diff --git a/package/gluon-config-mode-geo-location/src/checkgen.cpp b/package/gluon-config-mode-geo-location/src/checkgen.cpp
new file mode 100644
index 00000000..29286420
--- /dev/null
+++ b/package/gluon-config-mode-geo-location/src/checkgen.cpp
@@ -0,0 +1,20 @@
+#include <sstream>
+#include<string>
+#include <iostream>
+
+using namespace std;
+
+int main() {
+  stringstream s;
+
+  s << "if need_table('config_mode', nil, false) and need_table('config_mode.geo_location', nil, false) then" << endl;
+  s << "\tneed_boolean('config_mode.geo_location.show_altitude', false)" << endl;
+#ifdef WITHMAP
+  s << "\tneed_string('config_mode.geo_location.olurl', false)" << endl;
+  s << "\tneed_number('config_mode.geo_location.map_lon', false)" << endl;
+  s << "\tneed_number('config_mode.geo_location.map_lat', false)" << endl;
+#endif
+  s << "end" << endl;
+  cout << s.str();
+  return 0;
+}