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Yi-Yo Chiang ba959a5ff1 Add option to allow product makefiles to skip building super_empty.img 
This change doesn't change the condition for building super_empty.img,
it just add a toggle PRODUCT_BUILD_SUPER_EMPTY_IMAGE that product
makefiles can use to skip building super_empty.img.
Products that don't use super_empty at all, for example GSI, can set
this option to ensure the super_empty.img is not built.

Bug: 183068624
Test: "m dist" on GSI and check the build artifacts under OUT and DIST
  directories, and check the contents of *-img-*.zip
Change-Id: I54943952873d2d297fd9d18cbe14742bc12ae9c6
2021-03-24 05:35:10 +00:00
common Preserve <uses-library> order in dexpreopt.config files. 2021-02-11 17:09:19 +00:00
core Add option to allow product makefiles to skip building super_empty.img 2021-03-24 05:35:10 +00:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Add new llndk library, libneuralnetworks_shim.so" 2021-03-23 09:15:42 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Add option to allow product makefiles to skip building super_empty.img 2021-03-24 05:35:10 +00:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Android.bp [LSC] Add LOCAL_LICENSE_KINDS to build/make 2021-02-14 10:37:20 -08:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
Changes.md Fix typo in sysprop.mk and Changes.md 2021-03-02 08:51:03 +09:00
CleanSpec.mk Rename vendor-ramdisk to vendor_ramdisk 2021-03-03 13:56:48 -08:00
Deprecation.md Obsolete unused module types 2020-04-18 21:00:18 -07:00
envsetup.sh Add "ktgrep" for Kotlin 2021-03-16 15:10:34 +09:00
help.sh Update m help text with guidance on parallelism 2021-03-01 13:32:13 -08:00
METADATA Fix license_type. Contains GPL 2021-02-09 14:00:16 -08:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
OWNERS Refactor OWNERS files in platform/build/make. 2020-10-08 16:14:44 -07:00
PREUPLOAD.cfg Disallow use of error-prone merge-strategies 2021-02-23 15:07:02 +00:00
rbesetup.sh Switch default execution strategy to racing for developer builds 2020-11-25 12:14:16 -05:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
tapasHelp.sh Remove unused mips workarounds. 2020-03-06 16:46:59 -08:00
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.