m4-not-needed

[Emmanuel Thomé]

On Fri, Dec 10, 2010 at 11:46:03AM +0000, Jay K wrote:
> I've actually since gone and removed all the gmp/mpfr/mpc dependencies
> from our fork of gcc 4.5.1, with maybe some lost optimizations...

This sounds excessive, if you pretend that _as a consequence_ of this,
you've gone through these removal steps. As you say, fixing is easy:
    sed -e 's/M4=m4-not-needed/: # &/' -i gmp/configure


E.