only export byteswap functions for ghc >7.6

2016-12-12 11:04:52 +00:00
parent a33669ca6d
commit c692eb03fb
1 changed files with 6 additions and 4 deletions
@@ -271,14 +271,16 @@ import Data.Bits as X hiding (
  , unsafeShiftR
  )
 import Data.Word as X (
-    byteSwap16
-  , byteSwap32
-  , byteSwap64
-  , Word
+    Word
  , Word16
  , Word32
  , Word64
  , Word8
+#if (__GLASGOW_HASKELL__ >= 710)
+  , byteSwap16
+  , byteSwap32
+  , byteSwap64
+#endif
  )

 import Data.Either as X