Bug#642265: libgdk-pixbuf2.0-dev build-deps require old libpng12-dev package

[Tobias Frost]

Am Freitag, den 18.12.2015, 19:45 +0100 schrieb Michael Biebl:
> Am 18.12.2015 um 18:42 schrieb Tobias Frost:
> > Source: gdk-pixbuf
> > Followup-For: Bug #642265
> > 
> > Dear Michael,
> > 
> > please consider updating the alternate B-D of libpng-dev from
> > libpng12-dev to
> > libpng16-dev to faciliate easier compiling against the newer libpng
> > from
> > experimental, helping the transistion.
> 
> For that I'd like to see a credible transition plan first, before
> doing
> any changes.
> 
> What I remember from the libpng transition is, that so far it's been
> planned and executed poorly [1].

Currently its libpng-dev | libpng12-dev; as you know the buildds will
anyway always take the first option, so there this is a noop anyway.
(libpng-dev is provided by libpng12-dev)

But it helps (a little) when trying to compile packages against the
newer library...

> Regards,
> Michael
> 
> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=673542