network 3.1.4.0 → 3.2.0.0

raw patch · 27 files changed

+5438/−5114 lines, 27 filesdep ~basedep ~bytestring

Dependency ranges changed: base, bytestring

Files

• CHANGELOG.md +25/−0
• Network/Socket.hs +1/−3
• Network/Socket/ByteString.hs +1/−0
• Network/Socket/ByteString/IO.hsc +20/−4
• Network/Socket/ByteString/Lazy.hs +11/−0
• Network/Socket/ByteString/Lazy/Posix.hs +1/−2
• Network/Socket/Info.hsc +4/−4
• Network/Socket/Internal.hs +3/−0
• Network/Socket/Options.hsc +14/−12
• Network/Socket/Posix/Cmsg.hsc +59/−25
• Network/Socket/Posix/CmsgHdr.hsc +10/−9
• Network/Socket/Posix/IOVec.hsc +4/−4
• Network/Socket/Posix/MsgHdr.hsc +11/−11
• Network/Socket/Shutdown.hs +1/−2
• Network/Socket/Syscall.hs +1/−1
• Network/Socket/Types.hsc +34/−16
• Network/Socket/Unix.hsc +6/−13
• Network/Socket/Win32/Cmsg.hsc +40/−19
• Network/Socket/Win32/CmsgHdr.hsc +5/−5
• Network/Socket/Win32/MsgHdr.hsc +9/−9
• Network/Socket/Win32/WSABuf.hsc +4/−4
• README.md +0/−29
• configure +5139/−4929
• configure.ac +1/−1
• include/HsNetworkConfig.h.in +6/−4
• network.cabal +17/−7
• tests/Network/SocketSpec.hs +11/−1

@@ -1,3 +1,28 @@+## Version 3.2.0.0++* Breaking change: Using Strict and StrictData.+* Breaking change: Allow a control message to contain multiple file descriptors+  [#567](https://github.com/haskell/network/issues/567)+* Breaking change: CmsgIdFd -> CmsgIdFds+  [#575](https://github.com/haskell/network/issues/575)+* SocketTypes: use UnsupportedSocketType instead of -1.+  [#560](https://github.com/haskell/network/issues/560)+* Expose NullSockAddr, add send-with-fds functions.+  [#562](https://github.com/haskell/network/issues/562)+* Allow bytestring-0.12 and replace deprecated memcpy by copyBytes.+  [#564](https://github.com/haskell/network/issues/564)+* Close file descriptor in accept when exception happens+  [#569](https://github.com/haskell/network/issues/569)+* Bump CI to GHC 9.8 and latest versions of actions+  [#573](https://github.com/haskell/network/issues/573)++## Version 3.1.5.0++* [#541](https://github.com/haskell/network/issues/541)+  * Export `Network.Socket.Internal.NullSockAddr`+  * Add `Network.Socket.ByteString.sendManyWithFds`+  * Add `Network.Socket.ByteString.Lazy.sendWithFds`+ ## Version 3.1.4.0  * Install and use afunix_compat.h header.

@@ -245,13 +245,11 @@             ,CmsgIdIPv6TClass             ,CmsgIdIPv4PktInfo             ,CmsgIdIPv6PktInfo-            ,CmsgIdFd+            ,CmsgIdFds             ,UnsupportedCmsgId)     -- ** APIs for control message     , lookupCmsg     , filterCmsg-    , decodeCmsg-    , encodeCmsg     -- ** Class and types for control message     , ControlMessage(..)     , IPv4TTL(..)

@@ -29,6 +29,7 @@     -- $vectored     , sendMany     , sendManyTo+    , sendManyWithFds      -- * Receive data from a socket     , recv

@@ -1,4 +1,3 @@-{-# LANGUAGE BangPatterns #-} {-# LANGUAGE RecordWildCards #-} {-# LANGUAGE OverloadedStrings #-} @@ -25,6 +24,7 @@     -- $vectored     , sendMany     , sendManyTo+    , sendManyWithFds      -- * Receive data from a socket     , recv@@ -54,6 +54,7 @@ import Foreign.ForeignPtr (withForeignPtr) import Foreign.Marshal.Utils (with) import Network.Socket.Internal+import System.Posix.Types (Fd(..))  import Network.Socket.Flag @@ -218,6 +219,21 @@                   peek send_ptr #endif +-- | Send data and file descriptors over a UNIX-domain socket in+--   a single system call. This function does not work on Windows.+sendManyWithFds :: Socket       -- ^ Socket+                -> [ByteString] -- ^ Data to send+                -> [Fd]         -- ^ File descriptors+                -> IO ()+sendManyWithFds s bss fds =+    void $+        withBufSizs bss $ \bufsizs ->+            sendBufMsg s addr bufsizs cmsgs flags+  where+    addr = NullSockAddr+    cmsgs = encodeCmsg . (:[]) <$> fds+    flags = mempty+ -- ---------------------------------------------------------------------------- -- Receiving @@ -294,9 +310,9 @@ withBufSizs :: [ByteString] -> ([(Ptr Word8, Int)] -> IO a) -> IO a withBufSizs bss0 f = loop bss0 id   where-    loop []                    !build = f $ build []-    loop (PS fptr off len:bss) !build = withForeignPtr fptr $ \ptr -> do-        let !ptr' = ptr `plusPtr` off+    loop []                    build = f $ build []+    loop (PS fptr off len:bss) build = withForeignPtr fptr $ \ptr -> do+        let ptr' = ptr `plusPtr` off         loop bss (build . ((ptr',len) :))  -- | Send data to the socket using sendmsg(2).

@@ -23,6 +23,7 @@     -- * Send data to a socket     send   , sendAll+  , sendWithFds     -- * Receive data from a socket   , getContents   , recv@@ -33,6 +34,7 @@ import           Prelude                       hiding (getContents) import           System.IO.Unsafe              (unsafeInterleaveIO) import           System.IO.Error               (catchIOError)+import           System.Posix.Types            (Fd(..))  #if defined(mingw32_HOST_OS) import Network.Socket.ByteString.Lazy.Windows  (send, sendAll)@@ -41,9 +43,18 @@ #endif  import qualified Data.ByteString               as S+import qualified Data.ByteString.Lazy          as L import qualified Network.Socket.ByteString     as N import           Network.Socket.Imports import           Network.Socket.Types++-- | Send data and file descriptors over a UNIX-domain socket in+--   a single system call. This function does not work on Windows.+sendWithFds :: Socket     -- ^ Socket+            -> ByteString -- ^ Data to send+            -> [Fd]       -- ^ File descriptors+            -> IO ()+sendWithFds s lbs fds = N.sendManyWithFds s (L.toChunks lbs) fds  -- ----------------------------------------------------------------------------- -- Receiving

@@ -1,4 +1,3 @@-{-# LANGUAGE BangPatterns #-} {-# LANGUAGE OverloadedStrings #-}  module Network.Socket.ByteString.Lazy.Posix (@@ -34,7 +33,7 @@   where     withPokes ss p f = loop ss p 0 0       where-        loop (c:cs) q k !niovs+        loop (c:cs) q k niovs             | k < maxNumBytes = unsafeUseAsCStringLen c $ \(ptr, len) -> do                 poke q $ IOVec (castPtr ptr) (fromIntegral len)                 loop cs

@@ -108,8 +108,8 @@   } deriving (Eq, Show)  instance Storable AddrInfo where-    sizeOf    _ = #const sizeof(struct addrinfo)-    alignment _ = alignment (0 :: CInt)+    sizeOf    ~_ = #const sizeof(struct addrinfo)+    alignment ~_ = alignment (0 :: CInt)      peek p = do         ai_flags <- (#peek struct addrinfo, ai_flags) p@@ -273,9 +273,9 @@         "Network.Socket.getAddrInfo (called with preferred socket type/protocol: "       , maybe "Nothing" show hints       , ", host name: "-      , show node+      , maybe "Nothing" show node       , ", service name: "-      , show service+      , maybe "Nothing" show service       , ")"       ] #if defined(darwin_HOST_OS)

@@ -48,6 +48,9 @@     -- * Initialization     , withSocketsDo +    -- * Null socket address type+    , NullSockAddr (..)+     -- * Low-level helpers     , zeroMemory     ) where

@@ -50,11 +50,11 @@ -- is supported on your system: see 'isSupportedSocketOption' data SocketOption = SockOpt #if __GLASGOW_HASKELL__ >= 806-    !CInt -- ^ Option Level-    !CInt -- ^ Option Name+    CInt -- ^ Option Level+    CInt -- ^ Option Name #else-    !CInt -- Option Level-    !CInt -- Option Name+    CInt -- Option Level+    CInt -- Option Name #endif   deriving (Eq) @@ -252,14 +252,16 @@ #else pattern SendLowWater   = SockOpt (-1) (-1) #endif--- | SO_RCVTIMEO: timeout in microseconds+-- | SO_RCVTIMEO: timeout in microseconds. This option is not useful+-- in the normal case where sockets are non-blocking. pattern RecvTimeOut :: SocketOption #ifdef SO_RCVTIMEO pattern RecvTimeOut    = SockOpt (#const SOL_SOCKET) (#const SO_RCVTIMEO) #else pattern RecvTimeOut    = SockOpt (-1) (-1) #endif--- | SO_SNDTIMEO: timeout in microseconds+-- | SO_SNDTIMEO: timeout in microseconds. This option is not useful+-- in the normal case where sockets are non-blocking. pattern SendTimeOut :: SocketOption #ifdef SO_SNDTIMEO pattern SendTimeOut    = SockOpt (#const SOL_SOCKET) (#const SO_SNDTIMEO)@@ -466,8 +468,8 @@   deriving (Eq, Ord, Show)  instance Storable StructLinger where-    sizeOf    _ = (#const sizeof(struct linger))-    alignment _ = alignment (0 :: CInt)+    sizeOf    ~_ = (#const sizeof(struct linger))+    alignment ~_ = alignment (0 :: CInt)      peek p = do         onoff  <- (#peek struct linger, l_onoff) p@@ -488,16 +490,16 @@  #if defined(mingw32_HOST_OS) instance Storable SocketTimeout where-    sizeOf (SocketTimeout to) = sizeOf to -- DWORD as milliseconds-    alignment _ = 0+    sizeOf ~(SocketTimeout to) = sizeOf to -- DWORD as milliseconds+    alignment ~_ = 0     peek ptr    = do         to <- peek (castPtr ptr)         return $ SocketTimeout (to * 1000)     poke ptr (SocketTimeout to) = poke (castPtr ptr) (to `div` 1000) #else instance Storable SocketTimeout where-    sizeOf _    = (#size struct timeval)-    alignment _ = (#const offsetof(struct {char x__; struct timeval (y__); }, y__))+    sizeOf    ~_ = (#size struct timeval)+    alignment ~_ = (#const offsetof(struct {char x__; struct timeval (y__); }, y__))     peek ptr    = do             sec  <- (#peek struct timeval, tv_sec)  ptr             usec <- (#peek struct timeval, tv_usec) ptr

