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Peter Collingbourne fd95f097fe Make kernel prebuilts writable after copying them. 
Images created by Bazel are read-only, which leads to build failures when
later commands attempt to modify them, as the cp command will also copy
the file permissions. Fix it by using chmod to make the images writable
after copying them.

Change-Id: I8aaa7c4395d38b674f76a7f0ebfa95e1f2da0af0
2023-03-24 16:39:17 -07:00
common Fix BOARD_SYSTEMSDK_VERSIONS checks 2021-11-10 00:34:17 +00:00
core Make kernel prebuilts writable after copying them. 2023-03-24 16:39:17 -07:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Remove OWNERS access for non-build team people to core build system" 2023-02-28 21:27:22 +00:00
tests Make words() work on a list of non-strings 2023-02-07 12:28:47 -08:00
tools Merge "Revert "Generate SBOM of the target product in file sbom.spdx in..."" 2023-03-10 06:40:54 +00:00
.gitignore ignore .iml files (IntelliJ) 2022-06-17 12:17:53 -04:00
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 BUILD_BROKEN_USES_SOONG_PYTHON2_MODULES 2023-03-09 11:55:29 -08:00
CleanSpec.mk Make SOONG_HOST_OUT an alias for HOST_OUT 2021-11-18 16:26:58 -08:00
Deprecation.md Obsolete unused module types 2020-04-18 21:00:18 -07:00
envsetup.sh have sgrep search rust and go files too 2023-02-27 15:58:15 -08:00
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 OWNERS access for non-build team people to core build system 2023-02-28 10:52:10 -08:00
PREUPLOAD.cfg Disallow use of error-prone merge-strategies 2021-02-23 15:07:02 +00:00
rbesetup.sh Update rbesetup.sh script to no longer set certain env variables 2022-05-27 11:31:45 -04:00
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.