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process 1.0.0.0 → 1.0.1.1

raw patch · 10 files changed

+6206/−503 lines, 10 filesdep ~basenew-uploader

Dependency ranges changed: base

Files

System/Cmd.hs view
@@ -16,129 +16,26 @@ -- ----------------------------------------------------------------------------- +-- later: {-# DEPRECATED "Use System.Process instead" #-} module System.Cmd     ( system,        -- :: String -> IO ExitCode       rawSystem,     -- :: FilePath -> [String] -> IO ExitCode     ) where -import Prelude--import System.Exit 	( ExitCode )--#ifdef __GLASGOW_HASKELL__+#ifndef __NHC__ import System.Process-import GHC.IOBase	( ioException, IOException(..), IOErrorType(..) )-#if !defined(mingw32_HOST_OS)-import System.Process.Internals-import System.Posix.Signals-#endif-#endif--#ifdef __HUGS__-import Hugs.System-#endif--#ifdef __NHC__-import System (system)-#endif---- ------------------------------------------------------------------------------ system--{-| -Computation @system cmd@ returns the exit code-produced when the operating system processes the command @cmd@.--This computation may fail with--   * @PermissionDenied@: The process has insufficient privileges to-     perform the operation.--   * @ResourceExhausted@: Insufficient resources are available to-     perform the operation.--   * @UnsupportedOperation@: The implementation does not support-     system calls.--On Windows, 'system' is implemented using Windows's native system-call, which ignores the @SHELL@ environment variable, and always-passes the command to the Windows command interpreter (@CMD.EXE@ or-@COMMAND.COM@), hence Unixy shell tricks will not work.--}-#ifdef __GLASGOW_HASKELL__-system :: String -> IO ExitCode-system "" = ioException (IOError Nothing InvalidArgument "system" "null command" Nothing)-system str = do-#if mingw32_HOST_OS-  p <- runCommand str-  waitForProcess p #else-  -- The POSIX version of system needs to do some manipulation of signal-  -- handlers.  Since we're going to be synchronously waiting for the child,-  -- we want to ignore ^C in the parent, but handle it the default way-  -- in the child (using SIG_DFL isn't really correct, it should be the-  -- original signal handler, but the GHC RTS will have already set up-  -- its own handler and we don't want to use that).-  old_int  <- installHandler sigINT  Ignore Nothing-  old_quit <- installHandler sigQUIT Ignore Nothing-  (cmd,args) <- commandToProcess str-  p <- runProcessPosix "runCommand" cmd args Nothing Nothing -		Nothing Nothing Nothing-		(Just defaultSignal) (Just defaultSignal)-  r <- waitForProcess p-  installHandler sigINT  old_int Nothing-  installHandler sigQUIT old_quit Nothing-  return r-#endif  /* mingw32_HOST_OS */-#endif  /* __GLASGOW_HASKELL__ */--{-|-The computation @'rawSystem' cmd args@ runs the operating system command-@cmd@ in such a way that it receives as arguments the @args@ strings-exactly as given, with no funny escaping or shell meta-syntax expansion.-It will therefore behave more portably between operating systems than 'system'.+import System -The return codes and possible failures are the same as for 'system'.--} rawSystem :: String -> [String] -> IO ExitCode-#ifdef __GLASGOW_HASKELL__-rawSystem cmd args = do--#if mingw32_HOST_OS-  p <- runProcess cmd args Nothing Nothing Nothing Nothing Nothing-  waitForProcess p-#else-  old_int  <- installHandler sigINT  Ignore Nothing-  old_quit <- installHandler sigQUIT Ignore Nothing-  p <- runProcessPosix "rawSystem" cmd args Nothing Nothing -		Nothing Nothing Nothing-		(Just defaultSignal) (Just defaultSignal)-  r <- waitForProcess p-  installHandler sigINT  old_int Nothing-  installHandler sigQUIT old_quit Nothing-  return r-#endif--#elif !mingw32_HOST_OS--- crude fallback implementation: could do much better than this under Unix rawSystem cmd args = system (unwords (map translate (cmd:args))) -translate :: String -> String-translate str = '\'' : foldr escape "'" str-  where	escape '\'' = showString "'\\''"-	escape c    = showChar c-#else /* mingw32_HOST_OS &&  ! __GLASGOW_HASKELL__ */-# if __HUGS__-rawSystem cmd args = system (unwords (cmd : map translate args))-# else-rawSystem cmd args = system (unwords (map translate (cmd:args)))-#endif- -- copied from System.Process (qv) translate :: String -> String translate str = '"' : snd (foldr escape (True,"\"") str)-  where	escape '"'  (b,     str) = (True,  '\\' : '"'  : str)-	escape '\\' (True,  str) = (True,  '\\' : '\\' : str)-	escape '\\' (False, str) = (False, '\\' : str)-	escape c    (b,     str) = (False, c : str)+  where escape '"'  (b,     str) = (True,  '\\' : '"'  : str)+        escape '\\' (True,  str) = (True,  '\\' : '\\' : str)+        escape '\\' (False, str) = (False, '\\' : str)+        escape c    (b,     str) = (False, c : str)+ #endif
System/Process.hs view
@@ -1,24 +1,20 @@-{-# OPTIONS_GHC -cpp -fffi #-}+{-# LANGUAGE CPP, ForeignFunctionInterface #-} ----------------------------------------------------------------------------- -- | -- Module      :  System.Process--- Copyright   :  (c) The University of Glasgow 2004+-- Copyright   :  (c) The University of Glasgow 2004-2008 -- License     :  BSD-style (see the file libraries/base/LICENSE) -- -- Maintainer  :  libraries@haskell.org -- Stability   :  experimental--- Portability :  portable+-- Portability :  non-portable (requires concurrency) -- -- Operations for creating and interacting with sub-processes. ----- For a simpler, but less powerful, interface, see the "System.Cmd" module.--- -----------------------------------------------------------------------------  -- ToDo: --	* Flag to control whether exiting the parent also kills the child.--- 	* Windows impl of runProcess should close the Handles.---      * Add system/rawSystem replacements  {- NOTES on createPipe:  @@ -34,32 +30,68 @@ -}  module System.Process (+#ifndef __HUGS__ 	-- * Running sub-processes+        createProcess,+        shell, proc,+        CreateProcess(..),+        CmdSpec(..),+        StdStream(..), 	ProcessHandle,++        -- ** Specific variants of createProcess 	runCommand, 	runProcess, 	runInteractiveCommand, 	runInteractiveProcess,+        readProcess,+        readProcessWithExitCode,+#endif+        system,+        rawSystem, +#ifndef __HUGS__ 	-- * Process completion 	waitForProcess, 	getProcessExitCode, 	terminateProcess,+#endif  ) where -import Prelude+import Prelude hiding (mapM) +#ifndef __HUGS__ import System.Process.Internals +import System.IO.Error+import qualified Control.Exception as C+import Control.Concurrent+import Control.Monad import Foreign-import Foreign.C -import System.IO 	( IOMode(..), Handle, hClose )+import Foreign.C+import System.IO+import Data.Maybe+#endif import System.Exit	( ExitCode(..) ) -import System.Posix.Internals-import GHC.IOBase	( FD )-import GHC.Handle 	( fdToHandle' )+#ifdef __GLASGOW_HASKELL__+import GHC.IOBase	( ioException, IOException(..), IOErrorType(..) )+#if !defined(mingw32_HOST_OS)+import System.Process.Internals+import System.Posix.Signals+#endif+#endif +#ifdef __HUGS__+import Hugs.System+#endif++#ifdef __NHC__+import System (system)+#endif+++#ifndef __HUGS__ -- ---------------------------------------------------------------------------- -- runCommand @@ -70,13 +102,8 @@   -> IO ProcessHandle  runCommand string = do-  (cmd,args) <- commandToProcess string-#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)-  runProcessPosix "runCommand" cmd args Nothing Nothing Nothing Nothing Nothing-	Nothing Nothing-#else-  runProcessWin32 "runCommand" cmd [] Nothing Nothing Nothing Nothing Nothing args-#endif+  (_,_,_,ph) <- runGenProcess_ "runCommand" (shell string) Nothing Nothing+  return ph  -- ---------------------------------------------------------------------------- -- runProcess@@ -88,49 +115,137 @@       Any 'Handle's passed to 'runProcess' are placed immediately in the       closed state.++     Note: consider using the more general 'createProcess' instead of+     'runProcess'. -} runProcess   :: FilePath			-- ^ Filename of the executable   -> [String]			-- ^ Arguments to pass to the executable   -> Maybe FilePath		-- ^ Optional path to the working directory   -> Maybe [(String,String)]	-- ^ Optional environment (otherwise inherit)-  -> Maybe Handle		-- ^ Handle to use for @stdin@-  -> Maybe Handle		-- ^ Handle to use for @stdout@-  -> Maybe Handle		-- ^ Handle to use for @stderr@+  -> Maybe Handle		-- ^ Handle to use for @stdin@ (Nothing => use existing @stdin@)+  -> Maybe Handle		-- ^ Handle to use for @stdout@ (Nothing => use existing @stdout@)+  -> Maybe Handle		-- ^ Handle to use for @stderr@ (Nothing => use existing @stderr@)   -> IO ProcessHandle  runProcess cmd args mb_cwd mb_env mb_stdin mb_stdout mb_stderr = do-#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)-  h <- runProcessPosix "runProcess" cmd args mb_cwd mb_env -	mb_stdin mb_stdout mb_stderr-	Nothing Nothing-#else-  h <- runProcessWin32 "runProcess" cmd args mb_cwd mb_env -	mb_stdin mb_stdout mb_stderr ""-#endif-  maybe (return ()) hClose mb_stdin-  maybe (return ()) hClose mb_stdout-  maybe (return ()) hClose mb_stderr-  return h+  (_,_,_,ph) <-+      runGenProcess_ "runProcess"+         (proc cmd args){ cwd = mb_cwd,+                          env = mb_env,+                          std_in  = mbToStd mb_stdin,+                          std_out = mbToStd mb_stdout,+                          std_err = mbToStd mb_stderr }+	  Nothing Nothing+  maybeClose mb_stdin+  maybeClose mb_stdout+  maybeClose mb_stderr+  return ph+ where+  maybeClose :: Maybe Handle -> IO ()+  maybeClose (Just  hdl)+    | hdl /= stdin && hdl /= stdout && hdl /= stderr = hClose hdl+  maybeClose _ = return () +  mbToStd :: Maybe Handle -> StdStream+  mbToStd Nothing    = Inherit+  mbToStd (Just hdl) = UseHandle hdl+ -- ----------------------------------------------------------------------------+-- createProcess++-- | Construct a 'CreateProcess' record for passing to 'createProcess',+-- representing a raw command with arguments.+proc :: FilePath -> [String] -> CreateProcess+proc cmd args = CreateProcess { cmdspec = RawCommand cmd args,+                                cwd = Nothing,+                                env = Nothing,+                                std_in = Inherit,+                                std_out = Inherit,+                                std_err = Inherit,+                                close_fds = False}++-- | Construct a 'CreateProcess' record for passing to 'createProcess',+-- representing a command to be passed to the shell.+shell :: String -> CreateProcess+shell str = CreateProcess { cmdspec = ShellCommand str,+                            cwd = Nothing,+                            env = Nothing,+                            std_in = Inherit,+                            std_out = Inherit,+                            std_err = Inherit,+                            close_fds = False}+                                            +{- |+This is the most general way to spawn an external process.  The+process can be a command line to be executed by a shell or a raw command+with a list of arguments.  The stdin, stdout, and stderr streams of+the new process may individually be attached to new pipes, to existing+'Handle's, or just inherited from the parent (the default.)++The details of how to create the process are passed in the+'CreateProcess' record.  To make it easier to construct a+'CreateProcess', the functions 'proc' and 'shell' are supplied that+fill in the fields with default values which can be overriden as+needed.++'createProcess' returns @(mb_stdin_hdl, mb_stdout_hdl, mb_stderr_hdl, p)@,+where ++ * if @std_in == CreatePipe@, then @mb_stdin_hdl@ will be @Just h@,+   where @h@ is the write end of the pipe connected to the child+   process's @stdin@.++ * otherwise, @mb_stdin_hdl == Nothing@++Similarly for @mb_stdout_hdl@ and @mb_stderr_hdl@.++For example, to execute a simple @ls@ command:++>   r <- createProcess (proc "ls" [])++To create a pipe from which to read the output of @ls@:++>   (_, Just hout, _, _) <-+>       createProcess (proc "ls" []){ std_out = CreatePipe }++To also set the directory in which to run @ls@:++>   (_, Just hout, _, _) <-+>       createProcess (proc "ls" []){ cwd = Just "\home\bob",+>                                     std_out = CreatePipe }++-}+createProcess+  :: CreateProcess+  -> IO (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle)+createProcess cp = do+  r <- runGenProcess_ "runGenProcess" cp Nothing Nothing+  maybeCloseStd (std_in  cp)+  maybeCloseStd (std_out cp)+  maybeCloseStd (std_err cp)+  return r+ where+  maybeCloseStd :: StdStream -> IO ()+  maybeCloseStd (UseHandle hdl)+    | hdl /= stdin && hdl /= stdout && hdl /= stderr = hClose hdl+  maybeCloseStd _ = return ()++-- ---------------------------------------------------------------------------- -- runInteractiveCommand  {- | Runs a command using the shell, and returns 'Handle's that may      be used to communicate with the process via its @stdin@, @stdout@,-     and @stderr@ respectively.+     and @stderr@ respectively. The 'Handle's are initially in binary+     mode; if you need them to be in text mode then use 'hSetBinaryMode'. -} runInteractiveCommand   :: String   -> IO (Handle,Handle,Handle,ProcessHandle) -runInteractiveCommand string = do-  (cmd,args) <- commandToProcess string-#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)-  runInteractiveProcess1 "runInteractiveCommand" cmd args Nothing Nothing-#else-  runInteractiveProcess1 "runInteractiveCommand" cmd [] Nothing Nothing args-#endif+runInteractiveCommand string =+  runInteractiveProcess1 "runInteractiveCommand" (shell string)  -- ---------------------------------------------------------------------------- -- runInteractiveProcess@@ -142,6 +257,9 @@     >   (inp,out,err,pid) <- runInteractiveProcess "..." >   forkIO (hPutStr inp str)++    The 'Handle's are initially in binary mode; if you need them to be+    in text mode then use 'hSetBinaryMode'. -} runInteractiveProcess   :: FilePath			-- ^ Filename of the executable@@ -150,82 +268,22 @@   -> Maybe [(String,String)]	-- ^ Optional environment (otherwise inherit)   -> IO (Handle,Handle,Handle,ProcessHandle) -#if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)--runInteractiveProcess cmd args mb_cwd mb_env = -  runInteractiveProcess1 "runInteractiveProcess" cmd args mb_cwd mb_env--runInteractiveProcess1 fun cmd args mb_cwd mb_env = do-  withFilePathException cmd $-   alloca $ \ pfdStdInput  ->-   alloca $ \ pfdStdOutput ->-   alloca $ \ pfdStdError  ->-   maybeWith withCEnvironment mb_env $ \pEnv ->-   maybeWith withCString mb_cwd $ \pWorkDir ->-   withMany withCString (cmd:args) $ \cstrs ->-   withArray0 nullPtr cstrs $ \pargs -> do-     proc_handle <- throwErrnoIfMinus1 fun-	                  (c_runInteractiveProcess pargs pWorkDir pEnv -				pfdStdInput pfdStdOutput pfdStdError)-     hndStdInput  <- fdToHandle pfdStdInput  WriteMode-     hndStdOutput <- fdToHandle pfdStdOutput ReadMode-     hndStdError  <- fdToHandle pfdStdError  ReadMode-     ph <- mkProcessHandle proc_handle-     return (hndStdInput, hndStdOutput, hndStdError, ph)--foreign import ccall unsafe "runInteractiveProcess" -  c_runInteractiveProcess-        ::  Ptr CString-	-> CString-        -> Ptr CString-        -> Ptr FD-        -> Ptr FD-        -> Ptr FD-        -> IO PHANDLE--#else--runInteractiveProcess cmd args mb_cwd mb_env = -  runInteractiveProcess1 "runInteractiveProcess" cmd args mb_cwd mb_env ""--runInteractiveProcess1 fun cmd args workDir env extra_cmdline- = withFilePathException cmd $ do-     let cmdline = translate cmd ++ -  		       concat (map ((' ':) . translate) args) ++-  		       (if null extra_cmdline then "" else ' ':extra_cmdline)-     withCString cmdline $ \pcmdline ->-      alloca $ \ pfdStdInput  ->-      alloca $ \ pfdStdOutput ->-      alloca $ \ pfdStdError  -> do-      maybeWith withCEnvironment env $ \pEnv -> do-      maybeWith withCString workDir $ \pWorkDir -> do-  	proc_handle <- throwErrnoIfMinus1 fun $-  			     c_runInteractiveProcess pcmdline pWorkDir pEnv-				  pfdStdInput pfdStdOutput pfdStdError-  	hndStdInput  <- fdToHandle pfdStdInput  WriteMode-  	hndStdOutput <- fdToHandle pfdStdOutput ReadMode-  	hndStdError  <- fdToHandle pfdStdError  ReadMode-	ph <- mkProcessHandle proc_handle-  	return (hndStdInput, hndStdOutput, hndStdError, ph)--foreign import ccall unsafe "runInteractiveProcess" -  c_runInteractiveProcess-        :: CString -        -> CString-        -> Ptr ()-        -> Ptr FD-        -> Ptr FD-        -> Ptr FD-        -> IO PHANDLE--#endif+runInteractiveProcess cmd args mb_cwd mb_env = do+  runInteractiveProcess1 "runInteractiveProcess" +        (proc cmd args){ cwd = mb_cwd, env = mb_env } -fdToHandle :: Ptr FD -> IOMode -> IO Handle-fdToHandle pfd mode = do-  fd <- peek pfd-  fdToHandle' fd (Just Stream)-     False{-not a socket-}-     ("fd:" ++ show fd) mode True{-binary-}+runInteractiveProcess1+  :: String+  -> CreateProcess+  -> IO (Handle,Handle,Handle,ProcessHandle)+runInteractiveProcess1 fun cmd = do+  (mb_in, mb_out, mb_err, p) <- +      runGenProcess_ fun+           cmd{ std_in  = CreatePipe,+                std_out = CreatePipe,+                std_err = CreatePipe } +           Nothing Nothing+  return (fromJust mb_in, fromJust mb_out, fromJust mb_err, p)  -- ---------------------------------------------------------------------------- -- waitForProcess@@ -248,16 +306,212 @@ 	-- (XXX but there's a small race window here during which another 	-- thread could close the handle or call waitForProcess) 	code <- throwErrnoIfMinus1 "waitForProcess" (c_waitForProcess h)-	withProcessHandle ph $ \p_ ->-	  case p_ of-	    ClosedHandle e -> return (p_,e)-	    OpenHandle ph  -> do-	      closePHANDLE ph+	withProcessHandle ph $ \p_' ->+	  case p_' of+	    ClosedHandle e -> return (p_',e)+	    OpenHandle ph' -> do+	      closePHANDLE ph' 	      let e = if (code == 0) 	  	   then ExitSuccess 		   else (ExitFailure (fromIntegral code)) 	      return (ClosedHandle e, e) +-- -----------------------------------------------------------------------------+--+-- | readProcess forks an external process, reads its standard output+-- strictly, blocking until the process terminates, and returns either the output+-- string, or, in the case of non-zero exit status, an error code, and+-- any output.