import System.IO.Error ( mkIOError, eofErrorType )
import GHC.Real ( Ratio(..) )
import GHC.Exts
-import GHC.IOBase ( IO(..) )
import GHC.Word ( Word8(..) )
import System.IO ( openBinaryFile )
+#if __GLASGOW_HASKELL__ >= 611
+import GHC.IO ( IO(..) )
+#else
+import GHC.IOBase ( IO(..) )
+#endif
+
type BinArray = ForeignPtr Word8
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