[postgis-tickets] [PostGIS] #2515: change licensing to GPL2+

[PostGIS]

#2515: change licensing to GPL2+
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 Reporter:  strk     |       Owner:  pramsey
     Type:  task     |      Status:  new    
 Priority:  medium   |   Milestone:         
Component:  postgis  |     Version:  2.0.x  
 Keywords:           |  
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Comment(by VincentP):

 Note that some former versions of CGAL where licenced under a LGPL 2
 licence, which is compatible (see [1]). They switch to LGPL3+ as a second
 step, I do not know the reason.

 If we want to solve that problem on the CGAL side we can :

 1/ base SFCGAL on one former CGAL version licenced as LGPL 2

 2/ Try to convince CGAL folks to go LGPL2+

 As for 1, it's not a good idea, as it would result as a fork, which is not
 something we can really cope up with in the long term.

 As for 2, no idea of the general opinion of CGAL people on that. It may be
 worth asking, if they changed the licence in the past they can probably do
 that again easily. Then it's a matter of willing to do it.

 Globally, it would be a good idea to have PostGIS under a more permissive
 licence now that it's a well-established project, that would ease this
 kind of inter-opensource software compatibility.

 [1] :
 https://web.archive.org/web/20120103081831/http://www.cgal.org/license.html

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2515#comment:4>
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