Fix some build issues

build.sh

@@ -69,7 +69,7 @@ done
 INSTALL_DIRS=`echo $INSTALLS | tr ' ' '\n' | sed 's#^#./#' | tr ' ' '\n'`
 
 echo CMD: cabal install --constraint "arithmoi -llvm" -j $INSTALL_DIRS --force-reinstalls --max-backjumps=-1 --reorder-goals
-  cabal install --constraint "arithmoi -llvm" -j $INSTALL_DIRS --force-reinstalls --max-backjumps=-1 --reorder-goals
+cabal install --constraint "arithmoi -llvm" -j $INSTALL_DIRS --force-reinstalls --max-backjumps=-1 --reorder-goals
 
 if hash ihaskell 2>/dev/null; then
     ihaskell install 2>/dev/null || echo "The command \"ihaskell install\" failed. Please check your 'ipython --version'. 3.0 or up is required but it is $(ipython --version)!"

ihaskell-display/ihaskell-charts/IHaskell/Display/Charts.hs

@@ -37,7 +37,7 @@ chartData renderable format = do
   mkFile opts filename renderable
 
   -- Convert to base64.
-  imgData <- readFile filename
+  imgData <- fmap Char.pack $ readFile filename
   return $
     case format of
       PNG -> png width height $ base64 imgData

src/IHaskell/IPython.hs

@@ -56,10 +56,10 @@ defaultKernelSpecOptions = KernelSpecOptions
   }
 
 -- | The IPython kernel name.
-kernelName :: IsString a => a
+kernelName :: String
 kernelName = "haskell"
 
-kernelArgs :: IsString a => [a]
+kernelArgs :: [String]
 kernelArgs = ["--kernel", kernelName]
 
 -- | Run the IPython command with any arguments. The kernel is set to IHaskell.
@@ -192,7 +192,7 @@ kernelSpecCreated = do
   Just ipython <- SH.which "ipython"
   out <- SH.silently $ SH.run ipython ["kernelspec", "list"]
   let kernelspecs = map T.strip $ T.lines out
-  return $ kernelName `elem` kernelspecs
+  return $ T.pack kernelName `elem` kernelspecs
 
 -- | Replace "~" with $HOME if $HOME is defined. Otherwise, do nothing.
 subHome :: String -> IO String

src/IHaskellPrelude.hs

@@ -77,7 +77,11 @@ import           GHC.Show               as X
 import           GHC.Enum               as X
 import           GHC.Num                as X
 import           GHC.Real               as X
+#if MIN_VERSION_ghc(7,10,0)
+import           GHC.Base               as X hiding (Any, mapM, foldr, sequence)
+#else
 import           GHC.Base               as X hiding (Any)
+#endif
 import           Data.List              as X hiding (head, last, tail, init, transpose, subsequences, permutations,
                                         foldl, foldl1, maximum, minimum, scanl, scanl1, scanr, scanr1,
                                         span, break, mapAccumL, mapAccumR, dropWhileEnd, (!!),