is
unlocked. However, this makes device unbootable when the unsigned
boot-debug.img is flashed on /boot partition. This CL uses a test key
from external/avb to sign the boot-debug.img if /boot partition is
chained.

Bug: 126493225
Bug: 129508966
Test: Enables chain partition for boot.img, `make bootimage_debug` then
      checks `avbtool info_image --image $OUT/boot-debug.img`
Test: `make bootimage_debug-nodeps`
Test: boot a device with a chained boot-debug.img

Change-Id: I870cb70c70b7d4d7a30b77bed58cbca6e007d5e3
2019-05-04 09:01:09 +08:00
common Move dexpreopting to Soong 2018-12-17 13:46:17 -08:00
core Using a test key to sign boot-debug.img if needed 2019-05-04 09:01:09 +08:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Rename PRODUCT_USES_ART to PRODUCT_USES_DEFAULT_ART_CONFIG" 2019-05-02 17:56:11 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools releasetools: Skip on empty care_map. 2019-05-01 22:21:25 -07:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
Changes.md Add infrastructure for deprecating module types 2019-04-17 17:02:20 -07:00
CleanSpec.mk Remove libjavacrypto from system image. 2019-04-26 10:28:16 +01:00
Deprecation.md BUILD_(HOST|TARGET)_TEST_CONFIG errors by default 2019-05-02 22:17:12 +00:00
envsetup.sh Merge "Add Asuite prebuilds in PATH and remove functions." 2019-02-20 04:51:03 +00:00
help.sh s/product-services/product_services/g 2018-08-20 10:44:59 -07:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
OWNERS Remove redundant per-file * 2019-03-18 10:21:15 -07:00
README.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
Usage.txt Remove showcommands from docs 2018-07-14 09:32:13 -07:00

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For an outdated reference on Android.mk files, see build-system.html.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.