[Zope] Re: Using GPL'd modules with Zope?

[Derek Basch]

Evan,
Once again, I have answered my own question. From the
GNU website FAQ:

What does it mean to say a license is "compatible with
the GPL".

It means that the other license and the GNU GPL are
compatible; you can combine code released under the
other license with code released under the GNU GPL in
one larger program. 
The GPL permits such a combination provided it is
released under the GNU GPL. The other license is
compatible with the GPL if it permits this too.

So, any combination of GPL and non-GPL code must be
released (published) under the GPL. The ZPL is
'compatible' because it does not prohibit adding the
GPL to code originally covered under the ZPL.
Cheers,
Derek Basch


--- Evan Simpson <evan@4-am.com> wrote:
> Derek Basch wrote:
> > Everyone seems to disagree but it looks like I
> cant
> > use GPL'd Products without GPL'ing the entire zope
> > installation. Anyone care to dispute this?
> 
> I certainly will.  The GPL doesn't kick in unless
> you are *distributing* 
> the GPLed code, and using it to run a website
> doesn't count as 
> distribution.  You can *use* GPL'd Products with
> Zope, Apache, or even 
> totally closed binaries.
> 
> Of course, if you *are* planning on packaging up
> GPL'd code with Zope or 
> other code and selling/giving the combination away,
> you do need to be 
> sure all of the licences are compatible (Zope 2.5+'s
> ZPL 2.0 licence is 
> officially GPL-compatible).
> 
> Cheers,
> 
> Evan @ 4-am
> 


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