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Andrew Dodd 2602f79f71
 ota: Disable downgrade check 
We want users to be able to downgrade their packages.

Change-Id: I6bcbd4ee2a02640fe0855b0f1f197a02e914c927
Signed-off-by: Simão Gomes Viana <simao@halogenos.org>
Category: core
2026-10-04 21:56:47 +02:00
backported_fixes Add known issue 398591036 to list of applied fixes. 2025-10-29 11:23:54 -07:00
ci Use trunk_staging for product configs artifact 2026-02-25 20:00:42 +00:00
common More math tests. 2026-02-18 10:20:18 -08:00
core remove references to unavailable Pixel overlays 2026-10-03 20:32:20 +02:00
packaging Remove main_soong_only.mk 2025-12-01 19:09:04 -08:00
target Disable Traceur for non eng-builds 2026-10-03 20:32:20 +02:00
teams Add trendy_team_desktop_pnp 2026-03-05 11:16:39 -08:00
tests Remove run_tool_with_logging function from envsetup.sh 2024-06-06 23:53:36 +00:00
tools ota: Disable downgrade check 2026-10-04 21:56:47 +02:00
.gitignore ignore .iml files (IntelliJ) 2022-06-17 12:17:53 -04:00
Android.bp Convert nonempty to soong 2025-07-31 14:05:00 +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 Remove mention of TEMPORARY_DISABLE_PATH_RESTRICTIONS 2025-06-17 11:14:44 -07:00
CleanSpec.mk Add $(HOST_OUT)/bin/grep to cleanspec 2025-12-02 13:40:57 -08:00
Deprecation.md Obsolete unused module types 2020-04-18 21:00:18 -07:00
envsetup.sh Fix envsetup on NixOS 2026-08-17 01:28:47 +02:00
help.sh Add sync to m help 2022-09-22 02:26:10 +00:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
OWNERS Remove joeo and jingwen from OWNERS 2025-04-30 13:03:22 -07:00
PREUPLOAD.cfg Add gofmt to repo upload hook 2026-01-15 16:07:23 -08:00
rbesetup.sh Fix envsetup on NixOS 2026-08-17 01:28:47 +02:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
rustfmt.toml PREUPLOAD: add rustfmt hook 2025-12-18 07:48:23 +00:00
shell_utils.sh Fix envsetup on NixOS 2026-08-17 01:28:47 +02:00
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.