Re: [PATCH] cross-sparse

[Geert Uytterhoeven]

On Fri, 18 Jun 2004, Linus Torvalds wrote:
> On Thu, 17 Jun 2004, Geert Uytterhoeven wrote:
> > I wanted to give sparse a try on m68k, and noticed the current infrastructure
> > doesn't handle cross-compilation (no sane m68k people compile kernels natively
> > anymore, unless they run a Debian autobuilder ;-).
> >
> > After hacking the include paths in the sparse sources, installing the resulting
> > binary as m68k-linux-sparse, and applying the following patch, it seems to work
> > fine!
>
> Hmm.. It does make sense, but at the same time, sparse isn't even really
> supposed to _care_ about the architecture. Especially not for a kernel
> build.
>
> Which part breaks when not just using the native sparse? As far as I know,
> a kernel build should use all-kernel header files, with the exception of
> "stdarg.h" which I thought was also architecture-independent (but hey,
> maybe I'm just a retard, and am wrong).

IIRC, actually the first error I got when using the native sparse was that it
couldn't find stdarg.h.

And even the non-native sparse doesn't know about architecture-specific defines
like __mc68000__, causing some code paths being wrong. Guess I have to replace
them by e.g. CONFIG_M68K.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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