#define _ENVIRONMENT_MGR_HXX
#include <simgear/compiler.h>
-
-#include <Main/fgfs.hxx>
+#include <simgear/structure/subsystem_mgr.hxx>
#ifdef SG_HAVE_STD_INCLUDES
# include <cmath>
/**
* Manage environment information.
*/
-class FGEnvironmentMgr : public FGSubsystemGroup
+class FGEnvironmentMgr : public SGSubsystemGroup
{
public: