bugman wrote in Fri May 01, 2015 11:47 am:Therefore you are free to absorb into FGMEMBERS almost all aircraft ever created for FlightGear! You can fork all aircraft with open source licences (GPL, Creative Commons, MPL, MIT, etc), public domain, as well as some proprietary planes into FGMEMBERS. You are completely free to incorporate all private hangers - FGUK, Lake Of Constance, PAF, etc. I.e. absolutely everything listed at
http://wiki.flightgear.org/FlightGear_hangars can be brought into FGMEMBERS!
Regards,
Edward
Dear Ed.
Thanks for this message. It is very insightful.
I have thought about it. Back and forth bouncing my mind.
I know that I could re-distribute any material with allowed "copy/modify/redistribution" clauses. This includes, as an example all the variety an arrays of Creative Commons Licenses.
The point that have made me re-consider, really, is the fact that I use "the submodules" to repopulate the FGDATA with submodules repository.
You can see that Flightgear project, and inclusive FGDATA is covered broadly under GPL license. Thus all content within FGDATA is also covered this way. If I were to add repositories with an array of "free source" licenses, then the FGDATA next with submodules may be stepping beyond some legal boundary :"Example, re-licensing material that is CC under a source fully covered as GPL could be considered as re-licensing, and that may have broader legal impact.
I had thus preffer the KISS approach. By trying to guarantee all the FGMEMBERs area remains fully GPL, I think is easier to me to consider GPL compliant, when I add a submodule over FGDATA next with submodules. If something slips, I could withdraw non-GPL material if requested by the author.
I am sending requests to indivual authors that have CC material, such as Buckaroo, Prestes, Omega95 and others to consider re-releasing under a GPL clause. But when I face with a negative, I found heartache, but again, I preffer the simpler all here is GPL appproach.
So, it has nothing to do with "github", but with "flightgear" licenses; really.
In the case of Lake of Constance; Mark was very understanding of the goals and purposes of FGMEMBERs and accepted a re-release under GPL of all his previously un-licensed material. Besides he decided to join the crew, because he saw that FGMEMBERS provided him with advantages.
If we gave everybody in the World free software today, but we failed to teach them about the four freedoms, five years from now, would they still have it? Probably not, because if they don’t recognise their freedoms, they’ll let their freedoms fall