1%% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*-
2%% ex: ft=erlang ts=4 sw=4 et
3OtpVersion = erlang:system_info(otp_release),
4Config1 = case hd(OtpVersion) =:= $R andalso OtpVersion < "R15B02" of
5              true  ->
6                  HashDefine = [{d,old_hash}],
7                  case lists:keysearch(erl_opts, 1, CONFIG) of
8                      {value, {erl_opts, Opts}} ->
9                          lists:keyreplace(erl_opts,1,CONFIG,{erl_opts,Opts++HashDefine});
10                      false ->
11                          CONFIG ++ [{erl_opts, HashDefine}]
12                  end;
13              false -> CONFIG
14          end.
15