----- Original Message -----
From: "Stefano Mazzocchi" <[EMAIL PROTECTED]>
To: "Conor MacNeill" <[EMAIL PROTECTED]>
Cc: "Ant Developers List" <[EMAIL PROTECTED]>
Sent: Sunday, February 23, 2003 01:31
Subject: Re: Javac task design problems
> Conor MacNeill wrote:
> > Stefano Mazzocchi wrote:
> >
> >>
> >> Build time went from 25 minutes to 5 minutes on my machine (a pentium
> >> II 366 ronzputer). Other people experienced equivalent speedups and
> >> everybody is joyful, singing and dancing and with renewed faith on
> >> mankind.
> >
> >
> > If you keep that up, the government will declare it illegal.
>
> LOL :)
>
> >>
> >> The ideal solution to the problem (without requiring to filter
> >> everything out would be)
> >>
> >> <copy todir="${build.src}" filtering="on">
> >> <fileset dir="${src}">
> >> <include name="**/Constants.java"/>
> >> </fileset>
> >> </copy>
> >>
> >> <javac destdir="${build.dest}">
> >> <src>
> >> <fileset dir="${src}">
> >> <exclude name="**/Constants.java"/>
> >> </fileset>
> >> <path location="${build.src}"/>
> >> </src>
> >> </javac>
> >>
> >> too bad it doesn't work because the <javac> tasks assumes that each
> >> file in its fileset is a directory!
> >
> >
> > Not quite true, I think. The problem is more likely to come from javac
> > itself since it will go looking for files based on the source paths.
>
> then how do the exclude/include work?
>
> > IOW, there is a disconnect between javac the task and javac the
compiler.
>
> Did you guys ever thought about usign the Eclipse java compiler? It's
> *very* nice, fast as hell and entirely embeddable and incremental. Plus
> is IBM public license so its totally legal to redistribute with Ant.
>
> > Why not this:
> > <javac destdir="${build.dest}">
> > <src>
> > <path location="${build.src}"/>
> > <path location="${src}"/>
> > </src>
> > </javac>
> >
> > That should cause javac to pick up the changed files first and ignore
> > the other copy in src. Well I haven't tried it, so YMMV ...
>
> Nop, tried that and doesn't work. Javac tries to compile both copies of
> the file, complians about the duplication and fails.
Why have Constants.java in the primary source tree at all? Keep it somewhere
else, copy/filter/autocreate it in build/generated alongside all the castor,
axis, and xdoclet generated source
