On Wed, 2012-08-01 at 02:17 -0400, Tom Lane wrote:
> I have been working for the better part of a year on moving Fedora off
> of libpng's obsolete 1.2.x release series and onto the current 1.5.x
> series. We are practically there now, and I had hoped to drop libpng
> 1.2 from the distribution before the F18 branch. However, I find that
> redhat-lsb-desktop still has a dependency on 1.2, and it's not even
> because that package contains any PNG-using code; rather, there's a
> manually inserted version-specific dependency in the specfile:
>
> %ifarch %{ix86}
> Requires: libpng12.so.0
> %endif
> %ifarch x86_64
> Requires: libpng12.so.0()(64bit)
> %endif
>
> This is unlike that specfile's treatment of any other library
> it requires. I have been told, at
> https://bugzilla.redhat.com/show_bug.cgi?id=835777#c8
> that the LSB standard requires libpng 1.2, but without any supporting
> evidence. I looked at the underlying ISO documents and don't see any
> requirement for libpng at all, let alone 1.2 in particular. I am
> doubtful that every other Linux distro is maintaining this long-obsolete
> libpng version, too.
>
> I would like to know how to proceed here. "You should keep libpng 1.2
> around indefinitely, on the basis of no evidence" is not an answer
> I intend to accept.
A very quick search returns this:
http://refspecs.linuxbase.org/LSB_4.1.0/LSB-Desktop-generic/LSB-Desktop-generic/libpng.html
in the 'desktop' section of LSB 4.1. I'm looking at it more closely now.
--
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora
http://www.happyassassin.net
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