> > > > > a patch which adds -fno-builtins to the Makefile and makes the
> > > > > abs() work.
> > > > why?
> > > So you can compile a i386 or i486 kernel with a 'C' compiler that was
> > > built on a i686 machine. It took me a week to find the reason why
> > > a kernel, configured to run on a 486 (or even 386) would crash on
> > > the boot of a 486.
> > If the compiler gives you i686 instructions for a i486 target that you
> > correctly specified, then the compiler is broken, pure and simple. Are you
> > sure the Makefiles do set the target right? What gcc version are you using?
> > Did you report the problem to the egcs folks?
> I've been through this too many times already. The makefile is set up
> right, the .config is set up right. I have used three versions of
> the gcc compiler, never egcs.
>
> gcc 2.7.2, gcc 2.7.3, and gcc 2.8.1
Then those are broken, as I stated. Note that all of them are obsolete and
non-maintained.
[...]
> My suggestion was to not use any built-ins in the kernel. In other
> words, if the kernel requires code it should be generated by kernel
> source, not C-compiler source.
Yep. No coding in C, only assembler.
-- Dr. Horst H. von Brand mailto:vonbrand@inf.utfsm.cl Departamento de Informatica Fono: +56 32 654431 Universidad Tecnica Federico Santa Maria +56 32 654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/