diff --git a/HsReadline_cbits.c b/HsReadline_cbits.c new file mode 100644 --- /dev/null +++ b/HsReadline_cbits.c @@ -0,0 +1,6 @@ +#include "HsReadline.h" + +void hs_rl_message (const char *s) +{ + rl_message ("%s", s); +} diff --git a/LICENSE b/LICENSE new file mode 100644 --- /dev/null +++ b/LICENSE @@ -0,0 +1,340 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Library General +Public License instead of this License. diff --git a/Setup.hs b/Setup.hs new file mode 100644 --- /dev/null +++ b/Setup.hs @@ -0,0 +1,6 @@ +module Main (main) where + +import Distribution.Simple + +main :: IO () +main = defaultMainWithHooks defaultUserHooks diff --git a/System/Console/Readline.hsc b/System/Console/Readline.hsc new file mode 100644 --- /dev/null +++ b/System/Console/Readline.hsc @@ -0,0 +1,1361 @@ +{-# OPTIONS -fglasgow-exts #-} +----------------------------------------------------------------------------- +-- | +-- Module : System.Console.Readline +-- Copyright : (c) unknown +-- License : GPL (depends on libreadline, which is GPL) +-- +-- Maintainer : libraries@haskell.org +-- Stability : provisional +-- Portability : non-portable (requires libreadline) +-- +-- A Haskell binding to the GNU readline library. The GNU Readline +-- library provides a set of functions for use by applications that +-- allow users to edit command lines as they are typed in. By +-- default, the line editing commands are similar to those of +-- emacs. A vi-style line editing interface is also available. +-- +-- An example of a typical use of readline with history functionality +-- is illustrated in the following read, eval, print loop: +-- +-- @ +-- readEvalPrintLoop :: IO () +-- readEvalPrintLoop = do +-- maybeLine <- readline \"% \" +-- case maybeLine of +-- Nothing -> return () -- EOF \/ control-d +-- Just \"exit\" -> return () +-- Just line -> do addHistory line +-- putStrLn $ \"The user input: \" ++ (show line) +-- readEvalPrintLoop +-- @ +-- + +----------------------------------------------------------------------------- + +#include "HsReadline.h" +#include "HsReadlineConfig.h" +module System.Console.Readline ( + -------------------------------------------------------------------- + -- Basic Behavior. + + readline, -- :: String -> IO (Maybe String) + addHistory, -- :: String -> IO () + + -------------------------------------------------------------------- + -- Readline Variables. + + getLineBuffer, -- :: IO String +#if HAVE_READLINE_4 + setLineBuffer, -- :: String -> IO () +#endif + + -- Functions involving point positions are meaningful only when string + -- conversion between Haskell and C preserves the length. + getPoint, -- :: IO Int + setPoint, -- :: Int -> IO () + getEnd, -- :: IO Int + setEnd, -- :: Int -> IO () + getMark, -- :: IO Int + setMark, -- :: Int -> IO () + + setDone, -- :: Bool -> IO () + setPendingInput, -- :: Char -> IO () +#if HAVE_READLINE_4 + setEraseEmptyLine, -- :: Bool -> IO () +#endif + getPrompt, -- :: IO String +#if HAVE_READLINE_4 + setAlreadyPrompted, -- :: Bool -> IO () +#endif + getLibraryVersion, -- :: IO String + getTerminalName, -- :: IO String + setReadlineName, -- :: String -> IO () + getInStream, -- :: IO Handle + getOutStream, -- :: IO Handle + setStartupHook, -- :: Maybe (IO ()) -> IO () +#if HAVE_READLINE_4 + setPreInputHook, -- :: Maybe (IO ()) -> IO () +#endif + setEventHook, -- :: Maybe (IO ()) -> IO () + -- rl_getc_function wrapper is not provided because it uses FILE * + -- and it would be too expensive to convert FILE * to Handle + -- for each character. + setRedisplayFunction, -- :: Maybe (IO ()) -> IO () + -- Nothing means the original: rl_redisplay. + + -------------------------------------------------------------------- + -- Selecting a Keymap. + + -- Keymaps are not garbage collected. They must be explicitly freed + -- using freeKeymap. + + Keymap, -- data Keymap + newBareKeymap, -- :: IO Keymap + copyKeymap, -- :: Keymap -> IO Keymap + newKeymap, -- :: IO Keymap + freeKeymap, -- :: Keymap -> IO () + getKeymap, -- :: IO Keymap + setKeymap, -- :: Keymap -> IO () + getKeymapByName, -- :: String -> IO Keymap + getKeymapName, -- :: Keymap -> IO (Maybe String) + getExecutingKeymap, -- :: IO Keymap + getBindingKeymap, -- :: IO Keymap + + -------------------------------------------------------------------- + -- Binding Keys. + + Callback, -- type Callback = Int -> Char -> IO Int + addDefun, -- :: String -> Callback -> Maybe Char -> IO () + bindKey, -- :: Char -> Callback -> IO () + bindKeyInMap, -- :: Char -> Callback -> Keymap -> IO () + unbindKey, -- :: Char -> IO () + unbindKeyInMap, -- :: Char -> Keymap -> IO () + -- rl_unbind_function_in_map is not provided because Haskell functions + -- have no identity. + unbindCommandInMap, -- :: String -> Keymap -> IO () + Entry(..), -- data Entry + -- = Function Callback + -- | Macro String + -- | Keymap Keymap + genericBind, -- :: String -> Entry -> Keymap -> IO () + parseAndBind, -- :: String -> IO () + readInitFile, -- :: String -> IO () + + -------------------------------------------------------------------- + -- Associating Function Names and Bindings. + + namedFunction, -- :: String -> IO (Maybe Callback) + functionOfKeyseq, -- :: String -> Maybe Keymap -> IO Entry + -- rl_invoking_keyseqs and rl_invoking_keyseqs_in_map are not provided + -- because Haskell functions have no identity. + functionDumper, -- :: Bool -> IO () + listFunmapNames, -- :: IO () +#if HAVE_READLINE_4 + funmapNames, -- :: IO [String] +#endif + + -------------------------------------------------------------------- + -- Allowing Undoing. + + beginUndoGroup, endUndoGroup, -- :: IO () + UndoCode(..), -- data UndoCode + -- = UndoDelete + -- | UndoInsert + -- | UndoBegin + -- | UndoEnd + addUndo, -- :: UndoCode -> Int -> Int -> String -> IO () + freeUndoList, -- :: IO () + doUndo, -- :: IO Bool + modifying, -- :: Int -> Int -> IO () + + -------------------------------------------------------------------- + -- Redisplay. + + redisplay, -- :: IO () + forcedUpdateDisplay, -- :: IO () + onNewLine, -- :: IO () +#if HAVE_READLINE_4 + onNewLineWithPrompt, -- :: IO () +#endif + resetLineState, -- :: IO () + message, -- :: String -> IO () + clearMessage, -- :: IO () +#if HAVE_READLINE_4 + savePrompt, -- :: IO () + restorePrompt, -- :: IO () +#endif + + -------------------------------------------------------------------- + -- Modifying Text. + + insertText, -- :: String -> IO () + deleteText, -- :: Int -> Int -> IO () + copyText, -- :: Int -> Int -> IO String + killText, -- :: Int -> Int -> IO () + + -------------------------------------------------------------------- + -- Utility functions. + + readKey, -- :: IO Char + stuffChar, -- :: Char -> IO Bool + initialize, -- :: IO () + resetTerminal, -- :: Maybe String -> IO () + ding, -- :: IO Bool +#if HAVE_READLINE_4 + displayMatchList, -- :: [String] -> IO () +#endif + + -------------------------------------------------------------------- + -- Alternate Interface. + + callbackHandlerInstall, -- :: String -> (String -> IO ()) -> IO (IO ()) + -- Returns the cleanup action. + callbackReadChar, -- :: IO () + + -------------------------------------------------------------------- + -- Readline Signal Handling. + +#if HAVE_READLINE_4 + setCatchSignals, -- :: Bool -> IO () + getCatchSignals, -- :: IO Bool + setCatchSigwinch, -- :: Bool -> IO () + getCatchSigwinch, -- :: IO Bool + cleanupAfterSignal, -- :: IO () + freeLineState, -- :: IO () + resetAfterSignal, -- :: IO () + resizeTerminal, -- :: IO () +#endif + setSignals, -- :: IO () + clearSignals, -- :: IO () + + -------------------------------------------------------------------- + -- Completion functions. + + completeInternal, -- :: Char -> IO () + complete, -- :: Int -> Char -> IO Int + possibleCompletions, -- :: Int -> Char -> IO Int + insertCompletions, -- :: Int -> Char -> IO Int + -- readline uses functions that are called multiple times and + -- return an entry at a time, maintaining their state at which + -- point they are. This is silly in a functional language so here + -- we work with functions String -> IO [String]. + completionMatches, + -- :: String -> (String -> IO [String]) -> IO (Maybe (String, [String])) + filenameCompletionFunction, -- :: String -> IO [String] + usernameCompletionFunction, -- :: String -> IO [String] + setCompletionEntryFunction, + -- :: Maybe (String -> IO [String]) -> IO () + setAttemptedCompletionFunction, + -- :: Maybe (String -> Int -> Int -> IO (Maybe (String, [String]))) -> IO () + setFilenameQuotingFunction, + -- :: Maybe (String -> Bool -> Ptr CChar -> IO String) -> IO () + quoteFilename, + -- :: String -> Bool -> Ptr CChar -> IO String + setFilenameDequotingFunction, + -- :: Maybe (String -> Maybe Char -> IO String) -> IO () + setCharIsQuotedP, + -- :: Maybe (String -> Int -> IO Bool) -> IO () + getCompletionQueryItems, -- :: IO Int + setCompletionQueryItems, -- :: Int -> IO () + getBasicWordBreakCharacters, -- :: IO String + setBasicWordBreakCharacters, -- :: String -> IO () + getBasicQuoteCharacters, -- :: IO String + setBasicQuoteCharacters, -- :: String -> IO () + getCompleterWordBreakCharacters, -- :: IO String + setCompleterWordBreakCharacters, -- :: String -> IO () + getCompleterQuoteCharacters, -- :: IO String + setCompleterQuoteCharacters, -- :: String -> IO () + getFilenameQuoteCharacters, -- :: IO String + setFilenameQuoteCharacters, -- :: String -> IO () + getSpecialPrefixes, -- :: IO String + setSpecialPrefixes, -- :: String -> IO () + getCompletionAppendCharacter, -- :: IO (Maybe Char) + setCompletionAppendCharacter, -- :: Maybe Char -> IO () + setIgnoreCompletionDuplicates, -- :: Bool -> IO () + getIgnoreCompletionDuplicates, -- :: IO Bool + setFilenameCompletionDesired, -- :: Bool -> IO () + getFilenameCompletionDesired, -- :: IO Bool + setFilenameQuotingDesired, -- :: Bool -> IO () + getFilenameQuotingDesired, -- :: IO Bool + setInhibitCompletion, -- :: Bool -> IO () + getInhibitCompletion, -- :: IO Bool + setAttemptedCompletionOver, -- :: Bool -> IO () + getAttemptedCompletionOver, -- :: IO Bool + setIgnoreSomeCompletionsFunction, + -- :: Maybe ([String] -> IO [String]) -> IO () + -- The function may not make the list longer! + setDirectoryCompletionHook + -- :: Maybe (String -> IO String) -> IO () +#if HAVE_READLINE_5 + , + setCompletionWordBreakHook + -- :: Maybe (IO (Maybe String)) -> IO () +#endif +#if HAVE_READLINE_4 + , + setCompletionDisplayMatchesHook + -- :: Maybe ([String] -> IO ()) -> IO () +#endif + ) + + where + +------------------------------------------------------------------------ + +import Control.Monad ( liftM, when, unless ) +import Data.Char ( chr, ord ) +import Data.Maybe ( fromMaybe ) +import System.IO ( Handle ) +import System.IO.Unsafe ( unsafePerformIO ) +import Data.IORef ( newIORef, readIORef, writeIORef ) +import Foreign.Ptr ( Ptr, nullPtr, castPtr, castFunPtrToPtr, + FunPtr, nullFunPtr, freeHaskellFunPtr ) +import Foreign.Storable ( Storable(..) ) +import Foreign.Marshal.Utils ( maybePeek, maybeWith, withMany ) +import Foreign.Marshal.Alloc ( alloca, free ) +import Foreign.Marshal.Array ( mallocArray, peekArray0, pokeArray0, withArray0 ) +import Foreign.C.Types ( CInt, CChar, CFile ) +import Foreign.C.String ( newCString, peekCString, withCString, + castCharToCChar, castCCharToChar ) +import GHC.Handle ( fdToHandle ) + +{-# CFILES HsReadline_cbits.c #-} + +------------------------------------------------------------------------ +-- Basic Behavior. + +-- | readline is similar to 'System.IO.getLine', but with rich edit +-- functionality and history capability. readline will read a line +-- from the terminal and return it, using /prompt/ as a prompt. If +-- prompt is the empty string, no prompt is issued. The line returned +-- has the final newline removed, so only the text of the line +-- remains. A blank line returns the empty string. If EOF is +-- encountered while reading a line, and the line is empty, Nothing is +-- returned. If an EOF is read with a non-empty line, it is treated +-- as a newline. + +readline :: String-- ^prompt + -> IO (Maybe String) -- ^returns the line the user input, or Nothing if EOF is encountered. +readline prompt = do + ptr <- withCString prompt readlineC + flip maybePeek ptr $ \ptr' -> do + line <- peekCString ptr' + free ptr' + return line +foreign import ccall "readline" readlineC :: Ptr CChar -> IO (Ptr CChar) + + +-- |Add this command to the history. This allows users to search backward +-- through history with C-r and step through with up and down arrows, among +-- other things. +addHistory :: String -> IO () +addHistory line = withCString line add_history +foreign import ccall unsafe add_history :: Ptr CChar -> IO () + +------------------------------------------------------------------------ +-- Readline Variables. + +getLineBuffer :: IO String +getLineBuffer = peek rl_line_buffer >>= peekCString + +#if HAVE_READLINE_4 +setLineBuffer :: String -> IO () +setLineBuffer line = do + -- TODO: Fix the next line when text conversions are available! + let lineC = map castCharToCChar line + rl_extend_line_buffer (fromIntegral (length lineC)) + ptr <- peek rl_line_buffer + pokeArray0 0 (castPtr ptr) lineC +#endif + +foreign import ccall "&" + rl_line_buffer :: Ptr (Ptr CChar) +#if HAVE_READLINE_4 +-- The readline docs claim that rl_extend_line_buffer returns CInt, +-- but the header and source both say that it returns void. +foreign import ccall unsafe rl_extend_line_buffer :: CInt -> IO () +#endif + +-- Functions involving point positions are meaningful only when string +-- conversion between Haskell and C preserves the length. + +getPoint :: IO Int +getPoint = liftM fromIntegral (peek rl_point) + +setPoint :: Int -> IO () +setPoint p = poke rl_point (fromIntegral p) + +foreign import ccall "&" rl_point :: Ptr CInt + +getEnd :: IO Int +getEnd = liftM fromIntegral (peek rl_end) + +setEnd :: Int -> IO () +setEnd p = poke rl_end (fromIntegral p) + +foreign import ccall "&" rl_end :: Ptr CInt + +getMark :: IO Int +getMark = liftM fromIntegral (peek rl_mark) + +setMark :: Int -> IO () +setMark p = poke rl_mark (fromIntegral p) + +foreign import ccall "&" rl_mark :: Ptr CInt + +setDone :: Bool -> IO () +setDone done = poke rl_done (if done then 1 else 0) +foreign import ccall "&" rl_done :: Ptr CInt + +setPendingInput :: Char -> IO () +setPendingInput key = poke rl_pending_input (fromIntegral (ord key)) +foreign import ccall "&" rl_pending_input :: Ptr CInt + +#if HAVE_READLINE_4 +setEraseEmptyLine :: Bool -> IO () +setEraseEmptyLine erase = poke rl_erase_empty_line (if erase then 1 else 0) +foreign import ccall "&" rl_erase_empty_line :: Ptr CInt +#endif + +getPrompt :: IO String +getPrompt = peek rl_prompt >>= peekCString +foreign import ccall "&" rl_prompt :: Ptr (Ptr CChar) + +#if HAVE_READLINE_4 +setAlreadyPrompted :: Bool -> IO () +setAlreadyPrompted pr = poke rl_already_prompted (if pr then 1 else 0) +foreign import ccall "&" rl_already_prompted :: Ptr CInt +#endif + +getLibraryVersion :: IO String +getLibraryVersion = peek rl_library_version >>= peekCString +foreign import ccall "&" rl_library_version :: Ptr (Ptr CChar) + +getTerminalName :: IO String +getTerminalName = peek rl_terminal_name >>= peekCString +foreign import ccall "&" rl_terminal_name :: Ptr (Ptr CChar) + +setReadlineName :: String -> IO () +setReadlineName name = newCString name >>= poke rl_readline_name + -- The memory for name will never be freed. Otherwise we would + -- have to recognize the original value which is a static string + -- literal. This function is usually called only once anyway. +foreign import ccall "&" rl_readline_name :: Ptr (Ptr CChar) + +getInStream :: IO Handle +getInStream = peek rl_instream >>= hs_fileno >>= fdToHandle . fromIntegral +foreign import ccall "&" rl_instream :: Ptr (Ptr CFile) + +getOutStream :: IO Handle +getOutStream = peek rl_outstream >>= hs_fileno >>= fdToHandle . fromIntegral +foreign import ccall "&" rl_outstream :: Ptr (Ptr CFile) + +foreign import ccall unsafe "__hscore_hs_fileno" + hs_fileno :: Ptr CFile -> IO CInt + +setStartupHook :: Maybe (IO ()) -> IO () +setStartupHook hook = setFunPtr rl_startup_hook hook exportHookInt +foreign import ccall "&" rl_startup_hook :: Ptr (FunPtr (IO CInt)) + +#if HAVE_READLINE_4 +setPreInputHook :: Maybe (IO ()) -> IO () +setPreInputHook hook = setFunPtr rl_pre_input_hook hook exportHookInt +foreign import ccall "&" rl_pre_input_hook :: Ptr (FunPtr (IO CInt)) +#endif + +setEventHook :: Maybe (IO ()) -> IO () +setEventHook hook = setFunPtr rl_event_hook hook exportHookInt +foreign import ccall "&" rl_event_hook :: Ptr (FunPtr (IO CInt)) + +-- rl_getc_function wrapper is not provided because it uses FILE * +-- and it would be too expensive to convert FILE * to Handle +-- for each character. + +setRedisplayFunction :: Maybe (IO ()) -> IO () +-- Nothing means the original: rl_redisplay. +setRedisplayFunction fun = do + oldPtr <- peek rl_redisplay_function + when (oldPtr /= nullFunPtr && oldPtr /= rl_redisplay) $ + freeHaskellFunPtr oldPtr + newPtr <- case fun of + Nothing -> return rl_redisplay + Just f -> exportHookVoid f + poke rl_redisplay_function newPtr +foreign import ccall "&" rl_redisplay_function :: Ptr (FunPtr (IO ())) +foreign import ccall "&" rl_redisplay :: FunPtr (IO ()) +-- rl_redisplay_function can never be NULL. + +exportHookInt :: IO () -> IO (FunPtr (IO CInt)) +exportHookInt hook = exportHookIntC (hook >> return 0) +foreign import ccall "wrapper" + exportHookIntC :: IO CInt -> IO (FunPtr (IO CInt)) + +foreign import ccall "wrapper" + exportHookVoid :: IO () -> IO (FunPtr (IO ())) + +setFunPtr_freeIf :: (FunPtr a -> Bool) + -> Ptr (FunPtr a) + -> Maybe b + -> (b -> IO (FunPtr a)) + -> IO () +setFunPtr_freeIf pred variable newFun makeNewFun = do + oldPtr <- peek variable + when (pred oldPtr) $ freeHaskellFunPtr oldPtr + newPtr <- case newFun of + Nothing -> return nullFunPtr + Just f -> makeNewFun f + poke variable newPtr + +setFunPtr :: Ptr (FunPtr a) + -> Maybe b + -> (b -> IO (FunPtr a)) + -> IO () +setFunPtr = setFunPtr_freeIf (/= nullFunPtr) + +------------------------------------------------------------------------ +-- Selecting a Keymap. + +-- Keymaps are not garbage collected. They must be explicitly freed +-- using freeKeymap. + +data KeymapTag = KeymapTag +newtype Keymap = MkKeymap (Ptr KeymapTag) + +foreign import ccall unsafe "rl_make_bare_keymap" newBareKeymap :: IO Keymap + +foreign import ccall unsafe "rl_copy_keymap" copyKeymap :: Keymap -> IO Keymap + +foreign import ccall unsafe "rl_make_keymap" newKeymap :: IO Keymap + +freeKeymap :: Keymap -> IO () +freeKeymap k@(MkKeymap km) = do + rl_discard_keymap k + free km + +foreign import ccall unsafe "rl_discard_keymap" + rl_discard_keymap :: Keymap -> IO () + +foreign import ccall unsafe "rl_get_keymap" + getKeymap :: IO Keymap + +foreign import ccall unsafe "rl_set_keymap" + setKeymap :: Keymap -> IO () + +getKeymapByName :: String -> IO Keymap +getKeymapByName name = withCString name rl_get_keymap_by_name +foreign import ccall unsafe + rl_get_keymap_by_name :: Ptr CChar -> IO Keymap + +getKeymapName :: Keymap -> IO (Maybe String) +getKeymapName km = do + ptr <- rl_get_keymap_name km + maybePeek peekCString ptr + +foreign import ccall unsafe "rl_get_keymap_name" + rl_get_keymap_name :: Keymap -> IO (Ptr CChar) + +getExecutingKeymap :: IO Keymap +getExecutingKeymap = liftM MkKeymap $ peek rl_executing_keymap +foreign import ccall "&" rl_executing_keymap :: Ptr (Ptr KeymapTag) + +getBindingKeymap :: IO Keymap +getBindingKeymap = liftM MkKeymap $ peek rl_binding_keymap +foreign import ccall "&" rl_binding_keymap :: Ptr (Ptr KeymapTag) + +------------------------------------------------------------------------ +-- Binding Keys. + +type Callback = Int -> Char -> IO Int +type CallbackC = CInt -> CInt -> IO CInt + +addDefun :: String -> Callback -> Maybe Char -> IO () +addDefun name cb key = do + namePtr <- newCString name + -- rl_add_defun does *not* make a copy of the function name. + cbPtr <- exportCallback cb + -- The memory will never be freed. But readline does not provide + -- removing defuns anyway. + rl_add_defun namePtr cbPtr (maybe (-1) (fromIntegral . ord) key) + return () +foreign import ccall unsafe "rl_add_defun" + rl_add_defun :: Ptr CChar -> FunPtr CallbackC -> CInt -> IO CInt + +bindKey :: Char -> Callback -> IO () +bindKey key cb = do + cbPtr <- exportCallback cb + -- The memory will never be freed. We should provide a way to + -- free it, but it's complicated because of multiple keymaps. + -- It should probably be done explicitly. + rl_bind_key (fromIntegral (ord key)) cbPtr + return () +foreign import ccall unsafe "rl_bind_key" + rl_bind_key :: CInt -> FunPtr CallbackC -> IO CInt + +bindKeyInMap :: Char -> Callback -> Keymap -> IO () +bindKeyInMap key cb km = do + cbPtr <- exportCallback cb + rl_bind_key_in_map (fromIntegral (ord key)) cbPtr km + return () +foreign import ccall unsafe "rl_bind_key_in_map" + rl_bind_key_in_map :: CInt -> FunPtr CallbackC -> Keymap -> IO CInt + +unbindKey :: Char -> IO () +unbindKey key = do + rl_unbind_key (fromIntegral (ord key)) + return () +foreign import ccall unsafe rl_unbind_key :: CInt -> IO CInt + +unbindKeyInMap :: Char -> Keymap -> IO () +unbindKeyInMap key km = do + rl_unbind_key_in_map (fromIntegral (ord key)) km + return () +foreign import ccall unsafe "rl_unbind_key_in_map" + rl_unbind_key_in_map :: CInt -> Keymap -> IO CInt + +-- rl_unbind_function_in_map is not provided because Haskell functions +-- have no identity. + +unbindCommandInMap :: String -> Keymap -> IO () +unbindCommandInMap comm km = do + withCString comm $ \commPtr -> rl_unbind_command_in_map commPtr km + return () +foreign import ccall unsafe "rl_unbind_command_in_map" + rl_unbind_command_in_map :: Ptr CChar -> Keymap -> IO CInt + +data Entry + = Function Callback + | Macro String + | Keymap Keymap + +genericBind :: String -> Entry -> Keymap -> IO () +genericBind keys (Function cb) km = do + cbPtr <- exportCallback cb + genericBind' (#const ISFUNC) keys (castFunPtrToPtr cbPtr) km +genericBind keys (Macro s) km = + withCString s $ \ptr -> genericBind' (#const ISMACR) keys ptr km +genericBind keys (Keymap (MkKeymap km')) km = + genericBind' (#const ISKMAP) keys (castPtr km') km + +genericBind' :: CInt -> String -> Ptr CChar -> Keymap -> IO () +genericBind' typ keys dat km = do + withCString keys $ \keysPtr -> rl_generic_bind typ keysPtr dat km + return () +foreign import ccall unsafe "rl_generic_bind" + rl_generic_bind :: CInt -> Ptr CChar -> Ptr CChar -> Keymap -> IO CInt + +parseAndBind :: String -> IO () +parseAndBind s = do + ok <- withCString s rl_parse_and_bind + unless (ok == 0) $ ioError (userError "Parse error") +foreign import ccall unsafe "rl_parse_and_bind" + rl_parse_and_bind :: Ptr CChar -> IO CInt + +readInitFile :: String -> IO () +readInitFile name = do + ok <- withCString name rl_read_init_file + unless (ok == 0) $ ioError (userError "Can't read file") +foreign import ccall unsafe "rl_read_init_file" + rl_read_init_file :: Ptr CChar -> IO CInt + +------------------------------------------------------------------------ +-- Associating Function Names and Bindings. + +namedFunction :: String -> IO (Maybe Callback) +namedFunction name = do + ptr <- withCString name rl_named_function + return $ if ptr == nullFunPtr then Nothing else Just (importCallback ptr) +foreign import ccall unsafe "rl_named_function" + rl_named_function :: Ptr CChar -> IO (FunPtr CallbackC) + +functionOfKeyseq :: String -> Maybe Keymap -> IO Entry +functionOfKeyseq keys km = + withCString keys $ \keysPtr -> alloca $ \typPtr -> do + dat <- rl_function_of_keyseq keysPtr (fromMaybe (MkKeymap nullPtr) km) typPtr + typ <- peek typPtr + case typ of + (#const ISFUNC) -> + return (Function (importCallback dat)) + (#const ISMACR) -> + liftM Macro (peekCString (castFunPtrToPtr dat)) + (#const ISKMAP) -> + return (Keymap (MkKeymap (castFunPtrToPtr dat))) + _ -> error "functionOfKeyseq: unknown type" +foreign import ccall unsafe "rl_function_of_keyseq" + rl_function_of_keyseq :: Ptr CChar -> Keymap -> Ptr CInt -> IO (FunPtr CallbackC) + +-- rl_invoking_keyseqs and rl_invoking_keyseqs_in_map are not provided +-- because Haskell functions have no identity. + +functionDumper :: Bool -> IO () +functionDumper readable = rl_function_dumper (if readable then 1 else 0) +foreign import ccall unsafe "rl_function_dumper" + rl_function_dumper :: CInt -> IO () + +foreign import ccall unsafe "rl_list_funmap_names" listFunmapNames :: IO () + +#if HAVE_READLINE_4 +funmapNames :: IO [String] +funmapNames = do + namesPtr <- rl_funmap_names + namePtrs <- peekArray0 nullPtr namesPtr + free namesPtr + mapM peekCString namePtrs +foreign import ccall unsafe "rl_funmap_names" + rl_funmap_names :: IO (Ptr (Ptr CChar)) +#endif + +exportCallback :: Callback -> IO (FunPtr CallbackC) +exportCallback cb = + exportCallbackC $ \n key -> + liftM fromIntegral (cb (fromIntegral n) (chr (fromIntegral key))) +foreign import ccall "wrapper" + exportCallbackC :: CallbackC -> IO (FunPtr CallbackC) + +importCallback :: FunPtr CallbackC -> Callback +importCallback ptr n key = + liftM fromIntegral $ + importCallbackC ptr (fromIntegral n) (fromIntegral (ord key)) +foreign import ccall "dynamic" + importCallbackC :: FunPtr CallbackC -> CallbackC + +------------------------------------------------------------------------ +-- Allowing Undoing. + +beginUndoGroup :: IO () +beginUndoGroup = do rl_begin_undo_group; return () +foreign import ccall unsafe "rl_begin_undo_group" + rl_begin_undo_group :: IO CInt + +endUndoGroup :: IO () +endUndoGroup = do rl_end_undo_group; return () +foreign import ccall unsafe "rl_end_undo_group" + rl_end_undo_group :: IO CInt + +data UndoCode = UndoDelete | UndoInsert | UndoBegin | UndoEnd + +addUndo :: UndoCode -> Int -> Int -> String -> IO () +addUndo uc start end text = + withCString text $ \textPtr -> + rl_add_undo uc' (fromIntegral start) (fromIntegral end) textPtr + where + uc' = case uc of + UndoDelete -> #const UNDO_DELETE + UndoInsert -> #const UNDO_INSERT + UndoBegin -> #const UNDO_BEGIN + UndoEnd -> #const UNDO_END +foreign import ccall unsafe + rl_add_undo :: CInt -> CInt -> CInt -> Ptr CChar -> IO () + +#if HAVE_READLINE_4_2 +foreign import ccall unsafe "rl_free_undo_list" freeUndoList :: IO () +#else +foreign import ccall unsafe "free_undo_list" freeUndoList :: IO () +#endif + +doUndo :: IO Bool +doUndo = liftM (/= 0) rl_do_undo +foreign import ccall unsafe "rl_do_undo" + rl_do_undo :: IO CInt + +modifying :: Int -> Int -> IO () +modifying start end = do + rl_modifying (fromIntegral start) (fromIntegral end) + return () +foreign import ccall unsafe "rl_modifying" + rl_modifying :: CInt -> CInt -> IO CInt + +------------------------------------------------------------------------ +-- Redisplay. + +foreign import ccall unsafe "rl_redisplay" redisplay :: IO () + +forcedUpdateDisplay :: IO () +forcedUpdateDisplay = do rl_forced_update_display; return () +foreign import ccall unsafe "rl_forced_update_display" + rl_forced_update_display :: IO CInt + +onNewLine :: IO () +onNewLine = do rl_on_new_line; return () +foreign import ccall unsafe "rl_on_new_line" + rl_on_new_line :: IO CInt + +#if HAVE_READLINE_4 +onNewLineWithPrompt :: IO () +onNewLineWithPrompt = do rl_on_new_line_with_prompt; return () +foreign import ccall unsafe "rl_on_new_line_with_prompt" + rl_on_new_line_with_prompt :: IO CInt +#endif + +resetLineState :: IO () +resetLineState = do rl_reset_line_state; return () +foreign import ccall unsafe "rl_reset_line_state" + rl_reset_line_state :: IO CInt + +message :: String -> IO () +message s = withCString s hs_rl_message +foreign import ccall unsafe "hs_rl_message" + hs_rl_message :: Ptr CChar -> IO () + +clearMessage :: IO () +clearMessage = do rl_clear_message; return () +foreign import ccall unsafe "rl_clear_message" + rl_clear_message :: IO CInt + +#if HAVE_READLINE_4 +foreign import ccall unsafe "rl_save_prompt" savePrompt :: IO () + +foreign import ccall unsafe "rl_restore_prompt" restorePrompt :: IO () +#endif + +------------------------------------------------------------------------ +-- Modifying Text. + +insertText :: String -> IO () +insertText s = do withCString s rl_insert_text; return () +foreign import ccall unsafe "rl_insert_text" + rl_insert_text :: Ptr CChar -> IO CInt + +deleteText :: Int -> Int -> IO () +deleteText start end = do + rl_delete_text (fromIntegral start) (fromIntegral end) + return () +foreign import ccall unsafe "rl_delete_text" + rl_delete_text :: CInt -> CInt -> IO CInt + +copyText :: Int -> Int -> IO String +copyText start end = do + ptr <- rl_copy_text (fromIntegral start) (fromIntegral end) + text <- peekCString ptr + free ptr + return text +foreign import ccall unsafe "rl_copy_text" + rl_copy_text :: CInt -> CInt -> IO (Ptr CChar) + +killText :: Int -> Int -> IO () +killText start end = do + rl_kill_text (fromIntegral start) (fromIntegral end) + return () +foreign import ccall unsafe "rl_kill_text" + rl_kill_text :: CInt -> CInt -> IO CInt + +------------------------------------------------------------------------ +-- Utility functions. + +readKey :: IO Char +readKey = liftM (chr . fromIntegral) rl_read_key +foreign import ccall unsafe "rl_read_key" + rl_read_key :: IO CInt + +stuffChar :: Char -> IO Bool +stuffChar key = liftM (/= 0) (rl_stuff_char (fromIntegral (ord key))) +foreign import ccall unsafe "rl_stuff_char" + rl_stuff_char :: CInt -> IO CInt + +initialize :: IO () +initialize = do rl_initialize; return () +foreign import ccall unsafe "rl_initialize" + rl_initialize :: IO CInt + +resetTerminal :: Maybe String -> IO () +resetTerminal name = do + maybeWith withCString name rl_reset_terminal + return () +foreign import ccall unsafe "rl_reset_terminal" + rl_reset_terminal :: Ptr CChar -> IO CInt + +ding :: IO Bool +ding = liftM (== 0) rl_ding +#if HAVE_READLINE_4_2 +foreign import ccall unsafe "rl_ding" rl_ding :: IO CInt +#else +foreign import ccall unsafe "ding" rl_ding :: IO CInt +#endif + +#if HAVE_READLINE_4 +displayMatchList :: [String] -> IO () +displayMatchList matches = + withMany withCString matches $ \matchPtrs -> + withArray0 nullPtr (nullPtr:matchPtrs) $ \matchesPtr -> + rl_display_match_list + matchesPtr + (fromIntegral (length matches)) + (fromIntegral (maximum (map length matches))) +foreign import ccall unsafe "rl_display_match_list" + rl_display_match_list :: Ptr (Ptr CChar) -> CInt -> CInt -> IO () +#endif + +------------------------------------------------------------------------ +-- Alternate Interface. + +type Handler = Ptr CChar -> IO () + +callbackHandlerInstall :: String -> (String -> IO ()) -> IO (IO ()) +callbackHandlerInstall prompt lhandler = do + lhandlerPtr <- exportHandler $ \linePtr -> peekCString linePtr >>= lhandler + withCString prompt $ \promptPtr -> do + rl_callback_handler_install promptPtr lhandlerPtr + return (do rl_callback_handler_remove; freeHaskellFunPtr lhandlerPtr) +foreign import ccall "wrapper" + exportHandler :: Handler -> IO (FunPtr Handler) +foreign import ccall unsafe "rl_callback_handler_install" + rl_callback_handler_install :: Ptr CChar -> FunPtr Handler -> IO () +foreign import ccall unsafe "rl_callback_handler_remove" + rl_callback_handler_remove :: IO () + +foreign import ccall "rl_callback_read_char" + callbackReadChar :: IO () + +------------------------------------------------------------------------ +-- Readline Signal Handling. + +#if HAVE_READLINE_4 +setCatchSignals :: Bool -> IO () +setCatchSignals cat = poke rl_catch_signals (if cat then 1 else 0) + +getCatchSignals :: IO Bool +getCatchSignals = liftM (/= 0) (peek rl_catch_signals) + +foreign import ccall "&" rl_catch_signals :: Ptr CInt + +setCatchSigwinch :: Bool -> IO () +setCatchSigwinch cat = poke rl_catch_sigwinch (if cat then 1 else 0) + +getCatchSigwinch :: IO Bool +getCatchSigwinch = liftM (/= 0) (peek rl_catch_sigwinch) + +foreign import ccall "&" rl_catch_sigwinch :: Ptr CInt + +foreign import ccall unsafe "rl_cleanup_after_signal" cleanupAfterSignal :: IO () + +foreign import ccall unsafe "rl_free_line_state" freeLineState :: IO () + +foreign import ccall unsafe "rl_reset_after_signal" resetAfterSignal :: IO () + +foreign import ccall unsafe "rl_resize_terminal" resizeTerminal :: IO () +#endif + +setSignals :: IO () +setSignals = do rl_set_signals; return () +foreign import ccall unsafe "rl_set_signals" + rl_set_signals :: IO CInt + +clearSignals :: IO () +clearSignals = do rl_clear_signals; return () +foreign import ccall unsafe "rl_clear_signals" + rl_clear_signals :: IO CInt + +------------------------------------------------------------------------ +-- Completion functions. + +completeInternal :: Char -> IO () +completeInternal what = do + rl_complete_internal (fromIntegral (ord what)) + return () +foreign import ccall "rl_complete_internal" + rl_complete_internal :: CInt -> IO CInt + +complete :: Int -> Char -> IO Int +complete n key = + liftM fromIntegral $ + rl_complete (fromIntegral n) (fromIntegral (ord key)) +foreign import ccall "rl_complete" + rl_complete :: CInt -> CInt -> IO CInt + +possibleCompletions :: Int -> Char -> IO Int +possibleCompletions n key = + liftM fromIntegral $ + rl_possible_completions (fromIntegral n) (fromIntegral (ord key)) +foreign import ccall "rl_possible_completions" + rl_possible_completions :: CInt -> CInt -> IO CInt + +insertCompletions :: Int -> Char -> IO Int +insertCompletions n key = + liftM fromIntegral $ + rl_insert_completions (fromIntegral n) (fromIntegral (ord key)) +foreign import ccall "rl_insert_completions" + rl_insert_completions :: CInt -> CInt -> IO CInt + +type Generator = Ptr CChar -> CInt -> IO (Ptr CChar) + +singleToWhole :: Generator -> String -> IO [String] +singleToWhole f text = + withCString text $ \textPtr -> let + loop n = do + ptr <- f textPtr n + if ptr == nullPtr + then return [] + else do + str <- peekCString ptr + free ptr + rest <- loop (n+1) + return (str:rest) + in loop 0 + +wholeToSingle :: (String -> IO [String]) -> IO Generator +wholeToSingle f = do + ref <- newIORef [] + return $ \textPtr state -> do + when (state == 0) $ peekCString textPtr >>= f >>= writeIORef ref + next <- readIORef ref + case next of + [] -> return nullPtr + x:xs -> do + writeIORef ref xs + newCString x + +completionMatches + :: String -> (String -> IO [String]) -> IO (Maybe (String, [String])) +completionMatches text entry = + withCString text $ \textPtr -> do + entryPtr <- wholeToSingle entry >>= exportGenerator + matchesPtr <- rl_completion_matches textPtr entryPtr + freeHaskellFunPtr entryPtr + if matchesPtr == nullPtr then return Nothing else do + matchPtrs <- peekArray0 nullPtr matchesPtr + (text':matches) <- mapM peekCString matchPtrs + mapM_ free matchPtrs + free matchesPtr + return (Just (text', matches)) +#if HAVE_READLINE_4_2 +foreign import ccall "rl_completion_matches" + rl_completion_matches :: Ptr CChar -> FunPtr Generator -> IO (Ptr (Ptr CChar)) +#else +foreign import ccall "completion_matches" + rl_completion_matches :: Ptr CChar -> FunPtr Generator -> IO (Ptr (Ptr CChar)) +#endif + +filenameCompletionFunction :: String -> IO [String] +filenameCompletionFunction = singleToWhole rl_filename_completion_function +#if HAVE_READLINE_4_2 +foreign import ccall unsafe "rl_filename_completion_function" + rl_filename_completion_function :: Generator +#else +foreign import ccall unsafe "filename_completion_function" + rl_filename_completion_function :: Generator +#endif + +usernameCompletionFunction :: String -> IO [String] +usernameCompletionFunction = singleToWhole rl_username_completion_function +#if HAVE_READLINE_4_2 +foreign import ccall unsafe "rl_username_completion_function" + rl_username_completion_function :: Generator +#else +foreign import ccall unsafe "username_completion_function" + rl_username_completion_function :: Generator +#endif + +setCompletionEntryFunction :: Maybe (String -> IO [String]) -> IO () +setCompletionEntryFunction fun = + setFunPtr rl_completion_entry_function fun $ \f -> + wholeToSingle f >>= exportGenerator +foreign import ccall "&" rl_completion_entry_function :: Ptr (FunPtr Generator) + +foreign import ccall "wrapper" + exportGenerator :: Generator -> IO (FunPtr Generator) + +type Completer = Ptr CChar -> CInt -> CInt -> IO (Ptr (Ptr CChar)) + +setAttemptedCompletionFunction + :: Maybe (String -> Int -> Int -> IO (Maybe (String, [String]))) -> IO () +setAttemptedCompletionFunction fun = + setFunPtr rl_attempted_completion_function fun $ \f -> + exportCompleter $ \textPtr start end -> do + text <- peekCString textPtr + found <- f text (fromIntegral start) (fromIntegral end) + case found of + Nothing -> return nullPtr + Just (text', matches) -> do + matchPtrs <- mapM newCString (text':matches) + matchesPtr <- mallocArray (length matchPtrs + 1) + pokeArray0 nullPtr matchesPtr matchPtrs + return matchesPtr + +foreign import ccall "&" rl_attempted_completion_function :: Ptr (FunPtr Completer) +foreign import ccall "wrapper" + exportCompleter :: Completer -> IO (FunPtr Completer) + +#if HAVE_READLINE_5 +type StringFunc = IO (Ptr CChar) + +foreign import ccall "&" rl_completion_word_break_hook + :: Ptr (FunPtr StringFunc) + +foreign import ccall "wrapper" + exportStringFunc :: StringFunc -> IO (FunPtr StringFunc) + +setCompletionWordBreakHook + :: Maybe (IO (Maybe String)) -> IO () +setCompletionWordBreakHook fun = + setFunPtr rl_completion_word_break_hook fun $ \f -> + exportStringFunc $ do + wordBreaks <- f + case wordBreaks of + Nothing -> return nullPtr + Just wordBreaksString -> newCString wordBreaksString + +#endif + +type Quoter = Ptr CChar -> CInt -> Ptr CChar -> IO (Ptr CChar) + +setFilenameQuotingFunction + :: Maybe (String -> Bool -> Ptr CChar -> IO String) -> IO () +setFilenameQuotingFunction fun = + setFunPtr_freeIf + (\oldPtr -> oldPtr /= nullFunPtr && oldPtr /= rl_quote_filename) + rl_filename_quoting_function fun $ \f -> + exportQuoter $ \textPtr typ qp -> do + text <- peekCString textPtr + s <- f text (typ == (#const MULT_MATCH)) qp + newCString s +foreign import ccall "&" rl_filename_quoting_function :: Ptr (FunPtr Quoter) +foreign import ccall "wrapper" + exportQuoter :: Quoter -> IO (FunPtr Quoter) + +-- We must not freeHaskellFunPtr the original value of the +-- rl_filename_quoting_function variable, because it's a native C +-- function. But this value, rl_quote_filename, is a static function, +-- not exported by readline. So we read it from the variable at the +-- beginning and store it in a Haskell's global variable. We also +-- export its Haskell translation to be able to restore its behavior +-- by setFilenameQuotingFunction. + +{-# NOINLINE rl_quote_filename #-} +rl_quote_filename :: FunPtr Quoter +rl_quote_filename = unsafePerformIO $ peek rl_filename_quoting_function + +quoteFilename :: String -> Bool -> Ptr CChar -> IO String +quoteFilename text typ qp = do + ptr <- withCString text $ \textPtr -> + importQuoter rl_quote_filename + textPtr + (if typ then (#const SINGLE_MATCH) else (#const MULT_MATCH)) + qp + s <- peekCString ptr + free ptr + return s +foreign import ccall "dynamic" importQuoter :: FunPtr Quoter -> Quoter + +type Dequoter = Ptr CChar -> CInt -> IO (Ptr CChar) + +setFilenameDequotingFunction :: Maybe (String -> Maybe Char -> IO String) -> IO () +setFilenameDequotingFunction fun = + setFunPtr rl_filename_dequoting_function fun $ \f -> + exportDequoter $ \textPtr qc -> do + text <- peekCString textPtr + s <- f text (if qc==0 then Nothing else Just (chr (fromIntegral qc))) + newCString s + +foreign import ccall "&"rl_filename_dequoting_function :: Ptr (FunPtr Dequoter) + +foreign import ccall "wrapper" + exportDequoter :: Dequoter -> IO (FunPtr Dequoter) + +type IsQuoted = Ptr CChar -> CInt -> IO CInt + +setCharIsQuotedP :: Maybe (String -> Int -> IO Bool) -> IO () +setCharIsQuotedP fun = + setFunPtr rl_char_is_quoted_p fun $ \f -> + exportIsQuoted $ \textPtr index -> do + text <- peekCString textPtr + quoted <- f text (fromIntegral index) + return (if quoted then 1 else 0) +foreign import ccall "&" rl_char_is_quoted_p :: Ptr (FunPtr IsQuoted) + +foreign import ccall "wrapper" + exportIsQuoted :: IsQuoted -> IO (FunPtr IsQuoted) + +getCompletionQueryItems :: IO Int +getCompletionQueryItems = + liftM fromIntegral (peek rl_completion_query_items) + +setCompletionQueryItems :: Int -> IO () +setCompletionQueryItems items = + poke rl_completion_query_items (fromIntegral items) + +foreign import ccall "&" rl_completion_query_items :: Ptr CInt + +getBasicWordBreakCharacters :: IO String +getBasicWordBreakCharacters = getCharacters rl_basic_word_break_characters + +setBasicWordBreakCharacters :: String -> IO () +setBasicWordBreakCharacters = + setCharacters_freeIf + (/= orig_rl_basic_word_break_characters) + rl_basic_word_break_characters + +foreign import ccall "&" rl_basic_word_break_characters :: Ptr (Ptr CChar) + +-- Similarly to rl_quote_filename, we must be able to detect the +-- original pointer to a static char array. + +{-# NOINLINE orig_rl_basic_word_break_characters #-} +orig_rl_basic_word_break_characters :: Ptr CChar +orig_rl_basic_word_break_characters = unsafePerformIO $ + peek rl_basic_word_break_characters + +getBasicQuoteCharacters :: IO String +getBasicQuoteCharacters = getCharacters rl_basic_quote_characters + +setBasicQuoteCharacters :: String -> IO () +setBasicQuoteCharacters = + setCharacters_freeIf + (/= orig_rl_basic_quote_characters) + rl_basic_quote_characters + +foreign import ccall "&" rl_basic_quote_characters :: Ptr (Ptr CChar) + +{-# NOINLINE orig_rl_basic_quote_characters #-} +orig_rl_basic_quote_characters :: Ptr CChar +orig_rl_basic_quote_characters = unsafePerformIO $ + peek rl_basic_quote_characters + +getCompleterWordBreakCharacters :: IO String +getCompleterWordBreakCharacters = getCharacters rl_completer_word_break_characters + +setCompleterWordBreakCharacters :: String -> IO () +setCompleterWordBreakCharacters = + setCharacters_freeIf + (\oldPtr -> oldPtr /= nullPtr && + oldPtr /= orig_rl_basic_word_break_characters) + rl_completer_word_break_characters + +foreign import ccall "&" rl_completer_word_break_characters :: Ptr (Ptr CChar) + +getCompleterQuoteCharacters :: IO String +getCompleterQuoteCharacters = getCharacters rl_completer_quote_characters + +setCompleterQuoteCharacters :: String -> IO () +setCompleterQuoteCharacters cs = do + oldPtr <- peek rl_completer_quote_characters + when (oldPtr /= nullPtr) $ free oldPtr + -- I think that rl_completer_quote_characters should never be empty + -- but can be NULL. + newPtr <- if null cs + then return nullPtr + else do + ptr <- mallocArray (length cs + 1) + pokeArray0 0 ptr (map castCharToCChar cs) + return ptr + poke rl_completer_quote_characters newPtr + +foreign import ccall "&" rl_completer_quote_characters :: Ptr (Ptr CChar) + +getFilenameQuoteCharacters :: IO String +getFilenameQuoteCharacters = getCharacters rl_filename_quote_characters + +setFilenameQuoteCharacters :: String -> IO () +setFilenameQuoteCharacters = setCharacters rl_filename_quote_characters + +foreign import ccall "&" rl_filename_quote_characters :: Ptr (Ptr CChar) + +getSpecialPrefixes :: IO String +getSpecialPrefixes = getCharacters rl_special_prefixes + +setSpecialPrefixes :: String -> IO () +setSpecialPrefixes = setCharacters rl_special_prefixes + +foreign import ccall "&" rl_special_prefixes :: Ptr (Ptr CChar) + +getCompletionAppendCharacter :: IO (Maybe Char) +getCompletionAppendCharacter = do + ch <- peek rl_completion_append_character + return $ if ch == 0 then Nothing else Just (chr (fromIntegral ch)) + +setCompletionAppendCharacter :: Maybe Char -> IO () +setCompletionAppendCharacter ch = + poke rl_completion_append_character (maybe 0 (fromIntegral . ord) ch) + +foreign import ccall "&" rl_completion_append_character :: Ptr CInt + +setIgnoreCompletionDuplicates :: Bool -> IO () +setIgnoreCompletionDuplicates ign = + poke rl_ignore_completion_duplicates (if ign then 1 else 0) + +getIgnoreCompletionDuplicates :: IO Bool +getIgnoreCompletionDuplicates = + liftM (/= 0) (peek rl_ignore_completion_duplicates) + +foreign import ccall "&" rl_ignore_completion_duplicates :: Ptr CInt + +setFilenameCompletionDesired :: Bool -> IO () +setFilenameCompletionDesired comp = + poke rl_filename_completion_desired (if comp then 1 else 0) + +getFilenameCompletionDesired :: IO Bool +getFilenameCompletionDesired = + liftM (/= 0) (peek rl_filename_completion_desired) + +foreign import ccall "&" rl_filename_completion_desired :: Ptr CInt + +setFilenameQuotingDesired :: Bool -> IO () +setFilenameQuotingDesired quot = + poke rl_filename_quoting_desired (if quot then 1 else 0) + +getFilenameQuotingDesired :: IO Bool +getFilenameQuotingDesired = + liftM (/= 0) (peek rl_filename_quoting_desired) + +foreign import ccall "&" rl_filename_quoting_desired :: Ptr CInt + +setInhibitCompletion :: Bool -> IO () +setInhibitCompletion inh = poke rl_inhibit_completion (if inh then 1 else 0) + +getInhibitCompletion :: IO Bool +getInhibitCompletion = liftM (/= 0) (peek rl_inhibit_completion) + +foreign import ccall "&" rl_attempted_completion_over :: Ptr CInt + +getAttemptedCompletionOver :: IO Bool +getAttemptedCompletionOver = + liftM (/=0) (peek rl_attempted_completion_over) + +setAttemptedCompletionOver :: Bool -> IO () +setAttemptedCompletionOver over = + poke rl_attempted_completion_over (if over then 1 else 0) + +foreign import ccall "&" rl_inhibit_completion :: Ptr CInt + +type Ignorer = Ptr (Ptr CChar) -> IO CInt + +setIgnoreSomeCompletionsFunction :: Maybe ([String] -> IO [String]) -> IO () +-- The function may not make the list longer! +setIgnoreSomeCompletionsFunction fun = + setFunPtr rl_ignore_some_completions_function fun $ \f -> + exportIgnorer $ \matchesPtr -> do + matchPtrs <- peekArray0 nullPtr matchesPtr + matches <- mapM peekCString matchPtrs + mapM_ free matchPtrs + f matches >>= mapM newCString >>= pokeArray0 nullPtr matchesPtr + return 0 +foreign import ccall "&" rl_ignore_some_completions_function :: Ptr (FunPtr Ignorer) + +foreign import ccall "wrapper" + exportIgnorer :: Ignorer -> IO (FunPtr Ignorer) + +type DirCompleter = Ptr (Ptr CChar) -> IO CInt + +setDirectoryCompletionHook :: Maybe (String -> IO String) -> IO () +setDirectoryCompletionHook fun = + setFunPtr rl_directory_completion_hook fun $ \f -> + exportDirCompleter $ \dirPtrPtr -> do + oldDirPtr <- peek dirPtrPtr + oldDir <- peekCString oldDirPtr + free oldDirPtr + newDirPtr <- f oldDir >>= newCString + poke dirPtrPtr newDirPtr + return 0 +foreign import ccall "&" rl_directory_completion_hook :: Ptr (FunPtr DirCompleter) +foreign import ccall "wrapper" + exportDirCompleter :: DirCompleter -> IO (FunPtr DirCompleter) + +#if HAVE_READLINE_4 +type Displayer = Ptr (Ptr CChar) -> CInt -> CInt -> IO () + +setCompletionDisplayMatchesHook :: Maybe ([String] -> IO ()) -> IO () +setCompletionDisplayMatchesHook fun = + setFunPtr rl_completion_display_matches_hook fun $ \f -> + exportDisplayHook $ \matchesPtr _ _ -> + peekArray0 nullPtr matchesPtr >>= mapM peekCString >>= f +foreign import ccall "&" rl_completion_display_matches_hook :: Ptr (FunPtr Displayer) +foreign import ccall "wrapper" + exportDisplayHook :: Displayer -> IO (FunPtr Displayer) +#endif + +setCharacters_freeIf :: (Ptr CChar -> Bool) -> Ptr (Ptr CChar) -> String -> IO () +setCharacters_freeIf pred variable chars = do + oldPtr <- peek variable + when (pred oldPtr) $ free oldPtr + newPtr <- mallocArray (length chars + 1) + pokeArray0 0 newPtr (map castCharToCChar chars) + poke variable newPtr + +setCharacters :: Ptr (Ptr CChar) -> String -> IO () +setCharacters = setCharacters_freeIf (/= nullPtr) + +getCharacters :: Ptr (Ptr CChar) -> IO String +getCharacters variable = do + ptr <- peek variable + if ptr == nullPtr then return "" else do + cs <- peekArray0 0 ptr + return (map castCCharToChar cs) diff --git a/System/Console/SimpleLineEditor.hs b/System/Console/SimpleLineEditor.hs new file mode 100644 --- /dev/null +++ b/System/Console/SimpleLineEditor.hs @@ -0,0 +1,246 @@ +{-# OPTIONS_GHC -cpp #-} +----------------------------------------------------------------------------- +-- | +-- Module : System.Console.SimpleLineEditor +-- Copyright : (c) 2000,2003, Malcolm Wallace +-- License : GPL (if it depends on readline, which is GPL) +-- BSD (otherwise) +-- +-- Maintainer : libraries@haskell.org +-- Stability : experimental +-- Portability : non-portable (unix-specific at the moment) +-- +-- A simple line editor, using the GNU readline library if available, +-- or a small emulation otherwise. +-- +----------------------------------------------------------------------------- + +module System.Console.SimpleLineEditor + ( initialise -- :: IO () + , restore -- :: IO () + , getLineEdited -- :: String -> IO (Maybe String) + , delChars -- :: String -> IO () + ) where + +import System.IO (stdin, stdout, BufferMode(..), hSetBuffering) +import Control.Monad (when) +import Data.Char (isSpace) +import Data.Maybe (isJust, fromJust) +#if USE_READLINE +import System.Console.Readline +#else +import Data.IORef (IORef, newIORef, readIORef, writeIORef) +import System.Cmd (system) +import System.IO (hGetChar) +import System.IO.Unsafe (unsafePerformIO) +#endif + +-- | Set up the environment so that the terminal passes characters directly +-- into the Haskell program, for immediate interpretation by the line editor. +initialise :: IO () +initialise = do + hSetBuffering stdout NoBuffering + hSetBuffering stdin NoBuffering +#if USE_READLINE + initialize +#else + -- The following call is probably non-portable. Better suggestions? + -- Note, we turn OFF terminal echoing of input characters + system("stty -icanon min 1 -echo") + return () +#endif + +-- | Restore the environment so that the terminal is usable in normal +-- mode once again. +restore :: IO () +restore = do + hSetBuffering stdout LineBuffering + hSetBuffering stdin LineBuffering +#if ! USE_READLINE + -- The following call is probably non-portable. Better suggestions? + -- We assume the terminal should echo input characters after restoration + system("stty icanon echo") + return () +#endif + +-- | Remove the given string from immediately behind (to the left of) the +-- current cursor position. +delChars :: String -> IO () +delChars [] = return () +delChars (_:xs) = do putStr "\BS \BS" + delChars xs + +-- | 'getLineEdited p' uses the string @p@ as a prompt, and returns a line +-- of input from the user. The user can edit the line in-place before +-- completion, using common readline-like command keys. (The real readline +-- is used when available, or otherwise a simplified emulation.) + +#if USE_READLINE + +getLineEdited :: String -> IO (Maybe String) +getLineEdited prompt = do + ms <- readline prompt + case ms of + Nothing -> return ms + Just s -> when (not (all isSpace s)) (addHistory s) >> return ms + +#else + +-- nasty imperative state holds the command history +history :: IORef [String] +history = unsafePerformIO (newIORef []) + +getLineEdited :: String -> IO (Maybe String) +getLineEdited prompt = do + putStr prompt + previous <- readIORef history + ms <- gl "" 0 ([],previous) + case ms of + Nothing -> return ms + Just s -> do when (not (all isSpace s)) + (writeIORef history (reverse s: previous)) + return ms + where + gl s 0 hist = do -- s is accumulated line (in reverse) + -- 0 is cursor position FROM THE END of the string + cmd <- lineCmd + case cmd of + Char c -> putChar c >> gl (c:s) 0 hist + Accept -> return (Just (reverse s)) + Cancel -> return Nothing + Delete L -> if null s then gl s 0 hist + else delChars "_" >> gl (tail s) 0 hist + Delete Begin -> delChars s >> gl "" 0 hist + Move L -> if not (null s) then putStr ("\BS") >> gl s 1 hist + else gl s 0 hist + History -> case hist of + (_fut, []) -> gl s 0 hist + (fut, p:past) -> do delChars s + putStr (reverse p) + gl p 0 (s:fut, past) + Future -> case hist of + ([], _past) -> gl s 0 hist + (f:fut, past) -> do delChars s + putStr (reverse f) + gl f 0 (fut, s:past) + _ -> gl s 0 hist + + gl s n hist = do -- s is accumulated line, n(/=0) is cursor position + cmd <- lineCmd + case cmd of + Char c -> do putStr (c: reverse (take n s)) + putStr (replicate n '\BS') + gl (take n s ++ c: drop n s) n hist + Accept -> return (Just (reverse s)) + Cancel -> return Nothing + Move R -> do let n1 = n-1 + putStr (reverse (take n s)++" ") + putStr (replicate n '\BS') + gl s n1 hist + Delete R -> do let n1 = n-1 + putStr (reverse (take n1 s) ++ " ") + putStr (replicate (n1+1) '\BS') + gl (take n1 s ++ drop n s) n1 hist + Move L -> do let n1 = n+1 + if n1 <= length s then do + putStr ('\BS':reverse (take n1 s)) + putStr (replicate n1 '\BS') + gl s n1 hist + else do + putStr (reverse s++" ") + putStr (replicate n1 '\BS') + gl s n hist + Delete L -> do let n1 = n+1 + if n1 <= length s then do + putStr ('\BS':reverse (take n s)++" ") + putStr (replicate n1 '\BS') + gl (take n s ++ drop n1 s) n hist + else do + putStr (reverse s++" ") + putStr (replicate n1 '\BS') + gl s n hist + History -> case hist of + (_fut, []) -> gl s n hist + (fut, p:past) -> do putStr (replicate n ' ') + delChars s + putStr (reverse p) + gl p 0 (s:fut, past) + Future -> case hist of + ([], _past) -> gl s n hist + (f:fut, past) -> do putStr (replicate n ' ') + delChars s + putStr (reverse f) + gl f 0 (fut, s:past) + _ -> gl s n hist + + +-- Define a mini-command language, to separate the lexing of input +-- commands from their interpretation. Note there is room for expansion +-- here, e.g. commands include word-at-a-time movement, but we don't +-- currently have a key binding for that. +data LineCmd = Char Char | Move Cursor | Delete Cursor + | Accept | Cancel | History | Future | NoOp +data Cursor = L | R | Begin | End -- not implemented yet: | WordL | WordR + +-- This little lexer for keystrokes does a reasonable job, but there +-- are plenty of problems. E.g. the backspace key might generate a +-- ^H character and not display it, which results in a mismatched cursor +-- position. Behaviour is highly dependent on terminal settings I imagine. +lineCmd :: IO LineCmd +lineCmd = do + c1 <- hGetChar stdin + case c1 of + '\n' -> putChar '\n' >> return Accept + '\^K' -> putChar '\n' >> return Cancel + '\DEL' -> return (Delete L) + '\BS' -> return (Delete L) + '\^L' -> return (Move R) + '\^[' -> do + c2 <- hGetChar stdin + case c2 of + 'k' -> return History + 'j' -> return Future + '[' -> do + c3 <- hGetChar stdin + case c3 of + 'D' -> return (Move L) + 'C' -> return (Move R) + 'A' -> return History + 'B' -> return Future + '3' -> do c <- hGetChar stdin + case c of + '~' -> return (Delete R) + _ -> return NoOp + '4' -> do c <- hGetChar stdin + case c of + '~' -> return (Move End) + _ -> return NoOp + '1' -> do c <- hGetChar stdin + case c of + '~' -> return (Move Begin) + _ -> return NoOp + _ -> return NoOp + 'O' -> do + c3 <- hGetChar stdin + case c3 of + 'D' -> return (Move L) + 'C' -> return (Move R) + 'A' -> return History + 'B' -> return Future + _ -> return NoOp + _ -> return NoOp + _ -> return (Char c1) + +#endif /* USE_READLINE */ + +{- +-- | A simple interactive test for the line-editing functionality. + +-- (This illustrates the necessary use of 'initialise' and 'restore' +-- as brackets around the editing loop.) +testIt :: IO () +testIt = initialise >> loop >> restore + where loop = do l <- getLineEdited "prompt> " + when (isJust l) (putStrLn (fromJust l)) + when (l/=Just "quit") loop +-} diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,28 @@ +# FP_ARG_READLINE +# ------------- +AC_DEFUN([FP_ARG_READLINE], +[AC_ARG_ENABLE([readline], + [AC_HELP_STRING([--enable-readline], + [build a Haskell binding for readline. + (default=autodetect)])], + [enable_readline=$enableval], + [enable_readline=yes]) + +AC_ARG_WITH([readline-includes], + [AC_HELP_STRING([--with-readline-includes], + [directory containing readline/readline.h])], + [readline_includes=$withval], + [readline_includes=NONE]) + +AC_ARG_WITH([readline-libraries], + [AC_HELP_STRING([--with-readline-libraries], + [directory containing readline library])], + [readline_libraries=$withval], + [readline_libraries=NONE]) +])# FP_ARG_READLINE + +AC_DEFUN([CHECK_READLINE], +[AC_REQUIRE([AC_PROG_CPP]) +AC_REQUIRE([AC_PROG_CC]) + +]) diff --git a/config.mk.in b/config.mk.in new file mode 100644 --- /dev/null +++ b/config.mk.in @@ -0,0 +1,9 @@ +READLINE_BUILD_PACKAGE=@READLINE_BUILD_PACKAGE@ +ifneq "$(READLINE_BUILD_PACKAGE)" "no" +READLINE_INCLUDE_DIRS=@READLINE_INCLUDE_DIRS@ +READLINE_LIB_DIRS=@READLINE_LIB_DIRS@ +READLINE_LIBS=@READLINE_LIBS@ +PACKAGE=@PACKAGE_TARNAME@ +VERSION=@PACKAGE_VERSION@ +MAINTAINER=@PACKAGE_BUGREPORT@ +endif diff --git a/configure b/configure new file mode 100644 --- /dev/null +++ b/configure @@ -0,0 +1,4615 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.61 for Haskell readline package 1.0. +# +# Report bugs to . +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in + *posix*) set -o posix ;; +esac + +fi + + + + +# PATH needs CR +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +as_nl=' +' +IFS=" "" $as_nl" + +# Find who we are. 