[vtk-developers] Fwd: License: Qt stuff in VTK

Wagner Sales wsales at gmail.com
Wed Mar 18 12:29:46 EDT 2009


---------- Forwarded message ----------
From: Wagner Sales <wsales at gmail.com>
Date: 2009/3/18
Subject: Re: [vtk-developers] License: Qt stuff in VTK
To: Berk Geveci <berk.geveci at kitware.com>


Hi Berk,

Currently I'm running on Kubuntu 8.10. I compiled Qt on my machine, wich are
32 bits.


Regards,

Wagner

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

> Hi Wagner,
>
> Which OS are you running on?
>
> -berk
>
> On Wed, Mar 18, 2009 at 11:42 AM, Wagner Sales <wsales at gmail.com> wrote:
> > 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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