+extern std::string day_of_week_to_string (boost::gregorian::greg_weekday d);
+extern void emit_subtitle_image (dcpomatic::ContentTimePeriod period, dcp::SubtitleImage sub, dcp::Size size, boost::shared_ptr<TextDecoder> decoder);
+extern bool show_jobs_on_console (bool progress);
+extern void copy_in_bits (boost::filesystem::path from, boost::filesystem::path to, boost::function<void (float)>);