Dynamic linking, was: Re: Dispelling BSD License Misconceptions

Matthew Flaschen matthew.flaschen at gatech.edu
Fri Jan 19 05:32:33 UTC 2007

Ben Tilly wrote:
>> I'm not sure about this one.  I'm also still confused what you mean by
>> "the author of Term::ReadLine::Gnu may be overstepping".  Who is
>> overstepping, and why?
> Well I think the third is probably derivative.  But the author of that
> code thinks he can dual license it Artistic and GPL.  Which means that
> he either hasn't paid enough attention to readline's copyright
> license, or doesn't think that his work is derivative.

Right, I see what you mean now.  Of course he simply may not know what
the License of Perl really is.

> Hence he may be overstepping - asserting that he has a right to apply
> a license that he may not.
> About the one you're not sure of, most Perl code does not even *load*
> Term::ReadLine.  That's not going to be derivative.  

I agree.

> Of code that does
> load it, most uses only the Term::ReadLine API.  I think we're agreed
> that that is unlikely to be derivative.  But the tiny portion of
> fraction that specifically loads Term::ReadLine::Gnu and then heavily
> uses parts of the API that are specific to readline - there probably
> is some code that might be argued to be derivative of readline.

I think code that uses Term::ReadLine::Gnu , directly or indirectly,
will probably be a derivative work.

Matthew Flaschen

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