Hi, On 25/05/2016 12:39, Even Rouault wrote: [..] > <my ow opinion, not pretending this is the project one> > > Technically you could licence the plugin with any license you want, but as > soon you execute it against QGIS, it must be compatible of GPL v2+, since it > is a derived work of QGIS GPLv2 code, and thus it must convey the same rights > and obligations offered and constrained by the GPLv2 license. > So you could also licence it under X/MIT, BSD 2/3 clauses or which ever other > free licences that are compatible with GPLv2+. > It cannot be under a proprietary license, because GPLv2 would impose to have > access to the source code. > > The only cases where it makes sense in practice to have a plugin under a > permissive license are : > - imagine that someone would reimplement a QGIS alternative that would have > the same API as QGIS but would be more permissively licensed, then it could > make sense to have your plugin under that permissive license. > - a more reasonable use case would be a plugin that would be compatible of > QGIS and another proprietary GIS through some abstraction layer of their > different APIs. The core of your plugin could then be permissively licensed > to > be compatible of both licensing models. > > </my ow opinion, not pretending this is the project one>
I do agree with this analysis. Note that as for the Nvidia case mentionned, the Linux kernel has an exception to GPL for proprietary modules. Not sure it plays a role on the issue you mentionned, but it may be a strong difference with other software which do not have this exception. Vincent > >> >> On Wed, 25 May 2016 8:01 pm Paolo Cavallini <[email protected]> wrote: >>> Il 25/05/2016 11:42, Tom Chadwin ha scritto: >>>> I guess I am just sceptical that GPL's requirement for GPL licensing of >>>> a product, purely by virtue of importing the first product as a >>>> library, is likely to hold much legal weight. >>> >>> We asked for legal advice, and that was the official response. >>> All the best. >>> >>> -- >>> Paolo Cavallini - www.faunalia.eu >>> QGIS & PostGIS courses: http://www.faunalia.eu/training.html >>> _______________________________________________ >>> Qgis-developer mailing list >>> [email protected] >>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer >>> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer > _______________________________________________ Qgis-developer mailing list [email protected] List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer
