restore the .cclib rule, which passes the contents directly to CC instead of via ocamlc.
restore the .cclib rule, which passes the contents directly to CC instead of via ocamlc.

The only difference is that ocamlc adds a -I<camllib> to the cc invocation, which is normally desirable, but not in the case of a Xen-crosscompile.  Therefore invoking cc directly is just more reliable in general.

mato/mirage-solo5,mato/mirage-solo5