+#ifdef HAVE_CONFIG
+# include <config.h>
+#endif
+
+#include <simgear/compiler.h>
+#include <simgear/timing/sg_time.hxx>
+
+#include STL_STRING
+
+#include <Airports/simple.hxx>
+
+SG_USING_STD(string);
+
+
+// Read in configuration (files and command line optoins) but only set
+// fg_root
+bool fgInitFGRoot ( int argc, char **argv );
+
+
+// Return the current base package version
+string fgBasePackageVersion();
+
+
+// Read in configuration (file and command line)
+bool fgInitConfig ( int argc, char **argv );
+
+
+// Initialize the localization
+SGPropertyNode *fgInitLocale(const char *language);
+
+
+// Init navaids and waypoints
+bool fgInitNav ();
+
+