@@ -1,5 +1,6 @@ {-# LANGUAGE AllowAmbiguousTypes #-} {-# LANGUAGE CPP #-}+{-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE GeneralizedNewtypeDeriving #-} {-# LANGUAGE PatternSynonyms #-} {-# LANGUAGE RecordWildCards #-}@@ -15,6 +16,7 @@  import Data.ByteString.Internal import Foreign.ForeignPtr+import Foreign.Marshal.Array (peekArray, pokeArray) import System.IO.Unsafe (unsafeDupablePerformIO) import System.Posix.Types (Fd(..)) @@ -26,16 +28,16 @@  -- | Control message (ancillary data) including a pair of level and type. data Cmsg = Cmsg {-    cmsgId   :: !CmsgId-  , cmsgData :: !ByteString+    cmsgId   :: CmsgId+  , cmsgData :: ByteString   } deriving (Eq, Show)  ----------------------------------------------------------------  -- | Identifier of control message (ancillary data). data CmsgId = CmsgId {-    cmsgLevel :: !CInt-  , cmsgType  :: !CInt+    cmsgLevel :: CInt+  , cmsgType  :: CInt   } deriving (Eq)  -- | Unsupported identifier@@ -82,9 +84,9 @@ pattern CmsgIdIPv6PktInfo = CmsgId (-1) (-1) #endif --- | The identifier for 'Fd'.-pattern CmsgIdFd :: CmsgId-pattern CmsgIdFd = CmsgId (#const SOL_SOCKET) (#const SCM_RIGHTS)+-- | The identifier for 'Fds'.+pattern CmsgIdFds :: CmsgId+pattern CmsgIdFds = CmsgId (#const SOL_SOCKET) (#const SCM_RIGHTS)  ---------------------------------------------------------------- @@ -102,13 +104,15 @@ ----------------------------------------------------------------  -- | Control message type class.---   Each control message type has a numeric 'CmsgId' and a 'Storable'---   data representation.-class Storable a => ControlMessage a where+--   Each control message type has a numeric 'CmsgId' and encode+--   and decode functions.+class ControlMessage a where     controlMessageId :: CmsgId+    encodeCmsg :: a -> Cmsg+    decodeCmsg :: Cmsg -> Maybe a -encodeCmsg :: forall a . ControlMessage a => a -> Cmsg-encodeCmsg x = unsafeDupablePerformIO $ do+encodeStorableCmsg :: forall a . (ControlMessage a, Storable a) => a -> Cmsg+encodeStorableCmsg x = unsafeDupablePerformIO $ do     bs <- create siz $ \p0 -> do         let p = castPtr p0         poke p x@@ -117,8 +121,8 @@   where     siz = sizeOf x -decodeCmsg :: forall a . (ControlMessage a, Storable a) => Cmsg -> Maybe a-decodeCmsg (Cmsg cmsid (PS fptr off len))+decodeStorableCmsg :: forall a . (ControlMessage a, Storable a) => Cmsg -> Maybe a+decodeStorableCmsg (Cmsg cmsid (PS fptr off len))   | cid /= cmsid = Nothing   | len < siz    = Nothing   | otherwise    = unsafeDupablePerformIO $ withForeignPtr fptr $ \p0 -> do@@ -139,6 +143,8 @@  instance ControlMessage IPv4TTL where     controlMessageId = CmsgIdIPv4TTL+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  ---------------------------------------------------------------- @@ -147,6 +153,8 @@  instance ControlMessage IPv6HopLimit where     controlMessageId = CmsgIdIPv6HopLimit+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  ---------------------------------------------------------------- @@ -155,6 +163,8 @@  instance ControlMessage IPv4TOS where     controlMessageId = CmsgIdIPv4TOS+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  ---------------------------------------------------------------- @@ -163,6 +173,8 @@  instance ControlMessage IPv6TClass where     controlMessageId = CmsgIdIPv6TClass+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  ---------------------------------------------------------------- @@ -174,11 +186,13 @@  instance ControlMessage IPv4PktInfo where     controlMessageId = CmsgIdIPv4PktInfo+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  instance Storable IPv4PktInfo where #if defined (IP_PKTINFO)-    sizeOf    _ = (#size struct in_pktinfo)-    alignment _ = alignment (0 :: CInt)+    sizeOf    ~_ = (#size struct in_pktinfo)+    alignment ~_ = alignment (0 :: CInt)     poke p (IPv4PktInfo n sa ha) = do         (#poke struct in_pktinfo, ipi_ifindex)  p (fromIntegral n :: CInt)         (#poke struct in_pktinfo, ipi_spec_dst) p sa@@ -189,8 +203,8 @@         ha <- (#peek struct in_pktinfo, ipi_addr)     p         return $ IPv4PktInfo n sa ha #else-    sizeOf    _ = 0-    alignment _ = 1+    sizeOf    ~_ = 0+    alignment ~_ = 1     poke _ _ = error "Unsupported control message type"     peek _   = error "Unsupported control message type" #endif@@ -205,11 +219,13 @@  instance ControlMessage IPv6PktInfo where     controlMessageId = CmsgIdIPv6PktInfo+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  instance Storable IPv6PktInfo where #if defined (IPV6_PKTINFO)-    sizeOf    _ = (#size struct in6_pktinfo)-    alignment _ = alignment (0 :: CInt)+    sizeOf    ~_ = (#size struct in6_pktinfo)+    alignment ~_ = alignment (0 :: CInt)     poke p (IPv6PktInfo n ha6) = do         (#poke struct in6_pktinfo, ipi6_ifindex) p (fromIntegral n :: CInt)         (#poke struct in6_pktinfo, ipi6_addr)    p (In6Addr ha6)@@ -218,17 +234,35 @@         n :: CInt   <- (#peek struct in6_pktinfo, ipi6_ifindex) p         return $ IPv6PktInfo (fromIntegral n) ha6 #else-    sizeOf    _ = 0-    alignment _ = 1+    sizeOf    ~_ = 0+    alignment ~_ = 1     poke _ _ = error "Unsupported control message type"     peek _   = error "Unsupported control message type" #endif  ---------------------------------------------------------------- -instance ControlMessage Fd where-    controlMessageId = CmsgIdFd+instance ControlMessage [Fd] where+    controlMessageId = CmsgIdFds +    encodeCmsg fds = unsafeDupablePerformIO $ do+        bs <- create siz $ \p0 -> do+            let p = castPtr p0+            pokeArray p fds+        return $ Cmsg CmsgIdFds bs+        where+            siz = sizeOf (undefined :: Fd) * length fds++    decodeCmsg (Cmsg cmsid (PS fptr off len))+        | cmsid /= CmsgIdFds = Nothing+        | otherwise          =+            unsafeDupablePerformIO $ withForeignPtr fptr $ \p0 -> do+                let p = castPtr (p0 `plusPtr` off)+                    numFds = len `div` sizeOfFd+                Just <$> peekArray numFds p+        where+            sizeOfFd = sizeOf (undefined :: Fd)+ cmsgIdBijection :: Bijection CmsgId String cmsgIdBijection =     [ (UnsupportedCmsgId, "UnsupportedCmsgId")@@ -238,7 +272,7 @@     , (CmsgIdIPv6TClass, "CmsgIdIPv6TClass")     , (CmsgIdIPv4PktInfo, "CmsgIdIPv4PktInfo")     , (CmsgIdIPv6PktInfo, "CmsgIdIPv6PktInfo")-    , (CmsgIdFd, "CmsgIdFd")+    , (CmsgIdFds, "CmsgIdFds")     ]  instance Show CmsgId where

@@ -11,8 +11,9 @@ #include <sys/types.h> #include <sys/socket.h> -import Foreign.Marshal.Alloc (allocaBytes) import Foreign.ForeignPtr+import Foreign.Marshal.Alloc (allocaBytes)+import Foreign.Marshal.Utils (copyBytes) import qualified Data.ByteString as B import Data.ByteString.Internal @@ -23,17 +24,17 @@  data CmsgHdr = CmsgHdr { #ifdef __linux__-    cmsgHdrLen   :: !CSize+    cmsgHdrLen   :: CSize #else-    cmsgHdrLen   :: !(#type socklen_t)+    cmsgHdrLen   :: #type socklen_t #endif-  , cmsgHdrLevel :: !CInt-  , cmsgHdrType  :: !CInt+  , cmsgHdrLevel :: CInt+  , cmsgHdrType  :: CInt   } deriving (Eq, Show)  instance Storable CmsgHdr where-  sizeOf    _ = (#size struct cmsghdr)-  alignment _ = alignment (0 :: CInt)+  sizeOf    ~_ = (#size struct cmsghdr)+  alignment ~_ = alignment (0 :: CInt)    peek p = do     len <- (#peek struct cmsghdr, cmsg_len)   p@@ -69,7 +70,7 @@     withForeignPtr fptr $ \src0 -> do         let src = src0 `plusPtr` off         dst <- c_cmsg_data ctrlPtr-        memcpy dst src len+        copyBytes dst src len  parseCmsgs :: SocketAddress sa => Ptr (MsgHdr sa) -> IO [Cmsg] parseCmsgs msgptr = do@@ -88,7 +89,7 @@     CmsgHdr len lvl typ <- peek ptr     src <- c_cmsg_data ptr     let siz = fromIntegral len - (src `minusPtr` ptr)-    Cmsg (CmsgId lvl typ) <$> create (fromIntegral siz) (\dst -> memcpy dst src siz)+    Cmsg (CmsgId lvl typ) <$> create (fromIntegral siz) (\dst -> copyBytes dst src siz)  foreign import ccall unsafe "cmsg_firsthdr"   c_cmsg_firsthdr :: Ptr (MsgHdr sa) -> IO (Ptr CmsgHdr)

@@ -14,13 +14,13 @@ #include <sys/uio.h>  data IOVec = IOVec-    { iovBase :: !(Ptr Word8)-    , iovLen  :: !CSize+    { iovBase :: Ptr Word8+    , iovLen  :: CSize     }  instance Storable IOVec where-  sizeOf    _ = (#const sizeof(struct iovec))-  alignment _ = alignment (0 :: CInt)+  sizeOf    ~_ = (#const sizeof(struct iovec))+  alignment ~_ = alignment (0 :: CInt)    peek p = do     base <- (#peek struct iovec, iov_base) p

@@ -14,26 +14,26 @@ import Network.Socket.Posix.IOVec (IOVec)  data MsgHdr sa = MsgHdr-    { msgName    :: !(Ptr sa)-    , msgNameLen :: !(#type socklen_t)-    , msgIov     :: !(Ptr IOVec)+    { msgName    :: Ptr sa+    , msgNameLen :: #type socklen_t+    , msgIov     :: Ptr IOVec #ifdef __linux__-    , msgIovLen  :: !CSize+    , msgIovLen  :: CSize #else-    , msgIovLen  :: !CInt+    , msgIovLen  :: CInt #endif-    , msgCtrl    :: !(Ptr Word8)+    , msgCtrl    :: Ptr Word8 #ifdef __linux__-    , msgCtrlLen :: !CSize+    , msgCtrlLen :: CSize #else-    , msgCtrlLen :: !(#type socklen_t)+    , msgCtrlLen :: #type socklen_t #endif-    , msgFlags   :: !CInt+    , msgFlags   :: CInt     }  instance Storable (MsgHdr sa) where-  sizeOf    _ = (#const sizeof(struct msghdr))-  alignment _ = alignment (0 :: CInt)+  sizeOf    ~_ = (#const sizeof(struct msghdr))+  alignment ~_ = alignment (0 :: CInt)    peek p = do     name       <- (#peek struct msghdr, msg_name)       p

@@ -56,8 +56,7 @@           Left (E.SomeException _) -> return ()           Right () -> do               -- Waiting TCP FIN.-              E.bracket (mallocBytes bufSize) free $ \buf -> do-                  {-# SCC "" #-} recvEOFloop buf+              E.bracket (mallocBytes bufSize) free recvEOFloop     -- milliseconds. Taken from BSD fast clock value.     clock = 200     recvEOFloop buf = loop 0

@@ -191,7 +191,7 @@ accept :: SocketAddress sa => Socket -> IO (Socket, sa) accept listing_sock = withNewSocketAddress $ \new_sa sz ->     withFdSocket listing_sock $ \listing_fd -> do- new_sock <- callAccept listing_fd new_sa sz >>= mkSocket+ new_sock <- E.bracketOnError (callAccept listing_fd new_sa sz) c_close mkSocket  new_addr <- peekSocketAddress new_sa  return (new_sock, new_addr)   where

@@ -67,6 +67,9 @@     , pokeSockAddr     , withSockAddr +    -- * Null socket address type+    , NullSockAddr(..)+     -- * Unsorted     , ProtocolNumber     , defaultProtocol@@ -104,7 +107,7 @@ -----------------------------------------------------------------------------  -- | Basic type for a socket.-data Socket = Socket !(IORef CInt) !CInt {- for Show -}+data Socket = Socket (IORef CInt) CInt {- for Show -}  instance Show Socket where     show (Socket _ ofd) = "<socket: " ++ show ofd ++ ">"@@ -345,35 +348,35 @@ #ifdef SOCK_STREAM pattern Stream               = SocketType (#const SOCK_STREAM) #else-pattern Stream               = (-1)+pattern Stream               = UnsupportedSocketType #endif  pattern Datagram            :: SocketType #ifdef SOCK_DGRAM pattern Datagram             = SocketType (#const SOCK_DGRAM) #else-pattern Datagram             = (-1)+pattern Datagram             = UnsupportedSocketType #endif  pattern Raw                 :: SocketType #ifdef SOCK_RAW pattern Raw                  = SocketType (#const SOCK_RAW) #else-pattern Raw                  = (-1)+pattern Raw                  = UnsupportedSocketType #endif  pattern RDM                 :: SocketType #ifdef SOCK_RDM pattern RDM                  = SocketType (#const SOCK_RDM) #else-pattern RDM                  = (-1)+pattern RDM                  = UnsupportedSocketType #endif  pattern SeqPacket           :: SocketType #ifdef SOCK_SEQPACKET pattern SeqPacket            = SocketType (#const SOCK_SEQPACKET) #else-pattern SeqPacket            = (-1)+pattern SeqPacket            = UnsupportedSocketType #endif  ------------------------------------------------------------------------@@ -982,8 +985,8 @@ {-# DEPRECATED ntohl "Use getAddrInfo instead" #-}  instance Storable PortNumber where-   sizeOf    _ = sizeOf    (0 :: Word16)-   alignment _ = alignment (0 :: Word16)+   sizeOf    ~_ = sizeOf    (0 :: Word16)+   alignment ~_ = alignment (0 :: Word16)    poke p (PortNum po) = poke (castPtr p) (htons po)    peek p = PortNum . ntohs <$> peek (castPtr p) @@ -1007,6 +1010,7 @@ sockaddrStorageLen :: Int sockaddrStorageLen = 128 +{-# NOINLINE withSocketAddress #-} withSocketAddress :: SocketAddress sa => sa -> (Ptr sa -> Int -> IO a) -> IO a withSocketAddress addr f = do     let sz = sizeOfSocketAddress addr@@ -1021,6 +1025,17 @@     f ptr sockaddrStorageLen  ------------------------------------------------------------------------++-- | A null 'SocketAddress' for situations where a socket address+--   parameter is optional.+data NullSockAddr = NullSockAddr++instance SocketAddress NullSockAddr where+    sizeOfSocketAddress _ = 0+    peekSocketAddress _   = return NullSockAddr+    pokeSocketAddress _ _ = return ()++------------------------------------------------------------------------ -- Socket addresses  -- The scheme used for addressing sockets is somewhat quirky. The@@ -1051,13 +1066,13 @@ -- 'isSupportedSockAddr'. data SockAddr   = SockAddrInet-        !PortNumber      -- sin_port-        !HostAddress     -- sin_addr  (ditto)+        PortNumber      -- sin_port+        HostAddress     -- sin_addr  (ditto)   | SockAddrInet6-        !PortNumber      -- sin6_port-        !FlowInfo        -- sin6_flowinfo (ditto)-        !HostAddress6    -- sin6_addr (ditto)-        !ScopeID         -- sin6_scope_id (ditto)+        PortNumber      -- sin6_port+        FlowInfo        -- sin6_flowinfo (ditto)+        HostAddress6    -- sin6_addr (ditto)+        ScopeID         -- sin6_scope_id (ditto)   -- | The path must have fewer than 104 characters. All of these characters must have code points less than 256.   | SockAddrUnix         String           -- sun_path@@ -1114,6 +1129,9 @@ sizeOfSockAddr SockAddrInet{}  = #const sizeof(struct sockaddr_in) sizeOfSockAddr SockAddrInet6{} = #const sizeof(struct sockaddr_in6) +-- The combination of "-XString" and inlining results in a bug where+-- "sz" is always 0.+{-# NOINLINE withSockAddr #-} -- | Use a 'SockAddr' with a function requiring a pointer to a -- 'SockAddr' and the length of that 'SockAddr'. withSockAddr :: SockAddr -> (Ptr SockAddr -> Int -> IO a) -> IO a@@ -1279,8 +1297,8 @@ #endif  instance Storable In6Addr where-    sizeOf    _ = #const sizeof(struct in6_addr)-    alignment _ = #alignment struct in6_addr+    sizeOf    ~_ = #const sizeof(struct in6_addr)+    alignment ~_ = #alignment struct in6_addr      peek p = do         a <- peek32 p 0

