[vtk-developers] License: Qt stuff in VTK

[Wagner Sales]

Hi Berk,

Currently I'm using Qt 4.5 with VTK 5.4 branch with success. In addition,
I'm using VTKEdge too. Of course, that's not a complete valid test, but can
tell this migration probably will be smooth.

Regards,

Wagner

2009/3/18 Berk Geveci <berk.geveci at kitware.com>

> Yes, you can. The only issue we had was related to the use of
> templates in Qt, which tends to confuse things when it comes to LGPL.
> Nokia has the following LGPL exception that resolves this.
>
> Nokia Qt LGPL Exception version 1.0
>
> As a special exception to the GNU Lesser General Public License
> version 2.1, the object code form of a "work that uses the Library"
> may incorporate material from a header file that is part of the
> Library.  You may distribute such object code under terms of your
> choice, provided that the incorporated material (i) does not exceed
> more than 5% of the total size of the Library; and (ii) is limited to
> numerical parameters, data structure layouts, accessors, macros,
> inline functions and templates.
>
> However, let's wait a bit longer before opening the flood gates. The
> right thing to do is for VTK to require 4.5 as those developing with
> the LGPL version will not be able to test with previous versions. We
> are not ready for requiring 4.5, I don't think.
>
> -berk
>
> On Tue, Mar 10, 2009 at 8:30 AM, Mathieu Malaterre
> <mathieu.malaterre at gmail.com> wrote:
> > Hi there,
> >
> >  i haven't seen any update on the VTK/Qt licensing issue now that Qt
> > is being released under LGPL. Could someone shed some light on it.
> > Using a LGPL version of Qt can I now commit stuff ?
> >
> > Thanks,
> > --
> > Mathieu
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