anchor.diff:                  {from, byte_code},
                   {files_rec, Paths},
                   {warnings, WarningTypes},
  -                {plts, [ProjectPlt]}],
  +                {plts, [ProjectPlt, DepPlt]}],
   
           case dialyzer:run(Opts) of
               [] ->
  
positive.code:     Opts0 =
          case filelib:is_file(DepPlt) of
              true ->
                  ?INFO("Plt is built, checking/updating ...", []),
                  [{analysis_type, plt_check},
                   {plts, [DepPlt]}];
              false ->
                  ?INFO("Building the plt, this is really going to "
                                 "take a long time ...", []),
                  [{analysis_type, plt_build},
                   {output_plt, DepPlt}]
          end,
  
negative.code: do(State) ->
      ?INFO("Dialyzer starting, this may take a while...", []),
      BuildDir = rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR),
      {ProjectPlt, DepPlt} = get_plt_location(BuildDir),
      Apps = rebar_state:project_apps(State),
      Deps = rebar_state:get(State, all_deps, []),
  
      try
          ?INFO("Doing plt for dependencies...", []),
          update_dep_plt(State, DepPlt, Deps),
          ?INFO("Doing plt for project apps...", []),
          update_dep_plt(State, ProjectPlt, Apps),
          WarningTypes = rebar_state:get(State, dialyzer_warnings, default_warnings()),
          Paths = [filename:join(rebar_app_info:dir(App), "ebin") || App <- Apps],
  