WithProper = code:lib_dir(proper) /= {error, bad_name}.


ErlOpts =
    case WithProper of
        true ->
            [{d, 'WITH_PROPER'}];
        false ->
            []
    end,

[{eunit_opts, [
    verbose,
    {report, {
        eunit_surefire, [{dir,"."}]
    }}
]},
{erl_opts, [{i, "../"} | ErlOpts]}].