Re: KOffice:: Krita TRUNK vs. Eigen

On Wed, 10 Sep 2008, James Richard Tyrer wrote:

> I have not been able to build Krita TRUNK for some time due to problems 
> with Eigen.
> 
> My current error is:
> 
> /usr/SVN/trunk/koffice/krita/image/kis_image.cc:934:2: warning: #warning 
> "KisImage::convertToQImage: Implement direct rendering of current mask 
> onto scaled image pixels"
> In file included from 
> /usr/SVN/trunk/koffice/krita/image/kis_perspective_grid.h:27,
>                   from /usr/SVN/trunk/koffice/krita/image/kis_image.cc:64:
> /usr/SVN/trunk/koffice/krita/image/kis_perspective_math.h:31: error: 
> expected initializer before '<' token
> 
> Line 31 is:
> 
> typedef Eigen::Hyperplane<qreal, 2> LineEquation;
> 
> I can't find: "Hyperplane" in the Eigen which I have installed. :-|
> 
> Is there some specific version of Eigen that I need to use?  Currently, 

You need eigen2 from kdesupport, not eigen. This has been extensively disccused
on the koffice-devel mailing list and also noted in commit messages.

Boudewijn

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