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Ryan Prichard 85a1213232 Switch platform-NDK unwinder to LLVM libunwind.a prebuilt 
Link against the libunwind.a shipped with the NDK so it matches what's
linked into the NDK's libc++_shared.so.

For arm32, binary.mk and cxx_stl_setup.mk had been adding two different
versions of the LLVM unwinder to the same linker command-line. Remove
the duplicate one from cxx_stl_setup.mk.

-Wl,--exclude-libs is now unnecessary because the symbols are marked
hidden in the archive itself.

Bug: http://b/153025717
Test: device boots, manually inspect some linker command lines
Change-Id: Ie7182bd565014348b16448976dc6587d2885ba99
 		2021-03-22 14:00:59 -07:00
common Preserve <uses-library> order in dexpreopt.config files. 2021-02-11 17:09:19 +00:00
core Switch platform-NDK unwinder to LLVM libunwind.a prebuilt 2021-03-22 14:00:59 -07:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Nextgen release: Don't build images that GSI don't need 2021-03-22 05:41:23 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Merge "Check that sum of DAP groups is smaller than super" 2021-03-18 17:33:29 +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 "ktgrep" for Kotlin 2021-03-16 15:10:34 +09:00
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.