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Justin Yun 69f7191d5d Define __ANDROID_VENDOR__ and __ANDROID_PRODUCT__ 
__ANDROID_VNDK__ is defined for the modules that are able to use the
VNDK libraries. As both product and vendor variants define
__ANDROID_VNDK__, we don't know if a module is built for vendor or
product on build time.

__ANDROID_VENDOR__ and __ANDROID_PRODUCT__ macros can be used to
specify the image-variant-dependent codes.

Bug: 180646847
Test: m nothing
Change-Id: I9a37607b1e1e4e16eab02fb6c96d1a92158c96b8
 		2021-03-15 18:17:35 +09:00
common Preserve <uses-library> order in dexpreopt.config files. 2021-02-11 17:09:19 +00:00
core Define __ANDROID_VENDOR__ and __ANDROID_PRODUCT__ 2021-03-15 18:17:35 +09:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Enable madvising of odex, vdex and art files" 2021-03-13 02:13:52 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Merge "Trigger data wipe on spl-downgrade as well" 2021-03-12 18:50:38 +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
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
METADATA Fix license_type. Contains GPL 2021-02-09 14:00:16 -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
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
Usage.txt Remove the PRODUCT-* goal 2019-07-29 14:27:04 -07:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
envsetup.sh Add dirmods command to envsetup.sh 2021-02-26 08:57:23 -08:00
help.sh Update m help text with guidance on parallelism 2021-03-01 13:32:13 -08:00
navbar.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
rbesetup.sh Switch default execution strategy to racing for developer builds 2020-11-25 12:14:16 -05:00
tapasHelp.sh Remove unused mips workarounds. 2020-03-06 16:46:59 -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.