@@ -88,8 +88,8 @@  newtype PeerCred = PeerCred (CUInt, CUInt, CUInt) instance Storable PeerCred where-    sizeOf    _ = (#const sizeof(struct ucred))-    alignment _ = alignment (0 :: CInt)+    sizeOf    ~_ = (#const sizeof(struct ucred))+    alignment ~_ = alignment (0 :: CInt)     poke _ _ = return ()     peek p = do         pid <- (#peek struct ucred, pid) p@@ -133,18 +133,11 @@ isUnixDomainSocketAvailable :: Bool isUnixDomainSocketAvailable = True -data NullSockAddr = NullSockAddr--instance SocketAddress NullSockAddr where-    sizeOfSocketAddress _ = 0-    peekSocketAddress _   = return NullSockAddr-    pokeSocketAddress _ _ = return ()- -- | Send a file descriptor over a UNIX-domain socket. --   This function does not work on Windows. sendFd :: Socket -> CInt -> IO () sendFd s outfd = void $ allocaBytes dummyBufSize $ \buf -> do-    let cmsg = encodeCmsg $ Fd outfd+    let cmsg = encodeCmsg [Fd outfd]     sendBufMsg s NullSockAddr [(buf,dummyBufSize)] [cmsg] mempty   where     dummyBufSize = 1@@ -156,9 +149,9 @@ recvFd :: Socket -> IO CInt recvFd s = allocaBytes dummyBufSize $ \buf -> do     (NullSockAddr, _, cmsgs, _) <- recvBufMsg s [(buf,dummyBufSize)] 32 mempty-    case (lookupCmsg CmsgIdFd cmsgs >>= decodeCmsg) :: Maybe Fd of-      Nothing      -> return (-1)-      Just (Fd fd) -> return fd+    case (lookupCmsg CmsgIdFds cmsgs >>= decodeCmsg) :: Maybe [Fd] of+      Just (Fd fd : _) -> return fd+      _                -> return (-1)   where     dummyBufSize = 16 

@@ -1,7 +1,8 @@- {-# LANGUAGE AllowAmbiguousTypes #-} {-# LANGUAGE CPP #-}+{-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE GeneralizedNewtypeDeriving #-}+{-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE PatternSynonyms #-} {-# LANGUAGE RecordWildCards #-} {-# LANGUAGE ScopedTypeVariables #-}@@ -27,16 +28,16 @@  -- | Control message (ancillary data) including a pair of level and type. data Cmsg = Cmsg {-    cmsgId   :: !CmsgId-  , cmsgData :: !ByteString+    cmsgId   :: CmsgId+  , cmsgData :: ByteString   } deriving (Eq, Show)  ----------------------------------------------------------------  -- | Identifier of control message (ancillary data). data CmsgId = CmsgId {-    cmsgLevel :: !CInt-  , cmsgType  :: !CInt+    cmsgLevel :: CInt+  , cmsgType  :: CInt   } deriving (Eq)  -- | Unsupported identifier@@ -70,8 +71,8 @@ -- | Control message ID for POSIX file-descriptor passing. -- --  Not supported on Windows; use WSADuplicateSocket instead-pattern CmsgIdFd :: CmsgId-pattern CmsgIdFd = CmsgId (-1) (-1)+pattern CmsgIdFds :: CmsgId+pattern CmsgIdFds = CmsgId (-1) (-1)  ---------------------------------------------------------------- @@ -91,11 +92,13 @@ ----------------------------------------------------------------  -- | A class to encode and decode control message.-class Storable a => ControlMessage a where+class ControlMessage a where     controlMessageId :: CmsgId+    encodeCmsg :: a -> Cmsg+    decodeCmsg :: Cmsg -> Maybe a -encodeCmsg :: forall a. ControlMessage a => a -> Cmsg-encodeCmsg x = unsafeDupablePerformIO $ do+encodeStorableCmsg :: forall a. (ControlMessage a, Storable a) => a -> Cmsg+encodeStorableCmsg x = unsafeDupablePerformIO $ do     bs <- create siz $ \p0 -> do         let p = castPtr p0         poke p x@@ -104,8 +107,8 @@   where     siz = sizeOf x -decodeCmsg :: forall a . (ControlMessage a, Storable a) => Cmsg -> Maybe a-decodeCmsg (Cmsg cmsid (PS fptr off len))+decodeStorableCmsg :: forall a . (ControlMessage a, Storable a) => Cmsg -> Maybe a+decodeStorableCmsg (Cmsg cmsid (PS fptr off len))   | cid /= cmsid = Nothing   | len < siz    = Nothing   | otherwise = unsafeDupablePerformIO $ withForeignPtr fptr $ \p0 -> do@@ -122,6 +125,8 @@  instance ControlMessage IPv4TTL where     controlMessageId = CmsgIdIPv4TTL+    decodeCmsg = decodeStorableCmsg+    encodeCmsg = encodeStorableCmsg  ---------------------------------------------------------------- @@ -130,6 +135,8 @@  instance ControlMessage IPv6HopLimit where     controlMessageId = CmsgIdIPv6HopLimit+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  ---------------------------------------------------------------- @@ -138,6 +145,8 @@  instance ControlMessage IPv4TOS where     controlMessageId = CmsgIdIPv4TOS+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  ---------------------------------------------------------------- @@ -146,6 +155,8 @@  instance ControlMessage IPv6TClass where     controlMessageId = CmsgIdIPv6TClass+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  ---------------------------------------------------------------- @@ -158,10 +169,12 @@  instance ControlMessage IPv4PktInfo where     controlMessageId = CmsgIdIPv4PktInfo+    encodeCmsg = encodeStorableCmsg+    decodeCmsg = decodeStorableCmsg  instance Storable IPv4PktInfo where-    sizeOf    _ = #{size IN_PKTINFO}-    alignment _ = #alignment IN_PKTINFO+    sizeOf    ~_ = #{size IN_PKTINFO}+    alignment ~_ = #alignment IN_PKTINFO     poke p (IPv4PktInfo n _ ha) = do         (#poke IN_PKTINFO, ipi_ifindex)  p (fromIntegral n :: CInt)         (#poke IN_PKTINFO, ipi_addr)     p ha@@ -180,10 +193,12 @@  instance ControlMessage IPv6PktInfo where     controlMessageId = CmsgIdIPv6PktInfo+    decodeCmsg = decodeStorableCmsg+    encodeCmsg = encodeStorableCmsg  instance Storable IPv6PktInfo where-    sizeOf    _ = #{size IN6_PKTINFO}-    alignment _ = #alignment IN6_PKTINFO+    sizeOf    ~_ = #{size IN6_PKTINFO}+    alignment ~_ = #alignment IN6_PKTINFO     poke p (IPv6PktInfo n ha6) = do         (#poke IN6_PKTINFO, ipi6_ifindex) p (fromIntegral n :: CInt)         (#poke IN6_PKTINFO, ipi6_addr)    p (In6Addr ha6)@@ -192,9 +207,15 @@         n :: ULONG  <- (#peek IN6_PKTINFO, ipi6_ifindex) p         return $ IPv6PktInfo (fromIntegral n) ha6 -instance ControlMessage Fd where-    controlMessageId = CmsgIdFd+---------------------------------------------------------------- +instance ControlMessage [Fd] where+    controlMessageId = CmsgIdFds+    encodeCmsg = \_ -> Cmsg CmsgIdFds ""+    decodeCmsg = \_ -> Just []++----------------------------------------------------------------+ cmsgIdBijection :: Bijection CmsgId String cmsgIdBijection =     [ (UnsupportedCmsgId, "UnsupportedCmsgId")@@ -204,7 +225,7 @@     , (CmsgIdIPv6TClass, "CmsgIdIPv6TClass")     , (CmsgIdIPv4PktInfo, "CmsgIdIPv4PktInfo")     , (CmsgIdIPv6PktInfo, "CmsgIdIPv6PktInfo")-    , (CmsgIdFd, "CmsgIdFd")+    , (CmsgIdFds, "CmsgIdFds")     ]  instance Show CmsgId where

@@ -19,14 +19,14 @@ import Network.Socket.Types  data CmsgHdr = CmsgHdr {-    cmsgHdrLen   :: !CUInt-  , cmsgHdrLevel :: !CInt-  , cmsgHdrType  :: !CInt+    cmsgHdrLen   :: CUInt+  , cmsgHdrLevel :: CInt+  , cmsgHdrType  :: CInt   } deriving (Eq, Show)  instance Storable CmsgHdr where-  sizeOf    _ = #{size WSACMSGHDR}-  alignment _ = #alignment WSACMSGHDR+  sizeOf    ~_ = #{size WSACMSGHDR}+  alignment ~_ = #alignment WSACMSGHDR    peek p = do     len <- (#peek WSACMSGHDR, cmsg_len)   p

@@ -18,18 +18,18 @@ -- The size of BufferLen is different on pre-vista compilers. -- But since those platforms are out of support anyway we ignore that. data MsgHdr sa = MsgHdr-    { msgName      :: !(Ptr sa)-    , msgNameLen   :: !CInt-    , msgBuffer    :: !(Ptr WSABuf)-    , msgBufferLen :: !DWORD-    , msgCtrl      :: !(Ptr Word8)-    , msgCtrlLen   :: !ULONG-    , msgFlags     :: !DWORD+    { msgName      :: Ptr sa+    , msgNameLen   :: CInt+    , msgBuffer    :: Ptr WSABuf+    , msgBufferLen :: DWORD+    , msgCtrl      :: Ptr Word8+    , msgCtrlLen   :: ULONG+    , msgFlags     :: DWORD     } deriving Show  instance Storable (MsgHdr sa) where-  sizeOf    _ = #{size WSAMSG}-  alignment _ = #alignment WSAMSG+  sizeOf    ~_ = #{size WSAMSG}+  alignment ~_ = #alignment WSAMSG    peek p = do     name       <- (#peek WSAMSG, name)          p

@@ -15,13 +15,13 @@ type ULONG = Word32  data WSABuf = WSABuf-    { wsaBufPtr :: !(Ptr Word8)-    , wsaBufLen :: !ULONG+    { wsaBufPtr :: Ptr Word8+    , wsaBufLen :: ULONG     }  instance Storable WSABuf where-  sizeOf    _ = #{size WSABUF}-  alignment _ = #alignment WSABUF+  sizeOf    ~_ = #{size WSABUF}+  alignment ~_ = #alignment WSABUF    peek p = do     base <- (#peek WSABUF, buf) p

@@ -10,7 +10,6 @@  The `network` package support [3 major versions of GHC](https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/intro.html#ghc-version-numbering-policy) only. This means that the current stable version and two previous stable versions are supported.-However, all GHC 8.x are supported currently.  ### Windows @@ -44,31 +43,3 @@ ``` ##include "HsNetDef.h" ```--## Milestones--### 2.6--- [x] Making `SockAddrCan` deprecated--### 2.7--See https://github.com/haskell/network/issues/296--- [x] Making `Network` deprecated-- [x] Making `Network.BSD` deprecated-- [x] Making `MkSocket` deprecated-- [x] Making many APIs deprecated--### 2.8--- [x] Stop exporting the `PortNum` Constructor in `PortNumber`--### 3.0--- [x] Removing `Network`-- [x] Removing `Network.BSD`-- [x] Removing `SockAddrCan`-- [x] Changing the internal structure of `Socket`.-- [x] Make address extensible.-- [x] Remove EOF errors

