what does constitute "linking"?

[Janez Pers]

Hardy, Allan wrote:

> In my analysis your Proprietary Application B is a derived work of the
> GPL Work A.  It uses it and seems to depend on it.  I could care less if
> its sockets, dlls, static compiling, etc.  Your adding of a sockets
> wrapper is moot.

> Oh, PS
> GPL cannot be revoked once released
> The author/copy right holder can offer the same product under as many
> licenses as they desire, dual, triple, licensing
> The author can decide to stop offering the GPL version whenever they
> please, they are free to choose their licensing approach, they just
> cannot revoke backwards.

Thank you, this is VERY informative answer, and it is exactly what
I was looking for.

Janez.