Mail Archives: cygwin/2001/03/06/13:25:07
> The reason I put cygwin1.dll up for download is just as a convience for
> people that may not want to take the time to download the full Cygwin
> distribution.
That's OK, and it's good to help the users.
> Since reading this thread, I've put up a little message following the
> cygwin1.dll link:
> ----------
> Cygwin is licensed under the GPL. The complete source distribution can be
> downloaded from the <a href="http://www.cygwin/com">Cygwin homepage</a>
> ----------
The GPL doesn't allow this, because as soon as we release a new
cygwin, the sources for *your* cygwin1.dll are no longer available,
and you are instantly (and unawares) in violation. You need to have
your own copy of the sources for the dll you are distributing, and
make sure it remains available as long as your binary is.
It's a good idea to *also* have a link to the cygwin home page, for
people who want more than just the dll (or who are interested in
updating), but you can't rely on it for the purposes of the GPL.
> However I certainly don't want to rub anybody the wrong way or do anything
> contrary to the GPL. If anybody still has an issue with providing a
> binary cygwin1.dll for download, please email me so it can be worked
> out. (I'm subscribed to the list for now)
Please keep distributing the dll; that's OK, and if it's one you have
verified works with your software, you are doing your users a favor
(as long as you also note that if they have cygwin installed, they may
run into version conflicts).
However, please put a copy of the corresponding sources (just the
minimum needed to build the dll; which should be just the
cygwin*-src.tar.gz file) on your site, along with the dll binary.
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