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Look in the path if we contain no directory separator.+as_myself=+case $0 in #((+  *[\\/]* ) as_myself=$0 ;;+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    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+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2+  exit 1+fi+++# Use a proper internal environment variable to ensure we don't fall+  # into an infinite loop, continuously re-executing ourselves.+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then+    _as_can_reexec=no; export _as_can_reexec;+    # We cannot yet assume a decent shell, so we have to provide a+# neutralization value for shells without unset; and this also+# works around shells that cannot unset nonexistent variables.+# Preserve -v and -x to the replacement shell.+BASH_ENV=/dev/null+ENV=/dev/null+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV+case $- in # ((((+  *v*x* | *x*v* ) as_opts=-vx ;;+  *v* ) as_opts=-v ;;+  *x* ) as_opts=-x ;;+  * ) as_opts= ;;+esac+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}+# Admittedly, this is quite paranoid, since all the known shells bail+# out after a failed `exec'.+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2+exit 255+  fi+  # We don't want this to propagate to other subprocesses.+          { _as_can_reexec=; unset _as_can_reexec;}+if test "x$CONFIG_SHELL" = x; then+  as_bourne_compatible="as_nop=:+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1+then :+  emulate sh+  NULLCMD=:+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which+  # is contrary to our usage.  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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" ||+    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }++  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have+  # already done that, so ensure we don't try to do so again and fall+  # in an infinite loop.  This has already happened in practice.+  _as_can_reexec=no; export _as_can_reexec+  # 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 \`$ac_default_prefix' using \`--prefix',+for instance \`--prefix=\$HOME'.++For better control, use the options below.++Fine tuning of the installation directories:+  --bindir=DIR            user executables [EPREFIX/bin]+  --sbindir=DIR           system admin executables [EPREFIX/sbin]+  --libexecdir=DIR        program executables [EPREFIX/libexec]+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]+  --libdir=DIR            object code libraries [EPREFIX/lib]+  --includedir=DIR        C header files [PREFIX/include]+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]+  --infodir=DIR           info documentation [DATAROOTDIR/info]+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]+  --mandir=DIR            man documentation [DATAROOTDIR/man]+  --docdir=DIR            documentation root [DATAROOTDIR/doc/network]+  --htmldir=DIR           html documentation [DOCDIR]+  --dvidir=DIR            dvi documentation [DOCDIR]+  --pdfdir=DIR            pdf documentation [DOCDIR]+  --psdir=DIR             ps documentation [DOCDIR]+_ACEOF++  cat <<\_ACEOF++System types:+  --build=BUILD     configure for building on BUILD [guessed]+  --host=HOST       cross-compile to build programs to run on HOST [BUILD]+_ACEOF+fi++if test -n "$ac_init_help"; then+  case $ac_init_help in+     short | recursive ) echo "Configuration of Haskell network package 3.2.0.0:";;+   esac+  cat <<\_ACEOF++Optional Packages:+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)+C compiler++Some influential environment variables:+  CC          C compiler command+  CFLAGS      C compiler flags+  LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a+              nonstandard directory <lib dir>+  LIBS        libraries to pass to the linker, e.g. -l<library>+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if+              you have headers in a nonstandard directory <include dir>++Use these variables to override the choices made by `configure' or to help+it to find libraries and programs with nonstandard names/locations.++Report bugs to <libraries@haskell.org>.+_ACEOF+ac_status=$?+fi++if test "$ac_init_help" = "recursive"; then+  # If there are subdirs, report their specific --help.+  for ac_dir in : $ac_subdirs_all; 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" >&6; }+if eval test \${$3+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`+  eval ac_save_FLAGS=\$$6+  as_fn_append $6 " $5"+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+$4+int+main (void)+{+#ifndef $as_decl_name+#ifdef __cplusplus+  (void) $as_decl_use;+#else+  (void) $as_decl_name;+#endif+#endif++  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  eval "$3=yes"+else $as_nop+  eval "$3=no"+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+  eval $6=\$ac_save_FLAGS++fi+eval ac_res=\$$3+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5+printf "%s\n" "$ac_res" >&6; }+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno++} # ac_fn_check_decl++# ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES+# ----------------------------------------------------+# Tries to find if the field MEMBER exists in type AGGR, after including+# INCLUDES, setting cache variable VAR accordingly.+ac_fn_c_check_member ()+{+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5+printf %s "checking for $2.$3... " >&6; }+if eval test \${$4+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+$5+int+main (void)+{+static $2 ac_aggr;+if (ac_aggr.$3)+return 0;+  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  eval "$4=yes"+else $as_nop+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+$5+int+main (void)+{+static $2 ac_aggr;+if (sizeof ac_aggr.$3)+return 0;+  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  eval "$4=yes"+else $as_nop+  eval "$4=no"+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+fi+eval ac_res=\$$4+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5+printf "%s\n" "$ac_res" >&6; }+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno++} # ac_fn_c_check_member+ac_configure_args_raw=+for ac_arg+do+  case $ac_arg in+  *\'*)+    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;+  esac+  as_fn_append ac_configure_args_raw " '$ac_arg'"+done++case $ac_configure_args_raw in+  *$as_nl*)+    ac_safe_unquote= ;;+  *)+    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.+    ac_unsafe_a="$ac_unsafe_z#~"+    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"+    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;+esac++cat >config.log <<_ACEOF+This file contains any messages produced by compilers while+running configure, to aid debugging if configure makes a mistake.++It was created by Haskell network package $as_me 3.2.0.0, which was+generated by GNU Autoconf 2.71.  Invocation command line was++  $ $0$ac_configure_args_raw++_ACEOF+exec 5>>config.log+{+cat <<_ASUNAME+## --------- ##+## Platform. ##+## --------- ##++hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`+uname -m = `(uname -m) 2>/dev/null || echo unknown`+uname -r = `(uname -r) 2>/dev/null || echo unknown`+uname -s = `(uname -s) 2>/dev/null || echo unknown`+uname -v = `(uname -v) 2>/dev/null || echo unknown`++/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`++/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`++_ASUNAME++as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    printf "%s\n" "PATH: $as_dir"+  done+IFS=$as_save_IFS++} >&5++cat >&5 <<_ACEOF+++## ----------- ##+## Core tests. ##+## ----------- ##++_ACEOF+++# Keep a trace of the command line.+# Strip out --no-create and --no-recursion so they do not pile up.+# Strip out --silent because we don't want to record it for future runs.+# Also quote any args containing shell meta-characters.+# Make two passes to allow for proper duplicate-argument suppression.+ac_configure_args=+ac_configure_args0=+ac_configure_args1=+ac_must_keep_next=false+for ac_pass in 1 2+do+  for ac_arg+  do+    case $ac_arg in+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \+    | -silent | --silent | --silen | --sile | --sil)+      continue ;;+    *\'*)+      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;+    esac+    case $ac_pass in+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;+    2)+      as_fn_append ac_configure_args1 " '$ac_arg'"+      if test $ac_must_keep_next = true; then+	ac_must_keep_next=false # Got value, back to normal.+      else+	case $ac_arg in+	  *=* | --config-cache | -C | -disable-* | --disable-* \+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \+	  | -with-* | --with-* | -without-* | --without-* | --x)+	    case "$ac_configure_args0 " in+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;+	    esac+	    ;;+	  -* ) ac_must_keep_next=true ;;+	esac+      fi+      as_fn_append ac_configure_args " '$ac_arg'"+      ;;+    esac+  done+done+{ ac_configure_args0=; unset ac_configure_args0;}+{ ac_configure_args1=; unset ac_configure_args1;}++# When interrupted or exit'd, cleanup temporary files, and complete+# config.log.  We remove comments because anyway the quotes in there+# would cause problems or look ugly.+# WARNING: Use '\'' to represent an apostrophe within the trap.+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.+trap 'exit_status=$?+  # Sanitize IFS.+  IFS=" ""	$as_nl"+  # Save into config.log some information that might help in debugging.+  {+    echo++    printf "%s\n" "## ---------------- ##+## Cache variables. ##+## ---------------- ##"+    echo+    # The following way of writing the cache mishandles newlines in values,+(+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do+    eval ac_val=\$$ac_var+    case $ac_val in #(+    *${as_nl}*)+      case $ac_var in #(+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;+      esac+      case $ac_var in #(+      _ | IFS | as_nl) ;; #(+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(+      *) { eval $ac_var=; unset $ac_var;} ;;+      esac ;;+    esac+  done+  (set) 2>&1 |+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(+    *${as_nl}ac_space=\ *)+      sed -n \+	"s/'\''/'\''\\\\'\'''\''/g;+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"+      ;; #(+    *)+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"+      ;;+    esac |+    sort+)+    echo++    printf "%s\n" "## ----------------- ##+## Output variables. ##+## ----------------- ##"+    echo+    for ac_var in $ac_subst_vars+    do+      eval ac_val=\$$ac_var+      case $ac_val in+      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;+      esac+      printf "%s\n" "$ac_var='\''$ac_val'\''"+    done | sort+    echo++    if test -n "$ac_subst_files"; then+      printf "%s\n" "## ------------------- ##+## File substitutions. ##+## ------------------- ##"+      echo+      for ac_var in $ac_subst_files+      do+	eval ac_val=\$$ac_var+	case $ac_val in+	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;+	esac+	printf "%s\n" "$ac_var='\''$ac_val'\''"+      done | sort+      echo+    fi++    if test -s confdefs.h; then+      printf "%s\n" "## ----------- ##+## confdefs.h. ##+## ----------- ##"+      echo+      cat confdefs.h+      echo+    fi+    test "$ac_signal" != 0 &&+      printf "%s\n" "$as_me: caught signal $ac_signal"+    printf "%s\n" "$as_me: exit $exit_status"+  } >&5+  rm -f core *.core core.conftest.* &&+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&+    exit $exit_status+' 0+for ac_signal in 1 2 13 15; do+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal+done+ac_signal=0++# confdefs.h avoids OS command line length limits that DEFS can exceed.+rm -f -r conftest* confdefs.h++printf "%s\n" "/* confdefs.h */" > confdefs.h++# Predefined preprocessor variables.++printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h++printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h++printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h++printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h++printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h++printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h+++# Let the site file select an alternate cache file if it wants to.+# Prefer an explicitly selected file to automatically selected ones.+if test -n "$CONFIG_SITE"; then+  ac_site_files="$CONFIG_SITE"+elif test "x$prefix" != xNONE; then+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"+else+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"+fi++for ac_site_file in $ac_site_files+do+  case $ac_site_file in #(+  */*) :+     ;; #(+  *) :+    ac_site_file=./$ac_site_file ;;+esac+  if test -f "$ac_site_file" && test -r "$ac_site_file"; then+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5+printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}+    sed 's/^/| /' "$ac_site_file" >&5+    . "$ac_site_file" \+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+as_fn_error $? "failed to load site script $ac_site_file+See \`config.log' for more details" "$LINENO" 5; }+  fi+done++if test -r "$cache_file"; then+  # Some versions of bash will fail to source /dev/null (special files+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5+printf "%s\n" "$as_me: loading cache $cache_file" >&6;}+    case $cache_file in+      [\\/]* | ?:[\\/]* ) . "$cache_file";;+      *)                      . "./$cache_file";;+    esac+  fi+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5+printf "%s\n" "$as_me: creating cache $cache_file" >&6;}+  >$cache_file+fi++# Test code for whether the C compiler supports C89 (global declarations)+ac_c_conftest_c89_globals='+/* Does the compiler advertise C89 conformance?+   Do not test the value of __STDC__, because some compilers set it to 0+   while being otherwise adequately conformant. */+#if !defined __STDC__+# error "Compiler does not advertise C89 conformance"+#endif++#include <stddef.h>+#include <stdarg.h>+struct stat;+/* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */+struct buf { int x; };+struct buf * (*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 do not provoke an error unfortunately, instead are silently treated+   as an "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 is necessary to write \x00 == 0 to get something+   that is 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 **, int *(*)(struct buf *, struct stat *, int),+               int, int);'++# Test code for whether the C compiler supports C89 (body of main).+ac_c_conftest_c89_main='+ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);+'++# Test code for whether the C compiler supports C99 (global declarations)+ac_c_conftest_c99_globals='+// Does the compiler advertise C99 conformance?+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L+# error "Compiler does not advertise C99 conformance"+#endif++#include <stdbool.h>+extern int puts (const char *);+extern int printf (const char *, ...);+extern int dprintf (int, const char *, ...);+extern void *malloc (size_t);++// Check varargs macros.  These examples are taken from C99 6.10.3.5.+// dprintf is used instead of fprintf to avoid needing to declare+// FILE and stderr.+#define debug(...) dprintf (2, __VA_ARGS__)+#define showlist(...) puts (#__VA_ARGS__)+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))+static void+test_varargs_macros (void)+{+  int x = 1234;+  int y = 5678;+  debug ("Flag");+  debug ("X = %d\n", x);+  showlist (The first, second, and third items.);+  report (x>y, "x is %d but y is %d", x, y);+}++// Check long long types.+#define BIG64 18446744073709551615ull+#define BIG32 4294967295ul+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)+#if !BIG_OK+  #error "your preprocessor is broken"+#endif+#if BIG_OK+#else+  #error "your preprocessor is broken"+#endif+static long long int bignum = -9223372036854775807LL;+static unsigned long long int ubignum = BIG64;++struct incomplete_array+{+  int datasize;+  double data[];+};++struct named_init {+  int number;+  const wchar_t *name;+  double average;+};++typedef const char *ccp;++static inline int+test_restrict (ccp restrict text)+{+  // See if C++-style comments work.