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We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Save into config.log some information that might help in debugging. + { + echo + + cat <<\_ASBOX +## ---------------- ## +## Cache variables. ## +## ---------------- ## +_ASBOX + 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 $ac_var in #( + *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5 +echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + *) $as_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 + + cat <<\_ASBOX +## ----------------- ## +## Output variables. ## +## ----------------- ## +_ASBOX + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + echo "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + cat <<\_ASBOX +## ------------------- ## +## File substitutions. ## +## ------------------- ## +_ASBOX + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + echo "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + cat <<\_ASBOX +## ----------- ## +## confdefs.h. ## +## ----------- ## +_ASBOX + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + echo "$as_me: caught signal $ac_signal" + echo "$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'; { (exit 1); exit 1; }' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +# Predefined preprocessor variables. + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_NAME "$PACKAGE_NAME" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_TARNAME "$PACKAGE_TARNAME" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_VERSION "$PACKAGE_VERSION" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_STRING "$PACKAGE_STRING" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" +_ACEOF + + +# Let the site file select an alternate cache file if it wants to. +# Prefer explicitly selected file to automatically selected ones. +if test -n "$CONFIG_SITE"; then + set x "$CONFIG_SITE" +elif test "x$prefix" != xNONE; then + set x "$prefix/share/config.site" "$prefix/etc/config.site" +else + set x "$ac_default_prefix/share/config.site" \ + "$ac_default_prefix/etc/config.site" +fi +shift +for ac_site_file +do + if test -r "$ac_site_file"; then + { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5 +echo "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special + # files actually), so we avoid doing that. + if test -f "$cache_file"; then + { echo "$as_me:$LINENO: loading cache $cache_file" >&5 +echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { echo "$as_me:$LINENO: creating cache $cache_file" >&5 +echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +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,) + { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5 +echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + { echo "$as_me:$LINENO: former value: $ac_old_val" >&5 +echo "$as_me: former value: $ac_old_val" >&2;} + { echo "$as_me:$LINENO: current value: $ac_new_val" >&5 +echo "$as_me: current value: $ac_new_val" >&2;} + ac_cache_corrupted=: + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) ac_configure_args="$ac_configure_args '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5 +echo "$as_me: error: changes in the environment can compromise the build" >&2;} + { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5 +echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;} + { (exit 1); exit 1; }; } +fi + + + + + + + + + + + + + + + + + + + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + +# Check whether --enable-readline was given. +if test "${enable_readline+set}" = set; then + enableval=$enable_readline; enable_readline=$enableval +else + enable_readline=yes +fi + + + +# Check whether --with-readline-includes was given. +if test "${with_readline_includes+set}" = set; then + withval=$with_readline_includes; readline_includes=$withval +else + readline_includes=NONE +fi + + + +# Check whether --with-readline-libraries was given. +if test "${with_readline_libraries+set}" = set; then + withval=$with_readline_libraries; readline_libraries=$withval +else + readline_libraries=NONE +fi + + + +if test "$enable_readline" = no; then + READLINE_BUILD_PACKAGE=no + BUILD_PACKAGE_BOOL=False +else + +# Safety check: Ensure that we are in the correct source directory. + + +ac_config_headers="$ac_config_headers include/HsReadlineConfig.h" + + +READLINE_INCLUDE_DIRS= +READLINE_LIB_DIRS= +if test "x$readline_libraries" != "xNONE"; then + LDFLAGS="-L$readline_libraries $LDFLAGS" + READLINE_LDFLAGS="-L$readline_libraries $READLINE_LDFLAGS" + READLINE_LIB_DIRS=$readline_libraries +fi +if test "x$readline_includes" != "xNONE"; then + CPPFLAGS="-I$readline_includes $CPPFLAGS" + READLINE_CFLAGS="-I$readline_includes $READLINE_CFLAGS" + READLINE_INCLUDE_DIRS=$readline_includes +fi + + + + +# Check whether --with-cc was given. +if test "${with_cc+set}" = set; then + withval=$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=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + +fi +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=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&5 +echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&5 +echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&5 +echo "$as_me: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + +# Provide some information about the compiler. +echo "$as_me:$LINENO: checking for C compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (ac_try="$ac_compiler --version >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compiler --version >&5") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (ac_try="$ac_compiler -v >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compiler -v >&5") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (ac_try="$ac_compiler -V >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compiler -V >&5") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 +echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; } +ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` +# +# List of possible output files, starting from the most likely. +# The algorithm is not robust to junk in `.', hence go to wildcards (a.*) +# only as a last resort. b.out is created by i960 compilers. +ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out' +# +# The IRIX 6 linker writes into existing files which may not be +# executable, retaining their permissions. Remove them first so a +# subsequent execution test works. +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { (ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi + +{ echo "$as_me:$LINENO: result: $ac_file" >&5 +echo "${ECHO_T}$ac_file" >&6; } +if test -z "$ac_file"; then + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: C compiler cannot create executables +See \`config.log' for more details." >&5 +echo "$as_me: error: C compiler cannot create executables +See \`config.log' for more details." >&2;} + { (exit 77); exit 77; }; } +fi + +ac_exeext=$ac_cv_exeext + +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5 +echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; } +# FIXME: These cross compiler hacks should be removed for Autoconf 3.0 +# If not cross compiling, check that we can run a simple program. +if test "$cross_compiling" != yes; then + if { ac_try='./$ac_file' + { (case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { echo "$as_me:$LINENO: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + fi + fi +fi +{ echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } + +rm -f a.out a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5 +echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; } +{ echo "$as_me:$LINENO: result: $cross_compiling" >&5 +echo "${ECHO_T}$cross_compiling" >&6; } + +{ echo "$as_me:$LINENO: checking for suffix of executables" >&5 +echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; } +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest$ac_cv_exeext +{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5 +echo "${ECHO_T}$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +{ echo "$as_me:$LINENO: checking for suffix of object files" >&5 +echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; } +if test "${ac_cv_objext+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5 +echo "${ECHO_T}$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_compiler_gnu=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; } +GCC=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + CFLAGS="" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5 +echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; } +if test "${ac_cv_prog_cc_c89+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_c89=$ac_arg +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { echo "$as_me:$LINENO: result: none needed" >&5 +echo "${ECHO_T}none needed" >&6; } ;; + xno) + { echo "$as_me:$LINENO: result: unsupported" >&5 +echo "${ECHO_T}unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;; +esac + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Mac OS X only: check for GNUreadline.framework (should be harmless on other systems) +# If it's found, we'll prefer it over linking via "-lreadline". + +if test "x$readline_libraries" = "xNONE" && test "x$readline_includes" = "xNONE" ; then + { echo "$as_me:$LINENO: checking for GNUreadline.framework" >&5 +echo $ECHO_N "checking for GNUreadline.framework... $ECHO_C" >&6; } + save_libs="$LIBS" + LIBS="-framework GNUreadline" + +{ echo "$as_me:$LINENO: checking for readline" >&5 +echo $ECHO_N "checking for readline... $ECHO_C" >&6; } +if test "${ac_cv_func_readline+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define readline to an innocuous variant, in case declares readline. + For example, HP-UX 11i declares gettimeofday. */ +#define readline innocuous_readline + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char readline (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef readline + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char readline (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_readline || defined __stub___readline +choke me +#endif + +int +main () +{ +return readline (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_func_readline=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_func_readline=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_func_readline" >&5 +echo "${ECHO_T}$ac_cv_func_readline" >&6; } +if test $ac_cv_func_readline = yes; then + HaveFrameworkReadline=YES +else + HaveFrameworkReadline=NO +fi + + LIBS="$save_libs" +fi + +if test "x$HaveFrameworkReadline" = xYES ; then + LIBS="-framework GNUreadline $LIBS" + READLINE_FRAMEWORKS="GNUreadline" + +cat >>confdefs.h <<\_ACEOF +#define HAVE_FRAMEWORK_READLINE 1 +_ACEOF + +else + { echo "$as_me:$LINENO: checking for tputs in -lncurses" >&5 +echo $ECHO_N "checking for tputs in -lncurses... $ECHO_C" >&6; } +if test "${ac_cv_lib_ncurses_tputs+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lncurses $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char tputs (); +int +main () +{ +return tputs (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_lib_ncurses_tputs=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_lib_ncurses_tputs=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ echo "$as_me:$LINENO: result: $ac_cv_lib_ncurses_tputs" >&5 +echo "${ECHO_T}$ac_cv_lib_ncurses_tputs" >&6; } +if test $ac_cv_lib_ncurses_tputs = yes; then + HaveLibTermcap=YES; LibTermcap=ncurses +else + { echo "$as_me:$LINENO: checking for tputs in -ltermcap" >&5 +echo $ECHO_N "checking for tputs in -ltermcap... $ECHO_C" >&6; } +if test "${ac_cv_lib_termcap_tputs+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ltermcap $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char tputs (); +int +main () +{ +return tputs (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_lib_termcap_tputs=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_lib_termcap_tputs=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ echo "$as_me:$LINENO: result: $ac_cv_lib_termcap_tputs" >&5 +echo "${ECHO_T}$ac_cv_lib_termcap_tputs" >&6; } +if test $ac_cv_lib_termcap_tputs = yes; then + HaveLibTermcap=YES; LibTermcap=termcap +else + { echo "$as_me:$LINENO: checking for tputs in -lcurses" >&5 +echo $ECHO_N "checking for tputs in -lcurses... $ECHO_C" >&6; } +if test "${ac_cv_lib_curses_tputs+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lcurses $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char tputs (); +int +main () +{ +return tputs (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_lib_curses_tputs=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_lib_curses_tputs=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ echo "$as_me:$LINENO: result: $ac_cv_lib_curses_tputs" >&5 +echo "${ECHO_T}$ac_cv_lib_curses_tputs" >&6; } +if test $ac_cv_lib_curses_tputs = yes; then + HaveLibTermcap=YES; LibTermcap=curses +else + HaveLibTermcap=NO; LibTermcap=not-installed +fi + +fi + +fi + + + if test $HaveLibTermcap = YES ; then + LIBS="-l$LibTermcap $LIBS" + { echo "$as_me:$LINENO: checking for readline in -lreadline" >&5 +echo $ECHO_N "checking for readline in -lreadline... $ECHO_C" >&6; } +if test "${ac_cv_lib_readline_readline+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lreadline $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char readline (); +int +main () +{ +return readline (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_lib_readline_readline=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_lib_readline_readline=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ echo "$as_me:$LINENO: result: $ac_cv_lib_readline_readline" >&5 +echo "${ECHO_T}$ac_cv_lib_readline_readline" >&6; } +if test $ac_cv_lib_readline_readline = yes; then + HaveLibReadline=YES +fi + + READLINE_LIBS="readline $LibTermcap" + LIBS="$LIBS -lreadline" + fi +fi + + +{ echo "$as_me:$LINENO: checking for rl_readline_version" >&5 +echo $ECHO_N "checking for rl_readline_version... $ECHO_C" >&6; } +if test "${ac_cv_func_rl_readline_version+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define rl_readline_version to an innocuous variant, in case declares rl_readline_version. + For example, HP-UX 11i declares gettimeofday. */ +#define rl_readline_version innocuous_rl_readline_version + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char rl_readline_version (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef rl_readline_version + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char rl_readline_version (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_rl_readline_version || defined __stub___rl_readline_version +choke me +#endif + +int +main () +{ +return rl_readline_version (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_func_rl_readline_version=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_func_rl_readline_version=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_func_rl_readline_version" >&5 +echo "${ECHO_T}$ac_cv_func_rl_readline_version" >&6; } +if test $ac_cv_func_rl_readline_version = yes; then + ReadlineIsLibedit=NO +else + ReadlineIsLibedit=YES +fi + +if test "x$ReadlineIsLibedit" = xNO ; then + { echo "$as_me:$LINENO: checking for rl_begin_undo_group" >&5 +echo $ECHO_N "checking for rl_begin_undo_group... $ECHO_C" >&6; } +if test "${ac_cv_func_rl_begin_undo_group+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define rl_begin_undo_group to an innocuous variant, in case declares rl_begin_undo_group. + For example, HP-UX 11i declares gettimeofday. */ +#define rl_begin_undo_group innocuous_rl_begin_undo_group + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char rl_begin_undo_group (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef rl_begin_undo_group + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char rl_begin_undo_group (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_rl_begin_undo_group || defined __stub___rl_begin_undo_group +choke me +#endif + +int +main () +{ +return rl_begin_undo_group (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_func_rl_begin_undo_group=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_func_rl_begin_undo_group=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_func_rl_begin_undo_group" >&5 +echo "${ECHO_T}$ac_cv_func_rl_begin_undo_group" >&6; } +if test $ac_cv_func_rl_begin_undo_group = yes; then + : +else + ReadlineIsLibedit=YES +fi + +fi + +if (test "x$HaveLibReadline" = xYES || test "x$HaveFrameworkReadline" = xYES) && test "x$ReadlineIsLibedit" = xNO ; then + HAVE_READLINE=YES +else + { { echo "$as_me:$LINENO: error: readline not found, so this package cannot be built +See \`config.log' for more details." >&5 +echo "$as_me: error: readline not found, so this package cannot be built +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + HAVE_READLINE=NO +fi + +if test "x$HAVE_READLINE" = xYES ; then + { echo "$as_me:$LINENO: checking for rl_erase_empty_line" >&5 +echo $ECHO_N "checking for rl_erase_empty_line... $ECHO_C" >&6; } +if test "${ac_cv_func_rl_erase_empty_line+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define rl_erase_empty_line to an innocuous variant, in case declares rl_erase_empty_line. + For example, HP-UX 11i declares gettimeofday. */ +#define rl_erase_empty_line innocuous_rl_erase_empty_line + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char rl_erase_empty_line (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef rl_erase_empty_line + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char rl_erase_empty_line (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_rl_erase_empty_line || defined __stub___rl_erase_empty_line +choke me +#endif + +int +main () +{ +return rl_erase_empty_line (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_func_rl_erase_empty_line=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_func_rl_erase_empty_line=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_func_rl_erase_empty_line" >&5 +echo "${ECHO_T}$ac_cv_func_rl_erase_empty_line" >&6; } +if test $ac_cv_func_rl_erase_empty_line = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_4 1 +_ACEOF + +else + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_4 0 +_ACEOF + +fi + + { echo "$as_me:$LINENO: checking for rl_free_undo_list" >&5 +echo $ECHO_N "checking for rl_free_undo_list... $ECHO_C" >&6; } +if test "${ac_cv_func_rl_free_undo_list+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define rl_free_undo_list to an innocuous variant, in case declares rl_free_undo_list. + For example, HP-UX 11i declares gettimeofday. */ +#define rl_free_undo_list innocuous_rl_free_undo_list + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char rl_free_undo_list (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef rl_free_undo_list + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char rl_free_undo_list (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_rl_free_undo_list || defined __stub___rl_free_undo_list +choke me +#endif + +int +main () +{ +return rl_free_undo_list (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_func_rl_free_undo_list=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_func_rl_free_undo_list=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_func_rl_free_undo_list" >&5 +echo "${ECHO_T}$ac_cv_func_rl_free_undo_list" >&6; } +if test $ac_cv_func_rl_free_undo_list = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_4_2 1 +_ACEOF + +else + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_4_2 0 +_ACEOF + +fi + + { echo "$as_me:$LINENO: checking for rl_completion_word_break_hook in -lreadline" >&5 +echo $ECHO_N "checking for rl_completion_word_break_hook in -lreadline... $ECHO_C" >&6; } +if test "${ac_cv_lib_readline_rl_completion_word_break_hook+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lreadline $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char rl_completion_word_break_hook (); +int +main () +{ +return rl_completion_word_break_hook (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_lib_readline_rl_completion_word_break_hook=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_lib_readline_rl_completion_word_break_hook=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ echo "$as_me:$LINENO: result: $ac_cv_lib_readline_rl_completion_word_break_hook" >&5 +echo "${ECHO_T}$ac_cv_lib_readline_rl_completion_word_break_hook" >&6; } +if test $ac_cv_lib_readline_rl_completion_word_break_hook = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_5 1 +_ACEOF + +else + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_5 0 +_ACEOF + +fi + +else + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_4 0 +_ACEOF + + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_4_2 0 +_ACEOF + + +cat >>confdefs.h <<\_ACEOF +#define HAVE_READLINE_5 0 +_ACEOF + +fi + +if test "x$HAVE_READLINE" = xYES; then + READLINE_BUILD_PACKAGE=yes + BUILD_PACKAGE_BOOL=True +else + READLINE_BUILD_PACKAGE=no + BUILD_PACKAGE_BOOL=False +fi + +fi + + + + + + + + +ac_config_files="$ac_config_files config.mk readline.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 $ac_var in #( + *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5 +echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + *) $as_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+set}" = set || &/ + 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 + test "x$cache_file" != "x/dev/null" && + { echo "$as_me:$LINENO: updating cache $cache_file" >&5 +echo "$as_me: updating cache $cache_file" >&6;} + cat confcache >$cache_file + else + { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5 +echo "$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= +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$//' + ac_i=`echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext" + ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + +: ${CONFIG_STATUS=./config.status} +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5 +echo "$as_me: creating $CONFIG_STATUS" >&6;} +cat >$CONFIG_STATUS <<_ACEOF +#! $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} +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in + *posix*) set -o posix ;; +esac + +fi + + + + +# PATH needs CR +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# IFS +# We need space, tab and new line, in precisely that order. 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The first 'sed' inserts a + # line-number line after each line using $LINENO; the second 'sed' + # does the real work. The second script uses 'N' to pair each + # line-number line with the line containing $LINENO, and appends + # trailing '-' during substitution so that $LINENO is not a special + # case at line end. + # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the + # scripts with optimization help from Paolo Bonzini. Blame Lee + # E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2 + { (exit 1); exit 1; }; } + + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . 