On Friday 10 February 2006 01:05, Adrian Bunk wrote:
> On Tue, Feb 07, 2006 at 01:39:50PM +0100, Roman Zippel wrote:
> > Hi,
> >
> > On Tue, 7 Feb 2006, Andi Kleen wrote:
> >
> > > > This means you define a prototype for the builtin function and not for the
> > > > normal function. I'm not sure this is really intended.
> > >
> > > What good would be a prototype for a symbol that is defined to a different symbol?
> >
> > The point is you define a prototype for a builtin function, I'm not sure
> > that's a good thing to do.
> > Actually I'd prefer to remove -ffreestanding again, especially because it
> > disables builtin functions, which we have to painfully enable all again
> > one by one, instead of leaving it just to gcc.
>
> I remember playing with using more gcc builtins in the kernel some time
> ago, and some gcc builtin used a different library function, which was a
> function the kernel did not supply.
It works fine on x86-64. If something is missing it can be also supplied.
-Andi
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