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Re: Question about Cygwin License
On Thu, Jun 19, 2003 at 06:46:03PM -0400, Sam Steingold wrote:
> > * Honorable Marcel Telka <marcel@telka.sk> writes:
> >
> > On Thu, Jun 19, 2003 at 05:51:44PM -0400, Cary Lewis wrote:
> > > I want to use cygwin with a proprietary system.
> > >
> > > As I do not want to publish my source code, I know I need a "breakout"
> > > license from RedHat.
> > >
> > > I am not changing cygwin, I am simply using the cygwin.dll to get a Unix
> > > based system to run under Windows.
> >
> > Cite from GNU GPL <http://www.gnu.org/licenses/gpl.html>:
> >
> > Activities other than copying, distribution and modification are not
> > covered by this License; they are outside its scope. The act of
> > running the Program is not restricted, and the output from the Program
> > is covered only if its contents constitute a work based on the Program
> > (independent of having been made by running the Program). Whether that
> > is true depends on what the Program does.
>
> linking against a GNU GPL (not LGPL!) library makes your program GPL,
> even if the library is dynamic (DLL).
>
> <http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/*checkout*/clisp/clisp/doc/Why-CLISP-is-under-GPL?rev=HEAD>
>
> therefore, if you distribute a program which relies on cygwin.dll
> (which, IIUC, is released under the GNU GPL), you have to either
What about this situation?
My program depends on cygwin.dll, but there are two implementations of the
library: one with GNU/GPL license and another one with, say, BSD-like
license.
Should I (in this situation) release my program under GNU/GPL terms?
> release the source code under GNU GPL, or buy a different license from
> the (C) holder (RedHat).
>
> IANAL.
--
+-------------------------------------------+
| Marcel Telka e-mail: marcel@telka.sk |
| homepage: http://telka.sk/ |
| jabber: marcel@jabber.sk |
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