unix-time 0.5.1 → 0.6.0
raw patch · 14 files changed
+5316/−4819 lines, 14 filesdep ~base
Dependency ranges changed: base
Files
- ChangeLog.md +29/−6
- Data/UnixTime.hs +2/−0
- Data/UnixTime/Conv.hs +76/−35
- Data/UnixTime/Diff.hs +56/−44
- Data/UnixTime/Types.hsc +11/−11
- cbits/config.h.in +26/−18
- cbits/conv.c +140/−141
- cbits/strptime.c +21/−6
- cbits/win_patch.c +0/−28
- cbits/win_patch.h +3/−4
- configure +4869/−4510
- configure.ac +3/−12
- test/UnixTimeSpec.hs +77/−2
- unix-time.cabal +3/−2
ChangeLog.md view
@@ -1,14 +1,37 @@ # ChangeLog for unix-time -## v0.5.1+## v0.6.0 +This release changes the results of some functions without changing+their types. Please check the following before upgrading.++* `UnixDiffTime` is normalized so that both fields have the same sign.+ For example, -0.5 seconds is now `UnixDiffTime 0 (-500000)`+ instead of `UnixDiffTime (-1) 500000`.+ Code checking the sign with `udtSeconds d < 0` must use `d < 0`+ (or `signum`) instead.+* `parseUnixTime` takes DST into account. Results during DST were+ one hour off.+* `parseUnixTime` and `parseUnixTimeGMT` honor the offset of `%z`+ on glibc. It was ignored.+* The GMT functions no longer modify the `TZ` environment variable,+ which could be corrupted by concurrent calls. So they no longer+ call `tzset()` as a side effect.+* `addUnixDiffTime` normalizes `utMicroSeconds` into `[0, 1000000)`+ also for times before 1970.+* The `Binary` instance of `UnixTime` always encodes seconds as+ `Int64`. Data encoded on 32-bit platforms by older versions cannot+ be decoded.++Other changes:+ * Security: `formatUnixTime` and `formatUnixTimeGMT` read beyond a heap buffer when the output exceeded 80 bytes. Now the buffer grows.-* Security: concurrent calls of the GMT functions could leave the- process-global `TZ` corrupted. Calls are now serialized and the old- `TZ` value is copied before being restored.-* Windows: fix a heap overflow in `_patch_unsetenv`, which also failed- to unset `TZ`.+* New: `parseUnixTimeMaybe` and `parseUnixTimeGMTMaybe`.+* Fix `*`, `negate`, `abs` and `signum` of `UnixDiffTime`.+* Use `strptime_l()`/`strftime_l()` on Linux instead of changing+ the process-global locale.+* Require `base` >= 4.9. ## v0.5.0
Data/UnixTime.hs view
@@ -8,6 +8,8 @@ -- * Parsing and formatting time parseUnixTime, parseUnixTimeGMT,+ parseUnixTimeMaybe,+ parseUnixTimeGMTMaybe, formatUnixTime, formatUnixTimeGMT,
Data/UnixTime/Conv.hs view
@@ -6,20 +6,24 @@ formatUnixTimeGMT, parseUnixTime, parseUnixTimeGMT,+ parseUnixTimeMaybe,+ parseUnixTimeGMTMaybe, webDateFormat, mailDateFormat, fromEpochTime, toEpochTime ) where -import Control.Applicative-import Control.Concurrent.MVar (MVar, newMVar, withMVar)-import Data.ByteString.Char8-import Data.ByteString.Unsafe+import Data.ByteString.Char8 (ByteString)+import qualified Data.ByteString.Char8 as BS+import Data.ByteString.Internal (createAndTrim)+import Data.Char (isDigit) import Data.UnixTime.Types import Foreign.C.String import Foreign.C.Types-import Foreign.Marshal.Alloc+import Foreign.Marshal.Alloc (alloca)+import Foreign.Ptr (Ptr, castPtr)+import Foreign.Storable (peek) import System.IO.Unsafe (unsafePerformIO) import System.Posix.Types (EpochTime) @@ -27,11 +31,14 @@ -- >>> import Data.Function (on) -- >>> :set -XOverloadedStrings +foreign import ccall unsafe "c_init_locale"+ c_init_locale :: IO ()+ foreign import ccall unsafe "c_parse_unix_time"- c_parse_unix_time :: CString -> CString -> IO CTime+ c_parse_unix_time :: CString -> CString -> Ptr CInt -> IO CTime foreign import ccall unsafe "c_parse_unix_time_gmt"- c_parse_unix_time_gmt :: CString -> CString -> IO CTime+ c_parse_unix_time_gmt :: CString -> CString -> Ptr CInt -> IO CTime foreign import ccall unsafe "c_format_unix_time" c_format_unix_time :: CString -> CTime -> CString -> CInt -> IO CSize@@ -39,44 +46,75 @@ foreign import ccall unsafe "c_format_unix_time_gmt" c_format_unix_time_gmt :: CString -> CTime -> CString -> CInt -> IO CSize --- The GMT functions temporarily change the process-global TZ.--- Serialize all C calls so that concurrent calls cannot corrupt TZ.-tzLock :: MVar ()-tzLock = unsafePerformIO $ newMVar ()-{-# NOINLINE tzLock #-}--withTZLock :: IO a -> IO a-withTZLock = withMVar tzLock . const+-- The C side must initialize its locale exactly once before use.+localeReady :: ()+localeReady = unsafePerformIO c_init_locale+{-# NOINLINE localeReady #-} ---------------------------------------------------------------- +type CParser = CString -> CString -> Ptr CInt -> IO CTime++parseHelper :: CParser -> Format -> ByteString -> (UnixTime, Bool)+parseHelper parser fmt str = localeReady `seq` unsafePerformIO (+ BS.useAsCString fmt $ \cfmt ->+ BS.useAsCString str $ \cstr ->+ alloca $ \pok -> do+ sec <- parser cfmt cstr pok+ ok <- peek pok+ -- A NUL byte would silently truncate the C strings.+ let complete = BS.notElem '\0' fmt && BS.notElem '\0' str+ return (UnixTime sec 0, ok /= 0 && complete))++toMaybe :: (UnixTime, Bool) -> Maybe UnixTime+toMaybe (ut, True) = Just ut+toMaybe _ = Nothing+ -- | -- Parsing 'ByteString' to 'UnixTime' interpreting as localtime. -- This is a wrapper for strptime_l(). -- Many implementations of strptime_l() do not support %Z and -- some implementations of strptime_l() do not support %z, either. -- 'utMicroSeconds' is always set to 0.+--+-- The result is unspecified if parsing fails.+-- Use 'parseUnixTimeMaybe' to detect failures.+--+-- This depends on the TZ environment variable but is a pure function.+-- So, the result may be shared even if TZ is changed later. parseUnixTime :: Format -> ByteString -> UnixTime-parseUnixTime fmt str = unsafePerformIO $- useAsCString fmt $ \cfmt ->- useAsCString str $ \cstr -> do- sec <- withTZLock $ c_parse_unix_time cfmt cstr- return $ UnixTime sec 0+parseUnixTime fmt str = fst $ parseHelper c_parse_unix_time fmt str -- | -- Parsing 'ByteString' to 'UnixTime' interpreting as GMT. -- This is a wrapper for strptime_l(). -- 'utMicroSeconds' is always set to 0. --+-- The result is unspecified if parsing fails.+-- Use 'parseUnixTimeGMTMaybe' to detect failures.