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Daniel Norman 72c626f017 Adds image-specific selinux_fc props to allow different file_contexts. 
This enables mixed builds to use the file_contexts.bin from the system
build when regenerating images that come from system target files, and
similarly for file_contexts.bin from the other build when regenerating
images from other target files.

In monolithic (non-mixed) builds all image-specific selinux_fc props
point to the same file_contexts.

Bug: 132108151
Test: Built and booted mixed build devices.
Change-Id: Id51ed6d96ea6337879f1ab21d47c93c67bc25312
 		2019-05-23 11:21:02 -07:00
common Move dexpreopting to Soong 2018-12-17 13:46:17 -08:00
core Adds image-specific selinux_fc props to allow different file_contexts. 2019-05-23 11:21:02 -07:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Revert "Remove USE_XML_AUDIO_POLICY_CONF build flag" 2019-05-14 21:16:46 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Adds image-specific selinux_fc props to allow different file_contexts. 2019-05-23 11:21:02 -07:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Changes.md Add infrastructure for deprecating module types 2019-04-17 17:02:20 -07:00
CleanSpec.mk Remove libc_malloc_{debug,hooks} from the system image. 2019-05-07 17:33:36 +01:00
Deprecation.md Move BUILD_[HOST_]SHARED_TEST_LIBRARY to obsolete list 2019-05-08 12:37:10 -07:00
OWNERS Remove redundant per-file * 2019-03-18 10:21:15 -07:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
Usage.txt Remove showcommands from docs 2018-07-14 09:32:13 -07:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
envsetup.sh Update hmm text for mgrep. 2019-05-04 10:06:28 -07:00
help.sh s/product-services/product_services/g 2018-08-20 10:44:59 -07:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
tapasHelp.sh Remove armv5te 2018-01-08 15:26:16 -08:00

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For an outdated reference on Android.mk files, see build-system.html.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.