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From cost...@covalent.net
Subject Re: Ant on java 1.4
Date Fri, 17 May 2002 20:54:11 GMT
On Fri, 17 May 2002, Magesh Umasankar wrote:

> I need to build Ant with JDK 1.4 because to generate
> a total build, there are dependencies on JDK 1.4 in
> build.xml.  However, if I specify target=1.1, I run
> into other problems for which I have launched a
> separate thread of discussion...
> 
> How do you all out there manage a complete Ant build
> using JDK 1.4 so that the distro is 1.1 compatible as
> well?

I didn't tried yet - my 'itch' was the fact that I couldn't 
use jikes.

Probably the best workaround would be to just not use
javac for the relase ( jikes with rt.jar from 1.4 may work ).
But of course jikes has it's own bugs... 


Costin


> 
> Cheers,
> Magesh
> 
> *************************************************************
> *  Optimist: A person who while falling from the            *
> *  Eiffel tower says in midway "See I am not injured yet."  *
> *************************************************************
> ----- Original Message -----
> From: <costinm@covalent.net>
> To: "Ant Developers List" <ant-dev@jakarta.apache.org>
> Sent: Friday, May 17, 2002 4:19 PM
> Subject: Re: Ant on java 1.4
> 
> 
> > On Fri, 17 May 2002 costinm@covalent.net wrote:
> >
> > > Stefan,
> > >
> > > I did a quick grep and no jakarta or xml project is using target
> > > attribute. In fact many are setting 'classic' compiler in build.xml, so
> > > they'll not even compile with JDK1.4 out of box.
> > >
> > > My point is that most people just don't know about this new wonderfull
> > > 'feature' of JDK1.4. I didn't know until it bit me.
> >
> > BTW, it seems jikes will not work if 'target=1.2' is used - so a system
> > build with 1.4 won't be useable with jikes ( and I suspect other
> compilers ).
> >
> >
> > Costin
> >
> >
> >
> >
> > >
> > >
> > >
> > > Costin
> > >
> > >
> > >
> > > > > That brakes backward compatibility for all projects who target
> > > > > JDK1.1.
> > > >
> > > > I'm not taking about JDK 1.4 breaking backwards compatibility - we
> > > > both know it does in too many places to enumerate them - but backwards
> > > > compatibility to Ant 1.4.
> > > >
> > > > If I don't care for JDK 1.1, I won't set the target option in Ant 1.4
> and
> > > > use the compiler's default value.  If I do, I better set the target
> > > > option instead of relying on Ant (which I can't if my users may be
> > > > stuck with Ant 1.4 anyway).
> > > >
> > > > > Many projects _require_ 1.4 to be fully built, and all those will
> > > > > not work with JDK1.1.
> > > >
> > > > If these projects want to be compatible to JDK 1.1, they should make
> > > > that decision consciously and set the target attribute explicitly
> > > > IMHO.
> > > >
> > > > Stefan
> > > >
> > > > --
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> > > >
> > > >
> > >
> > >
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> >
> >
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> 
> 
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> 


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