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

[Rudmer van Dijk <rudmer.van.dijk@casema.nl>]

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.

	Rudmer