[Yhc] Libffi

[Neil Mitchell]

> Oh the other problem with the ctypes version of libffi is that it has no
> AMD64 port, whereas the redhat one does. Perhaps a merging of the two
> would be best?

And perhaps the best people to do this are the ctypes people :) Does
someone want to prod their mailing list.

I noticed that GHC is thinking of moving to libffi, so we should
figure out the best ffilib for Haskell compilers and share our
knowledge with them

Thanks

Neil