+--+-- Output is returned strictly, so this is not suitable for+-- interactive applications.+--+-- Users of this function should compile with @-threaded@ if they+-- want other Haskell threads to keep running while waiting on+-- the result of readProcess.+--+-- >  > readProcess "date" [] []+-- >  Right "Thu Feb  7 10:03:39 PST 2008\n"+--+-- The argumenst are:+--+-- * The command to run, which must be in the $PATH, or an absolute path +--  +-- * A list of separate command line arguments to the program+--+-- * A string to pass on the standard input to the program.+--+readProcess +    :: FilePath                 -- ^ command to run+    -> [String]                 -- ^ any arguments+    -> String                   -- ^ standard input+    -> IO String                -- ^ stdout + stderr+readProcess cmd args input = do+    (Just inh, Just outh, _, pid) <-+        createProcess (proc cmd args){ std_in  = CreatePipe,+                                       std_out = CreatePipe,+                                       std_err = Inherit }++    -- fork off a thread to start consuming the output+    output  <- hGetContents outh+    outMVar <- newEmptyMVar+    forkIO $ C.evaluate (length output) >> putMVar outMVar ()++    -- now write and flush any input+    when (not (null input)) $ do hPutStr inh input; hFlush inh+    hClose inh -- done with stdin++    -- wait on the output+    takeMVar outMVar+    hClose outh++    -- wait on the process+    ex <- waitForProcess pid++    case ex of+     ExitSuccess   -> return output+     ExitFailure r -> +      ioError (mkIOError OtherError ("readProcess: " ++ cmd ++ +                                     ' ':unwords (map show args) ++ +                                     " (exit " ++ show r ++ ")")+                                 Nothing Nothing)++{- |+readProcessWithExitCode creates an external process, reads its+standard output and standard error strictly, waits until the process+terminates, and then returns the 'ExitCode' of the process,+the standard output, and the standard error.++'readProcess' and 'readProcessWithExitCode' are fairly simple wrappers+around 'createProcess'.  Constructing variants of these functions is+quite easy: follow the link to the source code to see how+'readProcess' is implemented.+-}++readProcessWithExitCode+    :: FilePath                 -- ^ command to run+    -> [String]                 -- ^ any arguments+    -> String                   -- ^ standard input+    -> IO (ExitCode,String,String) -- ^ exitcode, stdout, stderr+readProcessWithExitCode cmd args input = do+    (Just inh, Just outh, Just errh, pid) <-+        createProcess (proc cmd args){ std_in  = CreatePipe,+                                       std_out = CreatePipe,+                                       std_err = CreatePipe }++    outMVar <- newEmptyMVar++    -- fork off a thread to start consuming stdout+    out  <- hGetContents outh+    forkIO $ C.evaluate (length out) >> putMVar outMVar ()++    -- fork off a thread to start consuming stderr+    err  <- hGetContents errh+    forkIO $ C.evaluate (length err) >> putMVar outMVar ()++    -- now write and flush any input+    when (not (null input)) $ do hPutStr inh input; hFlush inh+    hClose inh -- done with stdin++    -- wait on the output+    takeMVar outMVar+    takeMVar outMVar+    hClose outh++    -- wait on the process+    ex <- waitForProcess pid++    return (ex, out, err)+#endif /* !__HUGS__ */++-- ---------------------------------------------------------------------------+-- system++{-| +Computation @system cmd@ returns the exit code produced when the+operating system runs the shell command @cmd@.++This computation may fail with++   * @PermissionDenied@: The process has insufficient privileges to+     perform the operation.++   * @ResourceExhausted@: Insufficient resources are available to+     perform the operation.++   * @UnsupportedOperation@: The implementation does not support+     system calls.++On Windows, 'system' passes the command to the Windows command+interpreter (@CMD.EXE@ or @COMMAND.COM@), hence Unixy shell tricks+will not work.+-}+#ifdef __GLASGOW_HASKELL__+system :: String -> IO ExitCode+system "" = ioException (IOError Nothing InvalidArgument "system" "null command" Nothing)+system str = syncProcess (shell str)+++syncProcess :: CreateProcess -> IO ExitCode+syncProcess c = do+#if mingw32_HOST_OS+  (_,_,_,p) <- createProcess c+  waitForProcess p+#else+  -- The POSIX version of system needs to do some manipulation of signal+  -- handlers.  Since we're going to be synchronously waiting for the child,+  -- we want to ignore ^C in the parent, but handle it the default way+  -- in the child (using SIG_DFL isn't really correct, it should be the+  -- original signal handler, but the GHC RTS will have already set up+  -- its own handler and we don't want to use that).+  old_int  <- installHandler sigINT  Ignore Nothing+  old_quit <- installHandler sigQUIT Ignore Nothing+  (_,_,_,p) <- runGenProcess_ "runCommand" c+		(Just defaultSignal) (Just defaultSignal)+  r <- waitForProcess p+  installHandler sigINT  old_int Nothing+  installHandler sigQUIT old_quit Nothing+  return r+#endif  /* mingw32_HOST_OS */+#endif  /* __GLASGOW_HASKELL__ */++{-|+The computation @'rawSystem' cmd args@ runs the operating system command+@cmd@ in such a way that it receives as arguments the @args@ strings+exactly as given, with no funny escaping or shell meta-syntax expansion.+It will therefore behave more portably between operating systems than 'system'.++The return codes and possible failures are the same as for 'system'.+-}+rawSystem :: String -> [String] -> IO ExitCode+#ifdef __GLASGOW_HASKELL__+rawSystem cmd args = syncProcess (proc cmd args)++#elif !mingw32_HOST_OS+-- crude fallback implementation: could do much better than this under Unix+rawSystem cmd args = system (unwords (map translate (cmd:args)))++translate :: String -> String+translate str = '\'' : foldr escape "'" str+  where	escape '\'' = showString "'\\''"+	escape c    = showChar c+#else /* mingw32_HOST_OS &&  ! __GLASGOW_HASKELL__ */+# if __HUGS__+rawSystem cmd args = system (unwords (cmd : map translate args))+# else+rawSystem cmd args = system (unwords (map translate (cmd:args)))+#endif++-- copied from System.Process (qv)+translate :: String -> String+translate str = '"' : snd (foldr escape (True,"\"") str)+  where	escape '"'  (b,     str) = (True,  '\\' : '"'  : str)+	escape '\\' (True,  str) = (True,  '\\' : '\\' : str)+	escape '\\' (False, str) = (False, '\\' : str)+	escape c    (b,     str) = (False, c : str)+#endif++#ifndef __HUGS__ -- ---------------------------------------------------------------------------- -- terminateProcess @@ -269,6 +523,13 @@ -- On Unix systems, 'terminateProcess' sends the process the SIGKILL signal. -- On Windows systems, the Win32 @TerminateProcess@ function is called, passing -- an exit code of 1.+--+-- Note: on Windows, if the process was a shell command created by+-- 'createProcess' with 'shell', or created by 'runCommand' or+-- 'runInteractiveCommand', then 'terminateProcess' will only+-- terminate the shell, not the command itself.  On Unix systems, both+-- processes are in a process group and will be terminated together.+ terminateProcess :: ProcessHandle -> IO () terminateProcess ph = do   withProcessHandle_ ph $ \p_ ->@@ -326,3 +587,4 @@   c_waitForProcess 	:: PHANDLE 	-> IO CInt+#endif /* !__HUGS__ */
System/Process/Internals.hs view
@@ -1,4 +1,8 @@-{-# OPTIONS_GHC -cpp -fffi #-}+{-# LANGUAGE CPP, ForeignFunctionInterface #-}+{-# OPTIONS_HADDOCK hide #-}+{-# OPTIONS_GHC -w #-}+-- XXX We get some warnings on Windows+ ----------------------------------------------------------------------------- -- | -- Module      :  System.Process.Internals@@ -19,53 +23,56 @@ 	ProcessHandle(..), ProcessHandle__(..),  	PHANDLE, closePHANDLE, mkProcessHandle,  	withProcessHandle, withProcessHandle_,+#ifdef __GLASGOW_HASKELL__+        CreateProcess(..),+        CmdSpec(..), StdStream(..),+	runGenProcess_, #endif #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) 	 pPrPr_disableITimers, c_execvpe,-# ifdef __GLASGOW_HASKELL__-	runProcessPosix,-# endif 	ignoreSignal, defaultSignal, #else # ifdef __GLASGOW_HASKELL__-	runProcessWin32, translate,+	translate, # endif #endif+#endif+	withFilePathException, withCEnvironment,+ #ifndef __HUGS__-	commandToProcess,+        fdToHandle, #endif-	withFilePathException, withCEnvironment   ) where -import Prelude -- necessary to get dependencies right-+#ifndef __HUGS__ #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) import System.Posix.Types ( CPid ) import System.Posix.Process.Internals ( pPrPr_disableITimers, c_execvpe )-import System.IO 	( Handle )+import System.IO 	( IOMode(..) ) #else import Data.Word ( Word32 ) import Data.IORef #endif+#endif +import System.IO 	( Handle ) import System.Exit	( ExitCode )-import Data.Maybe	( fromMaybe )-# ifdef __GLASGOW_HASKELL__-import GHC.IOBase	( haFD, FD, Exception(..), IOException(..) )-import GHC.Handle 	( stdin, stdout, stderr, withHandle_ )-# elif __HUGS__-import Hugs.Exception	( Exception(..), IOException(..) )-# endif- import Control.Concurrent-import Control.Exception ( handle, throwIO )+import Control.Exception import Foreign.C import Foreign +# ifdef __GLASGOW_HASKELL__+import System.Posix.Internals+import GHC.IOBase	( haFD, FD, IOException(..) )+import GHC.Handle+# elif __HUGS__+import Hugs.Exception	( IOException(..) )+# endif+ #if defined(mingw32_HOST_OS) import Control.Monad		( when ) import System.Directory		( doesFileExist )-import Control.Exception 	( catchJust, ioErrors ) import System.IO.Error		( isDoesNotExistError, doesNotExistErrorType, 				  mkIOError ) import System.Environment	( getEnv )@@ -148,36 +155,64 @@  -- ---------------------------------------------------------------------------- +data CreateProcess = CreateProcess{+  cmdspec   :: CmdSpec,                 -- ^ Executable & arguments, or shell command+  cwd       :: Maybe FilePath,          -- ^ Optional path to the working directory for the new process+  env       :: Maybe [(String,String)], -- ^ Optional environment (otherwise inherit from the current process)+  std_in    :: StdStream,               -- ^ How to determine stdin+  std_out   :: StdStream,               -- ^ How to determine stdout+  std_err   :: StdStream,               -- ^ How to determine stderr+  close_fds :: Bool                     -- ^ Close all file descriptors except stdin, stdout and stderr in the new process+ }++data CmdSpec +  = ShellCommand String            +      -- ^ a command line to execute using the shell+  | RawCommand FilePath [String]+      -- ^ the filename of an executable with a list of arguments++data StdStream+  = Inherit                             -- ^ Inherit Handle from parent+  | UseHandle Handle                    -- ^ Use the supplied Handle+  | CreatePipe                          -- ^ Create a new pipe++runGenProcess_+  :: String                     -- ^ function name (for error messages)+  -> CreateProcess+  -> Maybe CLong		-- ^ handler for SIGINT+  -> Maybe CLong		-- ^ handler for SIGQUIT+  -> IO (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle)+ #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)  #ifdef __GLASGOW_HASKELL__+ -- ----------------------------------------------------------------------------- -- POSIX runProcess with signal handling in the child -runProcessPosix-  :: String-  -> FilePath			-- ^ Filename of the executable-  -> [String]			-- ^ Arguments to pass to the executable-  -> Maybe FilePath		-- ^ Optional path to the working directory-  -> Maybe [(String,String)]	-- ^ Optional environment (otherwise inherit)-  -> Maybe Handle		-- ^ Handle to use for @stdin@-  -> Maybe Handle		-- ^ Handle to use for @stdout@-  -> Maybe Handle		-- ^ Handle to use for @stderr@-  -> Maybe CLong		-- handler for SIGINT-  -> Maybe CLong		-- handler for SIGQUIT-  -> IO ProcessHandle+runGenProcess_ fun CreateProcess{ cmdspec = cmdsp,+                                  cwd = mb_cwd,+                                  env = mb_env,+                                  std_in = mb_stdin,+                                  std_out = mb_stdout,+                                  std_err = mb_stderr,+                                  close_fds = mb_close_fds }+               mb_sigint mb_sigquit+ = do+  let (cmd,args) = commandToProcess cmdsp+  withFilePathException cmd $+   alloca $ \ pfdStdInput  ->+   alloca $ \ pfdStdOutput ->+   alloca $ \ pfdStdError  ->+   maybeWith withCEnvironment mb_env $ \pEnv ->+   maybeWith withCString mb_cwd $ \pWorkDir ->+   withMany withCString (cmd:args) $ \cstrs ->+   withArray0 nullPtr cstrs $ \pargs -> do+     +     fdin  <- mbFd fun fd_stdin  mb_stdin+     fdout <- mbFd fun fd_stdout mb_stdout+     fderr <- mbFd fun fd_stderr mb_stderr -runProcessPosix fun cmd args mb_cwd mb_env mb_stdin mb_stdout mb_stderr-	mb_sigint mb_sigquit- = withFilePathException cmd $ do-     fd_stdin  <- withHandle_ fun (fromMaybe stdin  mb_stdin)  $ return . haFD-     fd_stdout <- withHandle_ fun (fromMaybe stdout mb_stdout) $ return . haFD-     fd_stderr <- withHandle_ fun (fromMaybe stderr mb_stderr) $ return . haFD-	-- some of these might refer to the same Handle, so don't do-	-- nested withHandle_'s (that will deadlock).