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Steve Muckle b3dda77f2a support multiple kernels, boot.img output
In order to enable the delivery of multiple kernel variants with
a platform build, add support for generating boot.img files from
multiple kernels.

The BOARD_KERNEL_BINARIES macro may be defined as a list of kernel
binaries to be used (if not, the original behavior and assumption of a
single kernel binary is preserved). Each kernel binary filename
must begin with "kernel". Any extra text in the filename is appended
to the boot.img name, so "kernel-gz" would generate "boot-gz.img".

Bug: 151094943
Change-Id: Icbbf227e9561f4aa11ce10db8d7aa81c7a81eb5b
2020-03-24 11:27:57 -07:00
common Define PRODUCT_PRODUCT_VNDK_VERSION automatically 2020-01-11 12:44:08 +00:00
core support multiple kernels, boot.img output 2020-03-24 11:27:57 -07:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target initial GKI boot.img support 2020-03-04 10:54:56 -08:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Remove the key parameter when verifying avb images in validate_target_files 2020-02-06 13:31:26 -08:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Changes.md Mark (BUILD_|LOCAL_)COPY_HEADERS as [more] deprecated 2020-01-27 19:45:04 -08:00
CleanSpec.mk Remove Soong intermdiates after moving image mutator 2019-12-17 14:53:49 -08:00
Deprecation.md Mark BUILD_HOST_EXECUTABLE as deprecated 2020-01-29 13:27:18 -08:00
OWNERS Add more OWNERS 2019-06-17 15:22:33 -07:00
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 ASAN_SYMBOLIZER_PATH for SANITIZE_HOST=address builds. 2020-02-04 09:16:28 -08:00
help.sh Rename product_services to system_ext 2019-07-09 08:57:19 +00:00
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For an outdated reference on Android.mk files, see build-system.html.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.