-#include <FGJSBBase.h>
-#include <input_output/FGXMLElement.h>
-#include <math/FGColumnVector3.h>
-#include <models/propulsion/FGForce.h>
-#include <math/FGFunction.h>
-
-#ifdef FGFS
-# include <simgear/compiler.h>
-# include STL_STRING
- SG_USING_STD(string);
- SG_USING_STD(cerr);
- SG_USING_STD(endl);
- SG_USING_STD(cout);
-#else
-# include <string>
- using std::string;
-# if !defined(sgi) || defined(__GNUC__) || (_COMPILER_VERSION >= 740)
- using std::cerr;
- using std::endl;
- using std::cout;
-# endif
-#endif
+#include "FGJSBBase.h"
+#include "math/FGColumnVector3.h"
+#include "models/propulsion/FGForce.h"
+#include "math/FGFunction.h"
+
+#include <string>