Compiling just the classes in the JDK source

[Weijun Wang]

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?

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.