Hi Silviana,
Qt is in fact open source [1] and uses optionally the LGPL or the GPL [2].
Neither prevents your work from being open source no matter how you link, the
only problem might arise if you want to develop closed source software linking
statically using the LGPL (or any way using the GPL).
You might want to check [3] to use as a reference for the more commonly used
open source licenses.
Regards,
Caspar
[1] http://qt-project.org/wiki/Get_The_Source
[2] http://qt.digia.com/licensing
[3]
http://en.wikipedia.org/wiki/Comparison_of_free_and_open-source_software_licenses
Von: silviana Orivera [mailto:[email protected]]
Gesendet: Donnerstag, 17. Januar 2013 10:15
An: [email protected]
Betreff: [mitk-users] Using QT with MITK
Hi All,
I have some question regarding the license of MITK, please be aware that I'm
quite new to all those 'license' issues.
I understood that MITK is an open source, but Qt has GPGL license.- how it
comes? if MITK use QT(which is not an open source->MITK should not be an open
source).
Is there any way to use QT using its open source form- is it related to the
configuration process of MITK by cmake?
I complied MITK, and found that ExtApp use dependencies of QT such as:
C:\Qt\4.7.3\lib\QtCored4.lib
C:\Qt\4.7.3\lib\qtmaind.lib
It means that this is a static linkage and thus QT's GPGL license? should I
change the dependencies to the equivalent .dll files such as qtCore4.dll and
this will serve my aim to use only open sources?
Best,
Silvian
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