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Def0 = case erlang:is_builtin(erlang, binary_to_integer, 1) andalso
erlang:is_builtin(erlang, binary_to_float, 1) of
true -> [];
false -> [{d, no_binary_to_whatever}]
end,
Def1 = case erlang:is_builtin(erlang, is_map, 1) of
true -> [{d, maps_support}|Def0];
false -> Def0
end,
Defs = case os:getenv("JSX_FORCE_MAPS") of
false -> Def1;
_ -> [{d, maps_always}|Def1]
end,
lists:keystore(erl_opts, 1, CONFIG,
{erl_opts, proplists:get_value(erl_opts, CONFIG, []) ++ Defs}).
|
