anchor.diff:        wxGTK = wxGTK30;
         # Can be enabled since the bug has been fixed in https://github.com/erlang/otp/pull/2508
         parallelBuild = true;
  +      autoconf = autoconf269;
       };
       erlangR22_odbc = erlangR22.override { odbcSupport = true; };
       erlangR22_javac = erlangR22.override { javacSupport = true; };
  
positive.code: 
      # Basho fork, using custom builder.
      erlang_basho_R16B02 = lib.callErlang ../development/interpreters/erlang/R16B02-basho.nix {
      };
      erlang_basho_R16B02_odbc = erlang_basho_R16B02.override {
        odbcSupport = true;
  
negative.code:     erlangR19 = lib.callErlang ../development/interpreters/erlang/R19.nix {
        wxGTK = wxGTK30;
        openssl = openssl_1_0_2;
        autoconf = autoconf269;
      };
      erlangR19_odbc = erlangR19.override { odbcSupport = true; };
      erlangR19_javac = erlangR19.override { javacSupport = true; };
  