Perl modules (license: distributable)

[Matthew Miller]

On Thu, Apr 20, 2006 at 10:39:31AM -0500, Jason L Tibbitts III wrote:
> JPO> The Mail::Sender module has the following license: "This program
> JPO> is free software; you can redistribute it and/or modify it under
> JPO> the same terms as Perl itself. There is only one aditional
> JPO> condition, you may NOT use this module for SPAMing! NEVER! (see
> JPO> http://spam.abuse.net/ for definition)"
> Nice and contradictory; perl is GPL (and Artistic, of course) and the
> GPL prevents adding restrictions.  The module shouldn't have been
> included.

Nothing prevents you from licensing your code as "GPL + additional
restrictions". You just can't add additional restrictions to code that was
licensed _to you_ under the GPL. And of course, any such additional
restrictions make the result not GPL-compatible.


-- 
Matthew Miller           mattdm at mattdm.org          <http://mattdm.org/>
Boston University Linux      ------>              <http://linux.bu.edu/>