[JDEV] Modification to running jabberd on Mac OS X

[Thomas Muldowney]

I just put this in CVS, and it will be integrated into 1.4.3 with some
other small, but important, fixes.

--temas


On Sat, 2002-04-13 at 06:48, Max Horn wrote:
> At 17:35 Uhr -0700 12.04.2002, Sean Voisen wrote:
> >After quite a bit of pain, I successfully got jabberd 1.4.2 running 
> >on Mac OS X.  I was having problems with the dlcompat library 
> >packaged with fink.
> 
> Note that the olde ones were also packaged with Fink at some point, 
> and all the dlcompats versions you see out there are probably based 
> on us :-)
> 
> 
> >For some reason the older dlcompat version 20020120 works, while the 
> >newer 20020322 does not.  I'm not sure why - but if anyone is able 
> >to succeed with the newer version, I'd like to know.
> >
> >Just thought any Mac developers might find this useful.
> 
> Most interesting. We (or rather Jorge and Peter) have rewritten 
> dlcompat from scratch in the newer releases, adding some features.
> 
> But I can reproduce your problem over here when trying to run jabberd 
> with the new dlcompat:
> 
> >Loading ./jsm/jsm.so failed: 'dlcompat: unable to find symbol "__init"'
> 
> 
> What happens is this: jabberd tries to dlopen jsm.so in 
> jabberd/load.c, function load_loader(). Now our dlopen method works 
> fine, but in the end, it tries to run an "_init" method, if existing, 
> from the module. This function is not there, so  _init() is not 
> called - fine. Only that we use dlsym to retrieve the symbol, which, 
> upon failing, sets the error string used by dlerror. Not good, since 
> now we indicate an error occured! A clear bug, I think
> 
> OTOH, this is also a bug in Jabberd, since it relies on dlerror to 
> detect an error - but it should rather check the return value of 
> dlopen, and only if that is NULL, should it call dlerror()!
> 
> 
> Thanks Sean, we'll look into it, and if Peter agrees, will release a 
> fixed version ASAP. I hope jabberd will also be fixed soon, too :-)
> 
> 
> Max
> -- 
> -----------------------------------------------
> Max Horn
> Software Developer
> 
> email: <mailto:max at quendi.de>
> phone: (+49) 6151-494890
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