+-- -- >>> parseUnixTimeGMT webDateFormat "Thu, 01 Jan 1970 00:00:00 GMT" -- UnixTime {utSeconds = 0, utMicroSeconds = 0} parseUnixTimeGMT :: Format -> ByteString -> UnixTime-parseUnixTimeGMT fmt str = unsafePerformIO $- useAsCString fmt $ \cfmt ->- useAsCString str $ \cstr -> do- sec <- withTZLock $ c_parse_unix_time_gmt cfmt cstr- return $ UnixTime sec 0+parseUnixTimeGMT fmt str = fst $ parseHelper c_parse_unix_time_gmt fmt str +-- |+-- Like 'parseUnixTime' but returns 'Nothing' unless the entire input+-- matches the format.+parseUnixTimeMaybe :: Format -> ByteString -> Maybe UnixTime+parseUnixTimeMaybe fmt str = toMaybe $ parseHelper c_parse_unix_time fmt str++-- |+-- Like 'parseUnixTimeGMT' but returns 'Nothing' unless the entire input+-- matches the format.+--+-- >>> parseUnixTimeGMTMaybe webDateFormat "Thu, 01 Jan 1970 00:00:00 GMT"+-- Just (UnixTime {utSeconds = 0, utMicroSeconds = 0})+-- >>> parseUnixTimeGMTMaybe webDateFormat "garbage"+-- Nothing+parseUnixTimeGMTMaybe :: Format -> ByteString -> Maybe UnixTime+parseUnixTimeGMTMaybe fmt str = toMaybe $ parseHelper c_parse_unix_time_gmt fmt str+ ---------------------------------------------------------------- -- |@@ -110,25 +148,28 @@ -- | -- Helper handling memory allocation for formatUnixTime and formatUnixTimeGMT.+-- A format containing a NUL byte is truncated there. formatUnixTimeHelper :: (CString -> CTime -> CString -> CInt -> IO CSize) -> Format -> UnixTime -> IO ByteString formatUnixTimeHelper formatFun fmt (UnixTime sec _) =- useAsCString fmt $ \cfmt -> loop cfmt 80+ localeReady `seq` BS.useAsCString fmt (\cfmt -> loop cfmt 80) where -- strftime() returns 0 if the result does not fit in the buffer.- -- Retry with a larger buffer but give up at a bound.- limit = 80 + 64 * Data.ByteString.Char8.length fmt+ -- Retry with a larger buffer but give up at a bound+ -- which also covers field widths such as "%100Y".+ limit :: Int+ limit = fromInteger $ min (1024 * 1024) $+ 80 + 64 * toInteger (BS.length fmt) + sum (map (read . BS.unpack) widths)+ widths = filter (not . BS.null) $ BS.splitWith (not . isDigit) fmt loop cfmt siz = do- ptr <- mallocBytes siz- len <- withTZLock $ fromIntegral <$> formatFun cfmt sec ptr (fromIntegral siz)- if len == 0 && siz < limit- then free ptr >> loop cfmt (siz * 2)- else do- ptr' <- reallocBytes ptr (max 1 len)- unsafePackMallocCStringLen (ptr', len)+ bs <- createAndTrim siz $ \ptr ->+ fromIntegral <$> formatFun cfmt sec (castPtr ptr) (fromIntegral siz)+ if BS.null bs && siz < limit+ then loop cfmt (siz * 2)+ else return bs ----------------------------------------------------------------
Data/UnixTime/Diff.hs view
@@ -16,15 +16,38 @@ ---------------------------------------------------------------- -calc :: CTime -> Int32 -> UnixDiffTime-calc sec usec = uncurry UnixDiffTime . adjust sec $ usec+-- 'UnixDiffTime' is normalized so that both fields share the sign of+-- the value and @|udtMicroSeconds| < 1000000@.+normDiff :: CTime -> Int64 -> UnixDiffTime+normDiff sec usec+ | s > 0 && u < 0 = UnixDiffTime (s - 1) (fromIntegral (u + micro))+ | s < 0 && u > 0 = UnixDiffTime (s + 1) (fromIntegral (u - micro))+ | otherwise = UnixDiffTime s (fromIntegral u)+ where+ (q, u) = usec `quotRem` micro+ s = sec + fromIntegral q -calc' :: CTime -> Int32 -> UnixDiffTime-calc' sec usec = uncurry UnixDiffTime . slowAdjust sec $ usec+-- 'UnixTime' is normalized so that @0 <= utMicroSeconds < 1000000@+-- as @struct timeval@.+normTime :: CTime -> Int64 -> UnixTime+normTime sec usec = UnixTime (sec + fromIntegral q) (fromIntegral u)+ where+ (q, u) = usec `divMod` micro -calcU :: CTime -> Int32 -> UnixTime-calcU sec usec = uncurry UnixTime . adjust sec $ usec+normalize :: UnixDiffTime -> UnixDiffTime+normalize (UnixDiffTime s u) = normDiff s (fromIntegral u) +toMicro :: UnixDiffTime -> Integer+toMicro (UnixDiffTime (CTime s) u) = toInteger s * micro + toInteger u++fromMicro :: Integer -> UnixDiffTime+fromMicro n = UnixDiffTime (fromInteger s) (fromInteger u)+ where+ (s, u) = n `quotRem` micro++micro :: Num a => a+micro = 1000000+ -- | Arithmetic operations where (1::UnixDiffTime) means 1 second. -- -- >>> (3 :: UnixDiffTime) + 2@@ -33,16 +56,26 @@ -- UnixDiffTime {udtSeconds = -3, udtMicroSeconds = 0} -- >>> (3 :: UnixDiffTime) * 2 -- UnixDiffTime {udtSeconds = 6, udtMicroSeconds = 0}+-- >>> microSecondsToUnixDiffTime (1500000 :: Int) * microSecondsToUnixDiffTime (1500000 :: Int)+-- UnixDiffTime {udtSeconds = 2, udtMicroSeconds = 250000}+-- >>> negate (microSecondsToUnixDiffTime (500000 :: Int))+-- UnixDiffTime {udtSeconds = 0, udtMicroSeconds = -500000} instance Num UnixDiffTime where- UnixDiffTime s1 u1 + UnixDiffTime s2 u2 = calc (s1 + s2) (u1 + u2)- UnixDiffTime s1 u1 - UnixDiffTime s2 u2 = calc (s1 - s2) (u1 - u2)- UnixDiffTime s1 u1 * UnixDiffTime s2 u2 = calc' (s1 * s2) (u1 * u2)- negate (UnixDiffTime s u) = UnixDiffTime (-s) (-u)- abs (UnixDiffTime s u) = UnixDiffTime (abs s) (abs u)- signum (UnixDiffTime s u)- | s == 0 && u == 0 = 0- | s > 0 = 1- | otherwise = -1+ UnixDiffTime s1 u1 + UnixDiffTime s2 u2 =+ normDiff (s1 + s2) (fromIntegral u1 + fromIntegral u2)+ UnixDiffTime s1 u1 - UnixDiffTime s2 u2 =+ normDiff (s1 - s2) (fromIntegral u1 - fromIntegral u2)+ x * y = fromMicro (toMicro x * toMicro y `quot` micro)+ negate (UnixDiffTime s u) = normDiff (negate s) (negate (fromIntegral u))+ abs x = UnixDiffTime (abs s) (abs u)+ where+ UnixDiffTime s u = normalize x+ signum x+ | s > 0 || u > 0 = 1+ | s < 0 || u < 0 = -1+ | otherwise = 0+ where+ UnixDiffTime s u = normalize x fromInteger i = UnixDiffTime (fromInteger i) 0 {-# RULES "Integral->UnixDiffTime" fromIntegral = secondsToUnixDiffTime #-}@@ -59,14 +92,16 @@ -- >>> UnixTime 100 2000 `diffUnixTime` UnixTime 98 2100 -- UnixDiffTime {udtSeconds = 1, udtMicroSeconds = 999900} diffUnixTime :: UnixTime -> UnixTime -> UnixDiffTime-diffUnixTime (UnixTime s1 u1) (UnixTime s2 u2) = calc (s1 - s2) (u1 - u2)+diffUnixTime (UnixTime s1 u1) (UnixTime s2 u2) =+ normDiff (s1 - s2) (fromIntegral u1 - fromIntegral u2) -- | Adding difference to 