-     maybeWith withCEnvironment mb_env $ \pEnv -> do-     maybeWith withCString mb_cwd $ \pWorkDir -> do-     withMany withCString (cmd:args) $ \cstrs -> do      let (set_int, inthand)  		= case mb_sigint of 			Nothing   -> (0, 0)@@ -186,63 +221,95 @@ 		= case mb_sigquit of 			Nothing   -> (0, 0) 			Just hand -> (1, hand)-     withArray0 nullPtr cstrs $ \pargs -> do-         ph <- throwErrnoIfMinus1 fun $-		 c_runProcess pargs pWorkDir pEnv -			fd_stdin fd_stdout fd_stderr-			set_int inthand set_quit quithand-	 mkProcessHandle ph -foreign import ccall unsafe "runProcess" -  c_runProcess-        :: Ptr CString			-- args-        -> CString			-- working directory (or NULL)-        -> Ptr CString			-- env (or NULL)-        -> FD				-- stdin-        -> FD				-- stdout-        -> FD				-- stderr+     proc_handle <- throwErrnoIfMinus1 fun $+	                 c_runInteractiveProcess pargs pWorkDir pEnv +                                fdin fdout fderr+				pfdStdInput pfdStdOutput pfdStdError+			        set_int inthand set_quit quithand+                                (if mb_close_fds then 1 else 0)++     hndStdInput  <- mbPipe mb_stdin  pfdStdInput  WriteMode+     hndStdOutput <- mbPipe mb_stdout pfdStdOutput ReadMode+     hndStdError  <- mbPipe mb_stderr pfdStdError  ReadMode++     ph <- mkProcessHandle proc_handle+     return (hndStdInput, hndStdOutput, hndStdError, ph)++foreign import ccall unsafe "runInteractiveProcess" +  c_runInteractiveProcess+        ::  Ptr CString+	-> CString+        -> Ptr CString+        -> FD+        -> FD+        -> FD+        -> Ptr FD+        -> Ptr FD+        -> Ptr FD 	-> CInt				-- non-zero: set child's SIGINT handler 	-> CLong			-- SIGINT handler 	-> CInt				-- non-zero: set child's SIGQUIT handler 	-> CLong			-- SIGQUIT handler+        -> CInt                         -- close_fds         -> IO PHANDLE  #endif /* __GLASGOW_HASKELL__ */ -ignoreSignal  = CONST_SIG_IGN :: CLong-defaultSignal = CONST_SIG_DFL :: CLong+ignoreSignal, defaultSignal :: CLong+ignoreSignal  = CONST_SIG_IGN+defaultSignal = CONST_SIG_DFL  #else  #ifdef __GLASGOW_HASKELL__ -runProcessWin32 fun cmd args mb_cwd mb_env-	mb_stdin mb_stdout mb_stderr extra_cmdline- = withFilePathException cmd $ do-     fd_stdin  <- withHandle_ fun (fromMaybe stdin  mb_stdin)  $ return . haFD-     fd_stdout <- withHandle_ fun (fromMaybe stdout mb_stdout) $ return . haFD-     fd_stderr <- withHandle_ fun (fromMaybe stderr mb_stderr) $ return . haFD-	-- some of these might refer to the same Handle, so don't do-	-- nested withHandle_'s (that will deadlock).-     maybeWith withCEnvironment mb_env $ \pEnv -> do-     maybeWith withCString      mb_cwd $ \pWorkDir -> do-       let cmdline = translate cmd ++ -		   concat (map ((' ':) . translate) args) ++-		   (if null extra_cmdline then "" else ' ':extra_cmdline)-       withCString cmdline $ \pcmdline -> do-         proc_handle <- throwErrnoIfMinus1 fun-	                  (c_runProcess pcmdline pWorkDir pEnv -				fd_stdin fd_stdout fd_stderr)-	 mkProcessHandle proc_handle+runGenProcess_ fun CreateProcess{ cmdspec = cmdsp,+                                  cwd = mb_cwd,+                                  env = mb_env,+                                  std_in = mb_stdin,+                                  std_out = mb_stdout,+                                  std_err = mb_stderr,+                                  close_fds = _ignored_mb_close_fds }+               _ignored_mb_sigint _ignored_mb_sigquit+ = do+  (cmd, cmdline) <- commandToProcess cmdsp+  withFilePathException cmd $+   alloca $ \ pfdStdInput  ->+   alloca $ \ pfdStdOutput ->+   alloca $ \ pfdStdError  ->+   maybeWith withCEnvironment mb_env $ \pEnv ->+   maybeWith withCString mb_cwd $ \pWorkDir -> do+   withCString cmdline $ \pcmdline -> do+     +     fdin  <- mbFd fun fd_stdin  mb_stdin+     fdout <- mbFd fun fd_stdout mb_stdout+     fderr <- mbFd fun fd_stderr mb_stderr -foreign import ccall unsafe "runProcess" -  c_runProcess+     proc_handle <- throwErrnoIfMinus1 fun $+	                 c_runInteractiveProcess pcmdline pWorkDir pEnv +                                fdin fdout fderr+				pfdStdInput pfdStdOutput pfdStdError++     hndStdInput  <- mbPipe mb_stdin  pfdStdInput  WriteMode+     hndStdOutput <- mbPipe mb_stdout pfdStdOutput ReadMode+     hndStdError  <- mbPipe mb_stderr pfdStdError  ReadMode++     ph <- mkProcessHandle proc_handle+     return (hndStdInput, hndStdOutput, hndStdError, ph)+++foreign import ccall unsafe "runInteractiveProcess" +  c_runInteractiveProcess         :: CString         -> CString         -> Ptr ()         -> FD         -> FD         -> FD+        -> Ptr FD+        -> Ptr FD+        -> Ptr FD         -> IO PHANDLE  -- ------------------------------------------------------------------------@@ -317,6 +384,27 @@  #endif +fd_stdin, fd_stdout, fd_stderr :: FD+fd_stdin  = 0+fd_stdout = 1+fd_stderr = 2++mbFd :: String -> FD -> StdStream -> IO FD+mbFd _fun std Inherit         = return std+mbFd fun _std (UseHandle hdl) = withHandle_ fun hdl $ return . haFD+mbFd _   _std CreatePipe      = return (-1)++mbPipe :: StdStream -> Ptr FD -> IOMode -> IO (Maybe Handle)+mbPipe CreatePipe pfd  mode = fmap Just (pfdToHandle pfd mode)+mbPipe _std      _pfd _mode = return Nothing++pfdToHandle :: Ptr FD -> IOMode -> IO Handle+pfdToHandle pfd mode = do+  fd <- peek pfd+  fdToHandle' fd (Just Stream)+     False{-Windows: not a socket,  Unix: don't set non-blocking-}+     ("fd:" ++ show fd) mode True{-binary-}+ #ifndef __HUGS__ -- ---------------------------------------------------------------------------- -- commandToProcess@@ -337,33 +425,40 @@  #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) -commandToProcess-  :: String-  -> IO (FilePath,[String])-commandToProcess string = return ("/bin/sh", ["-c", string])+commandToProcess :: CmdSpec -> (FilePath, [String])+commandToProcess (ShellCommand string) = ("/bin/sh", ["-c", string])+commandToProcess (RawCommand cmd args) = (cmd, args)  #else  commandToProcess-  :: String-  -> IO (FilePath,String)-commandToProcess string = do+  :: CmdSpec+  -> IO (FilePath, String)+commandToProcess (ShellCommand string) = do   cmd <- findCommandInterpreter-  return (cmd, "/c "++string)+  return (cmd, translate cmd ++ "/c " ++ string) 	-- We don't want to put the cmd into a single 	-- argument, because cmd.exe will not try to split it up.  Instead, 	-- we just tack the command on the end of the cmd.exe command line, 	-- which partly works.  There seem to be some quoting issues, but 	-- I don't have the energy to find+fix them right now (ToDo). --SDM 	-- (later) Now I don't know what the above comment means.  sigh.+commandToProcess (RawCommand cmd args) = do+  return (cmd, translate cmd ++ concatMap ((' ':) . translate) args)  -- Find CMD.EXE (or COMMAND.COM on Win98).  We use the same algorithm as -- system() in the VC++ CRT (Vc7/crt/src/system.c in a VC++ installation). findCommandInterpreter :: IO FilePath findCommandInterpreter = do   -- try COMSPEC first-  catchJust ioErrors (getEnv "COMSPEC") $ \e -> do-    when (not (isDoesNotExistError e)) $ ioError e+#ifdef base3+  catchJust (\e -> case e of +                     IOException e | isDoesNotExistError e -> Just e+                     _otherwise -> Nothing)+#else+  catchJust (\e -> if isDoesNotExistError e then Just e else Nothing)+#endif+            (getEnv "COMSPEC") $ \e -> do      -- try to find CMD.EXE or COMMAND.COM     {-@@ -405,18 +500,21 @@ withFilePathException :: FilePath -> IO a -> IO a withFilePathException fpath act = handle mapEx act   where+#ifdef base4+    mapEx (IOError h iot fun str _) = ioError (IOError h iot fun str (Just fpath))+#else     mapEx (IOException (IOError h iot fun str _)) = ioError (IOError h iot fun str (Just fpath))-    mapEx e                                       = throwIO e+#endif  #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__) withCEnvironment :: [(String,String)] -> (Ptr CString  -> IO a) -> IO a-withCEnvironment env act =-  let env' = map (\(name, val) -> name ++ ('=':val)) env +withCEnvironment envir act =+  let env' = map (\(name, val) -> name ++ ('=':val)) envir    in withMany withCString env' (\pEnv -> withArray0 nullPtr pEnv act) #else withCEnvironment :: [(String,String)] -> (Ptr () -> IO a) -> IO a-withCEnvironment env act =-  let env' = foldr (\(name, val) env -> name ++ ('=':val)++'\0':env) "\0" env +withCEnvironment envir act =+  let env' = foldr (\(name, val) env -> name ++ ('=':val)++'\0':env) "\0" envir   in withCString env' (act . castPtr) #endif 
cbits/runProcess.c view
@@ -6,6 +6,7 @@  /* XXX This is a nasty hack; should put everything necessary in this package */ #include "HsBase.h"+#include "Rts.h"  #include "runProcess.h" @@ -17,23 +18,61 @@    UNIX versions    ------------------------------------------------------------------------- */ +static void+disableItimers()+{+#if !defined(USE_TIMER_CREATE)+    // we only need to do this if we're using itimers, because+    // timer_create timers are not carried across a fork().+    stopTimer();+#endif+}++static long max_fd = 0;+ ProcHandle-runProcess (char *const args[], char *workingDirectory, char **environment, -	    int fdStdInput, int fdStdOutput, int fdStdError,-	    int set_inthandler, long inthandler, -	    int set_quithandler, long quithandler)+runInteractiveProcess (char *const args[], +		       char *workingDirectory, char **environment,+                       int fdStdIn, int fdStdOut, int fdStdErr,+		       int *pfdStdInput, int *pfdStdOutput, int *pfdStdError,+                       int set_inthandler, long inthandler, +                       int set_quithandler, long quithandler,+                       int close_fds) {     int pid;+    int fdStdInput[2], fdStdOutput[2], fdStdError[2];     struct sigaction dfl; +    if (fdStdIn == -1) {+        pipe(fdStdInput);+    }+    if (fdStdOut == -1) {+        pipe(fdStdOutput);+    }+    if (fdStdErr == -1) {+        pipe(fdStdError);+    }+     switch(pid = fork())     {     case -1:+        if (fdStdIn == -1) {+            close(fdStdInput[0]);+            close(fdStdInput[1]);+        }+        if (fdStdOut == -1) {+            close(fdStdOutput[0]);+            close(fdStdOutput[1]);+        }+        if (fdStdErr == -1) {+            close(fdStdError[0]);+            close(fdStdError[1]);+        } 	return -1; 	     case 0:     {-	pPrPr_disableITimers();+        disableItimers(); 	 	if (workingDirectory) { 	    if (chdir (workingDirectory) < 0) {@@ -45,6 +84,53 @@ 	    } 	} 	+        if (fdStdIn == -1) {+            if (fdStdInput[0] != STDIN_FILENO) {+                dup2 (fdStdInput[0], STDIN_FILENO);+                close(fdStdInput[0]);+            }+            close(fdStdInput[1]);+        } else {+            dup2(fdStdIn,  STDIN_FILENO);+        }++        if (fdStdOut == -1) {+            if (fdStdOutput[1] != STDOUT_FILENO) {+                dup2 (fdStdOutput[1], STDOUT_FILENO);+                close(fdStdOutput[1]);+            }+            close(fdStdOutput[0]);+        } else {+            dup2(fdStdOut,  STDOUT_FILENO);+        }++        if (fdStdErr == -1) {+            if (fdStdError[1] != STDERR_FILENO) {+                dup2 (fdStdError[1], STDERR_FILENO);+                close(fdStdError[1]);+            }+            close(fdStdError[0]);+        } else {+            dup2(fdStdErr,  STDERR_FILENO);+        }+            +        if (close_fds) {+            int i;+            if (max_fd == 0) {+#if HAVE_SYSCONF+                max_fd = sysconf(_SC_OPEN_MAX);+                if (max_fd == -1) {+                    max_fd = 256;+                }+#else+                max_fd = 256;+#endif+            }+            for (i = 3; i < max_fd; i++) {+                close(i);+            }+        }+ 	/* Set the SIGINT/SIGQUIT signal handlers in the child, if requested  	 */         (void)sigemptyset(&dfl.sa_mask);@@ -58,78 +144,6 @@ 	    (void)sigaction(SIGQUIT,  &dfl, NULL); 	} -	dup2 (fdStdInput,  STDIN_FILENO);-	dup2 (fdStdOutput, STDOUT_FILENO);-	dup2 (fdStdError,  STDERR_FILENO);-	-	if (environment) {-	    execvpe(args[0], args, environment);-	} else {-	    execvp(args[0], args);-	}-    }-    _exit(127);-    }-    -    return pid;-}--ProcHandle-runInteractiveProcess (char *const args[], -		       char *workingDirectory, char **environment,-		       int *pfdStdInput, int *pfdStdOutput, int *pfdStdError)-{-    int pid;-    int fdStdInput[2], fdStdOutput[2], fdStdError[2];--    pipe(fdStdInput);-    pipe(fdStdOutput);-    pipe(fdStdError);--    switch(pid = fork())-    {-    case -1:-	close(fdStdInput[0]);-	close(fdStdInput[1]);-	close(fdStdOutput[0]);-	close(fdStdOutput[1]);-	close(fdStdError[0]);-	close(fdStdError[1]);-	return -1;-	-    case 0:-    {-	pPrPr_disableITimers();-	-	if (workingDirectory) {-	    if (chdir (workingDirectory) < 0) {-                // See #1593.  The convention for the exit code when-                // exec() fails seems to be 127 (gleened from C's-                // system()), but there's no equivalent convention for-                // chdir(), so I'm picking 126 --SimonM.-                _exit(126);-	    }-	}-	-	if (fdStdInput[0] != STDIN_FILENO) {-	    dup2 (fdStdInput[0], STDIN_FILENO);-	    close(fdStdInput[0]);-	}--	if (fdStdOutput[1] != STDOUT_FILENO) {-	    dup2 (fdStdOutput[1], STDOUT_FILENO);-	    close(fdStdOutput[1]);-	}--	if (fdStdError[1] != STDERR_FILENO) {-	    dup2 (fdStdError[1], STDERR_FILENO);-	    close(fdStdError[1]);-	}-	-	close(fdStdInput[1]);-	close(fdStdOutput[0]);-	close(fdStdError[0]);-	 	/* the child */ 	if (environment) { 	    execvpe(args[0], args, environment);@@ -140,13 +154,21 @@     _exit(127);          default:-	close(fdStdInput[0]);-	close(fdStdOutput[1]);-	close(fdStdError[1]);-	-	*pfdStdInput  = fdStdInput[1];-	*pfdStdOutput = fdStdOutput[0];-	*pfdStdError  = fdStdError[0];+	if (fdStdIn  == -1) {+            close(fdStdInput[0]);+            fcntl(fdStdInput[1], F_SETFD, FD_CLOEXEC);+            *pfdStdInput  = fdStdInput[1];+        }+	if (fdStdOut == -1) {+            close(fdStdOutput[1]);+            fcntl(fdStdOutput[0], F_SETFD, FD_CLOEXEC);+            *pfdStdOutput = fdStdOutput[0];+        }+        if (fdStdErr == -1) {+            close(fdStdError[1]);+            fcntl(fdStdError[0], F_SETFD, FD_CLOEXEC);+            *pfdStdError  = fdStdError[0];+        } 	break;     }     @@ -305,29 +327,85 @@ }  ProcHandle-runProcess (char *cmd, char *workingDirectory, void *environment,-	    int fdStdInput, int fdStdOutput, int fdStdError)+runInteractiveProcess (char *cmd, char *workingDirectory, void *environment,+                       int fdStdIn, int fdStdOut, int fdStdErr,+		       int *pfdStdInput, int *pfdStdOutput, int *pfdStdError) { 	STARTUPINFO sInfo; 	PROCESS_INFORMATION pInfo;+	HANDLE hStdInputRead   = INVALID_HANDLE_VALUE;+        HANDLE hStdInputWrite  = INVALID_HANDLE_VALUE;+	HANDLE hStdOutputRead  = INVALID_HANDLE_VALUE;+        HANDLE hStdOutputWrite = INVALID_HANDLE_VALUE;+	HANDLE hStdErrorRead   = INVALID_HANDLE_VALUE;+        HANDLE hStdErrorWrite  = INVALID_HANDLE_VALUE; 	DWORD flags;+	BOOL status;  	ZeroMemory(&sInfo, sizeof(sInfo));-	sInfo.cb = sizeof(sInfo);	-	sInfo.hStdInput = (HANDLE) _get_osfhandle(fdStdInput);-	sInfo.hStdOutput= (HANDLE) _get_osfhandle(fdStdOutput);-	sInfo.hStdError = (HANDLE) _get_osfhandle(fdStdError);+	sInfo.cb = sizeof(sInfo);+	sInfo.dwFlags = STARTF_USESTDHANDLES; -	if (sInfo.hStdInput == INVALID_HANDLE_VALUE)-		sInfo.hStdInput = NULL;-	if (sInfo.hStdOutput == INVALID_HANDLE_VALUE)-		sInfo.hStdOutput = NULL;-	if (sInfo.hStdError == INVALID_HANDLE_VALUE)-		sInfo.hStdError = NULL;+	if (fdStdIn == -1) {+            if (!mkAnonPipe(&hStdInputRead,  TRUE, &hStdInputWrite,  FALSE))+                goto cleanup_err;+            sInfo.hStdInput = hStdInputRead;+        } else if (fdStdIn == 0) {+            // Don't duplicate stdin, as console handles cannot be+            // duplicated and inherited. urg.+            sInfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE);+        } else {+            // The handle might not be inheritable, so duplicate it+            status = DuplicateHandle(GetCurrentProcess(), +                                     (HANDLE) _get_osfhandle(fdStdIn),+                                     GetCurrentProcess(), &hStdInputRead,+                                     0,+                                     TRUE, /* inheritable */+                                     DUPLICATE_SAME_ACCESS);+            if (!status) goto cleanup_err;+            sInfo.hStdInput = hStdInputRead;+        } -	if (sInfo.hStdInput || sInfo.hStdOutput || sInfo.hStdError)-		sInfo.dwFlags = STARTF_USESTDHANDLES;+	if (fdStdOut == -1) {+            if (!mkAnonPipe(&hStdOutputRead,  FALSE, &hStdOutputWrite,  TRUE))+                goto cleanup_err;+            sInfo.hStdOutput = hStdOutputWrite;+        } else if (fdStdOut == 1) {+            // Don't duplicate stdout, as console handles cannot be+            // duplicated and inherited. urg.