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Jim Tang c4dba1d56e Filter out VENDOR_PYTHONPATH from PYTHONPATH in aosp.
Currently when switching between internal to aosp, PYTHONPATH will be
contaminated. This CL is to ensure PYTHONPATH will be as clean as
opening a new terminal and source/lunch.

Bug: 121106770

Test: internal:
$ source build/envsetup.sh; lunch; echo $PYTHONPATH| sed 's/:/\n/g'
will see VENDOR_PYTHONPATH in PYTHONPATH.

switch to aosp:
$ source build/envsetup.sh; lunch; echo $PYTHONPATH| sed 's/:/\n/g'
won't see VENDOR_PYTHONPATH in PYTHONPATH.

Change-Id: Id1916673000ee3fad55e9611d0c47cc80de86645
2019-08-06 09:17:24 +08:00
common Move dexpreopting to Soong 2018-12-17 13:46:17 -08:00
core Merge changes from topic "rm_ONE_SHOT_MAKEFILE" 2019-08-01 21:11:02 +00:00
packaging Fix creating _dist_<goal> targets under !dist 2018-10-21 08:56:27 -07:00
target Add product and system_ext partition for emulator 2019-07-31 10:45:55 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-01 14:26:40 -07:00
tools Merge "releasetools: Add FORCE_RUN_RELEASETOOLS." 2019-08-02 03:57:39 +00:00
.gitignore Add build subprojects to .gitignore 2015-07-23 13:18:47 -07:00
Changes.md Changes.md: Change OUT_DIR to PRODUCT_OUT 2019-06-04 20:49:51 +09:00
CleanSpec.mk Remove [jni_]link_type files 2019-07-31 18:09:22 -07:00
Deprecation.md Start the deprecation of BUILD_HOST_STATIC_LIBRARY 2019-06-14 09:37:42 -07:00
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 Filter out VENDOR_PYTHONPATH from PYTHONPATH in aosp. 2019-08-06 09:17:24 +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For an outdated reference on Android.mk files, see build-system.html.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.