I want to do one more iteration of this. Based on feedback it seems I can 
remove a bit more code from java_props_macosx.[ch] and make things a bit 
cleaner.

-DrD-

> Thanks guys.
> 
> Anthony, can you sponsor this for me?
> 
> -DrD-
> 
>> This fix looks fine to me as well.
>> 
>> --
>> best regards,
>> Anthony
>> 
>> On 10/20/2013 11:56 PM, David DeHaven wrote:
>>> 
>>> CCing: build-dev, macosx-port-dev, hotspot-dev
>>> 
>>> Request for review of JDK-8025673:
>>> https://bugs.openjdk.java.net/browse/JDK-8025673
>>> 
>>> Proposed changes:
>>> http://cr.openjdk.java.net/~ddehaven/8025673/
>>> 
>>> This change disables building libawt_xawt.dylib and libawt_headless.dylib 
>>> on Mac since they are not used and not supported. There are too many 
>>> challenges (and not enough time) in removing all X11 code from the Mac 
>>> build at this time, so we're deferring complete removal for later (will be 
>>> covered by JDK-8003900).
>>> 
>>> A small change to hotspot is required as it was looking for 
>>> libawt_xawt.dylib and if not found would set java.awt.headless to true. 
>>> Since we don't build a headless only JRE on Mac I just have that method 
>>> return false. I'm not sure how to handle changes to hotspot, can it be 
>>> pushed along with the jdk changes? Without that change the Mac builds will 
>>> be broken.
>>> 
>>> Significant build system changes, build-dev guys are encouraged to 
>>> comment...
>>> 
>>> I tried excluding all sun/awt/X11 classes in CompileJavaClasses.gmk but 
>>> that broke JNI header generation on platforms still using X11 and I 
>>> couldn't use the big list of excluded files on Mac as that resulted in Java 
>>> compilation errors, so I just added some logic to exclude everything on Mac 
>>> and left the list in place everywhere else.
>>> 
>>> The changes to CompileNativeLibraries.gmk will port to 
>>> libs/AwtJava2dLibraries.gmk in jdk8/build, however there is a problem in 
>>> the jdk8/build workspace where the build cannot find symbols in JNI libs so 
>>> that issue needs to be resolved first. I've not had time to investigate 
>>> that problem.
>>> 
>>> 
>>> Question for the AWT team, we still have this in java_props_md.c:
>>> 458     PreferredToolkit prefToolkit = getPreferredToolkit();
>>> 459     if (prefToolkit == CToolkit) {
>>> 460         sprops.awt_toolkit = "sun.lwawt.macosx.LWCToolkit";
>>> 461     } else {
>>> 462         // TODO: do we still need this?
>>> 463         sprops.awt_toolkit = "sun.awt.HToolkit";
>>> 464     }
>>> 
>>> Is that necessary? Since we're now using libawt_lwawt in both headless and 
>>> headful modes I would think we could remove the HToolkit option, but I'm 
>>> not 100% certain about that.
>>> 
>>> 
>>> I've built and tested on Mac and a Linux VM (Ubuntu 12.04) and both seem to 
>>> be working fine.
>>> 
>>> JPRT run for Mac is in progress, I will submit one for all other platforms 
>>> when it finishes building.
>>> 
>>> -DrD-
>>> 
> 

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