libpng deletion and libpng3 -> libpng renaming

[Reinhard Tartler]

adam, you told me on irc that you wanted to take a look at this. any
progress?

On Fri, Jan 13, 2006 at 02:12:29PM +0100, Reinhard Tartler wrote:
> Am Freitag, den 06.01.2006, 01:57 +0100 schrieb Lucas Nussbaum:
> > I noticed that the libpng source package was removed in Debian, and that
> > the libpng3 source package was removed to libpng. Ubuntu Dapper still
> > has libpng3 and libpng.
> > 
> > Maybe an ubuntu-core-dev could fix this and rebuild the necessary
> > packages ? It's better to avoid source package name differences between
> > Ubuntu and Debian since it makes it hard to track changes.
> 
> For faster reference, this is #338016
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=338016
> 
> From the bug:
> 
> >> On Mon, Nov 07, 2005 at 09:05:16PM +0100, Josselin Mouette wrote:
> >> > Please remove the libpng3 source package, and the remaining libpng3-dev 
> >> > binary package. Other binary packages are now provided by the libpng 
> >> > source.
> >> 
> >> Tons of packages still (build-)depend on it. How about some sort of
> >> migration plan? Currently, removing this would break too much.
> >
> >Currently, libpng3-dev is provided by the libpng12-dev binary package. I
> >have ensured that there is no more package with a versioned
> >build-dependency on libpng3-dev. Unless I'm mistaken, the remaining,
> >non-versioned build-dependencies should be handled gracefully by APT and
> >build daemons.
> 
> This is not yet the case for the libpng we currently have in dapper. In
> order to avoid unnecessary divergence I'd suggest that libpng is synced
> first, and remove the old libpng3 package.
> 
> Does anyone know if there is any reason to not sync libpng from
> unstable? the changelog suggests it should be safe...
>