--- /dev/null
+/* -*- c++ -*- */
+
+%rename(prefix) gr_prefix;
+%rename(sysconfdir) gr_sysconfdir;
+%rename(prefsdir) gr_prefsdir;
+%rename(build_date) gr_build_date;
+%rename(version) gr_version;
+
+const std::string gr_prefix();
+const std::string gr_sysconfdir();
+const std::string gr_prefsdir();
+const std::string gr_build_date();
+const std::string gr_version();