# error This library requires C++
#endif
-#include <simgear/misc/props.hxx>
-#include <Main/fgfs.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/structure/subsystem_mgr.hxx>
class SGInterpTable;
*
* /instrumentation/altimeter/indicated-altitude-ft
*/
-class Altimeter : public FGSubsystem
+class Altimeter : public SGSubsystem
{
public: