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SamyGO: replacing television firmwareSamyGO: replacing television firmwarePosted Nov 16, 2009 22:38 UTC (Mon) by dwmw2 (subscriber, #2063)In reply to: SamyGO: replacing television firmware by jake Parent article: SamyGO: replacing television firmware You're right; the GPL can't directly affect those other works, which are "independent and separate works in themselves." All it can do is grant or deny you permission to copy, modify and distribute the original GPL'd work. It can grant you permission with conditions attached. Copyright law does allow that. And unless you abide by those conditions, you don't have permission to distribute the original GPL'd work. So I can release code under a licence which says "you can only use this if you send me a postcard," or "if you name you first-born son after me," or "if all software you ever write is released under the GPL," or "if I like your face." It's my prerogative to grant or deny permission to use my own code as I see fit, under copyright law. And I most certainly can release it under a licence which says that you may only redistribute it if you don't do so in combination with other software which is under a different licence. Copyright law most definitely does allow that, and that's what the GPL does.
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SamyGO: replacing television firmware Posted Nov 16, 2009 22:48 UTC (Mon) by jake (editor, #205) [Link]
> And I most certainly can release it under a licence which says
> that you may only redistribute it if you don't do so in combination > with other software which is under a different licence. Copyright > law most definitely does allow that, and that's what the GPL does.
Interesting. If I am understanding you correctly, you are saying that anyone who distributes a Linux kernel with a binary driver (many, if not most, embedded Linux devices out there would qualify) is in violation of the GPL.
Not an interpretation I had heard (or, perhaps more likely, understood) before.
jake
SamyGO: replacing television firmware Posted Nov 16, 2009 23:09 UTC (Mon) by dwmw2 (subscriber, #2063) [Link] "Interesting. If I am understanding you correctly, you are saying that anyone who distributes a Linux kernel with a binary driver (many, if not most, embedded Linux devices out there would qualify) is in violation of the GPL."Given the above direct quote from the §2 of the GPL, I find it hard to find an alternative interpretation. Although I understand that some people don't like it, so they'll clutch at straws to find one. One of the tenuous counter-arguments which is often presented (other than the "copyright law doesn't allow that" fallacy) is the final paragraph of §2, which states that "mere aggregation ... on a volume of a storage or distribution medium" doesn't count. Some people argue that that "exception" is so wide-ranging that it might as well be rephrased as "Oh, actually just disregard the previous two paragraphs, even where we explicitly spelled out that we meant this to apply even to works which are independent and separate works in themselves; we didn't really mean that." Some people go so far as to claim that all forms of "aggregation" are permitted by the exception — so since linking to non-GPL'd work is merely a form of aggregation, that's allowed too. Under that interpretation, the GPL would actually become more like the LGPL. Personally, I feel it's much more likely that that "exception" clause applies to stuff like magazine cover CDs, where mostly unrelated software is just aggregated together for distribution. Or where it happens to sit on the same hard drive or backup tape as if by coincidence. I definitely don't believe that any sane interpretation of the "mere aggregation" exception can apply to a coherent product where both the GPL'd work and the non-GPL'd work are fundamental and necessary parts without which it could not operate. But of course nobody is right or wrong until it's been heard in court.
OT - Rant against case law Posted Nov 17, 2009 12:10 UTC (Tue) by Felix.Braun (subscriber, #3032) [Link] But of course nobody is right or wrong until it's been heard in court. <completly off-topic rant> Just for the record, the quoted statement would only be true if courts could never be wrong. That is, if they had an authoritative say on what the law should be. As a (non common law) lawyer, I take exception at this view. Judges are just opinionated people who have been handed some robes (and in the UK maybe some wigs) by the politicians. They are just as likely to make mistakes as the next guy. They are not inherently more likely to be right than anybody else, even *gasp* non-lawyers. Of course, judges themselves know this, and they therefore appreciate a well reasoned argument, no matter who makes it. Generally speaking, even after having decided a case. Of course, in practice the legal traditions work out to be remarkably similar. But I really do blame the case law system with it's principle of stare decisis for instilling such an attitude of unreflected acceptance in otherwise critically thinking legal laymen. SCNR </completly off-topic rant>
OT - Rant against case law Posted Nov 17, 2009 12:47 UTC (Tue) by dwmw2 (subscriber, #2063) [Link] I understand your objection; allow me to rephrase that final sentence for you, to properly express the implicit subtext...But nobody is right or wrong; it's not black and white. It's just a document written in English and there can be many different interpretations of it; ranging from the sane interpretations to the utterly nonsensical ones such as the "counter-arguments" I mentioned above. There are very few interpretations which actually matter, though. The first one which matters to you might be the opinion of your company lawyer, when you consider shipping a product which violates the GPL by including both a kernel and a binary-only module in the same coherent whole. Or, as the GPL phrases it, in a "derivative or collective work based on" Linux. If he is doing his job properly, he will prevent you from doing that. On the other hand if he doesn't do his job properly, you may well end up bumping up against an opinion which takes precedence over his — the opinion expressed by the (final appeal) court when you are sued for copyright violation. That opinion, ultimately, is the only one which really matters. It doesn't make it right, and there's plenty of examples of cases where the courts have got things "wrong" in the eyes of many people. But it is the only interpretation which really matters in the end, in practical terms. Unless, of course, you think the revolution is going to be triggered by a copyright case... :)
OT - Rant against case law Posted Nov 17, 2009 14:51 UTC (Tue) by Felix.Braun (subscriber, #3032) [Link]
Thank you for that. That makes me feel much better :-)
OT - Rant against case law Posted Nov 18, 2009 4:53 UTC (Wed) by butlerm (subscriber, #13312) [Link]
I think the implication against joint (collective) distribution is entirely
reasonable. My problem is when people say something like "this filesystem was first developed for Linux", therefore it (in any form) is a derived work of the Linux kernel, and that derivative status infects it to the degree that it remains a derivative work even when all the Linux related code is stripped out.
That was SCO's theory regarding JFS. It was first developed for a
I call that the "derivative work by contagion" theory, and it is one of the
OT - Rant against case law Posted Nov 18, 2009 10:27 UTC (Wed) by anselm (subscriber, #2796) [Link] The fun thing about IBM's JFS as available in the Linux kernel was that the JFS code IBM contributed to Linux didn't in fact have anything to do with the JFS code in AIX (which SCO claimed was a derived work of Unix). The Linux JFS code is a port of the reimplementation from scratch of JFS that IBM did for OS/2, so it couldn't have been »infected« with SCO-owned code because it never actually came in contact with any.
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