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Re: [Xen-devel] Legal concerns: added hashtable implementation
Ewan Mellor wrote:
On Sat, Mar 11, 2006 at 05:00:01PM +0000, Ewan Mellor wrote:On Sat, Mar 11, 2006 at 03:57:22PM +0100, Michael Paesold wrote: > Regarding this changeset: >> Added hashtable implementation, to support the reachability check > against> the > store. This code is by Christopher Clark. > > Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx> > > http://tx.downloads.xensource.com/xen-3.0-testing.hg?cmd=changeset;node=29bbcd88a853f582025f9f00e0ffc03b3112295d > >> The license of the added code is incompatible with the GPL (according > to> the FSF). It contains the so-called "advertising clause". See > http://www.gnu.org/licenses/gpl-faq.html#TOCOrigBSD.Damn, sorry. I should be able to get Chris Clark (the author) to relicencethis -- I'm sure his intention was not to be incompatible with the GPL.Hang on a minute -- that code is licenced under the new BSD licence, not the old one. The advertising clause is the one that says"All advertising materials mentioning features or use of this software mustdisplay the following acknowledgement: This product includes software developed by the University of California, Berkeley and its contributors." which is not contained in Christopher's code. See http://www.gnu.org/philosophy/bsd.html
I am sorry, for not looking exactly enough. The advertising clause is clearly not included.
I still feel uncomfortable a bit. The license states: * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution.This means that binary distributions of Xen (including those of XenSource) must reproduce this license including the "Copyright (c) 2002, Chirstopher Clark" statement in the documentation. In that case, the license should also be put in the docs directory of Xen. Other distributors will unlikely know that they must include the license text. Right?
Best Regards,Michael Paesold
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