+            sInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);+        } else {+            // The handle might not be inheritable, so duplicate it+            status = DuplicateHandle(GetCurrentProcess(), +                                     (HANDLE) _get_osfhandle(fdStdOut),+                                     GetCurrentProcess(), &hStdOutputWrite,+                                     0,+                                     TRUE, /* inheritable */+                                     DUPLICATE_SAME_ACCESS);+            if (!status) goto cleanup_err;+            sInfo.hStdOutput = hStdOutputWrite;+        } +	if (fdStdErr == -1) {+            if (!mkAnonPipe(&hStdErrorRead,  TRUE, &hStdErrorWrite,  TRUE))+                goto cleanup_err;+            sInfo.hStdError = hStdErrorWrite;+        } else if (fdStdErr == 2) {+            // Don't duplicate stderr, as console handles cannot be+            // duplicated and inherited. urg.+            sInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE);+        } else {+            /* The handle might not be inheritable, so duplicate it */+            status = DuplicateHandle(GetCurrentProcess(), +                                     (HANDLE) _get_osfhandle(fdStdErr),+                                     GetCurrentProcess(), &hStdErrorWrite,+                                     0,+                                     TRUE, /* inheritable */+                                     DUPLICATE_SAME_ACCESS);+            if (!status) goto cleanup_err;+            sInfo.hStdError = hStdErrorWrite;+        }+ 	if (sInfo.hStdInput  != GetStdHandle(STD_INPUT_HANDLE)  && 	    sInfo.hStdOutput != GetStdHandle(STD_OUTPUT_HANDLE) && 	    sInfo.hStdError  != GetStdHandle(STD_ERROR_HANDLE))@@ -337,75 +415,32 @@  	if (!CreateProcess(NULL, cmd, NULL, NULL, TRUE, flags, environment, workingDirectory, &sInfo, &pInfo)) 	{-		maperrno();-		return -1;-	}--	CloseHandle(pInfo.hThread);-	return (ProcHandle)pInfo.hProcess;-}--ProcHandle-runInteractiveProcess (char *cmd, char *workingDirectory, void *environment,-		       int *pfdStdInput, int *pfdStdOutput, int *pfdStdError)-{-	STARTUPINFO sInfo;-	PROCESS_INFORMATION pInfo;-	HANDLE hStdInputRead,  hStdInputWrite;-	HANDLE hStdOutputRead, hStdOutputWrite;-	HANDLE hStdErrorRead,  hStdErrorWrite;--	if (!mkAnonPipe(&hStdInputRead,  TRUE, &hStdInputWrite,  FALSE))-		return -1;--	if (!mkAnonPipe(&hStdOutputRead, FALSE, &hStdOutputWrite, TRUE))-	{-		CloseHandle(hStdInputRead);-		CloseHandle(hStdInputWrite);-		return -1;-	}--	if (!mkAnonPipe(&hStdErrorRead,  FALSE, &hStdErrorWrite,  TRUE))-	{-		CloseHandle(hStdInputRead);-		CloseHandle(hStdInputWrite);-		CloseHandle(hStdOutputRead);-		CloseHandle(hStdOutputWrite);-		return -1;-	}--	ZeroMemory(&sInfo, sizeof(sInfo));-	sInfo.cb = sizeof(sInfo);-	sInfo.dwFlags = STARTF_USESTDHANDLES;-	sInfo.hStdInput = hStdInputRead;-	sInfo.hStdOutput= hStdOutputWrite;-	sInfo.hStdError = hStdErrorWrite;--	if (!CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NO_WINDOW, environment, workingDirectory, &sInfo, &pInfo))-	{-		maperrno();-		CloseHandle(hStdInputRead);-		CloseHandle(hStdInputWrite);-		CloseHandle(hStdOutputRead);-		CloseHandle(hStdOutputWrite);-		CloseHandle(hStdErrorRead);-		CloseHandle(hStdErrorWrite);-		return -1;+                goto cleanup_err; 	} 	CloseHandle(pInfo.hThread);  	// Close the ends of the pipes that were inherited by the 	// child process.  This is important, otherwise we won't see 	// EOF on these pipes when the child process exits.-	CloseHandle(hStdInputRead);-	CloseHandle(hStdOutputWrite);-	CloseHandle(hStdErrorWrite);+        if (hStdInputRead   != INVALID_HANDLE_VALUE) CloseHandle(hStdInputRead);+        if (hStdOutputWrite != INVALID_HANDLE_VALUE) CloseHandle(hStdOutputWrite);+        if (hStdErrorWrite  != INVALID_HANDLE_VALUE) CloseHandle(hStdErrorWrite);  	*pfdStdInput  = _open_osfhandle((intptr_t) hStdInputWrite, _O_WRONLY); 	*pfdStdOutput = _open_osfhandle((intptr_t) hStdOutputRead, _O_RDONLY);-  	*pfdStdError  = _open_osfhandle((intptr_t) hStdErrorRead, _O_RDONLY);+  	*pfdStdError  = _open_osfhandle((intptr_t) hStdErrorRead,  _O_RDONLY);    	return (int) pInfo.hProcess;++cleanup_err:+        if (hStdInputRead   != INVALID_HANDLE_VALUE) CloseHandle(hStdInputRead);+        if (hStdInputWrite  != INVALID_HANDLE_VALUE) CloseHandle(hStdInputWrite);+        if (hStdOutputRead  != INVALID_HANDLE_VALUE) CloseHandle(hStdOutputRead);+        if (hStdOutputWrite != INVALID_HANDLE_VALUE) CloseHandle(hStdOutputWrite);+        if (hStdErrorRead   != INVALID_HANDLE_VALUE) CloseHandle(hStdErrorRead);+        if (hStdErrorWrite  != INVALID_HANDLE_VALUE) CloseHandle(hStdErrorWrite);+        maperrno();+        return -1; }  int
+ configure view
@@ -0,0 +1,5274 @@+#! /bin/sh+# Guess values for system-dependent variables and create Makefiles.+# Generated by GNU Autoconf 2.61 for Haskell process package 1.0.+#+# Report bugs to <libraries@haskell.org>.+#+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,+# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.+# This configure script is free software; the Free Software Foundation+# gives unlimited permission to copy, distribute and modify it.+## --------------------- ##+## M4sh Initialization.  ##+## --------------------- ##++# Be more Bourne compatible+DUALCASE=1; export DUALCASE # for MKS sh+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then+  emulate sh+  NULLCMD=:+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which+  # is contrary to our usage.  Disable this feature.+  alias -g '${1+"$@"}'='"$@"'+  setopt NO_GLOB_SUBST+else+  case `(set -o) 2>/dev/null` in+  *posix*) set -o posix ;;+esac++fi+++++# PATH needs CR+# Avoid depending upon Character Ranges.+as_cr_letters='abcdefghijklmnopqrstuvwxyz'+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'+as_cr_Letters=$as_cr_letters$as_cr_LETTERS+as_cr_digits='0123456789'+as_cr_alnum=$as_cr_Letters$as_cr_digits++# The user is always right.+if test "${PATH_SEPARATOR+set}" != set; then+  echo "#! /bin/sh" >conf$$.sh+  echo  "exit 0"   >>conf$$.sh+  chmod +x conf$$.sh+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then+    PATH_SEPARATOR=';'+  else+    PATH_SEPARATOR=:+  fi+  rm -f conf$$.sh+fi++# Support unset when possible.+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then+  as_unset=unset+else+  as_unset=false+fi+++# IFS+# We need space, tab and new line, in precisely that order.  Quoting is+# there to prevent editors from complaining about space-tab.+# (If _AS_PATH_WALK were called with IFS unset, it would disable word+# splitting by setting IFS to empty value.)+as_nl='+'+IFS=" ""	$as_nl"++# Find who we are.  Look in the path if we contain no directory separator.+case $0 in+  *[\\/]* ) as_myself=$0 ;;+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break+done+IFS=$as_save_IFS++     ;;+esac+# We did not find ourselves, most probably we were run as `sh COMMAND'+# in which case we are not to be found in the path.+if test "x$as_myself" = x; then+  as_myself=$0+fi+if test ! -f "$as_myself"; then+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2+  { (exit 1); exit 1; }+fi++# Work around bugs in pre-3.0 UWIN ksh.+for as_var in ENV MAIL MAILPATH+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var+done+PS1='$ '+PS2='> '+PS4='+ '++# NLS nuisances.+for as_var in \+  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \+  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \+  LC_TELEPHONE LC_TIME+do+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then+    eval $as_var=C; export $as_var+  else+    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var+  fi+done++# Required to use basename.+if expr a : '\(a\)' >/dev/null 2>&1 &&+   test "X`expr 00001 : '.*\(...\)'`" = X001; then+  as_expr=expr+else+  as_expr=false+fi++if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then+  as_basename=basename+else+  as_basename=false+fi+++# Name of the executable.+as_me=`$as_basename -- "$0" ||+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \+	 X"$0" : 'X\(//\)$' \| \+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||+echo X/"$0" |+    sed '/^.*\/\([^/][^/]*\)\/*$/{+	    s//\1/+	    q+	  }+	  /^X\/\(\/\/\)$/{+	    s//\1/+	    q+	  }+	  /^X\/\(\/\).*/{+	    s//\1/+	    q+	  }+	  s/.*/./; q'`++# CDPATH.+$as_unset CDPATH+++if test "x$CONFIG_SHELL" = x; then+  if (eval ":") 2>/dev/null; then+  as_have_required=yes+else+  as_have_required=no+fi++  if test $as_have_required = yes && 	 (eval ":+(as_func_return () {+  (exit \$1)+}+as_func_success () {+  as_func_return 0+}+as_func_failure () {+  as_func_return 1+}+as_func_ret_success () {+  return 0+}+as_func_ret_failure () {+  return 1+}++exitcode=0+if as_func_success; then+  :+else+  exitcode=1+  echo as_func_success failed.+fi++if as_func_failure; then+  exitcode=1+  echo as_func_failure succeeded.+fi++if as_func_ret_success; then+  :+else+  exitcode=1+  echo as_func_ret_success failed.+fi++if as_func_ret_failure; then+  exitcode=1+  echo as_func_ret_failure succeeded.+fi++if ( set x; as_func_ret_success y && test x = \"\$1\" ); then+  :+else+  exitcode=1+  echo positional parameters were not saved.+fi++test \$exitcode = 0) || { (exit 1); exit 1; }++(+  as_lineno_1=\$LINENO+  as_lineno_2=\$LINENO+  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&+  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }+") 2> /dev/null; then+  :+else+  as_candidate_shells=+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  case $as_dir in+	 /*)+	   for as_base in sh bash ksh sh5; do+	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"+	   done;;+       esac+done+IFS=$as_save_IFS+++      for as_shell in $as_candidate_shells $SHELL; do+	 # Try only shells that exist, to save several forks.+	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&+		{ ("$as_shell") 2> /dev/null <<\_ASEOF+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then+  emulate sh+  NULLCMD=:+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which+  # is contrary to our usage.  Disable this feature.+  alias -g '${1+"$@"}'='"$@"'+  setopt NO_GLOB_SUBST+else+  case `(set -o) 2>/dev/null` in+  *posix*) set -o posix ;;+esac++fi+++:+_ASEOF+}; then+  CONFIG_SHELL=$as_shell+	       as_have_required=yes+	       if { "$as_shell" 2> /dev/null <<\_ASEOF+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then+  emulate sh+  NULLCMD=:+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which+  # is contrary to our usage.  Disable this feature.+  alias -g '${1+"$@"}'='"$@"'+  setopt NO_GLOB_SUBST+else+  case `(set -o) 2>/dev/null` in+  *posix*) set -o posix ;;+esac++fi+++:+(as_func_return () {+  (exit $1)+}+as_func_success () {+  as_func_return 0+}+as_func_failure () {+  as_func_return 1+}+as_func_ret_success () {+  return 0+}+as_func_ret_failure () {+  return 1+}++exitcode=0+if as_func_success; then+  :+else+  exitcode=1+  echo as_func_success failed.+fi++if as_func_failure; then+  exitcode=1+  echo as_func_failure succeeded.+fi++if as_func_ret_success; then+  :+else+  exitcode=1+  echo as_func_ret_success failed.+fi++if as_func_ret_failure; then+  exitcode=1+  echo as_func_ret_failure succeeded.+fi++if ( set x; as_func_ret_success y && test x = "$1" ); then+  :+else+  exitcode=1+  echo positional parameters were not saved.+fi++test $exitcode = 0) || { (exit 1); exit 1; }++(+  as_lineno_1=$LINENO+  as_lineno_2=$LINENO+  test "x$as_lineno_1" != "x$as_lineno_2" &&+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }++_ASEOF+}; then+  break+fi++fi++      done++      if test "x$CONFIG_SHELL" != x; then+  for as_var in BASH_ENV ENV+        do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var+        done+        export CONFIG_SHELL+        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}+fi+++    if test $as_have_required = no; then+  echo This script requires a shell more modern than all the+      echo shells that I found on your system.  Please install a+      echo modern shell, or manually run the script under such a+      echo shell if you do have one.+      { (exit 1); exit 1; }+fi+++fi++fi++++(eval "as_func_return () {+  (exit \$1)+}+as_func_success () {+  as_func_return 0+}+as_func_failure () {+  as_func_return 1+}+as_func_ret_success () {+  return 0+}+as_func_ret_failure () {+  return 1+}++exitcode=0+if as_func_success; then+  :+else+  exitcode=1+  echo as_func_success failed.+fi++if as_func_failure; then+  exitcode=1+  echo as_func_failure succeeded.+fi++if as_func_ret_success; then+  :+else+  exitcode=1+  echo as_func_ret_success failed.+fi++if as_func_ret_failure; then+  exitcode=1+  echo as_func_ret_failure succeeded.+fi++if ( set x; as_func_ret_success y && test x = \"\$1\" ); then+  :+else+  exitcode=1+  echo positional parameters were not saved.+fi++test \$exitcode = 0") || {+  echo No shell found that supports shell functions.+  echo Please tell autoconf@gnu.org about your system,+  echo including any error possibly output before this+  echo message+}++++  as_lineno_1=$LINENO+  as_lineno_2=$LINENO+  test "x$as_lineno_1" != "x$as_lineno_2" &&+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {++  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO+  # uniformly replaced by the line number.  The first 'sed' inserts a+  # line-number line after each line using $LINENO; the second 'sed'+  # does the real work.  The second script uses 'N' to pair each+  # line-number line with the line containing $LINENO, and appends+  # trailing '-' during substitution so that $LINENO is not a special+  # case at line end.+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the+  # scripts with optimization help from Paolo Bonzini.  Blame Lee+  # E. McMahon (1931-1989) for sed's syntax.  :-)+  sed -n '+    p+    /[$]LINENO/=+  ' <$as_myself |+    sed '+      s/[$]LINENO.*/&-/+      t lineno+      b+      :lineno+      N+      :loop+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/+      t loop+      s/-\n.*//+    ' >$as_me.lineno &&+  chmod +x "$as_me.lineno" ||+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2+   { (exit 1); exit 1; }; }++  # Don't try to exec as it changes $[0], causing all sort of problems+  # (the dirname of $[0] is not the place where we might find the+  # original and so on.  Autoconf is especially sensitive to this).+  . 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See below for descriptions of some of the useful variables.++Defaults for the options are specified in brackets.++Configuration:+  -h, --help              display this help and exit+      --help=short        display options specific to this package+      --help=recursive    display the short help of all the included packages+  -V, --version           display version information and exit+  -q, --quiet, --silent   do not print \`checking...' messages+      --cache-file=FILE   cache test results in FILE [disabled]+  -C, --config-cache      alias for \`--cache-file=config.cache'+  -n, --no-create         do not create output files+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']++Installation directories:+  --prefix=PREFIX         install architecture-independent files in PREFIX+			  [$ac_default_prefix]+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX+			  [PREFIX]++By default, \`make install' will install all the files in+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify+an installation prefix other than \`$ac_default_prefix' using \`--prefix',+for instance \`--prefix=\$HOME'.++For better control, use the options below.