extern void dcpomatic_setup_gettext_i18n (std::string);
extern std::string md5_digest_head_tail (std::vector<boost::filesystem::path>, boost::uintmax_t size);
extern void ensure_ui_thread ();
extern void dcpomatic_setup_gettext_i18n (std::string);
extern std::string md5_digest_head_tail (std::vector<boost::filesystem::path>, boost::uintmax_t size);
extern void ensure_ui_thread ();