On Wed, Jan 16, 2013 at 01:02:57PM +0100, Michael Stahl wrote:
> On 15/01/13 20:04, Xose Vazquez Perez wrote:
> > On 01/15/2013 01:01 PM, Adam Tkac wrote:
> > 
> >> Another interesting thread is
> >> http://sourceforge.net/mailarchive/message.php?msg_id=30352453
> >>
> >> We are currently discussing drop of the
> >> https://fedoraproject.org/wiki/Features/libjpeg-turbo-jpeg8-ABI feature 
> >> because
> >> SmartScale encoding (only reason of the jpeg7 and jpeg 8 ABI bumps) was 
> >> rejected
> >> by ISO and actually doesn't bring any benefit over widely used png/webp 
> >> codecs.
> >>
> >> So Fedora will probably stick with old jpeg6 API/ABI unless IJG maintainer
> >> reveals some new facts about SmartScale. All facts are currently against
> >> SmartScale (image quality/size, compression/decompression speed).
> > 
> > Upstream Tracker shows 0% of binary compatibility with previous
> > releases: http://upstream-tracker.org/versions/libjpeg.html
> > 
> > I hope other distributions don't use that release.
> 
> FWIW i'm afraid i've had to build jpeg8 from source already to get a
> certain binary [1] built on Ubuntu to run on Fedora 17...
> 
> [1] actually a git repo full of binaries:
>     https://wiki.documentfoundation.org/Bibisect

I read the link and it seems libjpeg62 is sufficient (i.e. jpeg6 ABI) for 
bibisect. So
you should not need jpeg8 ABI.

Regards, Adam

-- 
Adam Tkac, Red Hat, Inc.
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