Compiling just the classes in the JDK source

[Chris Hegarty]

On 07/06/2012 10:23, Weijun Wang wrote:
> I remember once saw a mail from Alan talking about "exploded" modules,
> i.e. class files in a directory with the name of a module. Can't you
> just javac -d to that diretory?

Exploded modules support is not yet in. When it is, it will make this 
type of quick development cycle possible.

-Chris.

>
> Thanks
> Max
>
> On 06/07/2012 05:01 PM, Chris Hegarty wrote:
>> On 07/06/2012 08:48, Paul Sandoz wrote:
>>> Hi,
>>>
>>> How can i compile just the classes in the JDK rather than everything
>>> including re-building all the modules?
>>>
>>> Say i built Jigsaw already then i made a tweak to one source file e.g.
>>> org.openjdk.jigsaw.SimpleLibrary. I want to compile that source file
>>> then stuff that Java class into the appropriate area in the existing
>>> JDK library.
>>>
>>> I know it is risky :-) but for certain cases one knows nothing else
>>> has changed.
>>>
>>> Paul.
>>
>> WARNING... WARNING... NOT FOR THE FAINT-HEARTED!!
>>
>> :> cd myrepo/jdk/src/share/classes/org/openjdk/jigsaw
>> :> javac -d . `find . -name "*.java"`
>> :> jar -uvf myrepo//build/solaris-i586/lib/modules/jdk.base/8-ea/classes
>> org
>> (Or update the image,
>> solaris-i586/jdk-module-image/lib/modules/jdk.base/8-ea/classes)
>>
>> This only works because the classes are currently stored in a zip
>> archive. If this changes the above will obviously not work.
>>
>> </WARNING>
>>
>> -Chris.