Re: GPL and NDA

[Joern Rennecke]

> 
> Imho, it works as follows:
> 
> anything + GPL can not be distributed unless it is first GPL-ed.

You are confused here.  GPL is not a property of the software, but
a license you grant to the entity that you give the software to.

So to satisfy the terms of the GPL, is is sufficient for B to grant
a GPL license for the modified code to A when it delivers its work.