xchat2 - perl plugin makes xchat2 core dump

[Joe Marcus Clarke]

On Fri, 2004-04-30 at 12:35, Randy Pratt wrote:
> On Fri, 30 Apr 2004 03:29:09 -0400
> Joe Marcus Clarke <marcus at marcuscom.com> wrote:
> 
> > On Thu, 2004-04-29 at 14:12, Randy Pratt wrote:
> > > On Thu, 29 Apr 2004 13:13:18 -0400
> > > Joe Marcus Clarke <marcus at marcuscom.com> wrote:
> > > 
> > > <snip other discussion>
> > > 
> > > > Send me the script you're using, and let me know exactly the steps
> > > > you're using.  I don't have any xchat Perl scripts.  Perhaps there is a
> > > > problem with using the plug-in.
> > > > 
> > > > Joe
> > > 
> > > I renamed my ~/.xchat2 directory and tried a clean startup.  And I
> > > can load the perl.so module without crashing xchat2.  Note that the
> > > warning about not being able to preload is still present, but it
> > > does not crash:
> > > 
> > >    AutoLoad failed for:
> > >    /usr/X11R6/lib/xchat/plugins/perl.so
> > > 
> > >    No xchat_plugin_init symbol; is this really an xchat plugin?
> > > 
> > > The perl script I was using was an fserve:
> > > 
> > >   http://homepages.tu-darmstadt.de/~awerth/obsidian/
> > > 
> > > The version I was successfully using prior to the last ports update was:
> > > 
> > >   http://homepages.tu-darmstadt.de/~awerth/obsidian/obsidian-0.9.2-pre1.tar.gz
> > > 
> > > I have tried other versions but with the same results.  I also
> > > tried a couple of other perl scripts including the one that comes
> > > with the distribution:
> > > 
> > >   /usr/ports/irc/xchat2/work/xchat-2.0.8/plugins/perl/sample_script.pl
> > > 
> > > I can load the perl.so module, but trying to use any perl script
> > > causes the core dump.  So I'm not sure its the perl scripts.
> > > 
> > > Again, thanks for looking at this!
> > 
> > I did some more digging, and this looks like a Perl bug.  I would
> > recommend sticking with 5.8.2.  Previous versions of xchat didn't use
> > newCONSTSUB which seems to have a problem in perl 5.6.1.  I looked at
> > some other code that uses this function, and I can't figure out why
> > xchat doesn't work, but I was able to figure out there is a bug in Perl
> > 5.6 related to the DynaLoader and shared objects.
> > 
> > Joe
> 
> Here is a summary of what I think needs to be done to get the perl.so
> plugin to work for xchat2:
> 
>   # pkg_delete perl-5.6.1_15
>   # cd /usr/ports/lang/perl5.8 && make install clean
>   # use.perl port
>   # portupgrade -f 'xchat2'
> 
> I don't think any of the perl modules show Perl as a dependency
> but the paranoid side of me is nagging me that maybe they should
> be updated like:
> 
>   # portupgrade -fr 'p5-*'
> 
> Would this be necessary after changing Perl versions? 

Yes, definitely.

>  
> On a similar note, I started checking run dependencies for xchat2
> and ran into some disparities between different sources of
> information which I'm at a loss to explain.
> 
> My 4-STABLE box (ports updated 28 Apr 04) "make run-depends-list"
> shows no dependencies on either Perl or Perl modules.  The online
> ports tree shows a dependency on p5-XML-Parser-2.34_1 but not Perl:
> 
> http://www.freebsd.org/cgi/ports.cgi?query=xchat2&stype=all&release=4.9-STABLE%2Fi386
> 
> My 5-CURRENT box (ports updated 20 Apr 04) "make run-depends-list"
> shows a dependency on /usr/ports/lang/perl5 (not perl5.8).  Again
> the online ports tree is different and shows p5-XML-Parser-2.34_1
> and perl-5.8.2_5 as dependencies:
> 
> http://www.freebsd.org/cgi/ports.cgi?query=xchat2&stype=all&release=5.2-CURRENT%2Fi386
> 
> I can perhaps understand that there may be differences between 
> INDEX and INDEX-5 for the different branches, but I would think that
> the online information should agree.  Needless to say, it has left
> me in a somewhat confused state.
> 
> Can these differences be accounted for?

This is because 4.X ships with a default version of Perl.  Granted, this
isn't the desired behavior, but that's where things stand right now.

Joe

> 
> Thanks,
> 
> Randy
-- 
PGP Key : http://www.marcuscom.com/pgp.asc


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