'UnixTime'. -- -- >>> UnixTime 100 2000 `addUnixDiffTime` microSecondsToUnixDiffTime ((-1003000) :: Int) -- UnixTime {utSeconds = 98, utMicroSeconds = 999000} addUnixDiffTime :: UnixTime -> UnixDiffTime -> UnixTime-addUnixDiffTime (UnixTime s1 u1) (UnixDiffTime s2 u2) = calcU (s1 + s2) (u1 + u2)+addUnixDiffTime (UnixTime s1 u1) (UnixDiffTime s2 u2) =+ normTime (s1 + s2) (fromIntegral u1 + fromIntegral u2) -- | Creating difference from seconds. --@@ -83,37 +118,14 @@ -- -- >>> microSecondsToUnixDiffTime ((-12345678) :: Int) -- UnixDiffTime {udtSeconds = -12, udtMicroSeconds = -345678}+--+-- >>> microSecondsToUnixDiffTime ((-345678) :: Int)+-- UnixDiffTime {udtSeconds = 0, udtMicroSeconds = -345678} microSecondsToUnixDiffTime :: Integral a => a -> UnixDiffTime-microSecondsToUnixDiffTime usec = calc (fromIntegral s) (fromIntegral u)- where- (s, u) = secondMicro usec+microSecondsToUnixDiffTime = fromMicro . toInteger {-# INLINE microSecondsToUnixDiffTime #-} ------------------------------------------------------------------adjust :: CTime -> Int32 -> (CTime, Int32)-adjust sec usec- | sec >= 0 = ajp- | otherwise = ajm- where- micro = 1000000- mmicro = -micro- ajp- | usec >= micro = (sec + 1, usec - micro)- | usec >= 0 = (sec, usec)- | otherwise = (sec - 1, usec + micro)- ajm- | usec <= mmicro = (sec - 1, usec + micro)- | usec <= 0 = (sec, usec)- | otherwise = (sec + 1, usec - micro)--slowAdjust :: CTime -> Int32 -> (CTime, Int32)-slowAdjust sec usec = (sec + fromIntegral s, usec - u)- where- (s, u) = secondMicro usec--secondMicro :: Integral a => a -> (a, a)-secondMicro usec = usec `quotRem` 1000000 toFractional :: Fractional a => UnixDiffTime -> a toFractional (UnixDiffTime s u) = realToFrac s + realToFrac u / 1000000
Data/UnixTime/Types.hsc view
@@ -2,7 +2,6 @@ module Data.UnixTime.Types where -import Control.Applicative ((<$>), (<*>)) import Data.ByteString import Data.ByteString.Char8 () import Data.Int@@ -53,6 +52,7 @@ -- we must be careful about the layout of its foreign memory. -- -- Here we try use Word32, rather than Int32, to support as large value as possible.+ -- So, times before 1970 cannot be represented. -- For example, we use `4294967295` as utSeconds in testsuite, which already exceeds -- the range of Int32, but not for Word32. peek ptr = do@@ -91,10 +91,13 @@ #if __GLASGOW_HASKELL__ >= 704 instance Binary UnixTime where+ -- Seconds are always encoded as Int64 to be portable. put (UnixTime (CTime sec) msec) = do- put sec+ put (fromIntegral sec :: Int64) put msec- get = UnixTime <$> (CTime `fmap` get) <*> get+ get = do+ sec <- get :: Get Int64+ UnixTime (CTime (fromIntegral sec)) <$> get #endif -- |@@ -104,14 +107,11 @@ -- | -- Data structure for UnixTime diff. ----- It is up to the user to ensure that @'udtMicroSeconds' < 1000000@.--- Helpers such as 'Data.UnixTime.microSecondsToUnixDiffTime' can help--- you to create valid values. For example, it's a mistake to use--- 'Data.Text.addUnixDiffTime' with a value @UnixDiffTime 0 9999999@--- as it will produce an incorrect value back. You should instead use--- functions such as 'Data.UnixTime.microSecondsToUnixDiffTime' to--- create values that are in-range. This avoids any gotchas when then--- doing comparisons.+-- The functions in this library normalize values so that both fields+-- have the same sign and @|'udtMicroSeconds'| < 1000000@.+-- Use 'Data.UnixTime.microSecondsToUnixDiffTime' to create values.+-- The derived 'Eq' and 'Ord' instances are meaningful only for+-- normalized values. data UnixDiffTime = UnixDiffTime { -- | Seconds udtSeconds :: {-# UNPACK #-} !CTime
cbits/config.h.in view
@@ -1,43 +1,52 @@ /* cbits/config.h.in. Generated from configure.ac by autoheader. */ -/* Define to 1 if you have the declaration of `_mkgmtime', and to 0 if you+/* Define to 1 if you have the declaration of '_mkgmtime', and to 0 if you don't. */ #undef HAVE_DECL__MKGMTIME /* Define to 1 if you have the <inttypes.h> header file. */ #undef HAVE_INTTYPES_H -/* Define to 1 if you have the <memory.h> header file. */-#undef HAVE_MEMORY_H- /* Define to 1 if you have the <stdint.h> header file. */ #undef HAVE_STDINT_H +/* Define to 1 if you have the <stdio.h> header file. */+#undef HAVE_STDIO_H+ /* Define to 1 if you have the <stdlib.h> header file. */ #undef HAVE_STDLIB_H +/* Define to 1 if you have the 'strftime_l' function. */+#undef HAVE_STRFTIME_L+ /* Define to 1 if you have the <strings.h> header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the <string.h> header file. */ #undef HAVE_STRING_H -/* Define to 1 if you have the `strptime_l' function. */+/* Define to 1 if you have the 'strptime_l' function. */ #undef HAVE_STRPTIME_L -/* Define to 1 if you have the `strtoll_l' function. */+/* Define to 1 if you have the 'strtoll_l' function. */ #undef HAVE_STRTOLL_L -/* Define to 1 if you have the `strtol_l' function. */+/* Define to 1 if you have the 'strtol_l' function. */ #undef HAVE_STRTOL_L +/* Define to 1 if 'tm_gmtoff' is a member of 'struct tm'. */+#undef HAVE_STRUCT_TM_TM_GMTOFF++/* Define to 1 if 'tm_zone' is a member of 'struct tm'. */+#undef HAVE_STRUCT_TM_TM_ZONE+ /* Define to 1 if you have the <sys/stat.h> header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the <sys/types.h> header file. */ #undef HAVE_SYS_TYPES_H -/* Define to 1 if you have the `timegm' function. */+/* Define to 1 if you have the 'timegm' function. */ #undef HAVE_TIMEGM /* Define to 1 if you have the <unistd.h> header file. */@@ -46,27 +55,24 @@ /* Define to 1 if you have the <xlocale.h> header file. */ #undef HAVE_XLOCALE_H -/* Define to 1 if you have the `_create_locale' function. */+/* Define to 1 if you have the '_create_locale' function. */ #undef HAVE__CREATE_LOCALE -/* Define to 1 if you have the `_get_current_locale' function. */+/* Define to 1 if you have the '_get_current_locale' function. */ #undef HAVE__GET_CURRENT_LOCALE -/* Define to 1 if you have the `_isblank_l' function. */+/* Define to 1 if you have the '_isblank_l' function. */ #undef HAVE__ISBLANK_L -/* Define to 1 if you have the `_isdigit_l' function. */+/* Define to 1 if you have the '_isdigit_l' function. */ #undef HAVE__ISDIGIT_L -/* Define to 1 if you have the `_isspace_l' function. */+/* Define to 1 if you have the '_isspace_l' function. */ #undef HAVE__ISSPACE_L -/* Define to 1 if you have the `_isupper_l' function. */+/* Define to 1 if you have the '_isupper_l' function. */ #undef HAVE__ISUPPER_L -/* "Is Linux" */-#undef IS_LINUX- /* "Is Windows NT 6.1" */ #undef IS_NT61 @@ -88,5 +94,7 @@ /* Define to the version of this package. */ #undef PACKAGE_VERSION -/* Define to 1 if you have the ANSI C header files. */+/* Define to 1 if all of the C89 standard headers exist (not just the ones+ required in a freestanding environment). This macro is provided for+ backward compatibility; new code need not use it. */ #undef STDC_HEADERS
