rebar.config

{deps, [
        {oneshot, "1.7.0",
          {git, "https://github.com/mattsta/oneshot.git", {tag, "v1.7.0"}}}
       ]}.

{port_specs, [{"priv/stdin_forcer",     ["c_src/stdin_forcer.c"]},
              {"priv/errcat",           ["c_src/errcat.c"]}]}.