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Daniel Norman 38888d390f Turns on building vbmeta.img when merging if avb_enable=true. 
Needed after commit 8218225794
which skips regenerating vbmeta.img if avb_building_vbmeta_image!=true.
Partial builds that disable vbmeta generation do not set this field.

Bug: 169892879
Test: Run merge_target_files.py on builds that have avb_enable=true but
      PRODUCT_BUILD_VBMETA_IMAGE=false. Observe vbmeta.img generation.
Change-Id: Id498dbd28c909e19cd35178b95a0b5dc22a1ac70
2020-11-19 14:51:15 -08:00
common Add a rule to get numbers greater or equal to a minimum number. 2020-10-29 22:29:27 +00:00
core Clear LOCAL_IS_UNIT_TEST 2020-11-18 15:37:01 -08:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Make related stuff for Keymint V1." 2020-11-17 16:13:50 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Turns on building vbmeta.img when merging if avb_enable=true. 2020-11-19 14:51:15 -08:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
Changes.md Require required modules to exist 2020-08-06 06:41:09 +00:00
CleanSpec.mk Add clean step to remove Soong's host copies of libconscrypt_openjdk_jni.so 2020-10-09 08:42:13 +00:00
Deprecation.md Obsolete unused module types 2020-04-18 21:00:18 -07:00
envsetup.sh Export SOONG_HOST_OUT as ANDROID_SOONG_HOST_OUT 2020-11-03 11:06:39 +09:00
help.sh Revert "Add modules partition." 2020-09-15 19:09:26 +00:00
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
rbesetup.sh Source rbesetup.sh from any location inside of a repo directory. 2020-09-28 22:09:41 +00:00
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For an outdated reference on Android.mk files, see build-system.html.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.