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Re: Forking and relicensing issues (different)

On Mon, May 10, 1999 at 09:37:07AM -0400, Collins M.  Ben  wrote:
> On Mon, May 10, 1999 at 09:22:18AM -0400, Nils Lohner wrote:
> > I have a question along the same lines, but in a different area.  I'm pretty 
> > sure situations like this have come up before, but I don't know how they 
> > were handled.  This is just from a discussion I had with someone.
> > 
> >   Can you take GPL'ed code and use it with a closed source program?  i.e. 
> > take the GPL'ed program do_everything and someone wants to write a library 
> > for it that's do_one_more_thing but keep the library closed, is that OK?  If 
> > they want to distribute and sell that, they distribute the source code to 
> > the GPL part (with modifications), and the binary (executable), right?  I 
> > would assume it is, but modifications etc. to the original GPL code must be 
> > made public.  Am I missing something here, or is that about the extent of 
> > it?  Or is that illegal under the GPL and the entire source code must be 
> > made public because its used with some GPL'ed code?
> I suggest going to ftp.be.com and checking out the /pub/gnu directory.
> They have done exactly this with their boot loader. It uses some parts of
> the Linux kernel (those parts are released in source), and some parts are
> proprietary (thos parts are only in .o object format). So you can
> conceivably rebuild the boot loader with the source and objects provided.

I think NeXT tried to do this and ended up releasing the full source to
their Objective C compiler. 

Brian Ristuccia

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