Re: Java > 1.5

Ruben De Smet <[email protected]> Sat, 16 Aug 2014 11:43:55 +0200

Newsgroups	gmane.comp.gcc.java.devel
Message-ID	<[email protected]>

On 08/16/2014 10:13 AM, Andrew Haley wrote:
> On 15/08/14 18:54, Ruben De Smet wrote:
>> Dear [email protected] list,
>>
>> I've gotten to compile some things with GCJ (hooray!) which don't run
>> fine (ooooh). If I don't come to run it on my own, I'll certainly file a
>> bug report or contact this list.
>>
>> I would like to avoid having to distribute a Java runtime to users, but
>> my teammate is writing code in Java 1.7. I read GCJ only understands 1.5.
>>
>> Is there any development going on for Java 1.7? Would it be a lot of
>> work to implement some Java 1.7 features? I would take it on me if needed.
> 
> Right now there's not much prospect of that.  The problem is the class
> libraries, which would require a lot of work. The best prospect is to
> convert libgcj to use the libraries from OpenJDK, which would work,
> but again the conversion would take maybe 6 months for someone who
> knows gcj very well, along with some compiler changes.  It could be
> done, but there needs to be a compelling reason.

Is there any reason gcj isn't yet using OpenJDK libraries, or is it just
that you didn't think of that yet?

I guess you'll have to implement all the new 1.6 and 1.7 Java features
to get the OpenJDK libraries to work?

> 
>> There were two things I noticed with my teammates code that were using
>> 1.7 features. @Override on interfaces and multi exception catch (like
>> catch (IOException | OtherException e) ).
> 
> I'm sure it's possible.

What would it take me to implement them? Should I CC a devel-mailinglist
right here?

Thank you for your time and answering my questions :)

Ruben

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