extern void make_and_verify_dcp (std::shared_ptr<Film> film, std::vector<dcp::VerificationNote::Code> ignore = {});
extern void check_int_close (int a, int b, int d);
extern void check_int_close (std::pair<int, int>, std::pair<int, int>, int d);
+extern boost::filesystem::path find_file (boost::filesystem::path dir, std::string filename_part);
class LogSwitcher