[vtk-developers] License: Qt stuff in VTK

[Berk Geveci]

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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