gnu MP in libgcj

[Tom Tromey]

Bryce> The libgcj tree contains a copy of a (rather old) version of
Bryce> the gmp library. My understanding is that this was once going
Bryce> to be used to support the java.math.BigDecimal/BigInteger
Bryce> implementations, but became unneccessary when we got a
Bryce> pure-Java implementation.

Bryce> Should it be removed?

We've been planning to "remove" it as a side effect of moving libgcj
into the gcc tree -- we just won't move gmp.

Tom