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Date: Sun, 18 Sep 2011 16:48:26 -0400
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Subject: Re: [gentoo-user] Updating libpng: another libtool cockup?
From: Michael Mol <mikemol@gmail.com>
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On Sun, Sep 18, 2011 at 4:10 PM, walt <w41ter@gmail.com> wrote:
> I just did a routine update on my ~amd64 machine and saw the portage
> warning that libpng14 has been replaced by libpng15, and I should run
> revdep-rebuild --library '/usr/lib/libpng14.so' and then delete the
> obsolete library.
>
> That's what I did. =C2=A0I confess I wasn't watching, so I may have misse=
d
> some important errors during the run.
>
> After that I ran plain revdep-rebuild as I do after every update, and
> saw that two gnome packages failed to rebuild properly because lpng14
> couldn't be found :/
>
> From painful experience I've learned that good-old libtool files (*.la)
> are the usual suspects, and grep found -lpng14 in about ten .la files
> even after both revdep-rebuilds. =C2=A0Grrr!
>
> This fixed the problem for me (as similar moves have done in the past):
>
> #find /usr/lib64 -name \*.la -exec sed -i s/png14/png15/ '{}' ';'
>
> I ran revdep-rebuild again and the two broken packages emerged nicely
> this time.
>
> I hope no one else will hit this problem, but at least this is a good
> workaround if you do.

If you're not following Diego Petten=C3=B2's blog, you probably should. .la
files are one of the things he harps on in his blog.

http://blog.flameeyes.eu/

--=20
:wq