++Fine tuning of the installation directories:+  --bindir=DIR           user executables [EPREFIX/bin]+  --sbindir=DIR          system admin executables [EPREFIX/sbin]+  --libexecdir=DIR       program executables [EPREFIX/libexec]+  --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]+  --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]+  --localstatedir=DIR    modifiable single-machine data [PREFIX/var]+  --libdir=DIR           object code libraries [EPREFIX/lib]+  --includedir=DIR       C header files [PREFIX/include]+  --oldincludedir=DIR    C header files for non-gcc [/usr/include]+  --datarootdir=DIR      read-only arch.-independent data root [PREFIX/share]+  --datadir=DIR          read-only architecture-independent data [DATAROOTDIR]+  --infodir=DIR          info documentation [DATAROOTDIR/info]+  --localedir=DIR        locale-dependent data [DATAROOTDIR/locale]+  --mandir=DIR           man documentation [DATAROOTDIR/man]+  --docdir=DIR           documentation root [DATAROOTDIR/doc/process]+  --htmldir=DIR          html documentation [DOCDIR]+  --dvidir=DIR           dvi documentation [DOCDIR]+  --pdfdir=DIR           pdf documentation [DOCDIR]+  --psdir=DIR            ps documentation [DOCDIR]+_ACEOF++  cat <<\_ACEOF+_ACEOF+fi++if test -n "$ac_init_help"; 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If you think this+configuration is useful to you, please write to autoconf@gnu.org." >&5+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools+whose name does not start with the host triplet.  If you think this+configuration is useful to you, please write to autoconf@gnu.org." >&2;}+ac_tool_warned=yes ;;+esac+    CC=$ac_ct_CC+  fi+else+  CC="$ac_cv_prog_CC"+fi++if test -z "$CC"; then+          if test -n "$ac_tool_prefix"; then+    # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.+set dummy ${ac_tool_prefix}cc; ac_word=$2+{ echo "$as_me:$LINENO: checking for $ac_word" >&5+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }+if test "${ac_cv_prog_CC+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if test -n "$CC"; then+  ac_cv_prog_CC="$CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  for ac_exec_ext in '' $ac_executable_extensions; do+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then+    ac_cv_prog_CC="${ac_tool_prefix}cc"+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5+    break 2+  fi+done+done+IFS=$as_save_IFS++fi+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+  { echo "$as_me:$LINENO: result: $CC" >&5+echo "${ECHO_T}$CC" >&6; }+else+  { echo "$as_me:$LINENO: result: no" >&5+echo "${ECHO_T}no" >&6; }+fi+++  fi+fi+if test -z "$CC"; then+  # Extract the first word of "cc", so it can be a program name with args.+set dummy cc; ac_word=$2+{ echo "$as_me:$LINENO: checking for $ac_word" >&5+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }+if test "${ac_cv_prog_CC+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if test -n "$CC"; then+  ac_cv_prog_CC="$CC" # Let the user override the test.+else+  ac_prog_rejected=no+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  for ac_exec_ext in '' $ac_executable_extensions; do+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then+       ac_prog_rejected=yes+       continue+     fi+    ac_cv_prog_CC="cc"+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5+    break 2+  fi+done+done+IFS=$as_save_IFS++if test $ac_prog_rejected = yes; then+  # We found a bogon in the path, so make sure we never use it.+  set dummy $ac_cv_prog_CC+  shift+  if test $# != 0; then+    # We chose a different compiler from the bogus one.+    # However, it has the same basename, so the bogon will be chosen+    # first if we set CC to just the basename; use the full file name.+    shift+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"+  fi+fi+fi+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+  { echo "$as_me:$LINENO: result: $CC" >&5+echo "${ECHO_T}$CC" >&6; }+else+  { echo "$as_me:$LINENO: result: no" >&5+echo "${ECHO_T}no" >&6; }+fi+++fi+if test -z "$CC"; then+  if test -n "$ac_tool_prefix"; then+  for ac_prog in cl.exe+  do+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.+set dummy $ac_tool_prefix$ac_prog; ac_word=$2+{ echo "$as_me:$LINENO: checking for $ac_word" >&5+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }+if test "${ac_cv_prog_CC+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if test -n "$CC"; then+  ac_cv_prog_CC="$CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  for ac_exec_ext in '' $ac_executable_extensions; do+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5+    break 2+  fi+done+done+IFS=$as_save_IFS++fi+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+  { echo "$as_me:$LINENO: result: $CC" >&5+echo "${ECHO_T}$CC" >&6; }+else+  { echo "$as_me:$LINENO: result: no" >&5+echo "${ECHO_T}no" >&6; }+fi+++    test -n "$CC" && break+  done+fi+if test -z "$CC"; then+  ac_ct_CC=$CC+  for ac_prog in cl.exe+do+  # Extract the first word of "$ac_prog", so it can be a program name with args.+set dummy $ac_prog; ac_word=$2+{ echo "$as_me:$LINENO: checking for $ac_word" >&5+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if test -n "$ac_ct_CC"; then+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  for ac_exec_ext in '' $ac_executable_extensions; do+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then+    ac_cv_prog_ac_ct_CC="$ac_prog"+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5+    break 2+  fi+done+done+IFS=$as_save_IFS++fi+fi+ac_ct_CC=$ac_cv_prog_ac_ct_CC+if test -n "$ac_ct_CC"; then+  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5+echo "${ECHO_T}$ac_ct_CC" >&6; }+else+  { echo "$as_me:$LINENO: result: no" >&5+echo "${ECHO_T}no" >&6; }+fi+++  test -n "$ac_ct_CC" && break+done++  if test "x$ac_ct_CC" = x; then+    CC=""+  else+    case $cross_compiling:$ac_tool_warned in+yes:)+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools+whose name does not start with the host triplet.  If you think this+configuration is useful to you, please write to autoconf@gnu.org." >&5+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools+whose name does not start with the host triplet.  If you think this+configuration is useful to you, please write to autoconf@gnu.org." >&2;}+ac_tool_warned=yes ;;+esac+    CC=$ac_ct_CC+  fi+fi++fi+++test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH+See \`config.log' for more details." >&5+echo "$as_me: error: no acceptable C compiler found in \$PATH+See \`config.log' for more details." >&2;}+   { (exit 1); exit 1; }; }++# Provide some information about the compiler.+echo "$as_me:$LINENO: checking for C compiler version" >&5+ac_compiler=`set X $ac_compile; echo $2`+{ (ac_try="$ac_compiler --version >&5"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compiler --version >&5") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }+{ (ac_try="$ac_compiler -v >&5"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compiler -v >&5") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }+{ (ac_try="$ac_compiler -V >&5"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compiler -V >&5") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }++cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */++int+main ()+{++  ;+  return 0;+}+_ACEOF+ac_clean_files_save=$ac_clean_files+ac_clean_files="$ac_clean_files a.out a.exe b.out"+# Try to create an executable without -o first, disregard a.out.+# It will help us diagnose broken compilers, and finding out an intuition+# of exeext.+{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5+echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; }+ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`+#+# List of possible output files, starting from the most likely.+# The algorithm is not robust to junk in `.', hence go to wildcards (a.*)+# only as a last resort.  b.out is created by i960 compilers.+ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out'+#+# The IRIX 6 linker writes into existing files which may not be+# executable, retaining their permissions.  Remove them first so a+# subsequent execution test works.+ac_rmfiles=+for ac_file in $ac_files+do+  case $ac_file in+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;+    * ) ac_rmfiles="$ac_rmfiles $ac_file";;+  esac+done+rm -f $ac_rmfiles++if { (ac_try="$ac_link_default"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link_default") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; then+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'+# in a Makefile.  We should not override ac_cv_exeext if it was cached,+# so that the user can short-circuit this test for compilers unknown to+# Autoconf.+for ac_file in $ac_files ''+do+  test -f "$ac_file" || continue+  case $ac_file in+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj )+	;;+    [ab].out )+	# We found the default executable, but exeext='' is most+	# certainly right.+	break;;+    *.* )+        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;+	then :; else+	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`+	fi+	# We set ac_cv_exeext here because the later test for it is not+	# safe: cross compilers may not add the suffix if given an `-o'+	# argument, so we may need to know it at that point already.+	# Even if this section looks crufty: it has the advantage of+	# actually working.+	break;;+    * )+	break;;+  esac+done+test "$ac_cv_exeext" = no && ac_cv_exeext=++else+  ac_file=''+fi++{ echo "$as_me:$LINENO: result: $ac_file" >&5+echo "${ECHO_T}$ac_file" >&6; }+if test -z "$ac_file"; then+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++{ { echo "$as_me:$LINENO: error: C compiler cannot create executables+See \`config.log' for more details." >&5+echo "$as_me: error: C compiler cannot create executables+See \`config.log' for more details." >&2;}+   { (exit 77); exit 77; }; }+fi++ac_exeext=$ac_cv_exeext++# Check that the compiler produces executables we can run.  If not, either+# the compiler is broken, or we cross compile.+{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5+echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; }+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0+# If not cross compiling, check that we can run a simple program.+if test "$cross_compiling" != yes; then+  if { ac_try='./$ac_file'+  { (case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_try") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; }; then+    cross_compiling=no+  else+    if test "$cross_compiling" = maybe; then+	cross_compiling=yes+    else+	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.+If you meant to cross compile, use \`--host'.+See \`config.log' for more details." >&5+echo "$as_me: error: cannot run C compiled programs.+If you meant to cross compile, use \`--host'.+See \`config.log' for more details." >&2;}+   { (exit 1); exit 1; }; }+    fi+  fi+fi+{ echo "$as_me:$LINENO: result: yes" >&5+echo "${ECHO_T}yes" >&6; }++rm -f a.out a.exe conftest$ac_cv_exeext b.out+ac_clean_files=$ac_clean_files_save+# Check that the compiler produces executables we can run.  If not, either+# the compiler is broken, or we cross compile.+{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5+echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; }+{ echo "$as_me:$LINENO: result: $cross_compiling" >&5+echo "${ECHO_T}$cross_compiling" >&6; }++{ echo "$as_me:$LINENO: checking for suffix of executables" >&5+echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; }+if { (ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; then+  # If both `conftest.exe' and `conftest' are `present' (well, observable)+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will+# work properly (i.e., refer to `conftest.exe'), while it won't with+# `rm'.+for ac_file in conftest.exe conftest conftest.*; do+  test -f "$ac_file" || continue+  case $ac_file in+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`+	  break;;+    * ) break;;+  esac+done+else+  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link+See \`config.log' for more details." >&5+echo "$as_me: error: cannot compute suffix of executables: cannot compile and link+See \`config.log' for more details." >&2;}+   { (exit 1); exit 1; }; }+fi++rm -f conftest$ac_cv_exeext+{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5+echo "${ECHO_T}$ac_cv_exeext" >&6; }++rm -f conftest.$ac_ext+EXEEXT=$ac_cv_exeext+ac_exeext=$EXEEXT+{ echo "$as_me:$LINENO: checking for suffix of object files" >&5+echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; }+if test "${ac_cv_objext+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */++int+main ()+{++  ;+  return 0;+}+_ACEOF+rm -f conftest.o conftest.obj+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; then+  for ac_file in conftest.o conftest.obj conftest.*; do+  test -f "$ac_file" || continue;+  case $ac_file in+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;;+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`+       break;;+  esac+done+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile+See \`config.log' for more details." >&5+echo "$as_me: error: cannot compute suffix of object files: cannot compile+See \`config.log' for more details." >&2;}+   { (exit 1); exit 1; }; }+fi++rm -f conftest.$ac_cv_objext conftest.$ac_ext+fi+{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5+echo "${ECHO_T}$ac_cv_objext" >&6; }+OBJEXT=$ac_cv_objext+ac_objext=$OBJEXT+{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5+echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }+if test "${ac_cv_c_compiler_gnu+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */++int+main ()+{+#ifndef __GNUC__+       choke me+#endif++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_compiler_gnu=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_compiler_gnu=no+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+ac_cv_c_compiler_gnu=$ac_compiler_gnu++fi+{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }+GCC=`test $ac_compiler_gnu = yes && echo yes`+ac_test_CFLAGS=${CFLAGS+set}+ac_save_CFLAGS=$CFLAGS+{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5+echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }+if test "${ac_cv_prog_cc_g+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  ac_save_c_werror_flag=$ac_c_werror_flag+   ac_c_werror_flag=yes+   ac_cv_prog_cc_g=no+   CFLAGS="-g"+   cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */++int+main ()+{++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_cv_prog_cc_g=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	CFLAGS=""+      cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */++int+main ()+{++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  :+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_c_werror_flag=$ac_save_c_werror_flag+	 CFLAGS="-g"+	 cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */++int+main ()+{++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_cv_prog_cc_g=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5+++fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+   ac_c_werror_flag=$ac_save_c_werror_flag+fi+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }+if test "$ac_test_CFLAGS" = set; then+  CFLAGS=$ac_save_CFLAGS+elif test $ac_cv_prog_cc_g = yes; then+  if test "$GCC" = yes; then+    CFLAGS="-g -O2"+  else+    CFLAGS="-g"+  fi+else+  if test "$GCC" = yes; then+    CFLAGS="-O2"+  else+    CFLAGS=+  fi+fi+{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5+echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }+if test "${ac_cv_prog_cc_c89+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  ac_cv_prog_cc_c89=no+ac_save_CC=$CC+cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <stdarg.h>+#include <stdio.h>+#include <sys/types.h>+#include <sys/stat.h>+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */+struct buf { int x; };+FILE * (*rcsopen) (struct buf *, struct stat *, int);+static char *e (p, i)+     char **p;+     int i;+{+  return p[i];+}+static char *f (char * (*g) (char **, int), char **p, ...)+{+  char *s;+  va_list v;+  va_start (v,p);+  s = g (p, va_arg (v,int));+  va_end (v);+  return s;+}++/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has+   function prototypes and stuff, but not '\xHH' hex character constants.+   These don't provoke an error unfortunately, instead are silently treated+   as 'x'.  