+#ifndef CXX_GLOBAL_CSTD
+using std::time;
+#endif
+
+using lyx::support::ltrim;
+using lyx::support::MakeAbsPath;
+using lyx::support::OnlyFilename;
+using lyx::support::suffixIs;
+using lyx::support::sum;
+
+using std::endl;
+using std::flush;
+using std::getline;
+using std::string;