cbits/conv.c view
@@ -1,18 +1,18 @@ #include "config.h" -#if IS_LINUX-/* Linux cheats AC_CHECK_FUNCS(strptime_l), sigh. */-#define THREAD_SAFE 0-#define _XOPEN_SOURCE-#define _DEFAULT_SOURCE-#define _BSD_SOURCE-#elif HAVE_STRPTIME_L+#if HAVE_STRPTIME_L && HAVE_STRFTIME_L #define THREAD_SAFE 1 #define _GNU_SOURCE #else #define THREAD_SAFE 0+#if !defined(_WIN32)+#define _XOPEN_SOURCE+#define _DEFAULT_SOURCE+#define _BSD_SOURCE #endif+#endif +#include <limits.h> #include <string.h> #include <time.h> #include <locale.h>@@ -23,172 +23,171 @@ #include "win_patch.h" #endif // _WIN32 +/*+ * c_init_locale() must be called once before the other functions.+ * The Haskell side guarantees this.+ */ #if THREAD_SAFE #if HAVE_XLOCALE_H #include <xlocale.h> #endif -locale_t c_locale = NULL;+static locale_t c_locale = NULL; -void init_locale() {- if (c_locale == NULL) c_locale = newlocale(LC_TIME_MASK, "C", NULL);-}-#else-void init_locale() {- static int initialized = 0;- if (initialized == 0) {- setlocale(LC_TIME, "C");- initialized = 1;- }+void c_init_locale(void) {+ c_locale = newlocale(LC_TIME_MASK, "C", NULL); }-#endif -/*- * Set the value of the TZ environment variable to UTC- * and return the old value.- */-char *set_tz_utc() {- char *tz;- tz = getenv("TZ");- /* setenv() may free the old string, so keep a copy. */- if (tz) tz = strdup(tz);-#if defined(_WIN32)- _patch_setenv("TZ", "UTC", 1);+#define STRPTIME(src, fmt, tm) strptime_l(src, fmt, tm, c_locale)+#define STRFTIME(dst, siz, fmt, tm) strftime_l(dst, siz, fmt, tm, c_locale) #else- setenv("TZ", "", 1);-#endif-#if defined(HAVE_TZSET)- tzset();-#endif- return tz;+void c_init_locale(void) {+ setlocale(LC_TIME, "C"); } -/*- * Set the value of the TZ environment variable to tz or- * unset the variable if tz is null;- */-void set_tz(char *local_tz) {- if (local_tz) {+#define STRPTIME(src, fmt, tm) strptime(src, fmt, tm) #if defined(_WIN32)- _patch_setenv("TZ", local_tz, 1);+#define STRFTIME(dst, siz, fmt, tm) _patch_strftime(dst, siz, fmt, tm) #else- setenv("TZ", local_tz, 1);+#define STRFTIME(dst, siz, fmt, tm) strftime(dst, siz, fmt, tm)+#endif // _WIN32 #endif- free(local_tz);- } else {+ #if defined(_WIN32)- _patch_unsetenv("TZ");+/* Unlike strptime(), this does not convert the result to local time. */+#define STRPTIME_UTC(src, fmt, tm) _patch_strptime_utc(src, fmt, tm) #else- unsetenv("TZ");-#endif- }-#if defined(HAVE_TZSET)- tzset();+#define STRPTIME_UTC(src, fmt, tm) STRPTIME(src, fmt, tm) #endif-} -time_t c_parse_unix_time(char *fmt, char *src) {- struct tm dst;- init_locale();- memset(&dst, 0, sizeof(struct tm));-#if THREAD_SAFE- strptime_l(src, fmt, &dst, c_locale);-#else- strptime(src, fmt, &dst);-#endif- return mktime(&dst);+#if !defined(HAVE_TIMEGM)+/* For systems without timegm(), e.g. Solaris. */+static time_t unix_time_timegm(struct tm *tm) {+ /* Normalize the month first, then count days from 1970-01-01. */+ long long y = (long long)tm->tm_year + 1900 + tm->tm_mon / 12;+ int m = tm->tm_mon % 12;+ long long era, days;+ unsigned yoe, doy, doe;+ if (m < 0) { m += 12; y--; }+ /* days_from_civil() by Howard Hinnant (March-based years). */+ if (m < 2) y--;+ era = (y >= 0 ? y : y - 399) / 400;+ yoe = (unsigned)(y - era * 400);+ doy = (153 * (m + (m < 2 ? 10 : -2)) + 2) / 5;+ doe = yoe * 365 + yoe / 4 - yoe / 100 + doy;+ days = era * 146097 + (long long)doe - 719468 + tm->tm_mday - 1;+ return (time_t)(((days * 24 + tm->tm_hour) * 60 + tm->tm_min) * 60+ + tm->tm_sec); }+#define timegm unix_time_timegm+#endif /* HAVE_TIMEGM */ -#if !defined(HAVE_TIMEGM)-/* This part is for Solaris that doesn't have timegm.- * The copyright notice of timegm and is_leap is as below:- *- * Copyright (c) 1997 Kungliga Tekniska H.gskolan- * (Royal Institute of Technology, Stockholm, Sweden).- * All rights reserved.+/*+ * Parsing.+ * None of the functions below touch the process-global TZ. */ -static time_t-timegm (struct tm *tm)-{- static const unsigned ndays[2][12] ={- {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},- {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};- time_t res = 0;- unsigned i;-- for (i = 70; i < tm->tm_year; ++i)- res += isleap(i + 1900) ? 366 : 365;+#define NO_GMTOFF LONG_MIN - for (i = 0; i < tm->tm_mon; ++i)- res += ndays[isleap(tm->tm_year + 1900)][i];- res += tm->tm_mday - 1;- res *= 24;- res += tm->tm_hour;- res *= 60;- res += tm->tm_min;- res *= 60;- res += tm->tm_sec;- return res;+/* Returns 1 if the entire src matches fmt. */+static int parse(int utc, const char *fmt, const char *src, struct tm *tm) {+ char *end;+ memset(tm, 0, sizeof(struct tm));+ /* Let mktime() decide whether DST is in effect. */+ tm->tm_isdst = -1;+#if HAVE_STRUCT_TM_TM_GMTOFF+ tm->tm_gmtoff = NO_GMTOFF;+#endif+ end = utc ? STRPTIME_UTC(src, fmt, tm) : STRPTIME(src, fmt, tm);+ return end != NULL && *end == '\0'; }-#endif /* HAVE_TIMEGM */ -time_t c_parse_unix_time_gmt(char *fmt, char *src) {- struct tm dst;- char *local_tz;- init_locale();- memset(&dst, 0, sizeof(struct tm));- local_tz = set_tz_utc();-#if THREAD_SAFE- strptime_l(src, fmt, &dst, c_locale);-#else- strptime(src, fmt, &dst);+/*+ * Seconds since the epoch of the parsed time. Fields without an+ * explicit zone are local time if utc is 0, or UTC otherwise.