#define _ENVIRONMENT_CTRL_HXX
#include <simgear/compiler.h>
+#include <simgear/structure/subsystem_mgr.hxx>
#ifdef SG_HAVE_STD_INCLUDES
# include <cmath>
class SGPropertyNode;
-#include <Main/fgfs.hxx>
-
#include "environment.hxx"
/**
* Interface to control environment information for a specific location.
*/
-class FGEnvironmentCtrl : public FGSubsystem
+class FGEnvironmentCtrl : public SGSubsystem
{
public: