[patch/rfc] Add host's floatformat

[DJ Delorie]

> Er, this pattern matching idea is your approach, not mine.  I'd
> rather just stick with configure.ac.

And I offered a function that implemented it, too.  Why did you invent
a different one?

> If there really is a problem such as you describe then surely the
> person that encounters that problem gets to fix it.

Er, no.  The person who causes the problem gets to fix it.  Especially
when the problem is known beforehand, a workable solution is offered,
and you choose otherwise anyway.