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Date:      Mon, 14 Feb 2000 09:26:02 -0800
From:      Gary Kline <kline@tao.thought.org>
To:        Satoshi Asami <asami@cs.berkeley.edu>
Cc:        ports@freebsd.org
Subject:   Re: PR ports/16672
Message-ID:  <20000214092602.A68664@tao.thought.org>
In-Reply-To: <200002140612.WAA14541@silvia.hip.berkeley.edu>; from asami@cs.berkeley.edu on Sun, Feb 13, 2000 at 10:12:11PM -0800
References:  <200002140612.WAA14541@silvia.hip.berkeley.edu>

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On Sun, Feb 13, 2000 at 10:12:11PM -0800, Satoshi Asami wrote:
> Hi,
> 
> Authors of giflib are recommending switching over to libungif, which
> only creates uncompressed (i.e., not using LZW compression) GIFs to
> avoid infringing on Unisys's patent claims.
> 
> Here are some related URLs:
> 
>   http://prtr-13.ucsc.edu/~badger/software/libungif/
>   http://prtr-13.ucsc.edu/~badger/software/libungif/giflib.shtml
>   http://www.cloanto.com/users/mcb/19950127giflzw.html
> 
> I think we should remove the giflib port and change the
> giflib-requiring ports to depend on libungif.  The current version of
> libungif is supposed to be API-compatible with the last giflib, so
> programs that use giflib should work (theoretically) by just
> recompiling.
> 
> What do you guys think?  If this is ok I'll go change all the
> LIB_DEPENDS lines to point to libungif so we can fix things that break
> before the freeze.
> 

	I think that the further away we can stay from LZW, the 
	better.  --Q:  Are there alternatives??

	gary



-- 
   Gary D. Kline         kline@tao.thought.org          Public service Unix



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