> 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.

I've checked this in.  Differences from the original:

- GDB handles this locally
- GDB_HOST_... instead of just HOST_... in names
- per MarkK's suggestion, the bulk of the logic is in configure.host

I'll follow up by pruning some now dead xm files.

Andrew