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Tao Bao 46901fb8ca releasetools: Log the exceptions before rethrowing. 
In Append2Simg and Append in verity_utils.py, we catch and rethrow
exceptions as BuildVerityImageError. However, this suppresses the
traceback from the original exception which usually indicates the actual
cause. We can better handle this with the raise statement in Python 3,
which is however unavailable in Python 2.

This CL logs the exception before rethrowing to retain the useful bits.

Test: Inject an error to append2simg. `m -j systemimage` with
      aosp_marlin-userdebug. Check the output.
Change-Id: I0c2f57d6023fa1038256b85fa98d57ad0244a70d
 		2018-11-06 10:42:35 -08:00
common Refactor common makefile fragments 2018-10-20 14:43:58 -07:00
core Link hwasan static library to native tests. 2018-11-01 15:43:14 -07:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Merge "add flags_health_check binary to system_base.mk" 2018-11-01 18:46:52 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-03 02:47:59 +00:00
tools releasetools: Log the exceptions before rethrowing. 2018-11-06 10:42:35 -08:00
.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 Create a new kati packaging step; move dist 2018-10-20 21:44:44 +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 Don't override zsh users' compinit options. 2018-10-16 13:36:23 +02:00
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For an outdated reference on Android.mk files, see build-system.html.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.