[project @ 2003-06-04 15:47:58 by simonmar]

[ghc-hetmet.git] / ghc / compiler / main / DriverUtil.hs

diff --git a/ghc/compiler/main/DriverUtil.hs b/ghc/compiler/main/DriverUtil.hs
index d9f095d..4932b9e 100644 (file)
--- a/ghc/compiler/main/DriverUtil.hs
+++ b/ghc/compiler/main/DriverUtil.hs
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------------
--- $Id: DriverUtil.hs,v 1.36 2003/03/04 10:39:58 simonmar Exp $
+-- $Id: DriverUtil.hs,v 1.38 2003/06/04 15:47:59 simonmar Exp $
 --
 -- Utils for the driver
 --
@@ -16,12 +16,12 @@ import Util
 import Panic
 import Config          ( cLeadingUnderscore )
 
-import EXCEPTION       ( Exception, finally, throwDyn, catchDyn )
+import EXCEPTION       ( Exception(..), finally, throwDyn, catchDyn, throw )
 import qualified EXCEPTION as Exception
 import DYNAMIC
 import DATA_IOREF      ( IORef, readIORef, writeIORef )
 
-import Directory       ( getDirectoryContents, doesDirectoryExist )
+import Directory
 import IO
 import List
 import Char
@@ -70,6 +70,16 @@ softGetDirectoryContents d
          )
 
 -----------------------------------------------------------------------------
+-- Create a hierarchy of directories
+
+createDirectoryHierarchy :: FilePath -> IO ()
+createDirectoryHierarchy dir = do
+  b <- doesDirectoryExist dir
+  when (not b) $ do
+       createDirectoryHierarchy (directoryOf dir)
+       createDirectory dir
+
+-----------------------------------------------------------------------------
 -- Verify that the 'dirname' portion of a FilePath exists.
 -- 
 doesDirNameExist :: FilePath -> IO Bool