Messages in this thread | | | Date | Sun, 25 Feb 2007 12:56:32 -0500 | From | Stephen Clark <> | Subject | Re: GPL vs non-GPL device drivers |
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Pavel Machek wrote:
>Hi! > > > >>Actually, it's quite clear under US law what a derivative work is and >>what rights you need to distribute it, and equally clear that >>compiling code does not make a "translation" in a copyright sense. >>Read Micro Star v. Formgen -- it's good law and it's funny and >>readable. >> >>I've drafted summaries from a couple of different angles since VJ >>requested a "translation into English", and I think this is the most >>coherent (and least foaming-at-the-mouth) I've crafted yet. It was >>written as an answer to a private query to this effect: "I write a >>POP server and release it under the GPL. The Evil Linker adds some >>hooks to my code, calls those hooks (along some of the existing ones) >>from his newly developed program, and only provides recipients of the >>binaries with source code for the modified POP server. His code >>depends on, and only works with, this modified version of my POP >>server. Doesn't he have to GPL his whole product, because he's >>combined his work with mine?" >> >>This is a fundamental misconception. A <<product>> is not a "work >> >> > >Ok, but this is not realistic. I agree that if Evil Linker only adds >two hooks "void pop_server_starting(), void pop_server_stopping()", he >can get away with that. > >But... how does situation change when Evil Linker does #include ><pop3/gpl_header_file_with_some_inline_functions.h> from his >binary-only part? > >I believe situation in this case changes a lot... And that's what >embedded people are doing; I do not think they are creating their own >headers or their own inline functions where headers contain them. > Pavel > > The amount copied has to be significant. A few lines against the millions in the kernel would not be enough to be copyright infringement.
--
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"The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)
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