The following induces an error, until -std is added to get+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an+   array size at least.  It's necessary to write '\x00'==0 to get something+   that's true only with -std.  */+int osf4_cc_array ['\x00' == 0 ? 1 : -1];++/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters+   inside strings and character constants.  */+#define FOO(x) 'x'+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];++int test (int i, double x);+struct s1 {int (*f) (int a);};+struct s2 {int (*f) (double a);};+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);+int argc;+char **argv;+int+main ()+{+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];+  ;+  return 0;+}+_ACEOF+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"+do+  CC="$ac_save_CC $ac_arg"+  rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_cv_prog_cc_c89=$ac_arg+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5+++fi++rm -f core conftest.err conftest.$ac_objext+  test "x$ac_cv_prog_cc_c89" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC++fi+# AC_CACHE_VAL+case "x$ac_cv_prog_cc_c89" in+  x)+    { echo "$as_me:$LINENO: result: none needed" >&5+echo "${ECHO_T}none needed" >&6; } ;;+  xno)+    { echo "$as_me:$LINENO: result: unsupported" >&5+echo "${ECHO_T}unsupported" >&6; } ;;+  *)+    CC="$CC $ac_cv_prog_cc_c89"+    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5+echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;+esac+++ac_ext=c+ac_cpp='$CPP $CPPFLAGS'+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'+ac_compiler_gnu=$ac_cv_c_compiler_gnu++++ac_ext=c+ac_cpp='$CPP $CPPFLAGS'+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'+ac_compiler_gnu=$ac_cv_c_compiler_gnu+{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }+# On Suns, sometimes $CPP names a directory.+if test -n "$CPP" && test -d "$CPP"; then+  CPP=+fi+if test -z "$CPP"; then+  if test "${ac_cv_prog_CPP+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+      # Double quotes because CPP needs to be expanded+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"+    do+      ac_preproc_ok=false+for ac_c_preproc_warn_flag in '' yes+do+  # Use a header file that comes with gcc, so configuring glibc+  # with a fresh cross-compiler works.+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since+  # <limits.h> exists even on freestanding compilers.+  # On the NeXT, cc -E runs the code through the compiler's parser,+  # not just through cpp. "Syntax error" is here to catch this case.+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#ifdef __STDC__+# include <limits.h>+#else+# include <assert.h>+#endif+		     Syntax error+_ACEOF+if { (ac_try="$ac_cpp conftest.$ac_ext"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } >/dev/null && {+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||+	 test ! -s conftest.err+       }; then+  :+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++  # Broken: fails on valid input.+continue+fi++rm -f conftest.err conftest.$ac_ext++  # OK, works on sane cases.  Now check whether nonexistent headers+  # can be detected and how.+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <ac_nonexistent.h>+_ACEOF+if { (ac_try="$ac_cpp conftest.$ac_ext"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } >/dev/null && {+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||+	 test ! -s conftest.err+       }; then+  # Broken: success on invalid input.+continue+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++  # Passes both tests.+ac_preproc_ok=:+break+fi++rm -f conftest.err conftest.$ac_ext++done+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.+rm -f conftest.err conftest.$ac_ext+if $ac_preproc_ok; then+  break+fi++    done+    ac_cv_prog_CPP=$CPP++fi+  CPP=$ac_cv_prog_CPP+else+  ac_cv_prog_CPP=$CPP+fi+{ echo "$as_me:$LINENO: result: $CPP" >&5+echo "${ECHO_T}$CPP" >&6; }+ac_preproc_ok=false+for ac_c_preproc_warn_flag in '' yes+do+  # Use a header file that comes with gcc, so configuring glibc+  # with a fresh cross-compiler works.+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since+  # <limits.h> exists even on freestanding compilers.+  # On the NeXT, cc -E runs the code through the compiler's parser,+  # not just through cpp. "Syntax error" is here to catch this case.+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#ifdef __STDC__+# include <limits.h>+#else+# include <assert.h>+#endif+		     Syntax error+_ACEOF+if { (ac_try="$ac_cpp conftest.$ac_ext"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } >/dev/null && {+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||+	 test ! -s conftest.err+       }; then+  :+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++  # Broken: fails on valid input.+continue+fi++rm -f conftest.err conftest.$ac_ext++  # OK, works on sane cases.  Now check whether nonexistent headers+  # can be detected and how.+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <ac_nonexistent.h>+_ACEOF+if { (ac_try="$ac_cpp conftest.$ac_ext"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } >/dev/null && {+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||+	 test ! -s conftest.err+       }; then+  # Broken: success on invalid input.+continue+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++  # Passes both tests.+ac_preproc_ok=:+break+fi++rm -f conftest.err conftest.$ac_ext++done+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.+rm -f conftest.err conftest.$ac_ext+if $ac_preproc_ok; then+  :+else+  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check+See \`config.log' for more details." >&5+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check+See \`config.log' for more details." >&2;}+   { (exit 1); exit 1; }; }+fi++ac_ext=c+ac_cpp='$CPP $CPPFLAGS'+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'+ac_compiler_gnu=$ac_cv_c_compiler_gnu+++{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5+echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }+if test "${ac_cv_path_GREP+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  # Extract the first word of "grep ggrep" to use in msg output+if test -z "$GREP"; then+set dummy grep ggrep; ac_prog_name=$2+if test "${ac_cv_path_GREP+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  ac_path_GREP_found=false+# Loop through the user's path and test for each of PROGNAME-LIST+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  for ac_prog in grep ggrep; do+  for ac_exec_ext in '' $ac_executable_extensions; do+    ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"+    { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue+    # Check for GNU ac_path_GREP and select it if it is found.+  # Check for GNU $ac_path_GREP+case `"$ac_path_GREP" --version 2>&1` in+*GNU*)+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;+*)+  ac_count=0+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"+  while :+  do+    cat "conftest.in" "conftest.in" >"conftest.tmp"+    mv "conftest.tmp" "conftest.in"+    cp "conftest.in" "conftest.nl"+    echo 'GREP' >> "conftest.nl"+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break+    ac_count=`expr $ac_count + 1`+    if test $ac_count -gt ${ac_path_GREP_max-0}; then+      # Best one so far, save it but keep looking for a better one+      ac_cv_path_GREP="$ac_path_GREP"+      ac_path_GREP_max=$ac_count+    fi+    # 10*(2^10) chars as input seems more than enough+    test $ac_count -gt 10 && break+  done+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;+esac+++    $ac_path_GREP_found && break 3+  done+done++done+IFS=$as_save_IFS+++fi++GREP="$ac_cv_path_GREP"+if test -z "$GREP"; then+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}+   { (exit 1); exit 1; }; }+fi++else+  ac_cv_path_GREP=$GREP+fi+++fi+{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5+echo "${ECHO_T}$ac_cv_path_GREP" >&6; }+ GREP="$ac_cv_path_GREP"+++{ echo "$as_me:$LINENO: checking for egrep" >&5+echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }+if test "${ac_cv_path_EGREP+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1+   then ac_cv_path_EGREP="$GREP -E"+   else+     # Extract the first word of "egrep" to use in msg output+if test -z "$EGREP"; then+set dummy egrep; ac_prog_name=$2+if test "${ac_cv_path_EGREP+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  ac_path_EGREP_found=false+# Loop through the user's path and test for each of PROGNAME-LIST+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin+do+  IFS=$as_save_IFS+  test -z "$as_dir" && as_dir=.+  for ac_prog in egrep; do+  for ac_exec_ext in '' $ac_executable_extensions; do+    ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"+    { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue+    # Check for GNU ac_path_EGREP and select it if it is found.+  # Check for GNU $ac_path_EGREP+case `"$ac_path_EGREP" --version 2>&1` in+*GNU*)+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;+*)+  ac_count=0+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"+  while :+  do+    cat "conftest.in" "conftest.in" >"conftest.tmp"+    mv "conftest.tmp" "conftest.in"+    cp "conftest.in" "conftest.nl"+    echo 'EGREP' >> "conftest.nl"+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break+    ac_count=`expr $ac_count + 1`+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then+      # Best one so far, save it but keep looking for a better one+      ac_cv_path_EGREP="$ac_path_EGREP"+      ac_path_EGREP_max=$ac_count+    fi+    # 10*(2^10) chars as input seems more than enough+    test $ac_count -gt 10 && break+  done+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;+esac+++    $ac_path_EGREP_found && break 3+  done+done++done+IFS=$as_save_IFS+++fi++EGREP="$ac_cv_path_EGREP"+if test -z "$EGREP"; then+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}+   { (exit 1); exit 1; }; }+fi++else+  ac_cv_path_EGREP=$EGREP+fi+++   fi+fi+{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5+echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }+ EGREP="$ac_cv_path_EGREP"+++{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }+if test "${ac_cv_header_stdc+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <stdlib.h>+#include <stdarg.h>+#include <string.h>+#include <float.h>++int+main ()+{++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_cv_header_stdc=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_cv_header_stdc=no+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext++if test $ac_cv_header_stdc = yes; then+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <string.h>++_ACEOF+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |+  $EGREP "memchr" >/dev/null 2>&1; then+  :+else+  ac_cv_header_stdc=no+fi+rm -f conftest*++fi++if test $ac_cv_header_stdc = yes; then+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <stdlib.h>++_ACEOF+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |+  $EGREP "free" >/dev/null 2>&1; then+  :+else+  ac_cv_header_stdc=no+fi+rm -f conftest*++fi++if test $ac_cv_header_stdc = yes; then+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.+  if test "$cross_compiling" = yes; then+  :+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <ctype.h>+#include <stdlib.h>+#if ((' ' & 0x0FF) == 0x020)+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))+#else+# define ISLOWER(c) \+		   (('a' <= (c) && (c) <= 'i') \+		     || ('j' <= (c) && (c) <= 'r') \+		     || ('s' <= (c) && (c) <= 'z'))+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))+#endif++#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))+int+main ()+{+  int i;+  for (i = 0; i < 256; i++)+    if (XOR (islower (i), ISLOWER (i))+	|| toupper (i) != TOUPPER (i))+      return 2;+  return 0;+}+_ACEOF+rm -f conftest$ac_exeext+if { (ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'+  { (case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_try") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; }; then+  :+else+  echo "$as_me: program exited with status $ac_status" >&5+echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++( exit $ac_status )+ac_cv_header_stdc=no+fi+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext+fi+++fi+fi+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5+echo "${ECHO_T}$ac_cv_header_stdc" >&6; }+if test $ac_cv_header_stdc = yes; then++cat >>confdefs.h <<\_ACEOF+#define STDC_HEADERS 1+_ACEOF++fi++# On IRIX 5.3, sys/types and inttypes.h are conflicting.++++++++++for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \+		  inttypes.h stdint.h unistd.h+do+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`+{ echo "$as_me:$LINENO: checking for $ac_header" >&5+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default++#include <$ac_header>+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  eval "$as_ac_Header=yes"+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	eval "$as_ac_Header=no"+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+fi+ac_res=`eval echo '${'$as_ac_Header'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }+if test `eval echo '${'$as_ac_Header'}'` = yes; then+  cat >>confdefs.h <<_ACEOF+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1+_ACEOF++fi++done+++{ echo "$as_me:$LINENO: checking for pid_t" >&5+echo $ECHO_N "checking for pid_t... $ECHO_C" >&6; }+if test "${ac_cv_type_pid_t+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+typedef pid_t ac__type_new_;+int+main ()+{+if ((ac__type_new_ *) 0)+  return 0;+if (sizeof (ac__type_new_))+  return 0;+  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_cv_type_pid_t=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_cv_type_pid_t=no+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+fi+{ echo "$as_me:$LINENO: result: $ac_cv_type_pid_t" >&5+echo "${ECHO_T}$ac_cv_type_pid_t" >&6; }+if test $ac_cv_type_pid_t = yes; then+  :+else++cat >>confdefs.h <<_ACEOF+#define pid_t int+_ACEOF++fi+++for ac_header in vfork.h+do+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then+  { echo "$as_me:$LINENO: checking for $ac_header" >&5+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+fi+ac_res=`eval echo '${'$as_ac_Header'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }+else+  # Is the header compilable?+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }+cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+#include <$ac_header>+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_header_compiler=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_header_compiler=no+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5+echo "${ECHO_T}$ac_header_compiler" >&6; }++# Is the header present?+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }+cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <$ac_header>+_ACEOF+if { (ac_try="$ac_cpp conftest.$ac_ext"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } >/dev/null && {+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||+	 test ! -s conftest.err+       }; then+  ac_header_preproc=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++  ac_header_preproc=no+fi++rm -f conftest.err conftest.$ac_ext+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5+echo "${ECHO_T}$ac_header_preproc" >&6; }++# So?  What about this header?+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in+  yes:no: )+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}+    ac_header_preproc=yes+    ;;+  no:yes:* )+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}+    ( cat <<\_ASBOX+## ------------------------------------ ##+## Report this to libraries@haskell.org ##+## ------------------------------------ ##+_ASBOX+     ) | sed "s/^/$as_me: WARNING:     /" >&2+    ;;+esac+{ echo "$as_me:$LINENO: checking for $ac_header" >&5+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  eval "$as_ac_Header=\$ac_header_preproc"+fi+ac_res=`eval echo '${'$as_ac_Header'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }++fi+if test `eval echo '${'$as_ac_Header'}'` = yes; then+  cat >>confdefs.h <<_ACEOF+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1+_ACEOF++fi++done++++for ac_func in fork vfork+do+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`+{ echo "$as_me:$LINENO: checking for $ac_func" >&5+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */+#define $ac_func innocuous_$ac_func++/* System header to define __stub macros and hopefully few prototypes,+    which can conflict with char $ac_func (); below.