Re-export Dynamic and Typeable bits

src/CommandLine.hs

@@ -3,11 +3,9 @@ module CommandLine (
     cmdProgressColour, cmdProgressInfo, cmdSkipConfigure, cmdSplitObjects
     ) where
 
-import Data.Dynamic (Dynamic)
 import Data.Either
 import qualified Data.HashMap.Strict as Map
 import Data.List.Extra
-import Data.Typeable (TypeRep)
 import Development.Shake hiding (Normal)
 import Hadrian.Utilities
 import System.Console.GetOpt

src/Hadrian/Utilities.hs

@@ -19,7 +19,10 @@ module Hadrian.Utilities (
     UseColour (..), putColoured, BuildProgressColour (..), putBuild,
     SuccessColour (..), putSuccess, ProgressInfo (..),
     putProgressInfo, renderAction, renderProgram, renderLibrary, renderBox,
-    renderUnicorn
+    renderUnicorn,
+
+    -- * Useful re-exports
+    Dynamic, fromDynamic, toDyn, TypeRep, typeOf
     ) where
 
 import Control.Monad.Extra