Pekka Enberg wrote:
> Hi David,
>
> On Feb 3, 2008 5:12 PM, David Newall <[EMAIL PROTECTED]> wrote:
>
>> By the way, I'm almost certain that the COPYING file is the first, last
>> and only document specifying licence conditions, and nothing in that
>> prevents a proprietary driver from including a patch that, for example,
>> globally replaces ALL GPL-only symbols by the less restrictive ones.
>>
>
> So I am going to assume you're not trolling here (although some of
> your snarky remarks make that bit hard).
>
Thanks. I'm not trolling. Perhaps I was a bit snarky; it's an issue I
feel strongly about. (I'm sure others feel just as strongly, but
differently.)
> And, _if_ you're distributing a derived work that is not under the
> GPLv2, you're breaking the law. I think we can agree on this?
>
Agreed.
> As there is some controversy over the definition of derived work
> (think Linus' comments on porting a driver or a filesystem from
> another operating system here), we use the EXPORT_SYMBOL_GPL
> annotations as a big warning sign that what you're doing is likely to
> be considered as a derived work.
Let's consider a totally original USB driver. There are an infinite
number of them, some still to be written.
> If the USB developers want to
> annotate their code with EXPORT_SYMBOL_GPL, why the hell do you want
> to argue about it?
Have I the wrong end of the stick? Isn't that mark restricting an
interface to GPL _callers_? Isn't it a technical switch that means,
"Don't use my software if yours isn't (also) GPL"? As such it's mere
political rhetoric, devoid of any binding power.
> If you want to
> develop for Linux, you're most certainly better off always
> distributing your code under the GPLv2
I agree; but let's not disadvantage applications where regulatory
requirements prohibit GPL code, nor applications where the proprietor
simply chooses to keep the work proprietary. A proprietary module is
simply a piece of software. Many people couldn't use Linux if they
couldn't run proprietary software on it.
> But what I don't understand
> is why people insist using the Linux kernel for something it clearly
> can never really properly support (proprietary code)?
>
That's defeatist. Of course the Linux kernel can properly support
("run") proprietary code. It would be a miserable excuse for an
operating system if it couldn't.
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