#define _FG_MARKER_BEACON_HXX
-#include <Main/fgfs.hxx>
#include <Main/fg_props.hxx>
#include <simgear/compiler.h>
-
+#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/math/interpolater.hxx>
#include <simgear/timing/timestamp.hxx>
#include <Sound/morse.hxx>
-class FGMarkerBeacon : public FGSubsystem
+class FGMarkerBeacon : public SGSubsystem
{
FGBeacon beacon;
FGMorse morse;