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From Matt Benson <>
Subject Re: svn commit: r586283 - /ant/core/branches/ANT_17_BRANCH/build.xml
Date Mon, 22 Oct 2007 14:30:53 GMT

--- Kevin Jackson <> wrote:

> Hi,
> > Kev--I don't get it.  The ANTLR task isn't
> compatible
> > with Antlr 3, though a compatible version is
> available
> > at .  Did I miss something?
> Sorry, I was getting all dependencies for the build
> and just
> downloaded the latest antlr (3).  When the build
> failed I noticed that
> it was a selector issue and modified it.
> So should I fix the task to be antlr3 compat or
> remove the change?

I had quite some time back gotten Ter(ence Parr) to
agree to host future versions of any ANTLR task.  I
would say we can stick with the one we have as a
matter of necessity only.  FWIW, is now the
site for ANTLR 2.x stuff.  We should probably add
something to the task doc to emphasize that it does
not work with ANTLR 3.  AFAIK the command-line options
are different enough that trying to make the task
handle both would be a real PITA.  Not to mention the
fact that the meta-grammar is completely changed which
means existing dependency calculation logic probably
wouldn't work either.  Finally, ANTLR 3 actually
provides some hooks for tools to get generated
artifact names so that the kind of kludgery in our
task doesn't have to take place.


> (I'll remove the change and get antlr 2.7x for the
> ant build)
> Thanks for catching that,
> Kev
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