+  // Iterate through items via the restricted pointer.+  // Also check for declarations in for loops.+  for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)+    continue;+  return 0;+}++// Check varargs and va_copy.+static bool+test_varargs (const char *format, ...)+{+  va_list args;+  va_start (args, format);+  va_list args_copy;+  va_copy (args_copy, args);++  const char *str = "";+  int number = 0;+  float fnumber = 0;++  while (*format)+    {+      switch (*format++)+	{+	case '\''s'\'': // string+	  str = va_arg (args_copy, const char *);+	  break;+	case '\''d'\'': // int+	  number = va_arg (args_copy, int);+	  break;+	case '\''f'\'': // float+	  fnumber = va_arg (args_copy, double);+	  break;+	default:+	  break;+	}+    }+  va_end (args_copy);+  va_end (args);++  return *str && number && fnumber;+}+'++# Test code for whether the C compiler supports C99 (body of main).+ac_c_conftest_c99_main='+  // Check bool.+  _Bool success = false;+  success |= (argc != 0);++  // Check restrict.+  if (test_restrict ("String literal") == 0)+    success = true;+  char *restrict newvar = "Another string";++  // Check varargs.+  success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);+  test_varargs_macros ();++  // Check flexible array members.+  struct incomplete_array *ia =+    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));+  ia->datasize = 10;+  for (int i = 0; i < ia->datasize; ++i)+    ia->data[i] = i * 1.234;++  // Check named initializers.+  struct named_init ni = {+    .number = 34,+    .name = L"Test wide string",+    .average = 543.34343,+  };++  ni.number = 58;++  int dynamic_array[ni.number];+  dynamic_array[0] = argv[0][0];+  dynamic_array[ni.number - 1] = 543;++  // work around unused variable warnings+  ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''+	 || dynamic_array[ni.number - 1] != 543);+'++# Test code for whether the C compiler supports C11 (global declarations)+ac_c_conftest_c11_globals='+// Does the compiler advertise C11 conformance?+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L+# error "Compiler does not advertise C11 conformance"+#endif++// Check _Alignas.+char _Alignas (double) aligned_as_double;+char _Alignas (0) no_special_alignment;+extern char aligned_as_int;+char _Alignas (0) _Alignas (int) aligned_as_int;++// Check _Alignof.+enum+{+  int_alignment = _Alignof (int),+  int_array_alignment = _Alignof (int[100]),+  char_alignment = _Alignof (char)+};+_Static_assert (0 < -_Alignof (int), "_Alignof is signed");++// Check _Noreturn.+int _Noreturn does_not_return (void) { for (;;) continue; }++// Check _Static_assert.+struct test_static_assert+{+  int x;+  _Static_assert (sizeof (int) <= sizeof (long int),+                  "_Static_assert does not work in struct");+  long int y;+};++// Check UTF-8 literals.+#define u8 syntax error!+char const utf8_literal[] = u8"happens to be ASCII" "another string";++// Check duplicate typedefs.+typedef long *long_ptr;+typedef long int *long_ptr;+typedef long_ptr long_ptr;++// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.+struct anonymous+{+  union {+    struct { int i; int j; };+    struct { int k; long int l; } w;+  };+  int m;+} v1;+'++# Test code for whether the C compiler supports C11 (body of main).+ac_c_conftest_c11_main='+  _Static_assert ((offsetof (struct anonymous, i)+		   == offsetof (struct anonymous, w.k)),+		  "Anonymous union alignment botch");+  v1.i = 2;+  v1.w.k = 5;+  ok |= v1.i != 5;+'++# Test code for whether the C compiler supports C11 (complete).+ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}+${ac_c_conftest_c99_globals}+${ac_c_conftest_c11_globals}++int+main (int argc, char **argv)+{+  int ok = 0;+  ${ac_c_conftest_c89_main}+  ${ac_c_conftest_c99_main}+  ${ac_c_conftest_c11_main}+  return ok;+}+"++# Test code for whether the C compiler supports C99 (complete).+ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}+${ac_c_conftest_c99_globals}++int+main (int argc, char **argv)+{+  int ok = 0;+  ${ac_c_conftest_c89_main}+  ${ac_c_conftest_c99_main}+  return ok;+}+"++# Test code for whether the C compiler supports C89 (complete).+ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}++int+main (int argc, char **argv)+{+  int ok = 0;+  ${ac_c_conftest_c89_main}+  return ok;+}+"++as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"+as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"+as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"+as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"+as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"+as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"+as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"+as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"+as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"++# Auxiliary files required by this configure script.+ac_aux_files="config.guess config.sub"++# Locations in which to look for auxiliary files.+ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.."++# Search for a directory containing all of the required auxiliary files,+# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates.+# If we don't find one directory that contains all the files we need,+# we report the set of missing files from the *first* directory in+# $ac_aux_dir_candidates and give up.+ac_missing_aux_files=""+ac_first_candidate=:+printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+as_found=false+for as_dir in $ac_aux_dir_candidates+do+  IFS=$as_save_IFS+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+  as_found=:++  printf "%s\n" "$as_me:${as_lineno-$LINENO}:  trying $as_dir" >&5+  ac_aux_dir_found=yes+  ac_install_sh=+  for ac_aux in $ac_aux_files+  do+    # As a special case, if "install-sh" is required, that requirement+    # can be satisfied by any of "install-sh", "install.sh", or "shtool",+    # and $ac_install_sh is set appropriately for whichever one is found.+    if test x"$ac_aux" = x"install-sh"+    then+      if test -f "${as_dir}install-sh"; then+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install-sh found" >&5+        ac_install_sh="${as_dir}install-sh -c"+      elif test -f "${as_dir}install.sh"; then+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install.sh found" >&5+        ac_install_sh="${as_dir}install.sh -c"+      elif test -f "${as_dir}shtool"; then+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}shtool found" >&5+        ac_install_sh="${as_dir}shtool install -c"+      else+        ac_aux_dir_found=no+        if $ac_first_candidate; then+          ac_missing_aux_files="${ac_missing_aux_files} install-sh"+        else+          break+        fi+      fi+    else+      if test -f "${as_dir}${ac_aux}"; then+        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}${ac_aux} found" >&5+      else+        ac_aux_dir_found=no+        if $ac_first_candidate; then+          ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}"+        else+          break+        fi+      fi+    fi+  done+  if test "$ac_aux_dir_found" = yes; then+    ac_aux_dir="$as_dir"+    break+  fi+  ac_first_candidate=false++  as_found=false+done+IFS=$as_save_IFS+if $as_found+then :++else $as_nop+  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5+fi+++# These three variables are undocumented and unsupported,+# and are intended to be withdrawn in a future Autoconf release.+# They can cause serious problems if a builder's source tree is in a directory+# whose full name contains unusual characters.+if test -f "${ac_aux_dir}config.guess"; then+  ac_config_guess="$SHELL ${ac_aux_dir}config.guess"+fi+if test -f "${ac_aux_dir}config.sub"; then+  ac_config_sub="$SHELL ${ac_aux_dir}config.sub"+fi+if test -f "$ac_aux_dir/configure"; then+  ac_configure="$SHELL ${ac_aux_dir}configure"+fi++# Check that the precious variables saved in the cache have kept the same+# value.+ac_cache_corrupted=false+for ac_var in $ac_precious_vars; do+  eval ac_old_set=\$ac_cv_env_${ac_var}_set+  eval ac_new_set=\$ac_env_${ac_var}_set+  eval ac_old_val=\$ac_cv_env_${ac_var}_value+  eval ac_new_val=\$ac_env_${ac_var}_value+  case $ac_old_set,$ac_new_set in+    set,)+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5+printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}+      ac_cache_corrupted=: ;;+    ,set)+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5+printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}+      ac_cache_corrupted=: ;;+    ,);;+    *)+      if test "x$ac_old_val" != "x$ac_new_val"; then+	# differences in whitespace do not lead to failure.+	ac_old_val_w=`echo x $ac_old_val`+	ac_new_val_w=`echo x $ac_new_val`+	if test "$ac_old_val_w" != "$ac_new_val_w"; then+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5+printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}+	  ac_cache_corrupted=:+	else+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5+printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}+	  eval $ac_var=\$ac_old_val+	fi+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5+printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}+      fi;;+  esac+  # Pass precious variables to config.status.+  if test "$ac_new_set" = set; then+    case $ac_new_val in+    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;+    *) ac_arg=$ac_var=$ac_new_val ;;+    esac+    case " $ac_configure_args " in+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;+    esac+  fi+done+if $ac_cache_corrupted; then+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5+printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'+	    and start over" "$LINENO" 5+fi+## -------------------- ##+## Main body of script. ##+## -------------------- ##++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_includes_default="#ifndef _WIN32+# define _GNU_SOURCE 1  /* for struct ucred on Linux */+#endif+$ac_includes_default++#ifdef _WIN32+# include <winsock2.h>+# include <ws2tcpip.h>+# define IPV6_V6ONLY 27+#endif++#ifdef HAVE_LIMITS_H+# include <limits.h>+#endif+#ifdef HAVE_STDLIB_H+# include <stdlib.h>+#endif+#ifdef HAVE_UNISTD_H+#include <unistd.h>+#endif+#ifdef HAVE_SYS_TYPES_H+# include <sys/types.h>+#endif+#ifdef HAVE_FCNTL_H+# include <fcntl.h>+#endif+#ifdef HAVE_SYS_UIO_H+# include <sys/uio.h>+#endif+#ifdef HAVE_SYS_SOCKET_H+# include <sys/socket.h>+#endif+#ifdef HAVE_NETINET_IN_H+# include <netinet/in.h>+#endif+#ifdef HAVE_NETINET_TCP_H+# include <netinet/tcp.h>+#endif+#ifdef HAVE_SYS_UN_H+# include <sys/un.h>+#endif+#ifdef HAVE_ARPA_INET_H+# include <arpa/inet.h>+#endif+#ifdef HAVE_NETDB_H+#include <netdb.h>+#endif+#ifdef HAVE_NET_IF_H+# include <net/if.h>+#endif+#ifdef HAVE_NETIOAPI_H+# include <netioapi.h>+#endif+"++++ac_config_headers="$ac_config_headers include/HsNetworkConfig.h"++++++  # Make sure we can run config.sub.+$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||+  as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5++{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5+printf %s "checking build system type... " >&6; }+if test ${ac_cv_build+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  ac_build_alias=$build_alias+test "x$ac_build_alias" = x &&+  ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`+test "x$ac_build_alias" = x &&+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5+ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||+  as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5++fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5+printf "%s\n" "$ac_cv_build" >&6; }+case $ac_cv_build in+*-*-*) ;;+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;+esac+build=$ac_cv_build+ac_save_IFS=$IFS; IFS='-'+set x $ac_cv_build+shift+build_cpu=$1+build_vendor=$2+shift; shift+# Remember, the first character of IFS is used to create $*,+# except with old shells:+build_os=$*+IFS=$ac_save_IFS+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac+++{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5+printf %s "checking host system type... " >&6; }+if test ${ac_cv_host+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test "x$host_alias" = x; then+  ac_cv_host=$ac_cv_build+else+  ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||+    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5+fi++fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5+printf "%s\n" "$ac_cv_host" >&6; }+case $ac_cv_host in+*-*-*) ;;+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;+esac+host=$ac_cv_host+ac_save_IFS=$IFS; IFS='-'+set x $ac_cv_host+shift+host_cpu=$1+host_vendor=$2+shift; shift+# Remember, the first character of IFS is used to create $*,+# except with old shells:+host_os=$*+IFS=$ac_save_IFS+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac+++++# Check whether --with-cc was given.+if test ${with_cc+y}+then :+  withval=$with_cc; CC=$withval+fi+++++++++++ac_ext=c+ac_cpp='$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+if test -n "$ac_tool_prefix"; then+  # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.+set dummy ${ac_tool_prefix}gcc; ac_word=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    ac_cv_prog_CC="${ac_tool_prefix}gcc"+    printf "%s\n" "$as_me:${as_lineno-$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+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf "%s\n" "$CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi+++fi+if test -z "$ac_cv_prog_CC"; then+  ac_ct_CC=$CC+  # Extract the first word of "gcc", so it can be a program name with args.+set dummy gcc; ac_word=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_ac_ct_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    ac_cv_prog_ac_ct_CC="gcc"+    printf "%s\n" "$as_me:${as_lineno-$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+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5+printf "%s\n" "$ac_ct_CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi++  if test "x$ac_ct_CC" = x; then+    CC=""+  else+    case $cross_compiling:$ac_tool_warned in+yes:)+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&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=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    ac_cv_prog_CC="${ac_tool_prefix}cc"+    printf "%s\n" "$as_me:${as_lineno-$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+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf "%s\n" "$CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi+++  fi+fi+if test -z "$CC"; then+  # Extract the first word of "cc", so it can be a program name with args.+set dummy cc; ac_word=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then+       ac_prog_rejected=yes+       continue+     fi+    ac_cv_prog_CC="cc"+    printf "%s\n" "$as_me:${as_lineno-$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 "$CC"; then+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf "%s\n" "$CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi+++fi+if test -z "$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=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    ac_cv_prog_CC="$ac_tool_prefix$ac_prog"+    printf "%s\n" "$as_me:${as_lineno-$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+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf "%s\n" "$CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi+++    test -n "$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=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_ac_ct_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    ac_cv_prog_ac_ct_CC="$ac_prog"+    printf "%s\n" "$as_me:${as_lineno-$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+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5+printf "%s\n" "$ac_ct_CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi+++  test -n "$ac_ct_CC" && break+done++  if test "x$ac_ct_CC" = x; then+    CC=""+  else+    case $cross_compiling:$ac_tool_warned in+yes:)+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}+ac_tool_warned=yes ;;+esac+    CC=$ac_ct_CC+  fi+fi++fi+if test -z "$CC"; then+  if test -n "$ac_tool_prefix"; then+  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.