anchor.diff:  	    true
       end.
   
  +runtime_dependencies(Config) ->
  +    %% Verify that (at least) OTP application runtime dependencies found
  +    %% by xref are listed in the runtime_dependencies field of the .app file
  +    %% of each application.
  +    Server = ?config(xref_server, Config),
  +    {ok, AE} = xref:q(Server, "AE"),
  +    SAE = lists:keysort(1, AE),
  +    {AppDep, AppDeps} = lists:foldl(fun ({App, App}, Acc) ->
  +					    Acc;
  +					({App, Dep}, {undefined, []}) ->
  +					    {{App, [Dep]}, []};
  +					({App, Dep}, {{App, Deps}, AppDeps}) ->
  +					    {{App, [Dep|Deps]}, AppDeps};
  +					({App, Dep}, {AppDep, AppDeps}) ->
  +					    {{App, [Dep]}, [AppDep | AppDeps]}
  +				    end,
  +				    {undefined, []},
  +				    SAE),
  +    [] = check_apps_deps([AppDep|AppDeps]),
  +    ok.
  +
  +have_rdep(_App, [], _Dep) ->
  +    false;
  +have_rdep(App, [RDep | RDeps], Dep) ->		    
  +    [AppStr, _VsnStr] = string:tokens(RDep, "-"),
  +    case Dep == list_to_atom(AppStr) of
  +	true ->
  +	    io:format("~p -> ~s~n", [App, RDep]),
  +	    true;
  +	false ->
  +	    have_rdep(App, RDeps, Dep)
  +    end.
  +
  +check_app_deps(_App, _AppFile, _AFDeps, []) ->
  +    [];
  +check_app_deps(App, AppFile, AFDeps, [XRDep | XRDeps]) ->
  +    ResOtherDeps = check_app_deps(App, AppFile, AFDeps, XRDeps),
  +    case have_rdep(App, AFDeps, XRDep) of
  +	true ->
  +	    ResOtherDeps;
  +	false ->
  +	    [{missing_runtime_dependency, AppFile, XRDep} | ResOtherDeps]
  +    end.
  +
  +check_apps_deps([]) ->
  +    [];
  +check_apps_deps([{App, Deps}|AppDeps]) ->
  +    ResOtherApps = check_apps_deps(AppDeps),
  +    AppFile = code:where_is_file(atom_to_list(App) ++ ".app"),
  +    {ok,[{application, App, Info}]} = file:consult(AppFile),
  +    case lists:keyfind(runtime_dependencies, 1, Info) of
  +	{runtime_dependencies, RDeps} ->
  +	    check_app_deps(App, AppFile, RDeps, Deps) ++ ResOtherApps;
  +	false ->
  +	    [{missing_runtime_dependencies_key, AppFile} | ResOtherApps]
  +    end.
  +
   %%%
   %%% Common help functions.
   %%%
  
positive.code: -export([undefined_functions/1,deprecated_not_in_obsolete/1,
  	 obsolete_but_not_deprecated/1,call_to_deprecated/1,
           call_to_size_1/1,strong_components/1,
  	 erl_file_encoding/1,xml_file_encoding/1]).
  
  -include_lib("test_server/include/test_server.hrl").
  
  
negative.code:     [undefined_functions, deprecated_not_in_obsolete,
       obsolete_but_not_deprecated, call_to_deprecated,
       call_to_size_1, strong_components,
       erl_file_encoding, xml_file_encoding,
       runtime_dependencies].
  
  groups() -> 
      [].
  