Make sure PA dfuns are keyed on the vectorised tycon in VectInfo

[ghc-hetmet.git] / compiler / main / SysTools.lhs

diff --git a/compiler/main/SysTools.lhs b/compiler/main/SysTools.lhs
index 87c5571..64e7b78 100644 (file)
--- a/compiler/main/SysTools.lhs
+++ b/compiler/main/SysTools.lhs
@@ -57,11 +57,7 @@ import Data.Maybe
 import Data.List
 
 #ifndef mingw32_HOST_OS
-#if __GLASGOW_HASKELL__ > 504
 import qualified System.Posix.Internals
-#else
-import qualified Posix
-#endif
 #else /* Must be Win32 */
 import Foreign
 import CString         ( CString, peekCString )
@@ -75,7 +71,6 @@ import GHC.IOBase       ( IOErrorType(..) )
 #else
 import System.Process  ( runInteractiveProcess, getProcessExitCode )
 import Control.Concurrent( forkIO, newChan, readChan, writeChan )
-import Data.Char        ( isSpace )
 import FastString       ( mkFastString )
 import SrcLoc           ( SrcLoc, mkSrcLoc, noSrcSpan, mkSrcSpan )
 #endif
@@ -411,7 +406,8 @@ runPp dflags args =   do
 runCc :: DynFlags -> [Option] -> IO ()
 runCc dflags args =   do 
   let (p,args0) = pgm_c dflags
-  (args1,mb_env) <- getGccEnv (args0++args)
+      args1 = args0 ++ args
+  mb_env <- getGccEnv args1
   runSomethingFiltered dflags cc_filter "C Compiler" p args1 mb_env
  where
   -- discard some harmless warnings from gcc that we can't turn off
@@ -467,22 +463,27 @@ runCc dflags args =   do
 isContainedIn :: String -> String -> Bool
 xs `isContainedIn` ys = any (xs `isPrefixOf`) (tails ys)
 
--- Turn the -B<dir> option to gcc into the GCC_EXEC_PREFIX env var, to
--- workaround a bug in MinGW gcc on Windows Vista, see bug #1110.
-getGccEnv :: [Option] -> IO ([Option], Maybe [(String,String)])
+-- If the -B<dir> option is set, add <dir> to PATH.  This works around
+-- a bug in gcc on Windows Vista where it can't find its auxiliary
+-- binaries (see bug #1110).
+getGccEnv :: [Option] -> IO (Maybe [(String,String)])
 getGccEnv opts = 
 #if __GLASGOW_HASKELL__ < 603
-  return (opts,Nothing)
+  return Nothing
 #else
   if null b_dirs
-     then return (opts,Nothing)
+     then return Nothing
      else do env <- getEnvironment
-             return (rest, Just (("GCC_EXEC_PREFIX", head b_dirs) : env))
+             return (Just (map mangle_path env))
  where
-  (b_dirs, rest) = partitionWith get_b_opt opts
+  (b_dirs, _) = partitionWith get_b_opt opts
 
   get_b_opt (Option ('-':'B':dir)) = Left dir
   get_b_opt other = Right other  
+
+  mangle_path (path,paths) | map toUpper path == "PATH" 
+        = (path, '\"' : head b_dirs ++ "\";" ++ paths)
+  mangle_path other = other
 #endif
 
 runMangle :: DynFlags -> [Option] -> IO ()
@@ -498,17 +499,22 @@ runSplit dflags args = do
 runAs :: DynFlags -> [Option] -> IO ()
 runAs dflags args = do 
   let (p,args0) = pgm_a dflags
-  runSomething dflags "Assembler" p (args0++args)
+      args1 = args0 ++ args
+  mb_env <- getGccEnv args1
+  runSomethingFiltered dflags id "Assembler" p args1 mb_env
 
 runLink :: DynFlags -> [Option] -> IO ()
 runLink dflags args = do 
   let (p,args0) = pgm_l dflags
-  runSomething dflags "Linker" p (args0++args)
+      args1 = args0 ++ args
+  mb_env <- getGccEnv args1
+  runSomethingFiltered dflags id "Linker" p args1 mb_env
 
 runMkDLL :: DynFlags -> [Option] -> IO ()
 runMkDLL dflags args = do
   let (p,args0) = pgm_dll dflags
-  (args1,mb_env) <- getGccEnv (args0++args)
+      args1 = args0 ++ args
+  mb_env <- getGccEnv (args0++args)
   runSomethingFiltered dflags id "Make DLL" p args1 mb_env
 
 touch :: DynFlags -> String -> String -> IO ()
@@ -573,7 +579,8 @@ newTempName dflags extn
   = do d <- getTempDir dflags
        x <- getProcessID
        findTempName (d ++ "/ghc" ++ show x ++ "_") 0
-  where 
+  where
+    findTempName :: FilePath -> Integer -> IO FilePath
     findTempName prefix x
       = do let filename = (prefix ++ show x) `joinFileExt` extn
           b  <- doesFileExist filename
@@ -590,6 +597,8 @@ getTempDir dflags@(DynFlags{tmpDir=tmp_dir})
            Nothing ->
                do x <- getProcessID
                   let prefix = tmp_dir ++ "/ghc" ++ show x ++ "_"
+                  let
+                      mkTempDir :: Integer -> IO FilePath
                       mkTempDir x
                        = let dirname = prefix ++ show x
                          in do createDirectory dirname
@@ -713,7 +722,11 @@ builderMainLoop dflags filter_fn pgm real_args mb_env = do
   hSetBuffering hStdErr LineBuffering
   forkIO (readerProc chan hStdOut filter_fn)
   forkIO (readerProc chan hStdErr filter_fn)
-  rc <- loop chan hProcess 2 1 ExitSuccess
+  -- we don't want to finish until 2 streams have been completed
+  -- (stdout and stderr)
+  -- nor until 1 exit code has been retrieved.
+  rc <- loop chan hProcess (2::Integer) (1::Integer) ExitSuccess
+  -- after that, we're done here.
   hClose hStdIn
   hClose hStdOut
   hClose hStdErr
@@ -867,12 +880,9 @@ getBaseDir = return Nothing
 
 #ifdef mingw32_HOST_OS
 foreign import ccall unsafe "_getpid" getProcessID :: IO Int -- relies on Int == Int32 on Windows
-#elif __GLASGOW_HASKELL__ > 504
-getProcessID :: IO Int
-getProcessID = System.Posix.Internals.c_getpid >>= return . fromIntegral
 #else
 getProcessID :: IO Int
-getProcessID = Posix.getProcessID
+getProcessID = System.Posix.Internals.c_getpid >>= return . fromIntegral
 #endif
 
 -- Divvy up text stream into lines, taking platform dependent