X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=compiler%2Futils%2FUtil.lhs;h=7057d321a13956a3f94868301a2e67cb92c9539d;hb=9412e62942ebab0599c7fb0b358a9d4869647b67;hp=217a4503c707ba226aa29c91ee9aab5904c9e5b5;hpb=e82f1baac558b855760e3011112d76397142bfc2;p=ghc-hetmet.git

diff --git a/compiler/utils/Util.lhs b/compiler/utils/Util.lhs
index 217a450..7057d32 100644
--- a/compiler/utils/Util.lhs
+++ b/compiler/utils/Util.lhs
@@ -6,7 +6,8 @@
 
 \begin{code}
 module Util (
-        debugIsOn, isWindowsHost,
+        ghciSupported, debugIsOn, ghciTablesNextToCode, picIsOn,
+        isWindowsHost, isWindowsTarget, isDarwinTarget,
 
         -- general list processing
         zipEqual, zipWithEqual, zipWith3Equal, zipWith4Equal,
@@ -93,7 +94,7 @@ import FastTypes
 #endif
 
 import Control.Monad    ( unless )
-import SYSTEM_IO_ERROR as IO ( catch, isDoesNotExistError )
+import System.IO.Error as IO ( catch, isDoesNotExistError )
 import System.Directory ( doesDirectoryExist, createDirectory,
                           getModificationTime )
 import System.FilePath hiding ( searchPathSeparator )
@@ -106,11 +107,18 @@ infixr 9 `thenCmp`
 
 %************************************************************************
 %*                                                                      *
-\subsection{Is DEBUG on, are we on Windows?}
+\subsection{Is DEBUG on, are we on Windows, etc?}
 %*                                                                      *
 %************************************************************************
 
 \begin{code}
+ghciSupported :: Bool
+#ifdef GHCI
+ghciSupported = True
+#else
+ghciSupported = False
+#endif
+
 debugIsOn :: Bool
 #ifdef DEBUG
 debugIsOn = True
@@ -118,12 +126,40 @@ debugIsOn = True
 debugIsOn = False
 #endif
 
+ghciTablesNextToCode :: Bool
+#ifdef GHCI_TABLES_NEXT_TO_CODE
+ghciTablesNextToCode = True
+#else
+ghciTablesNextToCode = False
+#endif
+
+picIsOn :: Bool
+#ifdef __PIC__
+picIsOn = True
+#else
+picIsOn = False
+#endif
+
 isWindowsHost :: Bool
 #ifdef mingw32_HOST_OS
 isWindowsHost = True
 #else
 isWindowsHost = False
 #endif
+
+isWindowsTarget :: Bool
+#ifdef mingw32_TARGET_OS
+isWindowsTarget = True
+#else
+isWindowsTarget = False
+#endif
+
+isDarwinTarget :: Bool
+#ifdef darwin_TARGET_OS
+isDarwinTarget = True
+#else
+isDarwinTarget = False
+#endif
 \end{code}
 
 %************************************************************************
@@ -376,16 +412,6 @@ isn'tIn msg x ys
 # endif /* DEBUG */
 \end{code}
 
-foldl1' was added in GHC 6.4
-
-\begin{code}
-#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ < 604
-foldl1'          :: (a -> a -> a) -> [a] -> a
-foldl1' f (x:xs) =  foldl' f x xs
-foldl1' _ []     =  panic "foldl1'"
-#endif
-\end{code}
-
 %************************************************************************
 %*                                                                      *
 \subsubsection[Utils-Carsten-mergesort]{A mergesort from Carsten}