new syscall stub support for ia64 libc

[Jakub Jelinek]

On Wed, Nov 12, 2003 at 06:38:10PM -0800, David Mosberger wrote:
> I see what you mean.  It's a bit icky to depend on the other
> header-files including the pre-requisites of lowlevellock.h, but yes,
> it makes the problem _much_ simpler to handle, so thanks for the tip.

When using the syscalls in macros only and not inlines, it doesn't
depend on the order of pre-requisities of lowlevellock.h, just
on sysdep.h being included in all the files which use lll_futex_ macros
(only a handful of sources in NPTL sysdeps/ which all include sysdep.h).

	Jakub