anchor.diff:      OsType = os:type(),
       SourceFiles = old_get_sources(Config),
       Specs =
  -        case rebar_config:get(Config, so_specs, undefined) of
  +        case rebar_config:get_local(Config, so_specs, undefined) of
               undefined ->
                   Objects = port_objects(SourceFiles),
                   %% New form of so_specs is not provided. See if the old form
                   %% of {so_name} is available instead
                   Dir = "priv",
  -                SoName = case rebar_config:get(Config, so_name, undefined) of
  -                             undefined ->
  -                                 %% Ok, neither old nor new form is
  -                                 %% available. Use the app name and
  -                                 %% generate a sensible default.
  -                                 AppName = rebar_app_utils:app_name(AppFile),
  -                                 DrvName = ?FMT("~s_drv.so", [AppName]),
  -                                 filename:join([Dir, DrvName]);
  -                             AName ->
  -                                 %% Old form is available -- use it
  -                                 filename:join(Dir, AName)
  -                         end,
  +                SoName =
  +                    case rebar_config:get_local(Config, so_name, undefined) of
  +                        undefined ->
  +                            %% Ok, neither old nor new form is
  +                            %% available. Use the app name and
  +                            %% generate a sensible default.
  +                            AppName = rebar_app_utils:app_name(AppFile),
  +                            DrvName = ?FMT("~s_drv.so", [AppName]),
  +                            filename:join([Dir, DrvName]);
  +                        AName ->
  +                            %% Old form is available -- use it
  +                            filename:join(Dir, AName)
  +                    end,
                   [old_get_so_spec({SoName, Objects}, OsType)];
               SoSpecs ->
                   [old_get_so_spec(S, OsType) || S <- SoSpecs]
  
positive.code:     {SourceFiles, Specs}.
  
  old_get_sources(Config) ->
      RawSources = rebar_config:get_list(Config, port_sources,
                                         ["c_src/*.c"]),
      FilteredSources = old_filter_port_sources(RawSources),
      old_expand_sources(FilteredSources).
  
  
negative.code: %%
  
  get_specs(Config, AppFile) ->
      case rebar_config:get_local(Config, port_specs, undefined) of
          undefined ->
              %% TODO: DEPRECATED: remove support for non-port_specs syntax
              {old, old_get_specs(Config, AppFile)};
  