From: fjh AT cs DOT mu DOT OZ DOT AU (Fergus Henderson) Subject: Re: Cygnus used in a Product ? 16 Oct 1997 16:30:06 -0700 Message-ID: <199710160612.QAA05577.cygnus.gnu-win32@mundook.cs.mu.OZ.AU> References: <199710150524 DOT KAA29980 AT marina DOT orp DOT pdc DOT com> To: gnu-win32 AT cygnus DOT com Claus Brod writes: >desh wrote: >> Anyone aware of any commercial application ported from UNIX to NT using >> Cygnus ? >> I would appreciate suggestion/Issues and experience related to porting a >> commercial Unix based product on Windows NT. > >I'm not a licensing expert, but the license for the gnuwin32 stuff >sounds as if you are required to ship source code for your app if it is >based on gnuwin32 - I don't think that's acceptable for most commercial >applications. But maybe I'm completely wrong on the licensing agreement? Yes, you're wrong. You don't need to ship source code unless your app is a "derivative work" of the DLL, and if it just uses that standard POSIX interfaces it won't be. Disclaimer: I do not represent Cygnus, I am not a lawyer, this is not legal advice, yadda yadda yadda... | From fjh Fri Aug 8 19:00:24 1997 | Subject: Re: [gnu-win32 AT cygnus DOT com] Revised licensing terms | To: win32 AT lists DOT debian DOT org (win32) | Date: Fri, 8 Aug 1997 19:00:24 +1000 (EST) | In-Reply-To: from Bruce Perens at "Aug 6, 97 03:10:00 pm" | | > As long as they use a straight GPL as one of their licenses all of the | > tools will be OK with us, and only the library a problem. We could still | > work on a GLIBC 2.0 based library if we wished an LGPL platform. | | There should be no need for that. As far as I can see, commercial | software can still use cygwin.dll, so long as it is not a derivative | work. And since cygwin.dll just provides a standard POSIX interface, | it would be very hard for Cygnus to argue that a commercial application | that made use of it was a derivative work. (A Cygnus employee said as | much on the cygwin mailing list.) Linking with the beta18 libcygwin.a | should be fine too, because they've declared that we can use beta18 | under the terms of the Cygwin Licence, which basically says that | libcygwin.a can be used by anyone without any conditions applying. | | Thus the only thing we need to do is to continue to provide a version | of libcygwin.a that can be used with commercial software and that | works with future releases of cygwin.dll. Even that may be unnecessary. | | Disclaimer: I'm not a lawyer, this is not legal advice, yadda yadda yadda... -- Fergus Henderson | "I have always known that the pursuit WWW: | of excellence is a lethal habit" PGP: finger fjh AT 128 DOT 250 DOT 37 DOT 3 | -- the last words of T. S. Garp. - For help on using this list (especially unsubscribing), send a message to "gnu-win32-request AT cygnus DOT com" with one line of text: "help".