On Fri, 27 Dec 2019, Rodney W. Grimes wrote:
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On 2019-12-27 23:24, Rodney W. Grimes wrote:
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On 2019-12-27 22:16, Rodney W. Grimes wrote:
Author: pfg
Date: Sat Dec 28 02:58:30 2019
New Revision: 356142
URL: https://svnweb.freebsd.org/changeset/base/356142
Log:
SPDX: update some tags with two licenses.
Modified:
head/sys/dev/ofw/openfirm.h
head/sys/sys/sched.h
Modified: head/sys/dev/ofw/openfirm.h
==============================================================================
--- head/sys/dev/ofw/openfirm.h Sat Dec 28 02:11:41 2019 (r356141)
+++ head/sys/dev/ofw/openfirm.h Sat Dec 28 02:58:30 2019 (r356142)
@@ -1,7 +1,7 @@
/* $NetBSD: openfirm.h,v 1.1 1998/05/15 10:16:00 tsubai Exp $ */
/*-
- * SPDX-License-Identifier: BSD-4-Clause
+ * SPDX-License-Identifier: (BSD-4-Clause AND BSD-2-Clause-FreeBSD)
*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
Modified: head/sys/sys/sched.h
==============================================================================
--- head/sys/sys/sched.h Sat Dec 28 02:11:41 2019 (r356141)
+++ head/sys/sys/sched.h Sat Dec 28 02:58:30 2019 (r356142)
@@ -1,5 +1,5 @@
/*-
- * SPDX-License-Identifier: BSD-4-Clause
+ * SPDX-License-Identifier: (BSD-4-Clause AND BSD-2-Clause-FreeBSD)
*
* Copyright (c) 1996, 1997
* HD Associates, Inc. All rights reserved.
This situation should not of occured, and leads to an ambigous license state.
It actually happens a lot (I mean two or more licenses in the same
file): SPDX explicitly uses AND (not OR) for cases like this.
What code is under license 2 clause and what under 4 clause?
Anyone redistributing the file has to respect both licenses. If you are
lucky enough to have access to version control you may be able to
discern the author and the corresponding license, otherwise you are
trapped with both.
So the 2 clause add is null, so why have it there?
So that eventually, when the project gets to a point where sufficient
part of the code is rewritten they can opt to change the license to the
simpler form. There are ways to relicense projects gradually, and its
nothing new, in fact it is very much in the BSD spirit to gradually
replace more restricted UNIX code.
The only changing we have done to BSD licenses as in thost cases
that the Regents requested/granted the right to change to lesser
clauses. Until you get HD & Associtates (in this one case) to
grant that right your walking on a grey edge I would rather not
walk on.
The reference to BSD spirit and replacing more restricted UNIX (tm)
code is way off base in this context. This is not an AT & T
license we are talking about here. And again you can not just
modify the existing 4 clause licensed file by slapping a 2 clause
license into it, or the project would of done that everyplace
ages ago.
What is done here in this file is a mistake, and should be corrected.
Can you point me to other files that actually have multiple BSD
licenses in them?
It seems to be the prevailing theory that headers are not even
really copyrightable. This has even been tested in court a few times
(bsd, java).
http://lkml.iu.edu/hypermail/linux/kernel/0301.1/0362.html
The original definitions from this file were part of posix.1b and so it's
hard to argue they are anything but public. Coincidentally I know Greg
and I'm sure he would not object to reducing the whole file to a two
clause license.
However, I'm not so certain as you are that it is not possible to have two
copyrights in the same file so long as they are compatible. In many cases
we have multiple authors attributed to an individual file. There are
cases where software is purposefully licensed under multiple licenses.
https://en.wikipedia.org/wiki/Multi-licensing
This is not an identical situation but it is a common one. I called my
brother who is an IP lawyer and spoke with him about it today. He
believes this is sufficiently nuanced that we would need a proper legal
opinion to determine that.
I wrote the original file 17 years ago and placed a two clause copyright
in it. trhodes combined sys/posix4/sched.h with sys/sched.h 13 years ago
in the following commit:
https://svnweb.freebsd.org/base/head/sys/sys/sched.h?revision=164185&view=markup
So the original license was in fact two clause.
If a mistake was made, it was made 13 years ago and it is almost
guaranteed to be legally harmless. It has nothing to do with what Pedro
committed today. I don't trust the armchair lawyering of software
engineers and so to resolve this we would need to ask the foundation to
pay their lawyers to pursue it.
In my opinion, this has already wasted everyone's time with an irrelevant
nit-picking argument. The onus is not on Pedro to chase this down just so
he can add SPDX tags. If this is important to you then you are welcome to
go sort out the details and then post patches for review. I'm sure myself
and greg would be happy to do so. However it seems that this wasn't even
worth reading the revision history for you to begin lecturing.
Jeff
It may be a long shot but it has happened on other projects as well:
libdialog (in our tree) was rewritten and relicensed from GPL to LGPL.
It looks to me as if this was done by Jeff Robinson as the 2 clause is
attached to his copyright and we should probably just ask him to relax
that back to the files existing 4 clause license, and or go after Greg
Ansley of HD associtates to get them to relax the 4 clause.
No, Jeff (or anyone else, as I said there are many cases in our tree) is
entitled to choose his own license as long as it is compatible with the
pre-existing licensing.
I was specifically sighting this one file, sys/sys/sched.h.
Actually that might be a grey area, no place does the BSD license grant
you rights to modify the terms of the license, and that is in effect
what adding this second license does.
No one is modifying the original license: it is there and applies to the
original code.
You can choose your own license for original work, sure, but obliterating
parts of an existing license by applying a second license which is in
conflict is probably a poor idea.
We don't do that at all: pretty clearly there is no conflict between
both licenses as you can comply with both.
The only way to comply with both is to comply with the full 4
clause license. Hense the 2 clause is pointless in being there
and can never apply until all 4 clause authors agree to change
to 2 clause.
Pedro.
--
Rod Grimes rgri...@freebsd.org
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