Cannot benchmark about bytestring HOT 4 CLOSED

$ cabal build bench-bytestring -w ghc-7.0.4
...
BenchAll.hs:231:15: Not in scope: `getDataFileName'

$ cabal build bench-bytestring -w ghc-8.0.2
...
BenchAll.hs:136:46: error:
    • Couldn't match expected type ‘Benchmarkable’
                  with actual type ‘IO ()’
    • In the second argument of ‘($)’, namely
        ‘benchIntEncodingB nRepl e’
      In the expression:
        bench (name ++ " (" ++ show nRepl ++ ")")
        $ benchIntEncodingB nRepl e
      In an equation for ‘benchBE’:
          benchBE name e
            = bench (name ++ " (" ++ show nRepl ++ ")")
              $ benchIntEncodingB nRepl e

BenchAll.hs:169:13: error:
    • Couldn't match type ‘Word8’ with ‘Int’
      Expected type: Word8 -> Word8
        Actual type: Int -> Word8
    • In the expression: fromIntegral . hashInt . w
      In an equation for ‘hashWord8’:
          hashWord8 = fromIntegral . hashInt . w

BenchAll.hs:169:38: error:
    • Couldn't match type ‘Word8’ with ‘Int’
      Expected type: Int -> Int
        Actual type: Int -> Word8
    • In the second argument of ‘(.)’, namely ‘w’
      In the second argument of ‘(.)’, namely ‘hashInt . w’
      In the expression: fromIntegral . hashInt . w

BenchAll.hs:231:15: error:
    Variable not in scope: getDataFileName :: [Char] -> IO FilePath