[Gambas-devel] GPL related question

[Rob]

On Monday 25 August 2008 08:29, David Villalobos Cambronero wrote:
> Well, if you want proprietary software you have to pay... You need to buy a
> QT Licence or GTK, and any other lib that you use. If the software will be
> OpenSource you won't have any problem. 

Well, again, not all free software or open source licenses are compatible with 
GPLv3.  It may be that all the libraries used by Gambas components already 
are, but I would check that before I released anything.

> But, as I told you if you need a 
> proprietary one, you need to buy several things, and of course give some
> money to Benoit :-)

You can develop a proprietary command-line program in Gambas without paying 
anyone for anything.  I think you could even develop a proprietary gb.gtk 
program because Gtk is LGPL (can be linked against proprietary code.)  But 
that's something the company wanting to release the code would have to verify 
for themselves.

But yes, if you were writing a Gambas program that used Qt and you wanted it 
to be proprietary, you'd have to pay Trolltech for a commercial license.  I 
think the same may be true of MySQL.

Rob