rebar.config.script

%% -*- erlang -*-

Opts = [

    {erl_opts, [
        {d, 'NIFEXT'}
    ]},

    {port_specs, [
        {"priv/erstar.so", ["c_src/*.c"]},
        {"priv/erstar_geo.so", ["c_src/geo/*.c"]}
    ]},

    {port_env, [

        {".*", "CXXFLAGS", "$CXXFLAGS -g -Wall -Werror -O3"},

        {"(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin)", "LDFLAGS", "$LDFLAGS -lstdc++"},

        %% OS X Leopard flags for 64-bit
        {"darwin9.*-64$", "CXXFLAGS", "-m64"},
        {"darwin9.*-64$", "LDFLAGS", "-arch x86_64"},

        %% OS X Snow Leopard flags for 32-bit
        {"darwin10.*-32$", "CXXFLAGS", "-m32"},
        {"darwin10.*-32$", "LDFLAGS", "-arch i386"}

    ]}

],

Append = fun
    (F, Config, []) ->
        Config;
    (F, Config, [{E, Opts} | Rest]) ->
        WereOpts = case lists:keysearch(E, 1, Config) of
            false ->
                [];
            {value, {E, Value}} ->
                Value
        end,
        F(F, lists:keystore(E, 1, Config, {E, WereOpts ++ Opts}), Rest)
end,

case os:getenv("ERSTAR_NIFEXT") of
    false ->
        CONFIG;
    _ ->
        Append(Append, CONFIG, Opts)
end.