+ */+static time_t resolve(int utc, struct tm *tm) {+#if HAVE_STRUCT_TM_TM_GMTOFF && HAVE_STRUCT_TM_TM_ZONE+ /* BSD strptime() converts %s, %z and GMT to local time. */+ if (tm->tm_zone != NULL) return mktime(tm);+ /* glibc strptime() stores %z in tm_gmtoff only. */+ if (tm->tm_gmtoff != NO_GMTOFF) {+ long off = tm->tm_gmtoff;+ tm->tm_gmtoff = 0;+ return timegm(tm) - off;+ }+ tm->tm_gmtoff = 0; #endif- set_tz(local_tz);- return timegm(&dst);+ return utc ? timegm(tm) : mktime(tm); } -size_t c_format_unix_time(char *fmt, time_t src, char* dst, int siz) {- struct tm tim;- init_locale();- localtime_r(&src, &tim);-#if THREAD_SAFE-#if defined(_WIN32)- return _patch_strftime_l(dst, siz, fmt, &tim, c_locale);-#else- return strftime_l(dst, siz, fmt, &tim, c_locale);-#endif // _WIN32-#else-#if defined(_WIN32)- return _patch_strftime(dst, siz, fmt, &tim);-#else- return strftime(dst, siz, fmt, &tim);-#endif // _WIN32-#endif+time_t c_parse_unix_time(char *fmt, char *src, int *ok) {+ struct tm tm;+ *ok = parse(0, fmt, src, &tm);+ return resolve(0, &tm); } -size_t c_format_unix_time_gmt(char *fmt, time_t src, char* dst, int siz) {- struct tm tim;- char *local_tz;- size_t dst_size;+time_t c_parse_unix_time_gmt(char *fmt, char *src, int *ok) {+ struct tm tm;+ *ok = parse(1, fmt, src, &tm);+ return resolve(1, &tm);+} - init_locale();- gmtime_r(&src, &tim);+/*+ * Formatting.+ */ - local_tz = set_tz_utc();-#if THREAD_SAFE-#if defined(_WIN32)- dst_size = _patch_strftime_l(dst, siz, fmt, &tim, c_locale);-#else- dst_size = strftime_l(dst, siz, fmt, &tim, c_locale);-#endif // _WIN32-#else+size_t c_format_unix_time(char *fmt, time_t src, char *dst, int siz) {+ struct tm tim;+ if (localtime_r(&src, &tim) == NULL) return 0;+ return STRFTIME(dst, siz, fmt, &tim);+}++/*+ * strftime() may compute %s and %z from the local time zone+ * (e.g. macOS), so expand them here. So does %Z on Windows.+ */+static char *expand_gmt_format(const char *fmt, time_t src) {+ /* Each 2-byte directive expands to at most 21 bytes. */+ char *buf = malloc(strlen(fmt) * 11 + 1);+ char *p = buf;+ if (buf == NULL) return NULL;+ while (*fmt) {+ if (fmt[0] != '%' || fmt[1] == '\0') {+ *p++ = *fmt++;+ continue;+ }+ switch (fmt[1]) {+ case 's':+ p += sprintf(p, "%lld", (long long)src);+ break;+ case 'z':+ p += sprintf(p, "+0000");+ break; #if defined(_WIN32)- dst_size = _patch_strftime(dst, siz, fmt, &tim);-#else- dst_size = strftime(dst, siz, fmt, &tim);-#endif // _WIN32+ case 'Z':+ p += sprintf(p, "UTC");+ break; #endif- set_tz(local_tz);- return dst_size;+ default:+ *p++ = fmt[0];+ *p++ = fmt[1];+ break;+ }+ fmt += 2;+ }+ *p = '\0';+ return buf;+}++size_t c_format_unix_time_gmt(char *fmt, time_t src, char *dst, int siz) {+ struct tm tim;+ char *gmt_fmt;+ size_t len;+ if (gmtime_r(&src, &tim) == NULL) return 0;+ gmt_fmt = expand_gmt_format(fmt, src);+ if (gmt_fmt == NULL) return 0;+ len = STRFTIME(dst, siz, gmt_fmt, &tim);+ free(gmt_fmt);+ return len; }
cbits/strptime.c view
@@ -706,16 +706,31 @@ return (ret); } -char *-strptime(const char * __restrict buf, const char * __restrict fmt,- struct tm * __restrict tm)+static _locale_t+default_locale(void) { #if HAVE__GET_CURRENT_LOCALE- return strptime_l(buf, fmt, tm, _get_current_locale());+ return _get_current_locale(); #elif HAVE__CREATE_LOCALE && !IS_NT61- return strptime_l(buf, fmt, tm, _create_locale(LC_TIME, "C"));+ return _create_locale(LC_TIME, "C"); #else _locale_t locale;- return strptime_l(buf, fmt, tm, locale);+ return locale; #endif+}++char *+strptime(const char * __restrict buf, const char * __restrict fmt,+ struct tm * __restrict tm)+{+ return strptime_l(buf, fmt, tm, default_locale());+}++/* Like strptime() but leaves %s and %z results in UTC. */+char *+_patch_strptime_utc(const char * __restrict buf, const char * __restrict fmt,+ struct tm * __restrict tm)+{+ int gmt = 0;+ return _strptime(buf, fmt, tm, &gmt, default_locale()); }
cbits/win_patch.c view
@@ -99,31 +99,3 @@ "%I:%M:%S %p" }; --int _patch_setenv(const char *var, const char *val, int _ovr) {- if (val == NULL) {- return _patch_unsetenv(var);- }- int varlen = strlen(var);- int vallen = strlen(val);- int len = varlen + vallen + 2;- char *sname = (char *)malloc(len);- strcpy(sname, var);- sname[varlen] = '=';- strcpy(sname + varlen + 1, val);- sname[varlen + vallen + 1] = '\0';- int r = _putenv(sname);- free(sname);- return r;-}--int _patch_unsetenv(const char *name) {- int len = strlen(name) + 2;- char *sname = (char *)malloc(len);- strcpy(sname, name);- sname[len - 2] = '=';- sname[len - 1] = '\0';- int r = _putenv(sname);- free(sname);- return r;-}
cbits/win_patch.h view
@@ -158,10 +158,6 @@ extern const struct lc_time_T _C_time_locale; -int _patch_setenv(const char *var, const char *val, int ovr);--int _patch_unsetenv(const char *name);- size_t _patch_strftime(char * __restrict s, size_t maxsize, const char * __restrict format, const struct tm * __restrict t); @@ -172,6 +168,9 @@ struct tm * __restrict tm, _locale_t loc); char *strptime(const char * __restrict buf, const char * __restrict fmt,+ struct tm * __restrict tm);++char *_patch_strptime_utc(const char * __restrict buf, const char * __restrict fmt, struct tm * __restrict tm); #endif // UNIX_TIME_WIN_PATCH_H
configure view
