Re: porting Grub to Xen

[Ferenc Wagner]

"Vladimir 'phcoder' Serbinenko" <address@hidden> writes:

> On Fri, Jun 5, 2009 at 9:37 PM, Ferenc Wagner<address@hidden> wrote:
>> "Vladimir 'phcoder' Serbinenko" <address@hidden> writes:
>>
>>>> Neither have I, but xen-devel says MiniOS is BSD, and should be
>>>> acceptable for Grub.
>>>
>>> If it's under MIT or new BSD license it is. However no code with
>>> unclear licensing can be used in grub2
>>
>> The mini-os code has been reviewed and gained an explicit BSD license
>> just now to clear this issue up.
>
> Can you post the link? There are different BSD licenses and we need to
> check that it's really compatible.

xen-unstable.hg/extras/minios/COPYING contains the following:

Copyright (c) 2009 Citrix Systems, Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. 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 SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

> Even if the license is ok I feel however against making a whole port
> depending on non-FSF code. If someone agrees to make is from scratch
> I would prefer it. If noone does then I would be ok with you making
> this port based on stubdom.  However I don't want grub2 to depend on
> stubdom (this could be discussed). Then all files based on stubdom
> will have to be separated from the main code and correctly
> aknowledged where it comes from. We will need a copyright assignment
> from you. Also we need a permission from Yoshinori K Okuji or Marco
> Gerards

I can't really comment on the above apart from that I've already
signed a copyright assignment to FSF.

>> Neither have I, but I'm willing to dig up info on this, just provide
>> some explicit questions, please.  Anyway, I've got the IRC logs of nyu
>> promising to get Grub going on Xen for me. :)  On the other hand, Grub
>> 0.97 has been ported to Xen already, the code is available in the Xen
>> tree under stubdom/grub{.patches}, if you are willing to take a look.
>
> They can be used only if they didn't drop "or later" clause of grub1's
> license and only under same terms as BSD code.

OMG.  Who/what are the two "they"s above?  But only if it's really
important.  This legal stuff is such a drag...
-- 
Thanks,
Feri.