On Tue, Jun 30, 2015 at 5:25 PM, Tom Boothby <tomas.boot...@gmail.com> wrote: > I never said it'd hurt to ask again. Heck, I'd even send the email. > As far as I know, Robert Miller and I are the only people who have > read the source of NICE, and we're both in industry now. I need > faster isomorphism tests than Sage provides, and neither of us has > made any improvements to that code for years. Inclusion of nauty > would be awesome. > > To clarify: what I'm uncomfortable with is the statement "you can > ignore it [for Sage]". If that means that we can _delete_ the > restriction from his license file, then that's great and a complete > raw email message might hold up in court. If it means that we are > expected to ship code containing a GPL-incompatible license, that > sounds like pretty shaky ground from my lay-understanding: his > statement implies (to me) that he does not recognize that the GPL is > viral (or does not recognize that Sage is under the GPL). Best to > make sure he knows what he's getting into.
Cool -- I completely and totally agree with you. William > > On Tue, Jun 30, 2015 at 12:15 PM, William Stein <wst...@gmail.com> wrote: >> On Tue, Jun 30, 2015 at 11:28 AM, Tom Boothby <tomas.boot...@gmail.com> >> wrote: >>> On Tue, Jun 30, 2015 at 11:12 AM, Jori Mäntysalo <jori.mantys...@uta.fi> >>> wrote: >>> >>>> Duh. Then what he means when saying that we can ignore it for incorporation >>>> into Sage? >>> >>> >>> Only he can clarify that. If he releases the source under a >>> GPL-compatible license, then we have evidence that he means what he >>> says. His verbal permission for us to include GPL-incompatible code >>> into our source tree does not constitute sound legal advice. >> >> The trac ticket has a claim that there is an "in writing" email: >> >> XX Changed 29 hours ago by jdemeyer; Replying to jmantysalo: >> XX I asked from Brendan McKay? "Nauty.h contains copyright >> XX with 'exception of sale for profit or application with nontrivial military >> XX significance.' Does this apply to whole package?" and he >> XX answered: "It applies to all of the nauty files, but for >> XX incorporation into Sage you can ignore it. >> XX > Can you give the complete contents of this email exchange with McKay? >> >> If we can get the complete raw email message (including headers), and >> maybe get him to further confirm it, with him confirming that he >> understands what including code with Sage means (namely that it is >> GPLv3+'d), then that would work. >> >> That's the whole point of this discussion -- the OP is asking for >> somebody to volunteer to write to McKay to *further* clarify his >> already-given permission. The collective "guess" in this thread seems >> to be that when McKay realizes what "incorporation into Sage" implies >> (namely his code is then GPLv3+), he will change his mind. >> >> Despite what Tom says, I think it can't hurt to ask again. >> >> -- William >> >> >> -- >> William (http://wstein.org) >> >> -- >> 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. > > -- > 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. -- William (http://wstein.org) -- 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.
