Re: Internet2 licence

2009-09-03 Thread Josselin Mouette
Le mercredi 02 septembre 2009 à 16:03 +0200, Carsten Wolff a écrit : 
 Hi,
 
 I have a project here based on code under the Internet2 license and I was 
 wondering, if it is any different from the 3-clause BSD license.
 
 If it's no different, can I leave out the additional explanatory section 
 (You 
 are under no obligation[..]in binary and source code form.) in derivative 
 work and just license the whole derivative under BSD?

It is very different since this additional section makes it a copyleft
license, which makes it incompatible with most other copyleft licenses.

 You are under no obligation whatsoever to provide any enhancements to
 Internet2 or its contributors.  If you choose to provide your
 enhancements, or if you choose to otherwise publish or distribute your
 enhancements, in source code form without contemporaneously requiring
 end users to enter into a separate written license agreement for such
 enhancements, then you thereby grant Internet2 and its contributors a
 non-exclusive, royalty-free, perpetual license to install, use,
 modify, prepare derivative works, incorporate into the software or
 other computer software, distribute, and sublicense your enhancements
 or derivative works thereof, in binary and source code form.

The “Internet2 and its contributors” choice of words is poor, but
otherwise it sounds like a reasonable and free copyleft license.

Cheers,
-- 
 .''`.  Josselin Mouette
: :' :
`. `'   “I recommend you to learn English in hope that you in
  `- future understand things”  -- Jörg Schilling


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Re: License of CORBA Interface Definition Files published by the Object Management Group

2009-09-03 Thread xavier grave
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Ludovic Brenta a écrit :
 Josselin Mouette j...@debian.org writes:
 Le mardi 25 août 2009 à 02:52 +0200, Ludovic Brenta a écrit : 
 The source package orbit2_2.14.17.orig.tar.gz shipped by Debian contains
 the following files that concern me:

 src/idl/CORBA_PIDL/CORBA_Request.idl
 src/idl/CORBA_PIDL/pseudo_orb.idl
 [snip]

 The debian/copyright file in the package does not explicitly state a
 license for those files but implies that the license is the GPL.  The
 package is in main.
 My opinion is that the headers themselves are not subject to copyright.
 They are just the formal description of a specification, there is
 nothing creative in them. However the comments are, so maybe we have to
 strip the comments from those files.
 
 Thanks.
 
 Since:
 - the spec specifically refers to the .idl files
 - the .idl files are derived works from the spec,
 
 I still think that the .idl files are copyrighted and subject to the
 same license as the spec.
 
 However, your interpretation is probably closer to the intended purpose
 of these files.  The OMG failed to make their intentions clear.  I don't
 think they understood copyright law themselves since they speak of
 using the specification and conforming software to the
 specification, neither of which are even concepts in copyright law,
 which concerns itself only with distribution, modification and derived
 works.  So, the OMG's failure to clarify the license for the .idl files
 is not surprising.
 
 It seems to me that if the authors of a CORBA implementation choose to
 distribute .idl files (even though this is not a requirement of a
 conforming implementation), they can do so only if they are the authors
 of the .idl files; and if they are the authors of the .idl files then
 they can choose whatever license they want under the permission to use
 the specification which I understand as permission to derive works
 from the copyrighted specification.  This may or may not be the case
 for the authors of orbit2 but the authors of PolyORB have already stated
 that they redistribute the OMG's .idl files (and they even pointed me to
 the OMG license).  I think such redistribution is illegal.
 
 Any other opinion?
 

Hi,

I'm sorry I can't help on such problems. It is very far from my
understanding. Can't we just use the testsuite apart from package
building to be sure that our packaging is OK and then distribute a
version without the .idl files ? Testing should be our duty and not for
the buildd machines ?

My two cents... xavier
PS:any comment on my last changes (minors) ?
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Re: Internet2 licence

2009-09-03 Thread Carsten Wolff
Hi Josselin,

thanks for your answer!

On Thursday 03 September 2009, Josselin Mouette wrote:
 It is very different since this additional section makes it a copyleft
 license, which makes it incompatible with most other copyleft licenses.

I see. It seems I completely misread that section. I see now, why it's not 
just explanatory, but actually makes it a copyleft license.

 The “Internet2 and its contributors” choice of words is poor, but
 otherwise it sounds like a reasonable and free copyleft license.

This means, a program under this license is fit for the main section of 
Debian? 

Thanks again,
Carsten


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Re: License of CORBA Interface Definition Files published by the Object Management Group

2009-09-03 Thread Ludovic Brenta
Selon xavier grave xavier.gr...@ipno.in2p3.fr:
 Can't we just use the testsuite apart from package
 building to be sure that our packaging is OK and then distribute a
 version without the .idl files ? Testing should be our duty and not for
 the buildd machines ?

We will do that for sure but there are other .idl files required to build, not
just test, the CORBA personality (see Thomas Quinot's email on
polyorb-us...@lists.adacore.com).  In the mean time, let's focus on the legal
aspects on this list.

-- 
Ludovic Brenta.


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