[MLton] power pc "port"

[Matthew Fluet]

> > > and then we die on the modules test and the script halts, the linker could
> > > not create a file called modules since a directory exists with that name.
> >
> > The mlton.cvs.HEAD/regression directory should not have a modules
> > directory.  Does the Mac OS X  compiler or linker create a modules
> > directory?
>
> My recent checkout of mlton has a modules directory, which is blank
> besides a CVS tag. This is on a p4 linux box.

You should  cvs update -d -P.
The -P tells cvs to prune empty directories (since CVS won't actually let
you remove the directory) and -d tells cvs to create new directories.
You can make this the default by editing your .cvsrc file.  Mine has:

cvs -z3 -q
update -d -P