+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since+    <limits.h> exists even on freestanding compilers.  */++#ifdef __STDC__+# include <limits.h>+#else+# include <assert.h>+#endif++#undef $ac_func++/* Override any GCC internal prototype to avoid an error.+   Use char because int might match the return type of a GCC+   builtin and then its argument prototype would still apply.  */+#ifdef __cplusplus+extern "C"+#endif+char $ac_func ();+/* The GNU C library defines this for functions which it implements+    to always fail with ENOSYS.  Some functions are actually named+    something starting with __ and the normal name is an alias.  */+#if defined __stub_$ac_func || defined __stub___$ac_func+choke me+#endif++int+main ()+{+return $ac_func ();+  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext conftest$ac_exeext+if { (ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest$ac_exeext &&+       $as_test_x conftest$ac_exeext; then+  eval "$as_ac_var=yes"+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	eval "$as_ac_var=no"+fi++rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \+      conftest$ac_exeext conftest.$ac_ext+fi+ac_res=`eval echo '${'$as_ac_var'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }+if test `eval echo '${'$as_ac_var'}'` = yes; then+  cat >>confdefs.h <<_ACEOF+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1+_ACEOF++fi+done++if test "x$ac_cv_func_fork" = xyes; then+  { echo "$as_me:$LINENO: checking for working fork" >&5+echo $ECHO_N "checking for working fork... $ECHO_C" >&6; }+if test "${ac_cv_func_fork_works+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if test "$cross_compiling" = yes; then+  ac_cv_func_fork_works=cross+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+int+main ()+{++	  /* By Ruediger Kuhlmann. */+	  return fork () < 0;++  ;+  return 0;+}+_ACEOF+rm -f conftest$ac_exeext+if { (ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'+  { (case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_try") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; }; then+  ac_cv_func_fork_works=yes+else+  echo "$as_me: program exited with status $ac_status" >&5+echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++( exit $ac_status )+ac_cv_func_fork_works=no+fi+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext+fi+++fi+{ echo "$as_me:$LINENO: result: $ac_cv_func_fork_works" >&5+echo "${ECHO_T}$ac_cv_func_fork_works" >&6; }++else+  ac_cv_func_fork_works=$ac_cv_func_fork+fi+if test "x$ac_cv_func_fork_works" = xcross; then+  case $host in+    *-*-amigaos* | *-*-msdosdjgpp*)+      # Override, as these systems have only a dummy fork() stub+      ac_cv_func_fork_works=no+      ;;+    *)+      ac_cv_func_fork_works=yes+      ;;+  esac+  { echo "$as_me:$LINENO: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5+echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;}+fi+ac_cv_func_vfork_works=$ac_cv_func_vfork+if test "x$ac_cv_func_vfork" = xyes; then+  { echo "$as_me:$LINENO: checking for working vfork" >&5+echo $ECHO_N "checking for working vfork... $ECHO_C" >&6; }+if test "${ac_cv_func_vfork_works+set}" = set; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if test "$cross_compiling" = yes; then+  ac_cv_func_vfork_works=cross+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+/* Thanks to Paul Eggert for this test.  */+$ac_includes_default+#include <sys/wait.h>+#ifdef HAVE_VFORK_H+# include <vfork.h>+#endif+/* On some sparc systems, changes by the child to local and incoming+   argument registers are propagated back to the parent.  The compiler+   is told about this with #include <vfork.h>, but some compilers+   (e.g. gcc -O) don't grok <vfork.h>.  Test for this by using a+   static variable whose address is put into a register that is+   clobbered by the vfork.  */+static void+#ifdef __cplusplus+sparc_address_test (int arg)+# else+sparc_address_test (arg) int arg;+#endif+{+  static pid_t child;+  if (!child) {+    child = vfork ();+    if (child < 0) {+      perror ("vfork");+      _exit(2);+    }+    if (!child) {+      arg = getpid();+      write(-1, "", 0);+      _exit (arg);+    }+  }+}++int+main ()+{+  pid_t parent = getpid ();+  pid_t child;++  sparc_address_test (0);++  child = vfork ();++  if (child == 0) {+    /* Here is another test for sparc vfork register problems.  This+       test uses lots of local variables, at least as many local+       variables as main has allocated so far including compiler+       temporaries.  4 locals are enough for gcc 1.40.3 on a Solaris+       4.1.3 sparc, but we use 8 to be safe.  A buggy compiler should+       reuse the register of parent for one of the local variables,+       since it will think that parent can't possibly be used any more+       in this routine.  Assigning to the local variable will thus+       munge parent in the parent process.  */+    pid_t+      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),+      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();+    /* Convince the compiler that p..p7 are live; otherwise, it might+       use the same hardware register for all 8 local variables.  */+    if (p != p1 || p != p2 || p != p3 || p != p4+	|| p != p5 || p != p6 || p != p7)+      _exit(1);++    /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent+       from child file descriptors.  If the child closes a descriptor+       before it execs or exits, this munges the parent's descriptor+       as well.  Test for this by closing stdout in the child.  */+    _exit(close(fileno(stdout)) != 0);+  } else {+    int status;+    struct stat st;++    while (wait(&status) != child)+      ;+    return (+	 /* Was there some problem with vforking?  */+	 child < 0++	 /* Did the child fail?  (This shouldn't happen.)  */+	 || status++	 /* Did the vfork/compiler bug occur?  */+	 || parent != getpid()++	 /* Did the file descriptor bug occur?  */+	 || fstat(fileno(stdout), &st) != 0+	 );+  }+}+_ACEOF+rm -f conftest$ac_exeext+if { (ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'+  { (case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_try") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; }; then+  ac_cv_func_vfork_works=yes+else+  echo "$as_me: program exited with status $ac_status" >&5+echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++( exit $ac_status )+ac_cv_func_vfork_works=no+fi+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext+fi+++fi+{ echo "$as_me:$LINENO: result: $ac_cv_func_vfork_works" >&5+echo "${ECHO_T}$ac_cv_func_vfork_works" >&6; }++fi;+if test "x$ac_cv_func_fork_works" = xcross; then+  ac_cv_func_vfork_works=$ac_cv_func_vfork+  { echo "$as_me:$LINENO: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5+echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;}+fi++if test "x$ac_cv_func_vfork_works" = xyes; then++cat >>confdefs.h <<\_ACEOF+#define HAVE_WORKING_VFORK 1+_ACEOF++else++cat >>confdefs.h <<\_ACEOF+#define vfork fork+_ACEOF++fi+if test "x$ac_cv_func_fork_works" = xyes; then++cat >>confdefs.h <<\_ACEOF+#define HAVE_WORKING_FORK 1+_ACEOF++fi+++# check for specific header (.h) files that we are interested in++++for ac_header in signal.h sys/wait.h fcntl.h+do+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then+  { echo "$as_me:$LINENO: checking for $ac_header" >&5+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+fi+ac_res=`eval echo '${'$as_ac_Header'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }+else+  # Is the header compilable?+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }+cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+#include <$ac_header>+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_header_compiler=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_header_compiler=no+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5+echo "${ECHO_T}$ac_header_compiler" >&6; }++# Is the header present?+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }+cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+#include <$ac_header>+_ACEOF+if { (ac_try="$ac_cpp conftest.$ac_ext"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } >/dev/null && {+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||+	 test ! -s conftest.err+       }; then+  ac_header_preproc=yes+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++  ac_header_preproc=no+fi++rm -f conftest.err conftest.$ac_ext+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5+echo "${ECHO_T}$ac_header_preproc" >&6; }++# So?  What about this header?+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in+  yes:no: )+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}+    ac_header_preproc=yes+    ;;+  no:yes:* )+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}+    ( cat <<\_ASBOX+## ------------------------------------ ##+## Report this to libraries@haskell.org ##+## ------------------------------------ ##+_ASBOX+     ) | sed "s/^/$as_me: WARNING:     /" >&2+    ;;+esac+{ echo "$as_me:$LINENO: checking for $ac_header" >&5+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  eval "$as_ac_Header=\$ac_header_preproc"+fi+ac_res=`eval echo '${'$as_ac_Header'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }++fi+if test `eval echo '${'$as_ac_Header'}'` = yes; then+  cat >>confdefs.h <<_ACEOF+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1+_ACEOF++fi++done+++++for ac_func in setitimer, sysconf+do+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`+{ echo "$as_me:$LINENO: checking for $ac_func" >&5+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */+#define $ac_func innocuous_$ac_func++/* System header to define __stub macros and hopefully few prototypes,+    which can conflict with char $ac_func (); below.+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since+    <limits.h> exists even on freestanding compilers.  */++#ifdef __STDC__+# include <limits.h>+#else+# include <assert.h>+#endif++#undef $ac_func++/* Override any GCC internal prototype to avoid an error.+   Use char because int might match the return type of a GCC+   builtin and then its argument prototype would still apply.  */+#ifdef __cplusplus+extern "C"+#endif+char $ac_func ();+/* The GNU C library defines this for functions which it implements+    to always fail with ENOSYS.  Some functions are actually named+    something starting with __ and the normal name is an alias.  */+#if defined __stub_$ac_func || defined __stub___$ac_func+choke me+#endif++int+main ()+{+return $ac_func ();+  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext conftest$ac_exeext+if { (ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest$ac_exeext &&+       $as_test_x conftest$ac_exeext; then+  eval "$as_ac_var=yes"+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	eval "$as_ac_var=no"+fi++rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \+      conftest$ac_exeext conftest.$ac_ext+fi+ac_res=`eval echo '${'$as_ac_var'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }+if test `eval echo '${'$as_ac_var'}'` = yes; then+  cat >>confdefs.h <<_ACEOF+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1+_ACEOF++fi+done+++++for fp_const_name in SIG_DFL SIG_IGN+do+as_fp_Cache=`echo "fp_cv_const_$fp_const_name" | $as_tr_sh`+{ echo "$as_me:$LINENO: checking value of $fp_const_name" >&5+echo $ECHO_N "checking value of $fp_const_name... $ECHO_C" >&6; }+if { as_var=$as_fp_Cache; eval "test \"\${$as_var+set}\" = set"; }; then+  echo $ECHO_N "(cached) $ECHO_C" >&6+else+  if test "$cross_compiling" = yes; then+  # Depending upon the size, compute the lo and hi bounds.+cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+int+main ()+{+static int test_array [1 - 2 * !(($fp_const_name) >= 0)];+test_array [0] = 0++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_lo=0 ac_mid=0+  while :; do+    cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+int+main ()+{+static int test_array [1 - 2 * !(($fp_const_name) <= $ac_mid)];+test_array [0] = 0++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_hi=$ac_mid; break+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_lo=`expr $ac_mid + 1`+			if test $ac_lo -le $ac_mid; then+			  ac_lo= ac_hi=+			  break+			fi+			ac_mid=`expr 2 '*' $ac_mid + 1`+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+  done+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+int+main ()+{+static int test_array [1 - 2 * !(($fp_const_name) < 0)];+test_array [0] = 0++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_hi=-1 ac_mid=-1+  while :; do+    cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+int+main ()+{+static int test_array [1 - 2 * !(($fp_const_name) >= $ac_mid)];+test_array [0] = 0++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_lo=$ac_mid; break+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_hi=`expr '(' $ac_mid ')' - 1`+			if test $ac_mid -le $ac_hi; then+			  ac_lo= ac_hi=+			  break+			fi+			ac_mid=`expr 2 '*' $ac_mid`+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+  done+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_lo= ac_hi=+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+# Binary search between lo and hi bounds.+while test "x$ac_lo" != "x$ac_hi"; do+  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+int+main ()+{+static int test_array [1 - 2 * !(($fp_const_name) <= $ac_mid)];+test_array [0] = 0++  ;+  return 0;+}+_ACEOF+rm -f conftest.$ac_objext+if { (ac_try="$ac_compile"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_compile") 2>conftest.er1+  ac_status=$?+  grep -v '^ *+' conftest.er1 >conftest.err+  rm -f conftest.er1+  cat conftest.err >&5+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && {+	 test -z "$ac_c_werror_flag" ||+	 test ! -s conftest.err+       } && test -s conftest.$ac_objext; then+  ac_hi=$ac_mid+else+  echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++	ac_lo=`expr '(' $ac_mid ')' + 1`+fi++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext+done+case $ac_lo in+?*) fp_check_const_result=$ac_lo;;+'') fp_check_const_result='-1' ;;+esac+else+  cat >conftest.$ac_ext <<_ACEOF+/* confdefs.h.  */+_ACEOF+cat confdefs.h >>conftest.$ac_ext+cat >>conftest.$ac_ext <<_ACEOF+/* end confdefs.h.  */+$ac_includes_default+static long int longval () { return $fp_const_name; }+static unsigned long int ulongval () { return $fp_const_name; }+#include <stdio.h>+#include <stdlib.h>+int+main ()+{++  FILE *f = fopen ("conftest.val", "w");+  if (! f)+    return 1;+  if (($fp_const_name) < 0)+    {+      long int i = longval ();+      if (i != ($fp_const_name))+	return 1;+      fprintf (f, "%ld\n", i);+    }+  else+    {+      unsigned long int i = ulongval ();+      if (i != ($fp_const_name))+	return 1;+      fprintf (f, "%lu\n", i);+    }+  return ferror (f) || fclose (f) != 0;++  ;+  return 0;+}+_ACEOF+rm -f conftest$ac_exeext+if { (ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_link") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'+  { (case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5+  (eval "$ac_try") 2>&5+  ac_status=$?+  echo "$as_me:$LINENO: \$? = $ac_status" >&5+  (exit $ac_status); }; }; then+  fp_check_const_result=`cat conftest.val`+else+  echo "$as_me: program exited with status $ac_status" >&5+echo "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++( exit $ac_status )+fp_check_const_result='-1'+fi+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext+fi+rm -f conftest.val++eval "$as_fp_Cache=\$fp_check_const_result"+fi+ac_res=`eval echo '${'$as_fp_Cache'}'`+	       { echo "$as_me:$LINENO: result: $ac_res" >&5+echo "${ECHO_T}$ac_res" >&6; }+cat >>confdefs.h <<_ACEOF+#define `echo "CONST_$fp_const_name" | $as_tr_cpp` `eval echo '${'$as_fp_Cache'}'`+_ACEOF++done+++cat >confcache <<\_ACEOF+# This file is a shell script that caches the results of configure+# tests run on this system so they can be shared between configure+# scripts and configure runs, see configure's option --config-cache.