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Please make sure it is defined." >&5 +echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined." >&2;} + + rm -f "$tmp/stdin" + case $ac_file in + -) cat "$tmp/out"; rm -f "$tmp/out";; + *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;; + esac + ;; + :H) + # + # CONFIG_HEADER + # +_ACEOF + +# Transform confdefs.h into a sed script `conftest.defines', that +# substitutes the proper values into config.h.in to produce config.h. +rm -f conftest.defines conftest.tail +# First, append a space to every undef/define line, to ease matching. +echo 's/$/ /' >conftest.defines +# Then, protect against being on the right side of a sed subst, or in +# an unquoted here document, in config.status. If some macros were +# called several times there might be several #defines for the same +# symbol, which is useless. But do not sort them, since the last +# AC_DEFINE must be honored. +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where +# NAME is the cpp macro being defined, VALUE is the value it is being given. +# PARAMS is the parameter list in the macro definition--in most cases, it's +# just an empty string. +ac_dA='s,^\\([ #]*\\)[^ ]*\\([ ]*' +ac_dB='\\)[ (].*,\\1define\\2' +ac_dC=' ' +ac_dD=' ,' + +uniq confdefs.h | + sed -n ' + t rset + :rset + s/^[ ]*#[ ]*define[ ][ ]*// + t ok + d + :ok + s/[\\&,]/\\&/g + s/^\('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p + s/^\('"$ac_word_re"'\)[ ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p + ' >>conftest.defines + +# Remove the space that was appended to ease matching. +# Then replace #undef with comments. This is necessary, for +# example, in the case of _POSIX_SOURCE, which is predefined and required +# on some systems where configure will not decide to define it. +# (The regexp can be short, since the line contains either #define or #undef.) +echo 's/ $// +s,^[ #]*u.*,/* & */,' >>conftest.defines + +# Break up conftest.defines: +ac_max_sed_lines=50 + +# First sed command is: sed -f defines.sed $ac_file_inputs >"$tmp/out1" +# Second one is: sed -f defines.sed "$tmp/out1" >"$tmp/out2" +# Third one will be: sed -f defines.sed "$tmp/out2" >"$tmp/out1" +# et cetera. +ac_in='$ac_file_inputs' +ac_out='"$tmp/out1"' +ac_nxt='"$tmp/out2"' + +while : +do + # Write a here document: + cat >>$CONFIG_STATUS <<_ACEOF + # First, check the format of the line: + cat >"\$tmp/defines.sed" <<\\CEOF +/^[ ]*#[ ]*undef[ ][ ]*$ac_word_re[ ]*\$/b def +/^[ ]*#[ ]*define[ ][ ]*$ac_word_re[( ]/b def +b +:def +_ACEOF + sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS + echo 'CEOF + sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS + ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in + sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail + grep . conftest.tail >/dev/null || break + rm -f conftest.defines + mv conftest.tail conftest.defines +done +rm -f conftest.defines conftest.tail + +echo "ac_result=$ac_in" >>$CONFIG_STATUS +cat >>$CONFIG_STATUS <<\_ACEOF + if test x"$ac_file" != x-; then + echo "/* $configure_input */" >"$tmp/config.h" + cat "$ac_result" >>"$tmp/config.h" + if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then + { echo "$as_me:$LINENO: $ac_file is unchanged" >&5 +echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f $ac_file + mv "$tmp/config.h" $ac_file + fi + else + echo "/* $configure_input */" + cat "$ac_result" + fi + rm -f "$tmp/out12" + ;; + + + esac + +done # for ac_tag + + +{ (exit 0); exit 0; } +_ACEOF +chmod +x $CONFIG_STATUS +ac_clean_files=$ac_clean_files_save + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || { (exit 1); exit 1; } +fi + diff --git a/configure.ac b/configure.ac new file mode 100644 --- /dev/null +++ b/configure.ac @@ -0,0 +1,118 @@ +AC_INIT([Haskell readline package], [1.0], [libraries@haskell.org], [readline]) + + +FP_ARG_READLINE + +if test "$enable_readline" = no; then + READLINE_BUILD_PACKAGE=no + BUILD_PACKAGE_BOOL=False +else + +# Safety check: Ensure that we are in the correct source directory. +AC_CONFIG_SRCDIR([include/HsReadline.h]) + +AC_CONFIG_HEADERS([include/HsReadlineConfig.h]) + +READLINE_INCLUDE_DIRS= +READLINE_LIB_DIRS= +if test "x$readline_libraries" != "xNONE"; then + LDFLAGS="-L$readline_libraries $LDFLAGS" + READLINE_LDFLAGS="-L$readline_libraries $READLINE_LDFLAGS" + READLINE_LIB_DIRS=$readline_libraries +fi +if test "x$readline_includes" != "xNONE"; then + CPPFLAGS="-I$readline_includes $CPPFLAGS" + READLINE_CFLAGS="-I$readline_includes $READLINE_CFLAGS" + READLINE_INCLUDE_DIRS=$readline_includes +fi +AC_SUBST(READLINE_INCLUDE_DIRS) +AC_SUBST(READLINE_LIB_DIRS) + +AC_ARG_WITH([cc], + [C compiler], + [CC=$withval]) +AC_PROG_CC() + +# Mac OS X only: check for GNUreadline.framework (should be harmless on other systems) +# If it's found, we'll prefer it over linking via "-lreadline". + +if test "x$readline_libraries" = "xNONE" && test "x$readline_includes" = "xNONE" ; then + AC_MSG_CHECKING([for GNUreadline.framework]) + save_libs="$LIBS" + LIBS="-framework GNUreadline" + AC_CHECK_FUNC(readline, HaveFrameworkReadline=YES, HaveFrameworkReadline=NO) + LIBS="$save_libs" +fi + +if test "x$HaveFrameworkReadline" = xYES ; then + LIBS="-framework GNUreadline $LIBS" + READLINE_FRAMEWORKS="GNUreadline" + AC_DEFINE([HAVE_FRAMEWORK_READLINE], [1], [Define to 1 if we're using GNUreadline.framework.]) +else + dnl ** check for readline, for Hugs and hslibs' Readline + dnl ncurses supersedes termcap and curses, but for compatibility, + dnl we have to check for all... + AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses, + AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap, + AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses, + HaveLibTermcap=NO; LibTermcap=not-installed))) + + if test $HaveLibTermcap = YES ; then + LIBS="-l$LibTermcap $LIBS" + AC_CHECK_LIB(readline, readline, HaveLibReadline=YES) + READLINE_LIBS="readline $LibTermcap" + LIBS="$LIBS -lreadline" + fi +fi + +dnl ** At this point, $LIB should be completely set, so we can use AC_CHECK_FUNC from now on. + +dnl ** Is our readline really readline, or is it BSD's libedit? +dnl ** Second test is necessary on Mac OS X 10.5. +AC_CHECK_FUNC(rl_readline_version, ReadlineIsLibedit=NO, ReadlineIsLibedit=YES) +if test "x$ReadlineIsLibedit" = xNO ; then + AC_CHECK_FUNC(rl_begin_undo_group, , ReadlineIsLibedit=YES) +fi + +if (test "x$HaveLibReadline" = xYES || test "x$HaveFrameworkReadline" = xYES) && test "x$ReadlineIsLibedit" = xNO ; then + HAVE_READLINE=YES +else + AC_MSG_FAILURE([readline not found, so this package cannot be built]) + HAVE_READLINE=NO +fi + +if test "x$HAVE_READLINE" = xYES ; then + AC_CHECK_FUNC(rl_erase_empty_line, + [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])], + [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])]) + AC_CHECK_FUNC(rl_free_undo_list, + [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])], + [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])]) + AC_CHECK_LIB(readline, rl_completion_word_break_hook, + [AC_DEFINE([HAVE_READLINE_5], [1], [Define to 1 if readline has version >= 5.0.])], + [AC_DEFINE([HAVE_READLINE_5], [0], [Define to 1 if readline has version >= 5.0.])]) +else + AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.]) + AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.]) + AC_DEFINE([HAVE_READLINE_5], [0], [Define to 1 if readline has version >= 5.0.]) +fi + +if test "x$HAVE_READLINE" = xYES; then + READLINE_BUILD_PACKAGE=yes + BUILD_PACKAGE_BOOL=True +else + READLINE_BUILD_PACKAGE=no + BUILD_PACKAGE_BOOL=False +fi + +fi + +AC_SUBST([READLINE_BUILD_PACKAGE]) +AC_SUBST([BUILD_PACKAGE_BOOL]) +AC_SUBST([READLINE_CFLAGS]) +AC_SUBST([READLINE_LDFLAGS]) +AC_SUBST([READLINE_LIBS]) +AC_SUBST([READLINE_FRAMEWORKS]) + +AC_CONFIG_FILES([config.mk readline.buildinfo]) +AC_OUTPUT diff --git a/include/HsReadline.h b/include/HsReadline.h new file mode 100644 --- /dev/null +++ b/include/HsReadline.h @@ -0,0 +1,16 @@ +#ifndef HSREADLINE_H +#define HSREADLINE_H + +#include "HsReadlineConfig.h" +#include +#if defined(HAVE_FRAMEWORK_READLINE) +#include +#include +#else +#include +#include +#endif + +extern void hs_rl_message (const char *s); + +#endif diff --git a/include/HsReadlineConfig.h b/include/HsReadlineConfig.h new file mode 100644 --- /dev/null +++ b/include/HsReadlineConfig.h @@ -0,0 +1,29 @@ +/* include/HsReadlineConfig.h. Generated from HsReadlineConfig.h.in by configure. */ +/* include/HsReadlineConfig.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if we're using GNUreadline.framework. */ +/* #undef HAVE_FRAMEWORK_READLINE */ + +/* Define to 1 if readline has version >= 4.0. */ +#define HAVE_READLINE_4 1 + +/* Define to 1 if readline has version >= 4.2. */ +#define HAVE_READLINE_4_2 1 + +/* Define to 1 if readline has version >= 5.0. */ +#define HAVE_READLINE_5 1 + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "libraries@haskell.org" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "Haskell readline package" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "Haskell readline package 1.0" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "readline" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "1.0" diff --git a/include/HsReadlineConfig.h.in b/include/HsReadlineConfig.h.in new file mode 100644 --- /dev/null +++ b/include/HsReadlineConfig.h.in @@ -0,0 +1,28 @@ +/* include/HsReadlineConfig.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if we're using GNUreadline.framework. */ +#undef HAVE_FRAMEWORK_READLINE + +/* Define to 1 if readline has version >= 4.0. */ +#undef HAVE_READLINE_4 + +/* Define to 1 if readline has version >= 4.2. */ +#undef HAVE_READLINE_4_2 + +/* Define to 1 if readline has version >= 5.0. */ +#undef HAVE_READLINE_5 + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION diff --git a/readline.buildinfo.in b/readline.buildinfo.in new file mode 100644 --- /dev/null +++ b/readline.buildinfo.in @@ -0,0 +1,5 @@ +buildable: @BUILD_PACKAGE_BOOL@ +cc-options: @READLINE_CFLAGS@ +ld-options: @READLINE_LDFLAGS@ +extra-libraries: @READLINE_LIBS@ +frameworks: @READLINE_FRAMEWORKS@ diff --git a/readline.cabal b/readline.cabal new file mode 100644 --- /dev/null +++ b/readline.cabal @@ -0,0 +1,34 @@ +name: readline +version: 1.0.1.0 +license: GPL +license-file: LICENSE +maintainer: libraries@haskell.org +synopsis: An interface to the GNU readline library +description: + More information on readline can be found at + http:\/\/www.gnu.org\/directory\/readline.html. +extra-source-files: + aclocal.m4 configure.ac configure config.mk.in + readline.buildinfo.in include/HsReadlineConfig.h.in +extra-tmp-files: + config.log config.status autom4te.cache config.mk + readline.buildinfo include/HsReadlineConfig.h + include/HsReadline.h +build-type: Configure +cabal-version: >=1.2 + +flag split-base + +library + exposed-modules: + System.Console.Readline + System.Console.SimpleLineEditor + if flag(split-base) + build-depends: base >= 3, process + else + build-depends: base < 3 + extensions: CPP + include-dirs: include + includes: HsReadline.h + install-includes: HsReadline.h HsReadlineConfig.h + c-sources: HsReadline_cbits.c