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Ivan Lozano f9f03e0119 Disable AArch64 XOM when not using lld. 
AArch64 execute-only memory is only supported when using lld as the
linker. There's still a few modules which don't use lld, so in those
cases we need to disable this option.

Bug: 77958880
Test: Module with LOCAL_USE_CLANG_LLD false builds without XOM
Test: Module without LOCAL_USE_CLANG_LLD defined builds with XOM

Change-Id: I5dfe3cd1e1cac2b3ead13912af9f7fe896d507e9
 		2018-11-27 14:53:33 -08:00
common Refactor common makefile fragments 2018-10-20 14:43:58 -07:00
core Disable AArch64 XOM when not using lld. 2018-11-27 14:53:33 -08:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "Add two more libraries to mainline_system" 2018-11-27 08:53:29 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-03 02:47:59 +00:00
tools Merge "Use common.RunAndCheckOutput() in add_img_to_target_files.py." 2018-11-26 18:41:36 +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 Add BOARD_USES_SYSTEM_OTHER_ODEX := true to mainline 2018-11-16 16:36:50 +00:00
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 envsetup.sh: say -p for plain, not -ps. 2018-11-15 16:32:14 -08:00
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For an outdated reference on Android.mk files, see build-system.html.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.