Speeding up ggc-simple on stage1

[Zack Weinberg]

On Mon, Jan 24, 2000 at 03:40:55PM -0200, Alexandre Oliva wrote:
> On Jan 16, 2000, Zack Weinberg <zack@wolery.cumb.org> wrote:
> 
> > it would be nice if you add a check for mmapping a file while you're
> > in this code - I'm going to need that very soon.
> 
> AFAICT, that's what AC_FUNC_MMAP does.  Yes, it requires MAP_FIXED to
> work too; does this matter?

I don't need MAP_FIXED, and it would be nice if I could use mmap even
on platforms where MAP_FIXED doesn't work.

But it looks like this won't be coming anytime soon, so I'll fix
configure when I need it.

zw