+set dummy ${ac_tool_prefix}clang; ac_word=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    ac_cv_prog_CC="${ac_tool_prefix}clang"+    printf "%s\n" "$as_me:${as_lineno-$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+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf "%s\n" "$CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi+++fi+if test -z "$ac_cv_prog_CC"; then+  ac_ct_CC=$CC+  # Extract the first word of "clang", so it can be a program name with args.+set dummy clang; ac_word=$2+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_ac_ct_CC+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  if test -n "$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+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    for ac_exec_ext in '' $ac_executable_extensions; do+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+    ac_cv_prog_ac_ct_CC="clang"+    printf "%s\n" "$as_me:${as_lineno-$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+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5+printf "%s\n" "$ac_ct_CC" >&6; }+else+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+fi++  if test "x$ac_ct_CC" = x; then+    CC=""+  else+    case $cross_compiling:$ac_tool_warned in+yes:)+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}+ac_tool_warned=yes ;;+esac+    CC=$ac_ct_CC+  fi+else+  CC="$ac_cv_prog_CC"+fi++fi+++test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+as_fn_error $? "no acceptable C compiler found in \$PATH+See \`config.log' for more details" "$LINENO" 5; }++# Provide some information about the compiler.+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5+set X $ac_compile+ac_compiler=$2+for ac_option in --version -v -V -qversion -version; do+  { { ac_try="$ac_compiler $ac_option >&5"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf "%s\n" "$ac_try_echo"; } >&5+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err+  ac_status=$?+  if test -s conftest.err; then+    sed '10a\+... rest of stderr output deleted ...+         10q' conftest.err >conftest.er1+    cat conftest.er1 >&5+  fi+  rm -f conftest.er1 conftest.err+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+  test $ac_status = 0; }+done++cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{++  ;+  return 0;+}+_ACEOF+ac_clean_files_save=$ac_clean_files+ac_clean_files="$ac_clean_files a.out a.out.dSYM 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.+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5+printf %s "checking whether the C compiler works... " >&6; }+ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`++# The possible output files:+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"++ac_rmfiles=+for ac_file in $ac_files+do+  case $ac_file in+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.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 ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf "%s\n" "$ac_try_echo"; } >&5+  (eval "$ac_link_default") 2>&5+  ac_status=$?+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+  test $ac_status = 0; }+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 | *.dSYM | *.o | *.obj )+	;;+    [ab].out )+	# We found the default executable, but exeext='' is most+	# certainly right.+	break;;+    *.* )+	if test ${ac_cv_exeext+y} && test "$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 $as_nop+  ac_file=''+fi+if test -z "$ac_file"+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf "%s\n" "no" >&6; }+printf "%s\n" "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+as_fn_error 77 "C compiler cannot create executables+See \`config.log' for more details" "$LINENO" 5; }+else $as_nop+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5+printf "%s\n" "yes" >&6; }+fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5+printf %s "checking for C compiler default output file name... " >&6; }+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5+printf "%s\n" "$ac_file" >&6; }+ac_exeext=$ac_cv_exeext++rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out+ac_clean_files=$ac_clean_files_save+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5+printf %s "checking for suffix of executables... " >&6; }+if { { ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf "%s\n" "$ac_try_echo"; } >&5+  (eval "$ac_link") 2>&5+  ac_status=$?+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+  test $ac_status = 0; }+then :+  # If both `conftest.exe' and `conftest' are `present' (well, observable)+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will+# work properly (i.e., refer to `conftest.exe'), while it won't with+# `rm'.+for ac_file in conftest.exe conftest conftest.*; do+  test -f "$ac_file" || continue+  case $ac_file in+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;+    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`+	  break;;+    * ) break;;+  esac+done+else $as_nop+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+as_fn_error $? "cannot compute suffix of executables: cannot compile and link+See \`config.log' for more details" "$LINENO" 5; }+fi+rm -f conftest conftest$ac_cv_exeext+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5+printf "%s\n" "$ac_cv_exeext" >&6; }++rm -f conftest.$ac_ext+EXEEXT=$ac_cv_exeext+ac_exeext=$EXEEXT+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+#include <stdio.h>+int+main (void)+{+FILE *f = fopen ("conftest.out", "w");+ return ferror (f) || fclose (f) != 0;++  ;+  return 0;+}+_ACEOF+ac_clean_files="$ac_clean_files conftest.out"+# Check that the compiler produces executables we can run.  If not, either+# the compiler is broken, or we cross compile.+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5+printf %s "checking whether we are cross compiling... " >&6; }+if test "$cross_compiling" != yes; then+  { { ac_try="$ac_link"+case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf "%s\n" "$ac_try_echo"; } >&5+  (eval "$ac_link") 2>&5+  ac_status=$?+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+  test $ac_status = 0; }+  if { ac_try='./conftest$ac_cv_exeext'+  { { case "(($ac_try" in+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+  *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf "%s\n" "$ac_try_echo"; } >&5+  (eval "$ac_try") 2>&5+  ac_status=$?+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+  test $ac_status = 0; }; }; then+    cross_compiling=no+  else+    if test "$cross_compiling" = maybe; then+	cross_compiling=yes+    else+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+as_fn_error 77 "cannot run C compiled programs.+If you meant to cross compile, use \`--host'.+See \`config.log' for more details" "$LINENO" 5; }+    fi+  fi+fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5+printf "%s\n" "$cross_compiling" >&6; }++rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out+ac_clean_files=$ac_clean_files_save+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5+printf %s "checking for suffix of object files... " >&6; }+if test ${ac_cv_objext+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{++  ;+  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=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf "%s\n" "$ac_try_echo"; } >&5+  (eval "$ac_compile") 2>&5+  ac_status=$?+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+  test $ac_status = 0; }+then :+  for ac_file in conftest.o conftest.obj conftest.*; do+  test -f "$ac_file" || continue;+  case $ac_file in+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;+    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`+       break;;+  esac+done+else $as_nop+  printf "%s\n" "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+as_fn_error $? "cannot compute suffix of object files: cannot compile+See \`config.log' for more details" "$LINENO" 5; }+fi+rm -f conftest.$ac_cv_objext conftest.$ac_ext+fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5+printf "%s\n" "$ac_cv_objext" >&6; }+OBJEXT=$ac_cv_objext+ac_objext=$OBJEXT+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5+printf %s "checking whether the compiler supports GNU C... " >&6; }+if test ${ac_cv_c_compiler_gnu+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{+#ifndef __GNUC__+       choke me+#endif++  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  ac_compiler_gnu=yes+else $as_nop+  ac_compiler_gnu=no+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+ac_cv_c_compiler_gnu=$ac_compiler_gnu++fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5+printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }+ac_compiler_gnu=$ac_cv_c_compiler_gnu++if test $ac_compiler_gnu = yes; then+  GCC=yes+else+  GCC=+fi+ac_test_CFLAGS=${CFLAGS+y}+ac_save_CFLAGS=$CFLAGS+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5+printf %s "checking whether $CC accepts -g... " >&6; }+if test ${ac_cv_prog_cc_g+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  ac_save_c_werror_flag=$ac_c_werror_flag+   ac_c_werror_flag=yes+   ac_cv_prog_cc_g=no+   CFLAGS="-g"+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{++  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  ac_cv_prog_cc_g=yes+else $as_nop+  CFLAGS=""+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{++  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :++else $as_nop+  ac_c_werror_flag=$ac_save_c_werror_flag+	 CFLAGS="-g"+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{++  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  ac_cv_prog_cc_g=yes+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+   ac_c_werror_flag=$ac_save_c_werror_flag+fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5+printf "%s\n" "$ac_cv_prog_cc_g" >&6; }+if test $ac_test_CFLAGS; then+  CFLAGS=$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 "$GCC" = yes; then+    CFLAGS="-O2"+  else+    CFLAGS=+  fi+fi+ac_prog_cc_stdc=no+if test x$ac_prog_cc_stdc = xno+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5+printf %s "checking for $CC option to enable C11 features... " >&6; }+if test ${ac_cv_prog_cc_c11+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  ac_cv_prog_cc_c11=no+ac_save_CC=$CC+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+$ac_c_conftest_c11_program+_ACEOF+for ac_arg in '' -std=gnu11+do+  CC="$ac_save_CC $ac_arg"+  if ac_fn_c_try_compile "$LINENO"+then :+  ac_cv_prog_cc_c11=$ac_arg+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam+  test "x$ac_cv_prog_cc_c11" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC+fi++if test "x$ac_cv_prog_cc_c11" = xno+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5+printf "%s\n" "unsupported" >&6; }+else $as_nop+  if test "x$ac_cv_prog_cc_c11" = x+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5+printf "%s\n" "none needed" >&6; }+else $as_nop+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5+printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }+     CC="$CC $ac_cv_prog_cc_c11"+fi+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11+  ac_prog_cc_stdc=c11+fi+fi+if test x$ac_prog_cc_stdc = xno+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5+printf %s "checking for $CC option to enable C99 features... " >&6; }+if test ${ac_cv_prog_cc_c99+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  ac_cv_prog_cc_c99=no+ac_save_CC=$CC+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+$ac_c_conftest_c99_program+_ACEOF+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=+do+  CC="$ac_save_CC $ac_arg"+  if ac_fn_c_try_compile "$LINENO"+then :+  ac_cv_prog_cc_c99=$ac_arg+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam+  test "x$ac_cv_prog_cc_c99" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC+fi++if test "x$ac_cv_prog_cc_c99" = xno+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5+printf "%s\n" "unsupported" >&6; }+else $as_nop+  if test "x$ac_cv_prog_cc_c99" = x+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5+printf "%s\n" "none needed" >&6; }+else $as_nop+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5+printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }+     CC="$CC $ac_cv_prog_cc_c99"+fi+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99+  ac_prog_cc_stdc=c99+fi+fi+if test x$ac_prog_cc_stdc = xno+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5+printf %s "checking for $CC option to enable C89 features... " >&6; }+if test ${ac_cv_prog_cc_c89+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  ac_cv_prog_cc_c89=no+ac_save_CC=$CC+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+$ac_c_conftest_c89_program+_ACEOF+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"+do+  CC="$ac_save_CC $ac_arg"+  if ac_fn_c_try_compile "$LINENO"+then :+  ac_cv_prog_cc_c89=$ac_arg+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam+  test "x$ac_cv_prog_cc_c89" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC+fi++if test "x$ac_cv_prog_cc_c89" = xno+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5+printf "%s\n" "unsupported" >&6; }+else $as_nop+  if test "x$ac_cv_prog_cc_c89" = x+then :+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5+printf "%s\n" "none needed" >&6; }+else $as_nop+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5+printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }+     CC="$CC $ac_cv_prog_cc_c89"+fi+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89+  ac_prog_cc_stdc=c89+fi+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++++{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5+printf %s "checking for an ANSI C-conforming const... " >&6; }+if test ${ac_cv_c_const+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{++#ifndef __cplusplus+  /* Ultrix mips cc rejects this sort of thing.  */+  typedef int charset[2];+  const charset cs = { 0, 0 };+  /* SunOS 4.1.1 cc rejects this.  */+  char const *const *pcpcc;+  char **ppc;+  /* NEC SVR4.0.2 mips cc rejects this.  */+  struct point {int x, y;};+  static struct point const zero = {0,0};+  /* IBM XL C 1.02.0.0 rejects this.+     It does not let you subtract one const X* pointer from another in+     an arm of an if-expression whose if-part is not a constant+     expression */+  const char *g = "string";+  pcpcc = &g + (g ? g-g : 0);+  /* HPUX 7.0 cc rejects these. */+  ++pcpcc;+  ppc = (char**) pcpcc;+  pcpcc = (char const *const *) ppc;+  { /* SCO 3.2v4 cc rejects this sort of thing.  */+    char tx;+    char *t = &tx;+    char const *s = 0 ? (char *) 0 : (char const *) 0;++    *t++ = 0;+    if (s) return 0;+  }+  { /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */+    int x[] = {25, 17};+    const int *foo = &x[0];+    ++foo;+  }+  { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */+    typedef const int *iptr;+    iptr p = 0;+    ++p;+  }+  { /* IBM XL C 1.02.0.0 rejects this sort of thing, saying+       "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */+    struct s { int j; const int *ap[3]; } bx;+    struct s *b = &bx; b->j = 5;+  }+  { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */+    const int foo = 10;+    if (!foo) return 0;+  }+  return !cs[0] && !zero.x;+#endif++  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  ac_cv_c_const=yes+else $as_nop+  ac_cv_c_const=no+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5+printf "%s\n" "$ac_cv_c_const" >&6; }+if test $ac_cv_c_const = no; then++printf "%s\n" "#define const /**/" >>confdefs.h++fi+++ac_header= ac_cache=+for ac_item in $ac_header_c_list+do+  if test $ac_cache; then+    ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"+    if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then+      printf "%s\n" "#define $ac_item 1" >> confdefs.h+    fi+    ac_header= ac_cache=+  elif test $ac_header; then+    ac_cache=$ac_item+  else+    ac_header=$ac_item+  fi+done+++++++++if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes+then :++printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "limits.h" "ac_cv_header_limits_h" "$ac_includes_default"+if test "x$ac_cv_header_limits_h" = xyes+then :+  printf "%s\n" "#define HAVE_LIMITS_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"+if test "x$ac_cv_header_stdlib_h" = xyes+then :+  printf "%s\n" "#define HAVE_STDLIB_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"+if test "x$ac_cv_header_unistd_h" = xyes+then :+  printf "%s\n" "#define HAVE_UNISTD_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "sys/types.h" "ac_cv_header_sys_types_h" "$ac_includes_default"+if test "x$ac_cv_header_sys_types_h" = xyes+then :+  printf "%s\n" "#define HAVE_SYS_TYPES_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "fcntl.h" "ac_cv_header_fcntl_h" "$ac_includes_default"+if test "x$ac_cv_header_fcntl_h" = xyes+then :+  printf "%s\n" "#define HAVE_FCNTL_H 1" >>confdefs.h++fi++ac_fn_c_check_header_compile "$LINENO" "sys/uio.h" "ac_cv_header_sys_uio_h" "$ac_includes_default"+if test "x$ac_cv_header_sys_uio_h" = xyes+then :+  printf "%s\n" "#define HAVE_SYS_UIO_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "sys/socket.h" "ac_cv_header_sys_socket_h" "$ac_includes_default"+if test "x$ac_cv_header_sys_socket_h" = xyes+then :+  printf "%s\n" "#define HAVE_SYS_SOCKET_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "netinet/in.h" "ac_cv_header_netinet_in_h" "$ac_includes_default"+if test "x$ac_cv_header_netinet_in_h" = xyes+then :+  printf "%s\n" "#define HAVE_NETINET_IN_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "netinet/tcp.h" "ac_cv_header_netinet_tcp_h" "$ac_includes_default"+if test "x$ac_cv_header_netinet_tcp_h" = xyes+then :+  printf "%s\n" "#define HAVE_NETINET_TCP_H 1" >>confdefs.h++fi++ac_fn_c_check_header_compile "$LINENO" "sys/un.h" "ac_cv_header_sys_un_h" "$ac_includes_default"+if test "x$ac_cv_header_sys_un_h" = xyes+then :+  printf "%s\n" "#define HAVE_SYS_UN_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"+if test "x$ac_cv_header_arpa_inet_h" = xyes+then :+  printf "%s\n" "#define HAVE_ARPA_INET_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "netdb.h" "ac_cv_header_netdb_h" "$ac_includes_default"+if test "x$ac_cv_header_netdb_h" = xyes+then :+  printf "%s\n" "#define HAVE_NETDB_H 1" >>confdefs.h++fi++ac_fn_c_check_header_compile "$LINENO" "net/if.h" "ac_cv_header_net_if_h" "$ac_includes_default"+if test "x$ac_cv_header_net_if_h" = xyes+then :+  printf "%s\n" "#define HAVE_NET_IF_H 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "netioapi.h" "ac_cv_header_netioapi_h" "$ac_includes_default"+if test "x$ac_cv_header_netioapi_h" = xyes+then :+  printf "%s\n" "#define HAVE_NETIOAPI_H 1" >>confdefs.h++fi+++ac_fn_c_check_type "$LINENO" "struct ucred" "ac_cv_type_struct_ucred" "$ac_includes_default"+if test "x$ac_cv_type_struct_ucred" = xyes+then :++printf "%s\n" "#define HAVE_STRUCT_UCRED 1" >>confdefs.h+++fi+++ac_fn_c_check_func "$LINENO" "gai_strerror" "ac_cv_func_gai_strerror"+if test "x$ac_cv_func_gai_strerror" = xyes+then :+  printf "%s\n" "#define HAVE_GAI_STRERROR 1" >>confdefs.h++fi+ac_fn_c_check_func "$LINENO" "gethostent" "ac_cv_func_gethostent"+if test "x$ac_cv_func_gethostent" = xyes+then :+  printf "%s\n" "#define HAVE_GETHOSTENT 1" >>confdefs.h++fi+ac_fn_c_check_func "$LINENO" "accept4" "ac_cv_func_accept4"+if test "x$ac_cv_func_accept4" = xyes+then :+  printf "%s\n" "#define HAVE_ACCEPT4 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "getpeereid" "ac_cv_func_getpeereid"+if test "x$ac_cv_func_getpeereid" = xyes+then :+  printf "%s\n" "#define HAVE_GETPEEREID 1" >>confdefs.h++fi+++{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5+printf %s "checking for $CC options needed to detect all undeclared functions... " >&6; }+if test ${ac_cv_c_undeclared_builtin_options+y}+then :+  printf %s "(cached) " >&6+else $as_nop+  ac_save_CFLAGS=$CFLAGS+   ac_cv_c_undeclared_builtin_options='cannot detect'+   for ac_arg in '' -fno-builtin; do+     CFLAGS="$ac_save_CFLAGS $ac_arg"+     # This test program should *not* compile successfully.+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */++int+main (void)+{+(void) strchr;+  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :++else $as_nop+  # This test program should compile successfully.+        # No library function is consistently available on+        # freestanding implementations, so test against a dummy+        # declaration.  Include always-available headers on the+        # off chance that they somehow elicit warnings.+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h.  */+#include <float.h>+#include <limits.h>+#include <stdarg.h>+#include <stddef.h>+extern void ac_decl (int, char *);++int+main (void)+{+(void) ac_decl (0, (char *) 0);+  (void) ac_decl;++  ;+  return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+  if test x"$ac_arg" = x+then :+  ac_cv_c_undeclared_builtin_options='none needed'+else $as_nop+  ac_cv_c_undeclared_builtin_options=$ac_arg+fi+          break+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+    done+    CFLAGS=$ac_save_CFLAGS++fi+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_undeclared_builtin_options" >&5+printf "%s\n" "$ac_cv_c_undeclared_builtin_options" >&6; }+  case $ac_cv_c_undeclared_builtin_options in #(+  'cannot detect') :+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}+as_fn_error $? "cannot make $CC report undeclared builtins+See \`config.log' for more details" "$LINENO" 5; } ;; #(+  'none needed') :+    ac_c_undeclared_builtin_options='' ;; #(+  *) :+    ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;;+esac++ac_fn_check_decl "$LINENO" "AI_ADDRCONFIG" "ac_cv_have_decl_AI_ADDRCONFIG" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_AI_ADDRCONFIG" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_AI_ADDRCONFIG $ac_have_decl" >>confdefs.h+ac_fn_check_decl "$LINENO" "AI_ALL" "ac_cv_have_decl_AI_ALL" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_AI_ALL" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_AI_ALL $ac_have_decl" >>confdefs.h+ac_fn_check_decl "$LINENO" "AI_NUMERICSERV" "ac_cv_have_decl_AI_NUMERICSERV" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_AI_NUMERICSERV" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_AI_NUMERICSERV $ac_have_decl" >>confdefs.h+ac_fn_check_decl "$LINENO" "AI_V4MAPPED" "ac_cv_have_decl_AI_V4MAPPED" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_AI_V4MAPPED" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_AI_V4MAPPED $ac_have_decl" >>confdefs.h++ac_fn_check_decl "$LINENO" "IPV6_V6ONLY" "ac_cv_have_decl_IPV6_V6ONLY" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_IPV6_V6ONLY" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_IPV6_V6ONLY $ac_have_decl" >>confdefs.h++ac_fn_check_decl "$LINENO" "IPPROTO_IP" "ac_cv_have_decl_IPPROTO_IP" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_IPPROTO_IP" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_IPPROTO_IP $ac_have_decl" >>confdefs.h+ac_fn_check_decl "$LINENO" "IPPROTO_TCP" "ac_cv_have_decl_IPPROTO_TCP" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_IPPROTO_TCP" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_IPPROTO_TCP $ac_have_decl" >>confdefs.h+ac_fn_check_decl "$LINENO" "IPPROTO_IPV6" "ac_cv_have_decl_IPPROTO_IPV6" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_IPPROTO_IPV6" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_IPPROTO_IPV6 $ac_have_decl" >>confdefs.h++ac_fn_check_decl "$LINENO" "SO_PEERCRED" "ac_cv_have_decl_SO_PEERCRED" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"+if test "x$ac_cv_have_decl_SO_PEERCRED" = xyes+then :+  ac_have_decl=1+else $as_nop+  ac_have_decl=0+fi+printf "%s\n" "#define HAVE_DECL_SO_PEERCRED $ac_have_decl" >>confdefs.h+++ac_fn_c_check_member "$LINENO" "struct msghdr" "msg_control" "ac_cv_member_struct_msghdr_msg_control" "$ac_includes_default"+if test "x$ac_cv_member_struct_msghdr_msg_control" = xyes+then :++printf "%s\n" "#define HAVE_STRUCT_MSGHDR_MSG_CONTROL 1" >>confdefs.h+++fi+ac_fn_c_check_member "$LINENO" "struct msghdr" "msg_accrights" "ac_cv_member_struct_msghdr_msg_accrights" "$ac_includes_default"+if test "x$ac_cv_member_struct_msghdr_msg_accrights" = xyes+then :++printf "%s\n" "#define HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS 1" >>confdefs.h+++fi++ac_fn_c_check_member "$LINENO" "struct sockaddr" "sa_len" "ac_cv_member_struct_sockaddr_sa_len" "$ac_includes_default"+if test "x$ac_cv_member_struct_sockaddr_sa_len" = xyes+then :++printf "%s\n" "#define HAVE_STRUCT_SOCKADDR_SA_LEN 1" >>confdefs.h+++fi+++{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating ./network.buildinfo" >&5+printf "%s\n" "$as_me: creating ./network.buildinfo" >&6;}+echo "install-includes: HsNetworkConfig.h" > network.buildinfo++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.  If it contains results you don't+# want to keep, you may remove or edit it.+#+# config.status only pays attention to the cache file if you give it+# the --recheck option to rerun configure.+#+# `ac_cv_env_foo' variables (set or unset) will be overridden when+# loading this file, other *unset* `ac_cv_foo' will be assigned the+# following values.++_ACEOF++# The following way of writing the cache mishandles newlines in values,+# but we know of no workaround that is simple, portable, and efficient.+# So, we kill variables containing newlines.+# Ultrix sh set writes to stderr and can't be redirected directly,+# and sets the high bit in the cache file unless we assign to the vars.+(+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do+    eval ac_val=\$$ac_var+    case $ac_val in #(+    *${as_nl}*)+      case $ac_var in #(+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;+      esac+      case $ac_var in #(+      _ | IFS | as_nl) ;; #(+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(+      *) { eval $ac_var=; unset $ac_var;} ;;+      esac ;;+    esac+  done++  (set) 2>&1 |+    case $as_nl`(ac_space=' '; set) 2>&1` in #(+    *${as_nl}ac_space=\ *)+      # `set' does not quote correctly, so add quotes: double-quote+      # substitution turns \\\\ into \\, and sed turns \\ into \.+      sed -n \+	"s/'/'\\\\''/g;+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"+      ;; #(+    *)+      # `set' quotes correctly as required by POSIX, so do not add quotes.+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"+      ;;+    esac |+    sort+) |+  sed '+     /^ac_cv_env_/b end+     t clear+     :clear+     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/+     t end+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/+     :end' >>confcache+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else+  if test -w "$cache_file"; then+    if test "x$cache_file" != "x/dev/null"; then+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5+printf "%s\n" "$as_me: updating cache $cache_file" >&6;}+      if test ! -f "$cache_file" || test -h "$cache_file"; then+	cat confcache >"$cache_file"+      else+        case $cache_file in #(+        */* | ?:*)+	  mv -f confcache "$cache_file"$$ &&+	  mv -f "$cache_file"$$ "$cache_file" ;; #(+        *)+	  mv -f confcache "$cache_file" ;;+	esac+      fi+    fi+  else+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5+printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}+  fi+fi+rm -f confcache++test "x$prefix" = xNONE && prefix=$ac_default_prefix+# Let make expand exec_prefix.+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'++DEFS=-DHAVE_CONFIG_H++ac_libobjs=+ac_ltlibobjs=+U=+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue+  # 1. Remove the extension, and $U if already installed.+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'+  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR+  #    will be set to the directory where LIBOBJS objects are built.+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'+done+LIBOBJS=$ac_libobjs++LTLIBOBJS=$ac_ltlibobjs++++: "${CONFIG_STATUS=./config.status}"+ac_write_fail=0+ac_clean_files_save=$ac_clean_files+ac_clean_files="$ac_clean_files $CONFIG_STATUS"+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5+printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}+as_write_fail=0+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1+#! $SHELL+# Generated by $as_me.+# Run this file to recreate the current configuration.+# Compiler output produced by configure, useful for debugging+# configure, is in config.log if it exists.++debug=false+ac_cs_recheck=false+ac_cs_silent=false++SHELL=\${CONFIG_SHELL-$SHELL}+export SHELL+_ASEOF+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1+## -------------------- ##+## M4sh Initialization. ##+## -------------------- ##++# Be more Bourne compatible+DUALCASE=1; export DUALCASE # for MKS sh+as_nop=:+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1+then :+  emulate sh+  NULLCMD=:+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which+  # is contrary to our usage.  Disable this feature.+  alias -g '${1+"$@"}'='"$@"'+  setopt NO_GLOB_SUBST+else $as_nop+  case `(set -o) 2>/dev/null` in #(+  *posix*) :+    set -o posix ;; #(+  *) :+     ;;+esac+fi++++# Reset variables that may have inherited troublesome values from+# the environment.++# IFS needs to be set, to space, tab, and newline, in precisely that order.+# (If _AS_PATH_WALK were called with IFS unset, it would have the+# side effect of setting IFS to empty, thus disabling word splitting.)+# Quoting is to prevent editors from complaining about space-tab.+as_nl='+'+export as_nl+IFS=" ""	$as_nl"++PS1='$ '+PS2='> '+PS4='+ '++# Ensure predictable behavior from utilities with locale-dependent output.+LC_ALL=C+export LC_ALL+LANGUAGE=C+export LANGUAGE++# We cannot yet rely on "unset" to work, but we need these variables+# to be unset--not just set to an empty or harmless value--now, to+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct+# also avoids known problems related to "unset" and subshell syntax+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH+do eval test \${$as_var+y} \+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :+done++# Ensure that fds 0, 1, and 2 are open.+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi++# The user is always right.+if ${PATH_SEPARATOR+false} :; then+  PATH_SEPARATOR=:+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||+      PATH_SEPARATOR=';'+  }+fi+++# Find who we are.  Look in the path if we contain no directory separator.+as_myself=+case $0 in #((+  *[\\/]* ) as_myself=$0 ;;+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+  IFS=$as_save_IFS+  case $as_dir in #(((+    '') as_dir=./ ;;+    */) ;;+    *) as_dir=$as_dir/ ;;+  esac+    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+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2+  exit 1+fi++++# as_fn_error STATUS ERROR [LINENO LOG_FD]+# ----------------------------------------+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the+# script with STATUS, using 1 if that was 0.+as_fn_error ()+{+  as_status=$1; test $as_status -eq 0 && as_status=1+  if test "$4"; then+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4+  fi+  printf "%s\n" "$as_me: error: $2" >&2+  as_fn_exit $as_status+} # as_fn_error++++# as_fn_set_status STATUS+# -----------------------+# Set $? to STATUS, without forking.+as_fn_set_status ()+{+  return $1+} # as_fn_set_status++# as_fn_exit STATUS+# -----------------+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.