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.