@@ -1,4513 +1,4872 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles.-# Generated by GNU Autoconf 2.69.-#-#-# Copyright (C) 1992-1996, 1998-2012 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=:- # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which- # is contrary to our usage. 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Invocation command line was++ $ $0$ac_configure_args_raw++_ACEOF+exec 5>>config.log+{+cat <<_ASUNAME+## --------- ##+## Platform. ##+## --------- ##++hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`+uname -m = `(uname -m) 2>/dev/null || echo unknown`+uname -r = `(uname -r) 2>/dev/null || echo unknown`+uname -s = `(uname -s) 2>/dev/null || echo unknown`+uname -v = `(uname -v) 2>/dev/null || echo unknown`++/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`+/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown`++/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown`+/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown`+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`+/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown`+/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown`+/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown`+/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown`++_ASUNAME++as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ printf '%s\n' "PATH: $as_dir"+ done+IFS=$as_save_IFS++} >&5++cat >&5 <<_ACEOF+++## ----------- ##+## Core tests. ##+## ----------- ##++_ACEOF+++# Keep a trace of the command line.+# Strip out --no-create and --no-recursion so they do not pile up.+# Strip out --silent because we don't want to record it for future runs.+# Also quote any args containing shell meta-characters.+# Make two passes to allow for proper duplicate-argument suppression.+ac_configure_args=+ac_configure_args0=+ac_configure_args1=+ac_must_keep_next=false+for ac_pass in 1 2+do+ for ac_arg+ do+ case $ac_arg in+ -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \+ | -silent | --silent | --silen | --sile | --sil)+ continue ;;+ *\'*)+ ac_arg=`printf '%s\n' "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;+ esac+ case $ac_pass in+ 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;+ 2)+ as_fn_append ac_configure_args1 " '$ac_arg'"+ if test $ac_must_keep_next = true; then+ ac_must_keep_next=false # Got value, back to normal.+ else+ case $ac_arg in+ *=* | --config-cache | -C | -disable-* | --disable-* \+ | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \+ | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \+ | -with-* | --with-* | -without-* | --without-* | --x)+ case "$ac_configure_args0 " in+ "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;+ esac+ ;;+ -* ) ac_must_keep_next=true ;;+ esac+ fi+ as_fn_append ac_configure_args " '$ac_arg'"+ ;;+ esac+ done+done+{ ac_configure_args0=; unset ac_configure_args0;}+{ ac_configure_args1=; unset ac_configure_args1;}++# Dump the cache to stdout. It can be in a pipe (this is a requirement).+ac_cache_dump ()+{+ # The following way of writing the cache mishandles newlines in values,+# but we know of no workaround that is simple, portable, and efficient.+# So, we kill variables containing newlines.+# Ultrix sh set writes to stderr and can't be redirected directly,+# and sets the high bit in the cache file unless we assign to the vars.+(+ for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do+ eval ac_val=\$$ac_var+ case $ac_val in #(+ *${as_nl}*)+ case $ac_var in #(+ *_cv_*) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5+printf '%s\n' "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;+ esac+ case $ac_var in #(+ _ | IFS | as_nl) ;; #(+ BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(+ *) { eval $ac_var=; unset $ac_var;} ;;+ esac ;;+ esac+ done++ (set) 2>&1 |+ case $as_nl`(ac_space=' '; set) 2>&1` in #(+ *${as_nl}ac_space=\ *)+ # 'set' does not quote correctly, so add quotes: double-quote+ # substitution turns \\\\ into \\, and sed turns \\ into \.+ sed -n \+ "s/'/'\\\\''/g;+ s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"+ ;; #(+ *)+ # 'set' quotes correctly as required by POSIX, so do not add quotes.+ sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"+ ;;+ esac |+ sort+)+}++# Print debugging info to stdout.+ac_dump_debugging_info ()+{+ echo++ printf '%s\n' "## ---------------- ##+## Cache variables. ##+## ---------------- ##"+ echo+ ac_cache_dump+ echo++ printf '%s\n' "## ----------------- ##+## Output variables. ##+## ----------------- ##"+ echo+ for ac_var in $ac_subst_vars+ do+ eval ac_val=\$$ac_var+ case $ac_val in+ *\'*) ac_val=`printf '%s\n' "$ac_val" | sed "s/'/'\\\\\\\\''/g"`;;+ esac+ printf '%s\n' "$ac_var='$ac_val'"+ done | sort+ echo++ if test -n "$ac_subst_files"; then+ printf '%s\n' "## ------------------- ##+## File substitutions. ##+## ------------------- ##"+ echo+ for ac_var in $ac_subst_files+ do+ eval ac_val=\$$ac_var+ case $ac_val in+ *\'*) ac_val=`printf '%s\n' "$ac_val" | sed "s/'/'\\\\\\\\''/g"`;;+ esac+ printf '%s\n' "$ac_var='$ac_val'"+ done | sort+ echo+ fi++ if test -s confdefs.h; then+ printf '%s\n' "## ----------- ##+## confdefs.h. ##+## ----------- ##"+ echo+ cat confdefs.h+ echo+ fi+ test "$ac_signal" != 0 &&+ printf '%s\n' "$as_me: caught signal $ac_signal"+ printf '%s\n' "$as_me: exit $exit_status"+}++# When interrupted or exit'd, cleanup temporary files, and complete+# config.log.+ac_exit_trap ()+{+ exit_status=+ # Sanitize IFS.+ IFS=" "" $as_nl"+ # Save into config.log some information that might help in debugging.+ ac_dump_debugging_info >&5+ eval "rm -f $ac_clean_CONFIG_STATUS core *.core core.conftest.*" &&+ rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&+ exit $exit_status+}++trap 'ac_exit_trap $?' 0+for ac_signal in 1 2 13 15; do+ trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal+done+ac_signal=0++# confdefs.h avoids OS command line length limits that DEFS can exceed.+rm -f -r conftest* confdefs.h++printf '%s\n' "/* confdefs.h */" > confdefs.h++# Predefined preprocessor variables.++printf '%s\n' "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h++printf '%s\n' "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h++printf '%s\n' "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h++printf '%s\n' "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h++printf '%s\n' "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h++printf '%s\n' "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h+++# Let the site file select an alternate cache file if it wants to.+# Prefer an explicitly selected file to automatically selected ones.