{pre_hooks, [
    {"(linux|darwin|solaris)", compile, "make -C c_src"},
    {"(freebsd|openbsd|netbsd)", compile, "gmake -C c_src"}
    ]}.

{post_hooks, [
    {"(linux|darwin|solaris)", clean, "make -C c_src clean"},
    {"(freebsd|openbsd|netbsd)", clean, "gmake -C c_src clean"}
    ]}.

{dialyzer, [
    {warnings, [
        unmatched_returns,
        error_handling,
        race_conditions,
        underspecs
    ]}]}.