Re: [udig-devel] Open letter to FSFEurope regarding EPL-GPL

[Stefan Krüger <krueger@xxxxxxxxxxxxx>]

On Tuesday 08 December 2009 11:24:57 andrea antonello wrote:
> Hi Craig,
> 
> [...]
> 
> > Your examples seem to focus on the use case of developing a new plugin
> > and choosing a license for it, and wishing to use GPL, but not sure if
> > they can. What about the opposite case, where you wish to pull in someone
> > else's GPL plugin? Or do you feel these cases implicitly cover that
> > example as well?
> 
> After some discussion in the local java user group, I came to the
> understanding (but, hey, I might be wrong) that the inverse is not
> possible. If you make use of GPL'd code inside your app, it has to be
> GPL also. 
You are right! Thats is also known as the "GPL snowball effect" or the "GPL 
viral effect": GPL designed to "infect" other programs and bing free software 
forward that way.

Just my 2cents.

Steve