[patch/rfc] Add host's floatformat

[Andrew Cagney]

> Date: Sat, 01 May 2004 08:53:40 -0400
>    From: Andrew Cagney <cagney@gnu.org>
> 
>    Hello,
> 
>    This patch adds the host's floatformat (when known) to floatformat.[hc]. 
>    It lets us wack of a heap of bogus code in GDB's configury.
> 
> Hmm.  I'm all for whacking the xm-*.h files, but isn't it better to
> keep this local to GDB instead of stuffing it into libiberty?  If so,
> we should probably put most of the stuff in configure.host, such that
> we can avoid regenerating configure when updating the float support.

Why?

It's a natural extension for liberty's floatformat database - knowledge 
of the host's formats.

As for autoconf, libiberty's using 2.5x so that (unlike with GDB) is a 
non-issue.

Andrew