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Tianjie 9797623c2a Don't set the build id if we need to append the digest 
Background in http://go/compatible-build-fingerprint. If we want
to append unique vbmeta digest to build id, we cannot setup the
prop value at build time. Instead, set the old value as
ro.build.legacy.id; and let init set ro.build.id at runtime.

Bug: 186786987
Test: build a target file with the flag on
Change-Id: Ie139725bb7e5c65bd3f28f43b9975ba48ee10354
2021-05-06 00:32:56 +00:00
common Preserve <uses-library> order in dexpreopt.config files. 2021-02-11 17:09:19 +00:00
core Don't set the build id if we need to append the digest 2021-05-06 00:32:56 +00:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Usee sha256 to build the hashtree in GSI image" 2021-05-05 10:08:32 +00:00
tests Product configuration in Starlark support files. 2021-03-18 10:52:05 -07:00
tools Don't set the build id if we need to append the digest 2021-05-06 00:32:56 +00:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Android.bp [LSC] Add LOCAL_LICENSE_KINDS to build/make 2021-02-14 10:37:20 -08:00
banchanHelp.sh Allow selecting a different product in banchan. 2021-04-19 18:32:00 +01:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
Changes.md Add documentation for <uses-library> checks. 2021-03-31 11:56:45 +01:00
CleanSpec.mk Rename vendor-ramdisk to vendor_ramdisk 2021-03-03 13:56:48 -08:00
Deprecation.md Obsolete unused module types 2020-04-18 21:00:18 -07:00
envsetup.sh Make verifymodinfo in envsetup.sh quiet on errors during tab completion 2021-04-29 15:44:29 -07:00
help.sh Fix the help script. 2021-03-25 14:40:44 -07:00
METADATA Fix license_type. Contains GPL 2021-02-09 14:00:16 -08:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
OWNERS Refactor OWNERS files in platform/build/make. 2020-10-08 16:14:44 -07:00
PREUPLOAD.cfg Disallow use of error-prone merge-strategies 2021-02-23 15:07:02 +00:00
rbesetup.sh Switch default execution strategy to racing for developer builds 2020-11-25 12:14:16 -05:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
tapasHelp.sh Remove unused mips workarounds. 2020-03-06 16:46:59 -08:00
Usage.txt Remove the PRODUCT-* goal 2019-07-29 14:27:04 -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.