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Tobias Thierer 0276db1ec7 javac 9 -target 1.9: Move bootclasspath jars onto classpath. 
When building with OpenJDK 9's javac with -source 1.9 -target 1.9,
a runtime image (with system modules) is used via the --system
command line flag, instead of --bootclasspath.
The runtime image only contains the default libraries (libcore)
but is missing other libraries that might be on the bootclasspath
for a particular build target.

This CL fixes compilation for this case by adding the missing
jars onto the classpath instead.

This already used to work but was broken by CL [1]. I attempted
to conditionally revert some of that CL's changes to java_common.mk
for the case of language level 1.9, but couldn't get it to work.
Therefore this CL follows a different approach.

[1] http://r.android.com/519552

Bug: 38177569
Test: Treehugger
Test: Ran "EXPERIMENTAL_USE_OPENJDK9=true make checkbuild docs"
      and spot-checked some javac invocations to confirm that the
      system modules libs were not included in the bootclasspath,
      but other libs were.

Change-Id: I48fd11aac9b310bfa58dee0f9cfb3ef33f10bca8
 		2018-01-26 02:48:48 +00:00
core javac 9 -target 1.9: Move bootclasspath jars onto classpath. 2018-01-26 02:48:48 +00:00
target Add perfetto daemons and cmdline client to core makefiles 2018-01-25 15:32:11 +00:00
tests Only set TARGET_PLATFORM version in lunch when explicitly requested 2017-05-03 02:47:59 +00:00
tools Support /product partition 2018-01-25 09:33:58 +09:00
.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 Remove unnecessary USE_CLANG_PLATFORM_BUILD. 2018-01-11 14:29:23 -08:00
CleanSpec.mk move VINTF metadata to /etc/vintf/ . 2018-01-19 10:52:27 -08:00
OWNERS Add Nan to OWNERS 2018-01-18 15:50:07 -08:00
README.md Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
Usage.txt Mark envsetup.sh vars as deprecated in makefiles 2017-11-28 14:19:50 -08:00
buildspec.mk.default Add TARGET_PLATFORM_VERSION to lunch 2017-03-23 09:44:08 -07:00
envsetup.sh Merge "envsetup.sh: don't assume 'cd' is builtin" 2018-01-11 03:52:46 +00:00
help.sh Support /product partition 2018-01-25 09:33:58 +09:00
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.