%%%-------------------------------------------------------------------
%%% @author Evgeniy Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2013, Evgeniy Khramtsov
%%% @doc
%%%
%%% @end
%%% Created :  1 May 2013 by Evgeniy Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
Cfg = [%% Macros
       {roster_gateway_workaround, @roster_gateway_workaround@},
       {flash_hack, @flash_hack@},
       {transient_supervisors, @transient_supervisors@},
       {full_xml, @full_xml@},
       {nif, @nif@},
       {db_type, @db_type@},
       {debug, @debug@},
       {hipe, @hipe@},
       {pubsub_ng, @pubsub_ng@},

       %% Dependencies
       {mysql, @mysql@},
       {pgsql, @pgsql@},
       {pam, @pam@},
       {zlib, @zlib@},
       {stun, @stun@},
       {riak, @riak@},
       {json, @json@},
       {http, @http@},
       {iconv, @iconv@}],

Macros = lists:flatmap(
           fun({roster_gateway_workaround, true}) ->
                   [{d, 'ROSTER_GATEWAY_WORKAROUND'}];
              ({flash_hack, true}) ->
                   [{d, 'ENABLE_FLASH_HACK'}];
              ({transient_supervisors, true}) ->
                   [{d, 'NO_TRANSIENT_SUPERVISORS'}];
              ({full_xml, true}) ->
                   [{d, 'FULL_XML_SUPPORT'}];
              ({nif, true}) ->
                   [{d, 'NIF'}];
              ({db_type, mssql}) ->
                   [{d, 'mssql'}];
              (_) ->
                   []
           end, Cfg),

DebugInfo = case lists:keysearch(debug, 1, Cfg) of
                {value, {debug, true}} ->
                    [debug_info];
                _ ->
                    []
            end,

HiPE = case lists:keysearch(hipe, 1, Cfg) of
           {value, {hipe, true}} ->
               [native];
           _ ->
               []
       end,

Includes = [{i, "include"},
            {i, filename:join(["deps", "logger", "include"])},
            {i, filename:join(["deps", "xml", "include"])}],

SrcDirs = lists:foldl(
            fun({pubsub_ng, true}, Acc) ->
                    [mod_pubsub_ng|Acc];
               (_, Acc) ->
                    Acc
            end, [], Cfg),

Deps = [{logger, ".*", {git, "git://github.com/processone/p1_logger"}},
        {tls, ".*", {git, "git://github.com/processone/tls"}},
        {stringprep, ".*", {git, "git://github.com/processone/stringprep"}},
        {xml, ".*", {git, "git://github.com/processone/xml"}},
        {xmlrpc, ".*", {git, "git://github.com/etnt/xmlrpc"}}],

CfgDeps = lists:flatmap(
            fun({mysql, true}) ->
                    [{mysql, ".*", {git, "git://github.com/processone/mysql"}}];
               ({pgsql, true}) ->
                    [{pgsql, ".*", {git, "git://github.com/processone/pgsql"}}];
               ({pam, true}) ->
                    [{epam, ".*", {git, "git://github.com/processone/epam"}}];
               ({zlib, true}) ->
                    [{ezlib, ".*", {git, "git://github.com/processone/zlib"}}];
               ({stun, true}) ->
                    [{stun, ".*", {git, "git://github.com/processone/stun"}}];
               ({riak, true}) ->
                    [{riakc, ".*", {git, "git://github.com/basho/riak-erlang-client"}}];
               ({json, true}) ->
                    [{jiffy, ".*", {git, "git://github.com/davisp/jiffy"}}];
               ({iconv, true}) ->
                    [{iconv, ".*", {git, "git://github.com/processone/eiconv"}}];
               ({http, true}) ->
                    [{ibrowse, ".*", {git, "git://github.com/cmullaparthi/ibrowse"}},
                     {lhttpc, ".*", {git, "git://github.com/esl/lhttpc"}}];
               (_) ->
                    []
            end, Cfg),

Config = [{erl_opts, Includes ++ Macros ++ HiPE ++ DebugInfo},
          {src_dirs, [asn1, src | SrcDirs]},
          {sub_dirs, ["rel"]},
          {deps, Deps ++ CfgDeps}],
io:format("dynamic configuration:~n  ~p~n", [Config]),
Config.

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