Re: [gentoo-user] Re: libpng12 is missing

[Paul Hartman <paul.hartman+gentoo@gmail.com>]

On Tue, May 11, 2010 at 10:25 AM, Rudmer van Dijk
<rudmer.van.dijk@casema.nl> wrote:
> On Tuesday 11 May 2010, Paul Hartman wrote:
>> On Mon, May 10, 2010 at 5:27 PM, Volker Armin Hemmann
>>
>> <volkerarmin@googlemail.com> wrote:
>> > On Sonntag 09 Mai 2010, Rudmer van Dijk wrote:
>> >> On Sunday 09 May 2010, Volker Armin Hemmann wrote:
>> >> > On Sonntag 09 Mai 2010, Rudmer van Dijk wrote:
>> >> > > On Sunday 09 May 2010, walt wrote:
>> >> > > > This looks to me like a major portage screwup.  I see that on my
>> >> > > > ~amd64 machine I have both versions of libpng, but the 1.2.43-r1
>> >> > > > doesn't install a pkg-config file because 1.4.2 installs one with
>> >> > > > the same name, and just as bad, version 1.2.43-r1 removed the
>> >> > > > libpng12 header files.
>> >> > > >
>> >> > > > For now, I'd suggest just going back to to 1.2.43 if you can --
>> >> > > > maybe mask
>> >> > > >
>> >> > > >  >1.2.43 in package.mask?
>> >> > > >
>> >> > > > Meanwhile I'm trying to fix firefox so I can read the bug report
>> >> > > > mentioned by Andras.
>> >> > >
>> >> > > well I'm getting into a .la hell...
>> >> > > you need to rebuild packages which are themselves not invalid and
>> >> > > therefore can't be found by revdep-rebuild...
>> >> > >
>> >> > > searching with "grep png12 `find /usr/lib64/ -name '*.la'`" lists
>> >> > > all .la files with a bad png version, rebuilding those will fix the
>> >> > > system. after that all packages found by revdep-rebuild can be
>> >> > > emerged.
>> >> > >
>> >> > >   Rudmer
>> >> >
>> >> > run la fixer
>> >>
>> >> ah, yes I knew there was something easier 8-)
>> >> well running `lafilefixer --justfixit` did not find anything so I got
>> >> them all
>> >>
>> >> thanks!
>> >>
>> >>       Rudmer
>> >
>> > sadly, it does not get them all.
>> > The only save way:
>> > grep -R for png12 and remerge all packages whose files pop up.
>> >
>> > For example revdep-rebuilt failed to rebuild pygtk - because of glade.
>> > But it never tried to rebuild glade...
>>
>> In my box (~amd64, unmasked portage) emerge automagically slotted 1.2
>> and emerged 1.4 in slot 0. And everything seems to work and be happy.
>> revdep-rebuild finds nothing wrong. So maybe the easy fix is to
>> "emerge libpng:1.2"?
>
> yeah, thats what I have now... I still need png 1.2 for VMware Player.
>
> but in my case, I had 1.2.43-r2 which is in slot 0?!
> so on install of 1.4.2 it deinstalled the 1.2.43-r2 version. manually
> installed 1.2.43-r1 to get 1.2 back.

You're right, in fact after updating again it wanted to downgrade
because of nxserver... So I masked 1.2.43-r2 and now everyone is happy
again.