I guess that is because in order to distribute a binary for Cygwin, you have to link it against the Cygwin dll and maybe even provide a Cygwin dll. That would be GPL licensed.
That had not specifically occurred to me, but I guess it makes sense. Thanks for pointing it out. Bill. On 11 February 2011 15:28, Paul Leyland <p...@leyland.vispa.com> wrote: > I should clarify: developing MPIR itself is fine under Cygwin as it is > released under LGPL. However, many MPIR people are also involved with > the bsdnt project and it is all too easy for cross contamination to > occur. Those people really ought to avoid Cygwin, IMO. > > Sorry for any confusion caused by an incomplete post. > > Paul > > > On Fri, 2011-02-11 at 15:24 +0000, Paul Leyland wrote: >> > ---------- 2 of 4 ---------- >> > From: Bill Hart <goodwillh...@googlemail.com> >> > Date: Feb 10 10:07AM >> > Url: http://groups.google.com/group/mpir-devel/msg/f15fa392b04436d >> > >> > Unfortunately I don't know what is causing this. Jason Moxham did most >> > of the recent work on Cygwin and did lots of testing. It should be >> > fine. I can only recommend ensuring you have the latest Cygwin. If >> > there is still a problem, maybe try adding a #include <string> as you >> > suggest and see if the problem goes away. This problem is certainly >> > confined to certain versions of Cygwin it seems. >> > >> > Bill. >> >> Alarm bells are ringing loudly. >> >> I hope that everyone who is using Cygwin are aware that they CAN NOT >> DISTRIBUTE BINARIES BUILT UNDER THE FREE CYGWIN LICENSE. If you do so, >> the corresponding source must be released under the GPL. >> >> If you pay for the commercial Cygwin license, or distribute source only >> you're OK. >> >> I ran into this one some years ago when I was forbidden to distribute >> binaries built under Cygwin because the corresponding sources were BSD >> licensed. >> >> I STRONGLY recommend that you do not use Cygwin in the Windows >> environment. Use MSYS/MinGW to avoid infection with the GPL virus. >> >> >> Paul >> > > > -- You received this message because you are subscribed to the Google Groups "mpir-devel" group. To post to this group, send email to mpir-devel@googlegroups.com. To unsubscribe from this group, send email to mpir-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en.