[ptx] lzw compression unavailable due to unisys patent enforcement

[Rich]

Pablo dAngelo wrote:
> Hi Rich,
> 
>> aieeeiaieeaa.
>> have i missed something ? at which point has this been disabled ? did 
>> unisys approach hugin developers ?
> 
> No, AFAIK, the patent has expired last year.
> Are you using hugin on Windows or linux? The windows builds should support LZW. On linux it depends on how the libtiff package was compiled. For OSX, I don't know if its enabled in the Binary.

oh. linux. that seems strange, as it worked fine before (using
slackware-shipped libtiff).
i'll try poking slackware then, thanks :)

> Btw. Thanks to Ippei for providing the OSX binary. Is it a universal binary?
> 
> ciao
>   Pablo
...
-- 
  Rich