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Yi Kong 95fd9d171d Move libgcc to libcrt.builtins 
libgcc is kept behind libcrt.builtins to provide unwinder symbols and
any other missing symbols.

Bug: 29275768
Bug: 119007754
Test: m checkbuild
Change-Id: Ifb16ed87afc3391f8830d771971315515f929235
Merged-In: Ifb16ed87afc3391f8830d771971315515f929235
(cherry picked from commit b9d8932279)
 		2018-11-08 13:40:34 -08:00
common Refactor common makefile fragments 2018-10-20 14:43:58 -07:00
core Move libgcc to libcrt.builtins 2018-11-08 13:40:34 -08:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Remove apex_debug_key 2018-11-02 14:36:08 +09:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-03 02:47:59 +00:00
tools Revert "build: Split out mkfs in BuildImageMkfs" 2018-11-08 19:26:50 +00:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Android.mk Fix the build when using findleaves.py 2017-08-08 09:45:12 -07:00
Changes.md Mark BUILD_NUMBER as obsolete, more vars as readonly 2018-10-22 15:20:26 -07:00
CleanSpec.mk Remove old copies of host-libprotobuf-java-full.jar in test suites 2018-11-05 15:11:46 -08:00
OWNERS Use multiple globs/emails in per-file syntax 2018-08-20 14:16:04 -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 Add .hpp files to sgrep and treegrep 2018-11-06 17:36:46 +01:00
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For an outdated reference on Android.mk files, see build-system.html.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.