libpng deletion and libpng3 -> libpng renaming

Reinhard Tartler siretart at
Fri Jan 13 13:12:29 GMT 2006

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

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...

Reinhard Tartler <siretart at>
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