+if test -n "$CONFIG_SITE"; then+ ac_site_files="$CONFIG_SITE"+elif test "x$prefix" != xNONE; then+ ac_site_files="$prefix/share/config.site $prefix/etc/config.site"+else+ ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"+fi++for ac_site_file in $ac_site_files+do+ case $ac_site_file in #(+ */*) :+ ;; #(+ *) :+ ac_site_file=./$ac_site_file ;;+esac+ if test -f "$ac_site_file" && test -r "$ac_site_file"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5+printf '%s\n' "$as_me: loading site script $ac_site_file" >&6;}+ sed 's/^/| /' "$ac_site_file" >&5+ . "$ac_site_file" \+ || { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+as_fn_error $? "failed to load site script $ac_site_file+See 'config.log' for more details" "$LINENO" 5; }+ fi+done++if test -r "$cache_file"; then+ # Some versions of bash will fail to source /dev/null (special files+ # actually), so we avoid doing that. DJGPP emulates it as a regular file.+ if test /dev/null != "$cache_file" && test -f "$cache_file"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5+printf '%s\n' "$as_me: loading cache $cache_file" >&6;}+ case $cache_file in+ [\\/]* | ?:[\\/]* ) . "$cache_file";;+ *) . "./$cache_file";;+ esac+ fi+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5+printf '%s\n' "$as_me: creating cache $cache_file" >&6;}+ >$cache_file+fi++# Test code for whether the C compiler supports C23 (global declarations)+ac_c_conftest_c23_globals='+/* Does the compiler advertise conformance to C17 or earlier?+ Although GCC 14 does not do that, even with -std=gnu23,+ it is close enough, and defines __STDC_VERSION == 202000L. */+#if !defined __STDC_VERSION__ || __STDC_VERSION__ <= 201710L+# error "Compiler advertises conformance to C17 or earlier"+#endif++// Check alignas.+char alignas (double) c23_aligned_as_double;+char alignas (0) c23_no_special_alignment;+extern char c23_aligned_as_int;+char alignas (0) alignas (int) c23_aligned_as_int;++// Check alignof.+enum+{+ c23_int_alignment = alignof (int),+ c23_int_array_alignment = alignof (int[100]),+ c23_char_alignment = alignof (char)+};+static_assert (0 < -alignof (int), "alignof is signed");++int function_with_unnamed_parameter (int) { return 0; }++void c23_noreturn ();++/* Test parsing of string and char UTF-8 literals (including hex escapes).+ The parens pacify GCC 15. */+bool use_u8 = (!sizeof u8"\xFF") == (!u8'\''x'\'');++bool check_that_bool_works = true | false | !nullptr;+#if !true+# error "true does not work in #if"+#endif+#if false+#elifdef __STDC_VERSION__+#else+# error "#elifdef does not work"+#endif++#ifndef __has_c_attribute+# error "__has_c_attribute not defined"+#endif++#ifndef __has_include+# error "__has_include not defined"+#endif++#define LPAREN() (+#define FORTY_TWO(x) 42+#define VA_OPT_TEST(r, x, ...) __VA_OPT__ (FORTY_TWO r x))+static_assert (VA_OPT_TEST (LPAREN (), 0, <:-) == 42);++static_assert (0b101010 == 42);+static_assert (0B101010 == 42);+static_assert (0xDEAD'\''BEEF == 3'\''735'\''928'\''559);+static_assert (0.500'\''000'\''000 == 0.5);++enum unsignedish : unsigned int { uione = 1 };+static_assert (0 < -uione);++#include <stddef.h>+constexpr nullptr_t null_pointer = nullptr;++static typeof (1 + 1L) two () { return 2; }+static long int three () { return 3; }+'++# Test code for whether the C compiler supports C23 (body of main).+ac_c_conftest_c23_main='+ {+ label_before_declaration:+ int arr[10] = {};+ if (arr[0])+ goto label_before_declaration;+ if (!arr[0])+ goto label_at_end_of_block;+ label_at_end_of_block:+ }+ ok |= !null_pointer;+ ok |= two != three;+'++# Test code for whether the C compiler supports C23 (complete).+ac_c_conftest_c23_program="${ac_c_conftest_c23_globals}++int+main (int, char **)+{+ int ok = 0;+ ${ac_c_conftest_c23_main}+ return ok;+}+"++# Test code for whether the C compiler supports C89 (global declarations)+ac_c_conftest_c89_globals='+/* Do not test the value of __STDC__, because some compilers define it to 0+ or do not define it, while otherwise adequately conforming. */++#include <stddef.h>+#include <stdarg.h>+struct stat;+/* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */+struct buf { int x; };+struct buf * (*rcsopen) (struct buf *, struct stat *, int);+static char *e (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;+}++/* C89 style stringification. */+#define noexpand_stringify(a) #a+const char *stringified = noexpand_stringify(arbitrary+token=sequence);++/* C89 style token pasting. Exercises some of the corner cases that+ e.g. old MSVC gets wrong, but not very hard. */+#define noexpand_concat(a,b) a##b+#define expand_concat(a,b) noexpand_concat(a,b)+extern int vA;+extern int vbee;+#define aye A+#define bee B+int *pvA = &expand_concat(v,aye);+int *pvbee = &noexpand_concat(v,bee);++/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has+ function prototypes and stuff, but not \xHH hex character constants.+ These do not provoke an error unfortunately, instead are silently treated+ as an "x". The following induces an error, until -std is added to get+ proper ANSI mode. Curiously \x00 != x always comes out true, for an+ array size at least. It is necessary to write \x00 == 0 to get something+ that is true only with -std. */+int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];++/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters+ inside strings and character constants. */+#define FOO(x) '\''x'\''+int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];++int test (int i, double x);+struct s1 {int (*f) (int a);};+struct s2 {int (*f) (double a);};+int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),+ int, int);'++# Test code for whether the C compiler supports C89 (body of main).+ac_c_conftest_c89_main='+ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);+'++# Test code for whether the C compiler supports C99 (global declarations)+ac_c_conftest_c99_globals='+/* Does the compiler advertise C99 conformance? */+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L+# error "Compiler does not advertise C99 conformance"+#endif++// See if C++-style comments work.++#include <stdbool.h>+extern int puts (const char *);+extern int printf (const char *, ...);+extern int dprintf (int, const char *, ...);+extern void *malloc (size_t);+extern void free (void *);++// Check varargs macros. These examples are taken from C99 6.10.3.5.+// dprintf is used instead of fprintf to avoid needing to declare+// FILE and stderr, and "aND" is used instead of "and" to work around+// GCC bug 40564 which is irrelevant here.