Changing GPGME's license

[Ian Jackson]

Bernd Eckenfels writes ("Re: Changing GPGME's license"):
> On Mon, Jul 21, 2003 at 03:47:35PM +0100, Ian Jackson wrote:
> > I had a bit of a go at drafting such a limited licence change for
> > adns, but I stopped when the main enquirer who was asking turned out
> > not to be serious about the amount of money involved.
> 
> It wont wortk with a limited LGPL, AFAIK LGPL does not allow limitations.
> But you can have a dual commercial license to do this, just like MySQL is
> doing with the client libs. But this only works if you own all the code, and
> do not use any GPLed code inside of it.

You could write a licence that is like LGPL but only for mixing with a
particular product, and otherwise GPL.  Such a licence would be both
LGPL- and GPL-compatible.

You do indeed have to own the copyright if you're going to invent your
own licence.