+as_fn_exit ()+{+  set +e+  as_fn_set_status $1+  exit $1+} # as_fn_exit++# as_fn_unset VAR+# ---------------+# Portably unset VAR.+as_fn_unset ()+{+  { eval $1=; unset $1;}+}+as_unset=as_fn_unset++# as_fn_append VAR VALUE+# ----------------------+# Append the text in VALUE to the end of the definition contained in VAR. Take+# advantage of any shell optimizations that allow amortized linear growth over+# repeated appends, instead of the typical quadratic growth present in naive+# implementations.+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null+then :+  eval 'as_fn_append ()+  {+    eval $1+=\$2+  }'+else $as_nop+  as_fn_append ()+  {+    eval $1=\$$1\$2+  }+fi # as_fn_append++# as_fn_arith ARG...+# ------------------+# Perform arithmetic evaluation on the ARGs, and store the result in the+# global $as_val. Take advantage of shells that can avoid forks. The arguments+# must be portable across $(()) and expr.+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null+then :+  eval 'as_fn_arith ()+  {+    as_val=$(( $* ))+  }'+else $as_nop+  as_fn_arith ()+  {+    as_val=`expr "$@" || test $? -eq 1`+  }+fi # as_fn_arith+++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++if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then+  as_dirname=dirname+else+  as_dirname=false+fi++as_me=`$as_basename -- "$0" ||+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \+	 X"$0" : 'X\(//\)$' \| \+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||+printf "%s\n" X/"$0" |+    sed '/^.*\/\([^/][^/]*\)\/*$/{+	    s//\1/+	    q+	  }+	  /^X\/\(\/\/\)$/{+	    s//\1/+	    q+	  }+	  /^X\/\(\/\).*/{+	    s//\1/+	    q+	  }+	  s/.*/./; q'`++# 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+++# Determine whether it's possible to make 'echo' print without a newline.+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed+# for compatibility with existing Makefiles.+ECHO_C= ECHO_N= ECHO_T=+case `echo -n x` in #(((((+-n*)+  case `echo 'xy\c'` in+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.+  xy)  ECHO_C='\c';;+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null+       ECHO_T='	';;+  esac;;+*)+  ECHO_N='-n';;+esac++# For backward compatibility with old third-party macros, we provide+# the shell variables $as_echo and $as_echo_n.  New code should use+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.+as_echo='printf %s\n'+as_echo_n='printf %s'++rm -f conf$$ conf$$.exe conf$$.file+if test -d conf$$.dir; then+  rm -f conf$$.dir/conf$$.file+else+  rm -f conf$$.dir+  mkdir conf$$.dir 2>/dev/null+fi+if (echo >conf$$.file) 2>/dev/null; then+  if ln -s conf$$.file conf$$ 2>/dev/null; then+    as_ln_s='ln -s'+    # ... but there are two gotchas:+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.+    # In both cases, we have to default to `cp -pR'.+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||+      as_ln_s='cp -pR'+  elif ln conf$$.file conf$$ 2>/dev/null; then+    as_ln_s=ln+  else+    as_ln_s='cp -pR'+  fi+else+  as_ln_s='cp -pR'+fi+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file+rmdir conf$$.dir 2>/dev/null+++# as_fn_mkdir_p+# -------------+# Create "$as_dir" as a directory, including parents if necessary.+as_fn_mkdir_p ()+{++  case $as_dir in #(+  -*) as_dir=./$as_dir;;+  esac+  test -d "$as_dir" || eval $as_mkdir_p || {+    as_dirs=+    while :; do+      case $as_dir in #(+      *\'*) as_qdir=`printf "%s\n" "$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 ||+printf "%s\n" 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" || as_fn_error $? "cannot create directory $as_dir"+++} # as_fn_mkdir_p+if mkdir -p . 2>/dev/null; then+  as_mkdir_p='mkdir -p "$as_dir"'+else+  test -d ./-p && rmdir ./-p+  as_mkdir_p=false+fi+++# as_fn_executable_p FILE+# -----------------------+# Test if FILE is an executable regular file.+as_fn_executable_p ()+{+  test -f "$1" && test -x "$1"+} # as_fn_executable_p+as_test_x='test -x'+as_executable_p=as_fn_executable_p++# Sed expression to map a string onto a valid CPP name.+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"++# Sed expression to map a string onto a valid variable name.+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"+++exec 6>&1+## ----------------------------------- ##+## Main body of $CONFIG_STATUS script. ##+## ----------------------------------- ##+_ASEOF+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1++cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1+# Save the log message, to keep $0 and so on meaningful, and to+# report actual input values of CONFIG_FILES etc. instead of their+# values after options handling.+ac_log="+This file was extended by Haskell network package $as_me 3.2.0.0, which was+generated by GNU Autoconf 2.71.  Invocation command line was++  CONFIG_FILES    = $CONFIG_FILES+  CONFIG_HEADERS  = $CONFIG_HEADERS+  CONFIG_LINKS    = $CONFIG_LINKS+  CONFIG_COMMANDS = $CONFIG_COMMANDS+  $ $0 $@++on `(hostname || uname -n) 2>/dev/null | sed 1q`+"++_ACEOF+++case $ac_config_headers in *"+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;+esac+++cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1+# Files that config.status was made for.+config_headers="$ac_config_headers"++_ACEOF++cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1+ac_cs_usage="\+\`$as_me' instantiates files and other configuration actions+from templates according to the current configuration.  Unless the files+and actions are specified as TAGs, all are instantiated by default.++Usage: $0 [OPTION]... [TAG]...++  -h, --help       print this help, then exit+  -V, --version    print version number and configuration settings, then exit+      --config     print configuration, then exit+  -q, --quiet, --silent+                   do not print progress messages+  -d, --debug      don't remove temporary files+      --recheck    update $as_me by reconfiguring in the same conditions+      --header=FILE[:TEMPLATE]+                   instantiate the configuration header FILE++Configuration headers:+$config_headers++Report bugs to <libraries@haskell.org>."++_ACEOF+ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`+ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1+ac_cs_config='$ac_cs_config_escaped'+ac_cs_version="\\+Haskell network package config.status 3.2.0.0+configured by $0, generated by GNU Autoconf 2.71,+  with options \\"\$ac_cs_config\\"++Copyright (C) 2021 Free Software Foundation, Inc.+This config.status script is free software; the Free Software Foundation+gives unlimited permission to copy, distribute and modify it."++ac_pwd='$ac_pwd'+srcdir='$srcdir'+test -n "\$AWK" || AWK=awk+_ACEOF++cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1+# The default lists apply if the user does not specify any file.+ac_need_defaults=:+while test $# != 0+do+  case $1 in+  --*=?*)+    ac_option=`expr "X$1" : 'X\([^=]*\)='`+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`+    ac_shift=:+    ;;+  --*=)+    ac_option=`expr "X$1" : 'X\([^=]*\)='`+    ac_optarg=+    ac_shift=:+    ;;+  *)+    ac_option=$1+    ac_optarg=$2+    ac_shift=shift+    ;;+  esac++  case $ac_option in+  # Handling of the options.+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)+    ac_cs_recheck=: ;;+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )+    printf "%s\n" "$ac_cs_version"; exit ;;+  --config | --confi | --conf | --con | --co | --c )+    printf "%s\n" "$ac_cs_config"; exit ;;+  --debug | --debu | --deb | --de | --d | -d )+    debug=: ;;+  --header | --heade | --head | --hea )+    $ac_shift+    case $ac_optarg in+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;+    esac+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"+    ac_need_defaults=false;;+  --he | --h)+    # Conflict between --help and --header+    as_fn_error $? "ambiguous option: \`$1'+Try \`$0 --help' for more information.";;+  --help | --hel | -h )+    printf "%s\n" "$ac_cs_usage"; exit ;;+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \+  | -silent | --silent | --silen | --sile | --sil | --si | --s)+    ac_cs_silent=: ;;++  # This is an error.+  -*) as_fn_error $? "unrecognized option: \`$1'+Try \`$0 --help' for more information." ;;++  *) as_fn_append ac_config_targets " $1"+     ac_need_defaults=false ;;++  esac+  shift+done++ac_configure_extra_args=++if $ac_cs_silent; then+  exec 6>/dev/null+  ac_configure_extra_args="$ac_configure_extra_args --silent"+fi++_ACEOF+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1+if \$ac_cs_recheck; then+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion+  shift+  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6+  CONFIG_SHELL='$SHELL'+  export CONFIG_SHELL+  exec "\$@"+fi++_ACEOF+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1+exec 5>>config.log+{+  echo+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX+## Running $as_me. ##+_ASBOX+  printf "%s\n" "$ac_log"+} >&5++_ACEOF+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1+_ACEOF++cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1++# Handling of arguments.+for ac_config_target in $ac_config_targets+do+  case $ac_config_target in+    "include/HsNetworkConfig.h") CONFIG_HEADERS="$CONFIG_HEADERS include/HsNetworkConfig.h" ;;++  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;+  esac+done+++# If the user did not use the arguments to specify the items to instantiate,+# then the envvar interface is used.  Set only those that are not.+# We use the long form for the default assignment because of an extremely+# bizarre bug on SunOS 4.1.3.+if $ac_need_defaults; then+  test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers+fi++# Have a temporary directory for convenience.  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= ac_tmp=+  trap 'exit_status=$?+  : "${ac_tmp:=$tmp}"+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status+' 0+  trap 'as_fn_exit 1' 1 2 13 15+}+# Create a (secure) tmp directory for tmp files.++{+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&+  test -d "$tmp"+}  ||+{+  tmp=./conf$$-$RANDOM+  (umask 077 && mkdir "$tmp")+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5+ac_tmp=$tmp++# Set up the scripts for CONFIG_HEADERS section.+# No need to generate them if there are no CONFIG_HEADERS.+# This happens for instance with `./config.status Makefile'.+if test -n "$CONFIG_HEADERS"; then+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||+BEGIN {+_ACEOF++# Transform confdefs.h into an awk script `defines.awk', embedded as+# here-document in config.status, that substitutes the proper values into+# config.h.in to produce config.h.++# Create a delimiter string that does not exist in confdefs.h, to ease+# handling of long lines.+ac_delim='%!_!# '+for ac_last_try in false false :; do+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`+  if test -z "$ac_tt"; then+    break+  elif $ac_last_try; then+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5+  else+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "+  fi+done++# For the awk script, D is an array of macro values keyed by name,+# likewise P contains macro parameters if any.  Preserve backslash+# newline sequences.++ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*+sed -n '+s/.\{148\}/&'"$ac_delim"'/g+t rset+:rset+s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /+t def+d+:def+s/\\$//+t bsnl+s/["\\]/\\&/g+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\+D["\1"]=" \3"/p+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p+d+:bsnl+s/["\\]/\\&/g+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\+D["\1"]=" \3\\\\\\n"\\/p+t cont+s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p+t cont+d+:cont+n+s/.\{148\}/&'"$ac_delim"'/g+t clear+:clear+s/\\$//+t bsnlc+s/["\\]/\\&/g; s/^/"/; s/$/"/p+d+:bsnlc+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p+b cont+' <confdefs.h | sed '+s/'"$ac_delim"'/"\\\+"/g' >>$CONFIG_STATUS || ac_write_fail=1++cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1+  for (key in D) D_is_set[key] = 1+  FS = ""+}+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {+  line = \$ 0+  split(line, arg, " ")+  if (arg[1] == "#") {+    defundef = arg[2]+    mac1 = arg[3]+  } else {+    defundef = substr(arg[1], 2)+    mac1 = arg[2]+  }+  split(mac1, mac2, "(") #)+  macro = mac2[1]+  prefix = substr(line, 1, index(line, defundef) - 1)+  if (D_is_set[macro]) {+    # Preserve the white space surrounding the "#".+    print prefix "define", macro P[macro] D[macro]+    next+  } else {+    # 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.+    if (defundef == "undef") {+      print "/*", prefix defundef, macro, "*/"+      next+    }+  }+}+{ print }+_ACAWK+_ACEOF+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5+fi # test -n "$CONFIG_HEADERS"+++eval set X "    :H $CONFIG_HEADERS    "+shift+for ac_tag+do+  case $ac_tag in+  :[FHLC]) ac_mode=$ac_tag; continue;;+  esac+  case $ac_mode$ac_tag in+  :[FHL]*:*);;+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;+  :[FH]-) ac_tag=-:-;;+  :[FH]*) ac_tag=$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 $ac_f in+      -) ac_f="$ac_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 ||+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;+      esac+      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac+      as_fn_append ac_file_inputs " '$ac_f'"+    done++    # Let's still pretend it is `configure' which instantiates (i.e., don't+    # use $as_me), people would be surprised to read:+    #    /* config.h.  Generated by config.status.  */+    configure_input='Generated from '`+	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'+	`' by configure.'+    if test x"$ac_file" != x-; then+      configure_input="$ac_file.  $configure_input"+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5+printf "%s\n" "$as_me: creating $ac_file" >&6;}+    fi+    # Neutralize special characters interpreted by sed in replacement strings.+    case $configure_input in #(+    *\&* | *\|* | *\\* )+       ac_sed_conf_input=`printf "%s\n" "$configure_input" |+       sed 's/[\\\\&|]/\\\\&/g'`;; #(+    *) ac_sed_conf_input=$configure_input;;+    esac++    case $ac_tag in+    *:-:* | *:-) cat >"$ac_tmp/stdin" \+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;+    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 ||+printf "%s\n" X"$ac_file" |+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{+	    s//\1/+	    q+	  }+	  /^X\(\/\/\)[^/].*/{+	    s//\1/+	    q+	  }+	  /^X\(\/\/\)$/{+	    s//\1/+	    q+	  }+	  /^X\(\/\).*/{+	    s//\1/+	    q+	  }+	  s/.*/./; q'`+  as_dir="$ac_dir"; as_fn_mkdir_p+  ac_builddir=.++case "$ac_dir" in+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;+*)+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`+  # A ".." for each directory in $ac_dir_suffix.+  ac_top_builddir_sub=`printf "%s\n" "$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 $ac_mode in++  :H)+  #+  # CONFIG_HEADER+  #+  if test x"$ac_file" != x-; then+    {+      printf "%s\n" "/* $configure_input  */" >&1 \+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"+    } >"$ac_tmp/config.h" \+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5+printf "%s\n" "$as_me: $ac_file is unchanged" >&6;}+    else+      rm -f "$ac_file"+      mv "$ac_tmp/config.h" "$ac_file" \+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5+    fi+  else+    printf "%s\n" "/* $configure_input  */" >&1 \+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \+      || as_fn_error $? "could not create -" "$LINENO" 5+  fi+ ;;+++  esac++done # for ac_tag+++as_fn_exit 0+_ACEOF+ac_clean_files=$ac_clean_files_save++test $ac_write_fail = 0 ||+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5+++# 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.+  $ac_cs_success || as_fn_exit 1+fi+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5+printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}+fi+