{erl_opts, [{i, "include"}]}.

{gpb_opts, [
    {i, "proto"},
    {f, ["service.proto"]},
    recursive,
    {module_name_suffix, "_pb"},
    {o_erl, "src/protobuf"},
    {o_hrl, "include"},
    include_as_lib,
    {strings_as_binaries, true},
    type_specs,
    report,
    verbose
]}.

{provider_hooks, [
    {pre, [
        {compile, {protobuf, compile}},
        {clean, {protobuf, clean}}
    ]}
]}.