build ghc-ios

build-ios-ghc.hs

diff --git a/Cabal/Distribution/Simple.hs b/Cabal/Distribution/Simple.hs
index 02a5255..c2a0859 100644
--- a/Cabal/Distribution/Simple.hs
+++ b/Cabal/Distribution/Simple.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Distribution.Simple
@@ -142,7 +143,10 @@ import Control.Monad   (when)
 import Data.List       (intersperse, unionBy, nub, (\\))
 import Control.Exception (catch, throwIO)
 import Data.Maybe (maybeToList)
+
+#if __GLASGOW_HASKELL__ < 705
 import Prelude hiding (catch)
+#endif
 
 -- | A simple implementation of @main@ for a Cabal setup script.
 -- It reads the package description file using IO, and performs the
diff --git a/Cabal/Distribution/Simple/Configure.hs b/Cabal/Distribution/Simple/Configure.hs
index a0bc64f..cb4628a 100644
--- a/Cabal/Distribution/Simple/Configure.hs
+++ b/Cabal/Distribution/Simple/Configure.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Distribution.Simple.Configure
@@ -65,6 +66,10 @@ module Distribution.Simple.Configure (configure,
                                      )
     where
 
+#if __GLASGOW_HASKELL__ < 705
+import Prelude hiding (catch)
+#endif
+
 import Distribution.Simple.Compiler
     ( CompilerFlavor(..), Compiler(compilerId), compilerFlavor, compilerVersion
     , showCompilerId, unsupportedLanguages, unsupportedExtensions
diff --git a/Cabal/Distribution/Simple/PreProcess.hs b/Cabal/Distribution/Simple/PreProcess.hs
index 0128580..3e8c8dd 100644
--- a/Cabal/Distribution/Simple/PreProcess.hs
+++ b/Cabal/Distribution/Simple/PreProcess.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Distribution.Simple.PreProcess
@@ -103,7 +104,9 @@ import System.Info (os, arch)
 import System.IO.Error (isDoesNotExistError)
 import System.FilePath (splitExtension, dropExtensions, (</>), (<.>),
                         takeDirectory, normalise, replaceExtension)
+#if __GLASGOW_HASKELL__ < 705
 import Prelude hiding (catch)
+#endif
 
 -- |The interface to a preprocessor, which may be implemented using an
 -- external program, but need not be.  The arguments are the name of
diff --git a/Cabal/Distribution/Simple/Utils.hs b/Cabal/Distribution/Simple/Utils.hs
index 7df1950..d68d2f2 100644
--- a/Cabal/Distribution/Simple/Utils.hs
+++ b/Cabal/Distribution/Simple/Utils.hs
@@ -137,6 +137,9 @@ module Distribution.Simple.Utils (
         wrapLine,
   ) where
 
+#if __GLASGOW_HASKELL__ < 705
+import Prelude hiding (catch)
+#endif
 import Control.Monad
     ( when, unless, filterM )
 #ifdef __GLASGOW_HASKELL__
@@ -187,7 +190,7 @@ import qualified Distribution.ModuleName as ModuleName
 import Distribution.Version
     (Version(..))
 
-import Control.Exception (evaluate)
+import Control.Exception (evaluate, catch)
 import System.Process (runProcess)
 
 #ifdef __GLASGOW_HASKELL__