--without-happy

[Simon Marlow]

> One more thing:
>=20
> The GHC source distribution contains the Happy-generated parsers. This
> means that to build from a source tarball, Happy is not required.
> Unfortunately the configure script checks for it and aborts=20
> if it's not
> found.
>=20
> To counter the problem in the Gentoo ebuilds, I apply the=20
> attached patch
> to the source. I think it would be a good idea to incorporate this or
> something similar (ideally, configure should be able to detect the
> prebuilt-parsers and skip the check).

I believe this was fixed in 5.04.  The configure script now checks for
the existence of the pre-generated parser before complaining about a
missing Happy.

Cheers,
	Simon