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Dan Albert fd5f1e7596 Trace time spent in cp rules for dist targets. 
Bug: http://b/259130368
Test: Used patched soong_trace.py to measure this
Change-Id: Ic85e35ad17b18fb316770cdebc3e01f45edfab44
2023-06-26 23:31:30 +00:00
common Fix BOARD_SYSTEMSDK_VERSIONS checks 2021-11-10 00:34:17 +00:00
core Trace build time by module name. 2023-06-26 23:30:31 +00:00
packaging Trace time spent in cp rules for dist targets. 2023-06-26 23:31:30 +00:00
target Merge "Remove PRODUCT_INSTALL_EXTRA_FLATTENED_APEXES" 2023-06-21 05:18:58 +00:00
tests Make RELEASE_PLATFORM_VERSION a release config flag to set platform version. 2023-06-11 09:17:43 -07:00
tools Merge "Rename device_config --> aconfig and definitions --> declarations" 2023-06-22 13:30:53 +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 Merge "Add BUILD_BROKEN_PLUGIN_VALIDATION flag" 2023-05-23 17:08:46 +00:00
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 Adapt to gdbrunner packaging. 2023-05-16 22:59:55 +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 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For an outdated reference on Android.mk files, see build-system.html.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.