Re: libltdl obscures error messages

[Gary V . Vaughan]

On Friday 27 July 2001 11:17 pm, Marius Vollmer wrote:
> Gary V.Vaughan <address@hidden> writes:
> > WHat about having lt_dlinit() deiberately try to load a non-existent
> > file directly through each active loader, and storing the error
> > message the system returns?  Subsequent calls to lt_dlopen then have
> > a reference error to compare against...
>
> Unless someone fiddles with the locale along the way.  The reference
> error message could also include the filename (which it atually does
> with recent versions of GNU/Linux dlopen, I think), so we would have
> to cleverly mask that out.

Good point.  But doable none the less.

> All in all, I don't think this would be
> better than relying on dlopen to set errno to ENOENT, if only by
> accident.  We can lobby the implementors of dlopen to fix this
> behavior.

Unfortunately, libtool is all about hiding such brokenness from the user.  
Even if Windows, BeOS, HP-UX and all the different dlopen implementations 
were fixed tomorrow, that doesn't help the people still running the old 
version.  And we can't expect them all to upgrade...

Prost!
        Gary.
-- 
  ())_. Gary V. Vaughan     gary@(oranda.demon.co.uk|gnu.org)
  ( '/  Research Scientist  http://www.oranda.demon.co.uk       ,_())____
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