coqPackages_8_13.smtcoq: fix build by using older make

  propagatedBuildInputs = [ trakt cvc4 veriT' zchaff ] ++ (with coq.ocamlPackages; [ num zarith ]);

  mlPlugin = true;

  nativeBuildInputs = with coq.ocamlPackages; [ ocamlbuild ];

  nativeBuildInputs = (with pkgs; [ gnumake42 ]) ++ (with coq.ocamlPackages; [ ocamlbuild ]);

  # This is meant to ease future troubleshooting of cvc4 build failures

  passthru = { inherit cvc4; };