static void init_locale() {
    #if defined _WIN32 || defined __APPLE__
        setlocale(LC_ALL, "English");
    #else
        std::setlocale(LC_ALL, "C");
        std::setlocale(LC_MESSAGES, "");
    #endif
    const std::string& intl_dir = get_intl_dir();
    bindtextdomain (PACKAGE, intl_dir.c_str());
    bind_textdomain_codeset (PACKAGE, "UTF-8");
    bindtextdomain (PACKAGE "-lib", intl_dir.c_str());
    bind_textdomain_codeset (PACKAGE "-lib", "UTF-8");
    textdomain (PACKAGE);
}