APNG patch for graphics/png port

[Jeremy Messenger]

On Sun, 14 Dec 2008 12:22:34 -0600, Coleman Kane <cokane at freebsd.org>
wrote:

> Hello,
>
> I recently played with building Thunderbird 3.0b1 from source (it works
> pretty well, btw). I was playing with some of the options to enable
> using the system versions of a number of libraries, rather than relying
> upon statically linking them into the project.

We should keep compile static link, because PNG folks disapprove Mozilla's  
APNG patch. It's what we did with Firefox 3.

Cheers,
Mezz

> One thing that I noticed was the APNG patch from here:
>   * http://littlesvr.ca/apng/.
> This seems to be expected by Thunderbird and is part of the latest
> source tree. Mozilla has been maintaining a format spec here:
>   * https://wiki.mozilla.org/APNG_Specification
>
> Sadly the patch has lagged behind the latest releases of libpng. I
> merged the patch into the latest version (1.2.33) that we use, and have
> made an appropriate change to the port files of graphics/png. I think
> that APNG support from libpng may be useful in other software as well.
>
> I am attaching the patch, to apply in /usr/ports, for anyone to test. So
> far it doesn't seem to regress anything for me, and I can use
> thunderbird 3 with --with-system-png=/usr/local in my .mozconfig. I'd
> like to see some other testers, and get a comment from the graphics/png
> maintainer.


-- 
mezz7 at cox.net  -  mezz at FreeBSD.org
FreeBSD GNOME Team
http://www.FreeBSD.org/gnome/  -  gnome at FreeBSD.org