Mail Archives: cygwin/1997/10/16/16:30:06
Claus Brod <claus_brod AT bbn DOT hp DOT com> 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: <m0wwEHJ-00IdTiC AT golem DOT pixar DOT com> 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 <fjh AT cs DOT mu DOT oz DOT au> | "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh> | of excellence is a lethal habit"
PGP: finger fjh AT 128 DOT 250 DOT 37 DOT 3 | -- the last words of T. S. Garp.
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