Re: RFC: Testing for kernel features in external modules

From: Patrick McFarland
Date: Thu Jun 24 2004 - 15:25:15 EST


On Thu, 24 Jun 2004 22:30:43 +0200, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
>
> The last couple of kbuild patches has put attention to testing for
> features in the kernel so an external modules can stay compatible
> with a broad range of kernels.
> Since vendors backport patches then testing for the kernel version is not
> an option, so other means are reqired.
>
> Two approaches are in widespread use:
> a) grep kernel headers
> b) Try to compile a small .c file (nvidia is a good example)

Why can't you check the .config file to see if features are enabled?

--
Patrick "Diablo-D3" McFarland || diablod3@xxxxxxxxx
"Computer games don't affect kids; I mean if Pac-Man affected us as kids, we'd
all be running around in darkened rooms, munching magic pills and listening to
repetitive electronic music." -- Kristian Wilson, Nintendo, Inc, 1989
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