Re: imlib and libpng
On Sun, Jul 14, 2002 at 12:25:39AM -0400, Havoc Pennington wrote:
> "Steve M. Robbins" <email@example.com> writes:
> > About the new SONAME for imlib. It would be nice if we had
> > cooperation across distributions about this. I've emailed upstream a
> > few times over the the last month or two about picking a standard
> > soname, but have heard nothing back. For their "rawhide", RedHat went
> > ahead and linked in libpng3 *without* changing the SONAME. So I think
> > we can kiss cross-distribution compatibility goodbye.
> Note that we went to some care to maintain the ABI of gdk_imlib, by
> forcing it to load libpng with private symbols.
Yes, true. That is very clever. Nevertheless, REMOVING some symbols
is a change of the ABI. I thought it best to change the SONAME of
gdk_imlib to reflect that. If I have to change the soname anyway,
then why not leave the symbols in gdk_imlib?
> For plain imlib, my basic sentiment is that it's barely maintained,
> deprecated, not used by many things, and not a very good library...
You are likely right about this, and I suspect the same applies
to gdk_imlib as well. Nonetheless, it is imlib that is being
used in some KDE apps, as I understand it.
> its non-maintenance is why this problem exists, since the real
> solution here is for upstream to release a parallel-installable new
> version that uses libpng3.
Yes: change the SONAME, and the libraries are parallel installable!
Well, I suppose you meant the developer packages, too. That would
be nice, but that's a separate discussion. The binary libraries are
parallel installable by design -- as long as the SONAMEs differ.
> Still the soname probably should be incremented. I can do that still,
> rawhide is just a beta, it's not released.
Great! How about we bump it to "2", then. If you agree, I'll stick
the patches (trivial changes to Makefile.am & configure.in) into
bugzilla over the weekend.
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