scrypt

{erl_opts, [debug_info]}.

{project_plugins, [rebar3_proper]}.

{profiles, [
    {test, [
        {deps, [
            %% hex
            {proper, "1.3.0"}
        ]}
    ]}
]}.

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