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Re: GPL licenced Java application using non GPL jars (libraries)

From: Rui Miguel Silva Seabra
Subject: Re: GPL licenced Java application using non GPL jars (libraries)
Date: Mon, 22 May 2006 21:57:54 +0100

Seg, 2006-05-22 às 20:55 +0100, Ben escreveu:
> The risk lies in that the GPL may be make GPL the libraries my code uses 
> - that are under different licences.
> This would mean that any recipient of my GPL code could also assume 
> those associated libraries are GPL (when clearly they may not be)
> This is what concerns me, unless you can prove otherwise.
> For what its worth I'm also now looking at using the CPL instead.

That's a not very safe way of doing it.

I strongly suggest you use the GNU GPL with an additional exception
clause, for instance:

        This program is licensend under the GNU GPL (bla bla...) and
        I also allow you to link my program with library X, licensed
        under the Apache Software License 2.0.

See? Easy, no? And the GNU GPL is better understood and will allow you
to link your software with other GPL'ed software (+- 80% of Free
Software, if you add to it the Lesser GPL'ed software), whilst with CPL
you will not be able to license your program at all with the ASL 2.0,
but _ALSO_ you will exclude your program from sharing code with +-80% of
Free Software.

That's not very sane. Here's another text you can read on why it's good
to have GNU GPL compatibility, by David Wheeler:



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