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Cole Faust 8383184b7a "Steal" single value variables in rbc inheritance 
This behavior of "stealing" values from parent makefiles is needed to
match make. We already had similar behavior for list variables via
the __move_items function, but were missing it for single value
variables.

Test: ./out/rbcrun -mode rbc ./build/make/tests/run.rbc
Change-Id: Ib320b9b1cce0224184f585c7a391be1b5353b440
2024-04-30 17:30:18 -07:00
ci Stream build process output 2024-04-18 19:02:50 +00:00
common math.mk supports larger number comparison 2023-10-30 10:58:25 +09:00
core "Steal" single value variables in rbc inheritance 2024-04-30 17:30:18 -07:00
packaging Trace time spent in cp rules for dist targets. 2023-06-26 23:31:30 +00:00
target Move aosp_x86_64 away from non-AB 2024-04-30 09:34:58 -07:00
teams Define trendy_team_adte under build/make 2024-04-25 22:34:34 +00:00
tests "Steal" single value variables in rbc inheritance 2024-04-30 17:30:18 -07:00
tools Merge "aconfig: add a new aconfig storage file flag listing api" into main 2024-04-30 23:06:18 +00:00
.gitignore ignore .iml files (IntelliJ) 2022-06-17 12:17:53 -04:00
Android.bp Add a facility to log tool invocations 2024-04-17 22:41:58 +00:00
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 Revert^2 "Enable genrule sandboxing by default" 2023-10-18 22:50:28 +00:00
CleanSpec.mk Clean out old rustc compiler intermediates 2023-10-03 10:35:32 -07:00
cogsetup.sh Do not fail cogsetup.sh if repo is not in PATH 2024-04-26 07:09:41 +00:00
Deprecation.md Obsolete unused module types 2020-04-18 21:00:18 -07:00
envsetup.sh Support tool event logging for ADB invocations 2024-04-19 17:38:17 +00:00
help.sh Add sync to m help 2022-09-22 02:26:10 +00:00
METADATA Move comment to license_note 2022-03-03 14:57:46 -08:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
OWNERS Remove lberki@google.com from OWNERS 2023-11-30 16:41:22 +00:00
PREUPLOAD.cfg check-flagged-apis: add new CLI to verify @FlaggedApi APIs 2024-04-16 10:32:17 +02:00
rbesetup.sh fix RE for metalava actions 2023-11-15 20:39:45 +00:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
shell_utils.sh Pull common methods into shell_utils.sh, which can be included by scripts. 2023-01-03 14:12:43 -08:00
tapasHelp.sh Add a keys argument to tapas 2022-02-07 18:50:22 +00:00
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.