The other part of the copyright notice says "you must document any
changes".  That's presumably GPL incompatible too though it is very
vague....

On Thursday, October 8, 2015, Dima Pasechnik <dimp...@gmail.com> wrote:

> ok, so we can make nauty standard package!
> ---------- Forwarded message ----------
> From: "Dima Pasechnik" <dmitrii.pasech...@cs.ox.ac.uk
> <javascript:_e(%7B%7D,'cvml','dmitrii.pasech...@cs.ox.ac.uk');>>
> Date: 8 Oct 2015 10:05 am
> Subject: Fwd: Re: nauty in Sage (was: Code generating finite posets of
> given size (fwd))
> To: "Dima Pasechnik" <dimp...@gmail.com
> <javascript:_e(%7B%7D,'cvml','dimp...@gmail.com');>>
> Cc:
>
>
> From: Brendan McKay <brendan.mc...@anu.edu.au
> <javascript:_e(%7B%7D,'cvml','brendan.mc...@anu.edu.au');>>
> Date: 7 Oct 2015 11:48 pm
> Subject: Re: nauty in Sage (was: Code generating finite posets of given
> size (fwd))
> To: Dima Pasechnik <dmitrii.pasech...@cs.ox.ac.uk
> <javascript:_e(%7B%7D,'cvml','dmitrii.pasech...@cs.ox.ac.uk');>>
> Cc: Jori Mäntysalo <jori.mantys...@uta.fi
> <javascript:_e(%7B%7D,'cvml','jori.mantys...@uta.fi');>>,<
> gunnar.brinkm...@ugent.be
> <javascript:_e(%7B%7D,'cvml','gunnar.brinkm...@ugent.be');>>,
> b...@cs.anu.edu.au <javascript:_e(%7B%7D,'cvml','b...@cs.anu.edu.au');>
>
> > Dear Dima,
> >
> > You can use the source code of nauty in Sage with the words "with the
> exception of
> > sale for profit or application with nontrivial military significance"
> removed from the
> > copyright notice.  I take it that you can keep the rest of the copyright
> notice intact.
> >
>
>
>
> > You can take this email as official permission.
> >
> > Perhaps you can use the attached version (not much distributed yet).  In
> particular
> > utilities for files of digraphs are implemented.
> >
> > Cheers, Brendan.
> >
> >
> > On 08/10/15 07:05, Dima Pasechnik wrote:
> >
> > Dear Brendan,
> >
> > Sage(math) has the nauty package up an running,  e.g
> >
> > sage: list(digraphs.tournaments_nauty(4))
> > [Digraph on 4 vertices,
> >  Digraph on 4 vertices,
> >  Digraph on 4 vertices,
> >  Digraph on 4 vertices]
> >
> > but we want more: a better integration...
> > (e.g. the above would only work if the user installed an optional
> package 'nauty')
> >
> > To bring this up again: the only way we could incorporate nauty into the
> main Sage library
> > is by including your files with the  "exception of sale
> > for profit or application with nontrivial military significance" part of
> the copyright notice removed.
> > As Sage is released under GPL, we cannot keep it in the source.
> > (cf. http://www.gnu.org/licenses/gpl-faq.en.html#NoMilitary)
> >
> > Did you mean to tell us to remove it if we must?
> > Or rather you weren't aware that we cannot just put your files there
> untouched?
> >
> > Thanks,
> > Dima
> >
> >
> >
> >
> > On 7 October 2015 at 11:11, Jori Mäntysalo <jori.mantys...@uta.fi
> <javascript:_e(%7B%7D,'cvml','jori.mantys...@uta.fi');>> wrote
> >
> > ---------- Forwarded message ----------
> > Date: Thu, 30 Oct 2014 12:39:58 +0000
> > From: Brendan McKay <brendan.mc...@anu.edu.au
> <javascript:_e(%7B%7D,'cvml','brendan.mc...@anu.edu.au');>>
> > To: Jori Mantysalo <jori.mantys...@uta.fi
> <javascript:_e(%7B%7D,'cvml','jori.mantys...@uta.fi');>>,
> >     Gunnar Brinkmann <gunnar.brinkm...@ugent.be
> <javascript:_e(%7B%7D,'cvml','gunnar.brinkm...@ugent.be');>>,
> >     "b...@cs.anu.edu.au
> <javascript:_e(%7B%7D,'cvml','b...@cs.anu.edu.au');>" <b...@cs.anu.edu.au
> <javascript:_e(%7B%7D,'cvml','b...@cs.anu.edu.au');>>
> > Subject: Re: Code generating finite posets of given size
> >
> > Sorry, I forgot to answer.  It applies to all of the nauty files, but
> > for incorporation into Sage you can ignore it.
> >
> > Brendan.
> >
> > ________________________________________
> > From: Jori Mantysalo <jori.mantys...@uta.fi
> <javascript:_e(%7B%7D,'cvml','jori.mantys...@uta.fi');>>
> > Sent: 30 October 2014 23:00
> > To: Gunnar Brinkmann; b...@cs.anu.edu.au
> <javascript:_e(%7B%7D,'cvml','b...@cs.anu.edu.au');>
> > Subject: Re: Code generating finite posets of given size
> >
> > On Wed, 8 Oct 2014, Gunnar Brinkmann wrote:
> >
> >>> I am now packaging it. Nauty.h contains copyright with "exception of
> sale
> >>> for profit or application with nontrivial military significance." Does
> this
> >>> apply to whole package? If so, I will make this an optional package, as
> >>> core packages are GPL only.
> >
> >
> >> this is a question Brendan will answer. Good to hear that you succeeded
> >> in making it available in Sage.
> >
> >
> > There has now been three weeks since I asked this. No horry, but I just
> > ping you to be sure that this has not been forgotten.
> >
> > --
> > Jori Mäntysalo
> >
>









> --
> You received this message because you are subscribed to the Google Groups
> "sage-devel" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to sage-devel+unsubscr...@googlegroups.com
> <javascript:_e(%7B%7D,'cvml','sage-devel%2bunsubscr...@googlegroups.com');>
> .
> To post to this group, send email to sage-devel@googlegroups.com
> <javascript:_e(%7B%7D,'cvml','sage-devel@googlegroups.com');>.
> Visit this group at http://groups.google.com/group/sage-devel.
> For more options, visit https://groups.google.com/d/optout.
>


-- 
Sent from my massive iPhone 6 plus.

-- 
You received this message because you are subscribed to the Google Groups 
"sage-devel" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to sage-devel+unsubscr...@googlegroups.com.
To post to this group, send email to sage-devel@googlegroups.com.
Visit this group at http://groups.google.com/group/sage-devel.
For more options, visit https://groups.google.com/d/optout.

Reply via email to