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Posted to dev@subversion.apache.org by Malcolm Rowe <ma...@farside.org.uk> on 2005/10/25 12:49:18 UTC
Re: JavaSVN license [OT]
On Mon, Oct 24, 2005 at 09:48:58AM -0700, Alexander Kitaev (sent by Nabble.com) wrote:
> I'm not sure whether it is GPL-compatible (as it doesn't require
> users to license their code under GPL), but new JavaSVN license is very
> similar to "SleepyCat" license, that is OSI-approved open source license
> (see http://www.opensource.org/licenses/sleepycat.php ).
The JavaSVN license requires that you also distribute source for not only
the software that uses the JavaSVN library, but also the source code for
"any accompanying software that uses the software that uses JavaSVN".
Apart from being completely unclear (there's no definition of what the
first mention of 'uses' might mean; the second is fairly well understood
by reference to derivative works), it's also way beyond what the GPL
requires, and is most definitely not GPL compatible.
Regards,
Malcolm
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Re: JavaSVN license [OT]
Posted by kf...@collab.net.
Garrett Rooney <ro...@electricjellyfish.net> writes:
> On 10/25/05, Alexander Kitaev <al...@tmate.org> wrote:
> > Thanks Malcolm,
> >
> > I will consider chaning this point in the license for the next version.
>
> You may want to consider switching to an existing license, rather than
> rolling your own. When you create your own license it requires people
> to spend a lot of time and effort to determine if they can make use of
> your code or not. Using an existing license streamlines things quite
> a bit, as the work to determine if a given license is acceptable has
> likely already been done.
Amen to that. Two good links on this subject:
http://www.oreilly.com/catalog/opensources/book/perens.html
(search for "Do not write a new license if it is possible to use
one of the ones listed here" to see the relevant part of the page)
http://www.dwheeler.com/essays/gpl-compatible.html
(a good essay about why GPL-compatibility is important)
Best,
-Karl
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Re: JavaSVN license [OT]
Posted by Garrett Rooney <ro...@electricjellyfish.net>.
On 10/25/05, Alexander Kitaev <al...@tmate.org> wrote:
> Thanks Malcolm,
>
> I will consider chaning this point in the license for the next version.
You may want to consider switching to an existing license, rather than
rolling your own. When you create your own license it requires people
to spend a lot of time and effort to determine if they can make use of
your code or not. Using an existing license streamlines things quite
a bit, as the work to determine if a given license is acceptable has
likely already been done.
-garrett
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RE: JavaSVN license [OT]
Posted by Alexander Kitaev <al...@tmate.org>.
Thanks Malcolm,
I will consider chaning this point in the license for the next version.
Alexander Kitaev,
TMate Software,
http://tmate.org/
http://jetbrains.com/tmate/
> -----Original Message-----
> From: Malcolm Rowe [mailto:malcolm-svn-dev@farside.org.uk]
> Sent: Tuesday, October 25, 2005 14:49
> To: Alexander Kitaev
> Cc: dev@subversion.tigris.org
> Subject: Re: JavaSVN license [OT]
>
> On Mon, Oct 24, 2005 at 09:48:58AM -0700, Alexander Kitaev
> (sent by Nabble.com) wrote:
> > I'm not sure whether it is GPL-compatible (as it doesn't
> require users
> > to license their code under GPL), but new JavaSVN license is very
> > similar to "SleepyCat" license, that is OSI-approved open source
> > license (see http://www.opensource.org/licenses/sleepycat.php ).
>
> The JavaSVN license requires that you also distribute source
> for not only the software that uses the JavaSVN library, but
> also the source code for "any accompanying software that uses
> the software that uses JavaSVN".
>
> Apart from being completely unclear (there's no definition of
> what the first mention of 'uses' might mean; the second is
> fairly well understood by reference to derivative works),
> it's also way beyond what the GPL requires, and is most
> definitely not GPL compatible.
>
> Regards,
> Malcolm
>
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