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SubjectRE: Linux GPL and binary module exception clause?
"David Schwartz" <> wrote:

> > That's 6,288 chances for you to #include GPL code and end up
> > with executable derived from it in *your* .o file, not the kernel's.
> I'm sorry, but that just doesn't matter. The GPL gives you the
> unrestricted right to *use* the original work. This implicitly
> includes the right to peform any step necessary to use the work.
> (This is why you can 'make a copy' of a book on your retina if you
> have the right to read it.) Please tell me how you use a kernel
> header file, other than by including it in a code file, compiling
> that code file, and executing the result.

Another point worth mentioning is that if the Linux kernel headers are
pure GPL, then user land programs that use the Linux kernel headers
themselves would also be pure GPL by extension if the above argument
holds water. Clearly the Linux developers would like to believe
otherwise, but there are many Linux user mode programs that will make use
of GPL kernel headers in their non-GPL programs. And some of that code
will include inline assembler and inline functions to make calls into the

Likewise, by extension, any runtime library that uses GPL header files
from the kernel directly would have to also be pure GPL. This means glibc
folks. We all know glibc is LGPL, but if you link pure GPL code with LGPL
code the entire work must be *GPL*, not LGPL if it is considered a
derived work.


Kendall Bennett
Chief Executive Officer
SciTech Software, Inc.
Phone: (530) 894 8400

~ SciTech SNAP - The future of device driver technology! ~

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