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Bug#614345: pu: package libpng/1.2.44-2

On Sun, Feb 27, 2011 at 08:36:45PM +0100, Julien Cristau wrote:
> On Sun, Feb 27, 2011 at 11:30:44 -0800, Steve Langasek wrote:

> > On Sun, Feb 27, 2011 at 08:03:12PM +0100, Julien Cristau wrote:
> > > (Incidentally, for some reason my system seems to still have a
> > > /usr/lib/libpng12.so.0, unknown to dpkg.  Not sure where that comes
> > > from.)

> > That seems to be courtesy of ldconfig.  If you have libpng-dev installed,
> > ldconfig finds .so files in the directory with an soname of 'libpng12.so.0',
> > doesn't find a file of that name in the directory, so creates a symlink...
> > even though this was already available in /lib.

> Ah, thanks.

> > I'd say this is misbehavior on the part of ldconfig since there's no need
> > for this symlink and no way to get around its creation AFAICS.

> In which case the /usr/lib/libpng.so.3 → libpng12.so.0 symlink isn't
> actually broken (once ldconfig runs anyway) so this update isn't
> necessary?

*only* if you have libpng-dev installed does ldconfig create the symlink. 
Otherwise there's no target in /usr/lib for it to point to.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek@ubuntu.com                                     vorlon@debian.org

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