[no subject]

  "A number can have any double-precision 64-bit format IEEE 754 value
  [IEEE 754]. These include a special "Not-a-Number" (NaN) value,
  positive and negative infinity, and positive and negative zero."

> I guess it's easy enough to add -mieee to CFLAGS when building on this
> platform, but couldn't it be configure's job somehow?

Yes. In order to add it, we need to know the output of "config.guess"
on your platform (if you look at configure.in, you will notice that
it already handles certain combinations of compiles and platforms).