+# It is not useful on other systems.  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Make it in the build tree+# simply because there is no reason against having it here, and in addition,+# creating and moving files from /tmp can sometimes cause problems.+# Hook for its removal unless debugging.+# Note that there is a small window in which the directory will not be cleaned:+# after its creation but before its name has been assigned to `$tmp'.+$debug ||+{+  tmp=+  trap 'exit_status=$?+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status+' 0+  trap '{ (exit 1); exit 1; }' 1 2 13 15+}+# Create a (secure) tmp directory for tmp files.++{+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&+  test -n "$tmp" && test -d "$tmp"+}  ||+{+  tmp=./conf$$-$RANDOM+  (umask 077 && mkdir "$tmp")+} ||+{+   echo "$me: cannot create a temporary directory in ." >&2+   { (exit 1); exit 1; }+}+++for ac_tag in    :H $CONFIG_HEADERS+do+  case $ac_tag in+  :[FHLC]) ac_mode=$ac_tag; continue;;+  esac+  case $ac_mode$ac_tag in+  :[FHL]*:*);;+  :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5+echo "$as_me: error: Invalid tag $ac_tag." >&2;}+   { (exit 1); exit 1; }; };;+  :[FH]-) ac_tag=-:-;;+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;+  esac+  ac_save_IFS=$IFS+  IFS=:+  set x $ac_tag+  IFS=$ac_save_IFS+  shift+  ac_file=$1+  shift++  case $ac_mode in+  :L) ac_source=$1;;+  :[FH])+    ac_file_inputs=+    for ac_f+    do+      case $ac_f in+      -) ac_f="$tmp/stdin";;+      *) # Look for the file first in the build tree, then in the source tree+	 # (if the path is not absolute).  The absolute path cannot be DOS-style,+	 # because $ac_f cannot contain `:'.+	 test -f "$ac_f" ||+	   case $ac_f in+	   [\\/$]*) false;;+	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;+	   esac ||+	   { { echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5+echo "$as_me: error: cannot find input file: $ac_f" >&2;}+   { (exit 1); exit 1; }; };;+      esac+      ac_file_inputs="$ac_file_inputs $ac_f"+    done++    # Let's still pretend it is `configure' which instantiates (i.e., don't+    # use $as_me), people would be surprised to read:+    #    /* config.h.  Generated by config.status.  */+    configure_input="Generated from "`IFS=:+	  echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure."+    if test x"$ac_file" != x-; then+      configure_input="$ac_file.  $configure_input"+      { echo "$as_me:$LINENO: creating $ac_file" >&5+echo "$as_me: creating $ac_file" >&6;}+    fi++    case $ac_tag in+    *:-:* | *:-) cat >"$tmp/stdin";;+    esac+    ;;+  esac++  ac_dir=`$as_dirname -- "$ac_file" ||+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \+	 X"$ac_file" : 'X\(//\)[^/]' \| \+	 X"$ac_file" : 'X\(//\)$' \| \+	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||+echo X"$ac_file" |+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{+	    s//\1/+	    q+	  }+	  /^X\(\/\/\)[^/].*/{+	    s//\1/+	    q+	  }+	  /^X\(\/\/\)$/{+	    s//\1/+	    q+	  }+	  /^X\(\/\).*/{+	    s//\1/+	    q+	  }+	  s/.*/./; q'`+  { as_dir="$ac_dir"+  case $as_dir in #(+  -*) as_dir=./$as_dir;;+  esac+  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {+    as_dirs=+    while :; do+      case $as_dir in #(+      *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #(+      *) as_qdir=$as_dir;;+      esac+      as_dirs="'$as_qdir' $as_dirs"+      as_dir=`$as_dirname -- "$as_dir" ||+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \+	 X"$as_dir" : 'X\(//\)[^/]' \| \+	 X"$as_dir" : 'X\(//\)$' \| \+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||+echo X"$as_dir" |+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{+	    s//\1/+	    q+	  }+	  /^X\(\/\/\)[^/].*/{+	    s//\1/+	    q+	  }+	  /^X\(\/\/\)$/{+	    s//\1/+	    q+	  }+	  /^X\(\/\).*/{+	    s//\1/+	    q+	  }+	  s/.*/./; q'`+      test -d "$as_dir" && break+    done+    test -z "$as_dirs" || eval "mkdir $as_dirs"+  } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5+echo "$as_me: error: cannot create directory $as_dir" >&2;}+   { (exit 1); exit 1; }; }; }+  ac_builddir=.++case "$ac_dir" in+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;+*)+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`+  # A ".." for each directory in $ac_dir_suffix.+  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`+  case $ac_top_builddir_sub in+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;+  esac ;;+esac+ac_abs_top_builddir=$ac_pwd+ac_abs_builddir=$ac_pwd$ac_dir_suffix+# for backward compatibility:+ac_top_builddir=$ac_top_build_prefix++case $srcdir in+  .)  # We are building in place.+    ac_srcdir=.+    ac_top_srcdir=$ac_top_builddir_sub+    ac_abs_top_srcdir=$ac_pwd ;;+  [\\/]* | ?:[\\/]* )  # Absolute name.+    ac_srcdir=$srcdir$ac_dir_suffix;+    ac_top_srcdir=$srcdir+    ac_abs_top_srcdir=$srcdir ;;+  *) # Relative name.+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix+    ac_top_srcdir=$ac_top_build_prefix$srcdir+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;+esac+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix+++  case $ac_mode in++  :H)+  #+  # CONFIG_HEADER+  #+_ACEOF++# Transform confdefs.h into a sed script `conftest.defines', that+# substitutes the proper values into config.h.in to produce config.h.+rm -f conftest.defines conftest.tail+# First, append a space to every undef/define line, to ease matching.+echo 's/$/ /' >conftest.defines+# Then, protect against being on the right side of a sed subst, or in+# an unquoted here document, in config.status.  If some macros were+# called several times there might be several #defines for the same+# symbol, which is useless.  But do not sort them, since the last+# AC_DEFINE must be honored.+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*+# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where+# NAME is the cpp macro being defined, VALUE is the value it is being given.+# PARAMS is the parameter list in the macro definition--in most cases, it's+# just an empty string.+ac_dA='s,^\\([	 #]*\\)[^	 ]*\\([	 ]*'+ac_dB='\\)[	 (].*,\\1define\\2'+ac_dC=' '+ac_dD=' ,'++uniq confdefs.h |+  sed -n '+	t rset+	:rset+	s/^[	 ]*#[	 ]*define[	 ][	 ]*//+	t ok+	d+	:ok+	s/[\\&,]/\\&/g+	s/^\('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p+	s/^\('"$ac_word_re"'\)[	 ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p+  ' >>conftest.defines++# Remove the space that was appended to ease matching.+# Then replace #undef with comments.  This is necessary, for+# example, in the case of _POSIX_SOURCE, which is predefined and required+# on some systems where configure will not decide to define it.+# (The regexp can be short, since the line contains either #define or #undef.)+echo 's/ $//+s,^[	 #]*u.*,/* & */,' >>conftest.defines++# Break up conftest.defines:+ac_max_sed_lines=50++# First sed command is:	 sed -f defines.sed $ac_file_inputs >"$tmp/out1"+# Second one is:	 sed -f defines.sed "$tmp/out1" >"$tmp/out2"+# Third one will be:	 sed -f defines.sed "$tmp/out2" >"$tmp/out1"+# et cetera.+ac_in='$ac_file_inputs'+ac_out='"$tmp/out1"'+ac_nxt='"$tmp/out2"'++while :+do+  # Write a here document:+    cat >>$CONFIG_STATUS <<_ACEOF+    # First, check the format of the line:+    cat >"\$tmp/defines.sed" <<\\CEOF+/^[	 ]*#[	 ]*undef[	 ][	 ]*$ac_word_re[	 ]*\$/b def+/^[	 ]*#[	 ]*define[	 ][	 ]*$ac_word_re[(	 ]/b def+b+:def+_ACEOF+  sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS+  echo 'CEOF+    sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS+  ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in+  sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail+  grep . conftest.tail >/dev/null || break+  rm -f conftest.defines+  mv conftest.tail conftest.defines+done+rm -f conftest.defines conftest.tail++echo "ac_result=$ac_in" >>$CONFIG_STATUS+cat >>$CONFIG_STATUS <<\_ACEOF+  if test x"$ac_file" != x-; then+    echo "/* $configure_input  */" >"$tmp/config.h"+    cat "$ac_result" >>"$tmp/config.h"+    if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then+      { echo "$as_me:$LINENO: $ac_file is unchanged" >&5+echo "$as_me: $ac_file is unchanged" >&6;}+    else+      rm -f $ac_file+      mv "$tmp/config.h" $ac_file+    fi+  else+    echo "/* $configure_input  */"+    cat "$ac_result"+  fi+  rm -f "$tmp/out12"+ ;;+++  esac++done # for ac_tag+++{ (exit 0); exit 0; }+_ACEOF+chmod +x $CONFIG_STATUS+ac_clean_files=$ac_clean_files_save+++# configure is writing to config.log, and then calls config.status.+# config.status does its own redirection, appending to config.log.+# Unfortunately, on DOS this fails, as config.log is still kept open+# by configure, so config.status won't be able to write to it; its+# output is simply discarded.  So we exec the FD to /dev/null,+# effectively closing config.log, so it can be properly (re)opened and+# appended to by config.status.  When coming back to configure, we+# need to make the FD available again.+if test "$no_create" != yes; then+  ac_cs_success=:+  ac_config_status_args=+  test "$silent" = yes &&+    ac_config_status_args="$ac_config_status_args --quiet"+  exec 5>/dev/null+  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false+  exec 5>>config.log+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which+  # would make configure fail if this is the last instruction.+  $ac_cs_success || { (exit 1); exit 1; }+fi+
+ configure.ac view
@@ -0,0 +1,23 @@+AC_INIT([Haskell process package], [1.0], [libraries@haskell.org], [process])++# Safety check: Ensure that we are in the correct source directory.+AC_CONFIG_SRCDIR([include/runProcess.h])++AC_CONFIG_HEADERS([include/HsProcessConfig.h])++AC_ARG_WITH([cc],+            [C compiler],+            [CC=$withval])+AC_PROG_CC()++dnl ** Working vfork?+AC_FUNC_FORK++# check for specific header (.h) files that we are interested in+AC_CHECK_HEADERS([signal.h sys/wait.h fcntl.h])++AC_CHECK_FUNCS([setitimer, sysconf])++FP_CHECK_CONSTS([SIG_DFL SIG_IGN])++AC_OUTPUT
include/HsProcessConfig.h view
@@ -7,6 +7,9 @@ /* The value of SIG_IGN. */ #define CONST_SIG_IGN -1 +/* Define to 1 if you have the <fcntl.h> header file. */+#define HAVE_FCNTL_H 1+ /* Define to 1 if you have the `fork' function. */ #define HAVE_FORK 1 @@ -16,8 +19,8 @@ /* Define to 1 if you have the <memory.h> header file. */ #define HAVE_MEMORY_H 1 -/* Define to 1 if you have the `setitimer' function. */-#define HAVE_SETITIMER 1+/* Define to 1 if you have the `setitimer,' function. */+/* #undef HAVE_SETITIMER_ */  /* Define to 1 if you have the <signal.h> header file. */ #define HAVE_SIGNAL_H 1@@ -33,6 +36,9 @@  /* Define to 1 if you have the <string.h> header file. */ #define HAVE_STRING_H 1++/* Define to 1 if you have the `sysconf' function. */+#define HAVE_SYSCONF 1  /* Define to 1 if you have the <sys/stat.h> header file. */ #define HAVE_SYS_STAT_H 1
+ include/HsProcessConfig.h.in view
@@ -0,0 +1,88 @@+/* include/HsProcessConfig.h.in.  Generated from configure.ac by autoheader.  */++/* The value of SIG_DFL. */+#undef CONST_SIG_DFL++/* The value of SIG_IGN. */+#undef CONST_SIG_IGN++/* Define to 1 if you have the <fcntl.h> header file. */+#undef HAVE_FCNTL_H++/* Define to 1 if you have the `fork' function. */+#undef HAVE_FORK++/* Define to 1 if you have the <inttypes.h> header file. */+#undef HAVE_INTTYPES_H++/* Define to 1 if you have the <memory.h> header file. */+#undef HAVE_MEMORY_H++/* Define to 1 if you have the `setitimer,' function. */+#undef HAVE_SETITIMER_++/* Define to 1 if you have the <signal.h> header file. */+#undef HAVE_SIGNAL_H++/* Define to 1 if you have the <stdint.h> header file. */+#undef HAVE_STDINT_H++/* Define to 1 if you have the <stdlib.h> header file. */+#undef HAVE_STDLIB_H++/* Define to 1 if you have the <strings.h> header file. */+#undef HAVE_STRINGS_H++/* Define to 1 if you have the <string.h> header file. */+#undef HAVE_STRING_H++/* Define to 1 if you have the `sysconf' function. */+#undef HAVE_SYSCONF++/* Define to 1 if you have the <sys/stat.h> header file. */+#undef HAVE_SYS_STAT_H++/* Define to 1 if you have the <sys/types.h> header file. */+#undef HAVE_SYS_TYPES_H++/* Define to 1 if you have the <sys/wait.h> header file. */+#undef HAVE_SYS_WAIT_H++/* Define to 1 if you have the <unistd.h> header file. */+#undef HAVE_UNISTD_H++/* Define to 1 if you have the `vfork' function. */+#undef HAVE_VFORK++/* Define to 1 if you have the <vfork.h> header file. */+#undef HAVE_VFORK_H++/* Define to 1 if `fork' works. */+#undef HAVE_WORKING_FORK++/* Define to 1 if `vfork' works. */+#undef HAVE_WORKING_VFORK++/* Define to the address where bug reports for this package should be sent. */+#undef PACKAGE_BUGREPORT++/* Define to the full name of this package. */+#undef PACKAGE_NAME++/* Define to the full name and version of this package. */+#undef PACKAGE_STRING++/* Define to the one symbol short name of this package. */+#undef PACKAGE_TARNAME++/* Define to the version of this package. */+#undef PACKAGE_VERSION++/* Define to 1 if you have the ANSI C header files. */+#undef STDC_HEADERS++/* Define to `int' if <sys/types.h> does not define. */+#undef pid_t++/* Define as `fork' if `vfork' does not work. */+#undef vfork
include/runProcess.h view
@@ -20,6 +20,10 @@ #include <unistd.h> #include <sys/types.h> +#ifdef HAVE_FCNTL_H+#include <fcntl.h>+#endif+ #ifdef HAVE_VFORK_H #include <vfork.h> #endif@@ -41,28 +45,23 @@  #if !(defined(_MSC_VER) || defined(__MINGW32__) || defined(_WIN32)) -extern ProcHandle runProcess( char *const args[], -			      char *workingDirectory, char **environment, -			      int fdStdInput, int fdStdOutput, int fdStdError,-			      int set_inthandler, long inthandler, -			      int set_quithandler, long quithandler);- extern ProcHandle runInteractiveProcess( char *const args[],  					 char *workingDirectory,  					 char **environment, +                                         int fdStdIn, int fdStdOut, int fdStdErr, 					 int *pfdStdInput,  					 int *pfdStdOutput, -					 int *pfdStdError);+					 int *pfdStdError,+                                         int set_inthandler, long inthandler, +                                         int set_quithandler, long quithandler,+                                         int close_fds);  #else -extern ProcHandle runProcess( char *cmd, -			      char *workingDirectory, void *environment, -			      int fdStdInput, int fdStdOutput, int fdStdError);- extern ProcHandle runInteractiveProcess( char *cmd,  					 char *workingDirectory,  					 void *environment,+                                         int fdStdIn, int fdStdOut, int fdStdErr, 					 int *pfdStdInput, 					 int *pfdStdOutput, 					 int *pfdStdError);
process.cabal view
@@ -1,24 +1,31 @@ name:         process-version:      1.0.0.0+version:      1.0.1.1 license:      BSD3 license-file: LICENSE maintainer:   libraries@haskell.org synopsis:     Process libraries+category:     System description:     This package contains libraries for dealing with system processes.+extra-source-files:+    configure.ac configure+    include/HsProcessConfig.h.in extra-tmp-files:     config.log config.status autom4te.cache     include/HsProcessConfig.h build-type:    Configure cabal-version: >=1.2 +flag base4+ Library {+  exposed-modules: System.Cmd+  if !impl(nhc98) {     exposed-modules:-        System.Cmd-        System.Process.Internals+        System.Process     if impl(ghc)         exposed-modules:-          System.Process+          System.Process.Internals     c-sources:         cbits/runProcess.c     include-dirs: include@@ -27,8 +34,22 @@     install-includes:         runProcess.h         HsProcessConfig.h-    extensions: CPP-    build-depends: base, directory, filepath     if !os(windows)         build-depends: unix+  }++  if (flag(base4)) {+     build-depends: base >= 4 && < 5+     cpp-options: -Dbase4+     -- later, we can use the new MIN_VERSION_base() stuff that+     -- arrived in Cabal-1.6.+  } else {+     build-depends: base >= 3 && < 4+     cpp-options: -Dbase3+  }++  build-depends: directory >= 1.0 && < 1.1,+                 filepath  >= 1.1 && < 1.2++  extensions: CPP }