# define bcopy(from, to, n) memcpy(to, from, n)
# define FG_MEM_COPY(to,from,n) memcpy(to, from, n)
-# if _MSC_VER == 1200 // msvc++ 6.0
+# if _MSC_VER >= 1200 // msvc++ 6.0 or greater
# define SG_NAMESPACES
# define SG_HAVE_STD
# define SG_HAVE_STD_INCLUDES
# define STL_ITERATOR <iterator>
# define STL_FSTREAM <fstream>
# define STL_STDEXCEPT <stdexcept>
+#if (_COMPILER_VERSION < 740)
+# define STL_STRING <simgear/compatibility/irix_string>
+#else
# define STL_STRING <string>
+#endif
# define STL_STRSTREAM <strstream>
#pragma set woff 1001,1012,1014,1116,1155,1172,1174