+#define debug(...) dprintf (2, __VA_ARGS__)+#define showlist(...) puts (#__VA_ARGS__)+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))+static void+test_varargs_macros (void)+{+ int x = 1234;+ int y = 5678;+ debug ("Flag");+ debug ("X = %d\n", x);+ showlist (The first, second, aND third items.);+ report (x>y, "x is %d but y is %d", x, y);+}++// Check long long types.+#define BIG64 18446744073709551615ull+#define BIG32 4294967295ul+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)+#if !BIG_OK+ #error "your preprocessor is broken"+#endif+#if BIG_OK+#else+ #error "your preprocessor is broken"+#endif+static long long int bignum = -9223372036854775807LL;+static unsigned long long int ubignum = BIG64;++struct incomplete_array+{+ int datasize;+ double data[];+};++struct named_init {+ int number;+ const wchar_t *name;+ double average;+};++typedef const char *ccp;++static inline int+test_restrict (ccp restrict text)+{+ // Iterate through items via the restricted pointer.+ // Also check for declarations in for loops.+ for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)+ continue;+ return 0;+}++// Check varargs and va_copy.+static bool+test_varargs (const char *format, ...)+{+ va_list args;+ va_start (args, format);+ va_list args_copy;+ va_copy (args_copy, args);++ const char *str = "";+ int number = 0;+ float fnumber = 0;++ while (*format)+ {+ switch (*format++)+ {+ case '\''s'\'': // string+ str = va_arg (args_copy, const char *);+ break;+ case '\''d'\'': // int+ number = va_arg (args_copy, int);+ break;+ case '\''f'\'': // float+ fnumber = va_arg (args_copy, double);+ break;+ default:+ break;+ }+ }+ va_end (args_copy);+ va_end (args);++ return *str && number && fnumber;+}+'++# Test code for whether the C compiler supports C99 (body of main).+ac_c_conftest_c99_main='+ // Check bool.+ _Bool success = false;+ success |= (argc != 0);++ // Check restrict.+ if (test_restrict ("String literal") == 0)+ success = true;+ const char *restrict newvar = "Another string";++ // Check varargs.+ success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);+ test_varargs_macros ();++ // Check flexible array members.+ static struct incomplete_array *volatile incomplete_array_pointer;+ struct incomplete_array *ia = incomplete_array_pointer;+ ia->datasize = 10;+ for (int i = 0; i < ia->datasize; ++i)+ ia->data[i] = i * 1.234;+ // Work around memory leak warnings.+ free (ia);++ // Check named initializers.+ struct named_init ni = {+ .number = 34,+ .name = L"Test wide string",+ .average = 543.34343,+ };++ ni.number = 58;++ // Do not test for VLAs, as some otherwise-conforming compilers lack them.+ // C code should instead use __STDC_NO_VLA__; see Autoconf manual.++ // work around unused variable warnings+ ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''+ || ni.number != 58);+'++# Test code for whether the C compiler supports C11 (global declarations)+ac_c_conftest_c11_globals='+/* Does the compiler advertise C11 conformance? */+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L+# error "Compiler does not advertise C11 conformance"+#endif++// Check _Alignas.+char _Alignas (double) aligned_as_double;+char _Alignas (0) no_special_alignment;+extern char aligned_as_int;+char _Alignas (0) _Alignas (int) aligned_as_int;++// Check _Alignof.+enum+{+ int_alignment = _Alignof (int),+ int_array_alignment = _Alignof (int[100]),+ char_alignment = _Alignof (char)+};+_Static_assert (0 < -_Alignof (int), "_Alignof is signed");++// Check _Noreturn.+int _Noreturn does_not_return (void) { for (;;) continue; }++// Check _Static_assert.+struct test_static_assert+{+ int x;+ _Static_assert (sizeof (int) <= sizeof (long int),+ "_Static_assert does not work in struct");+ long int y;+};++// Check UTF-8 literals.+#define u8 syntax error!+char const utf8_literal[] = u8"happens to be ASCII" "another string";++// Check duplicate typedefs.+typedef long *long_ptr;+typedef long int *long_ptr;+typedef long_ptr long_ptr;++// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.+struct anonymous+{+ union {+ struct { int i; int j; };+ struct { int k; long int l; } w;+ };+ int m;+} v1;+'++# Test code for whether the C compiler supports C11 (body of main).+ac_c_conftest_c11_main='+ _Static_assert ((offsetof (struct anonymous, i)+ == offsetof (struct anonymous, w.k)),+ "Anonymous union alignment botch");+ v1.i = 2;+ v1.w.k = 5;+ ok |= v1.i != 5;+'++# Test code for whether the C compiler supports C11 (complete).+ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}+${ac_c_conftest_c99_globals}+${ac_c_conftest_c11_globals}++int+main (int argc, char **argv)+{+ int ok = 0;+ ${ac_c_conftest_c89_main}+ ${ac_c_conftest_c99_main}+ ${ac_c_conftest_c11_main}+ return ok;+}+"++# Test code for whether the C compiler supports C99 (complete).+ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}+${ac_c_conftest_c99_globals}++int+main (int argc, char **argv)+{+ int ok = 0;+ ${ac_c_conftest_c89_main}+ ${ac_c_conftest_c99_main}+ return ok;+}+"++# Test code for whether the C compiler supports C89 (complete).+ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}++int+main (int argc, char **argv)+{+ int ok = 0;+ ${ac_c_conftest_c89_main}+ return ok;+}+"++as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"+as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"+as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"+as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"+as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"+as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"+as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"+as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"+as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"+# Check that the precious variables saved in the cache have kept the same+# value.+ac_cache_corrupted=false+for ac_var in $ac_precious_vars; do+ eval ac_old_set=\$ac_cv_env_${ac_var}_set+ eval ac_new_set=\$ac_env_${ac_var}_set+ eval ac_old_val=\$ac_cv_env_${ac_var}_value+ eval ac_new_val=\$ac_env_${ac_var}_value+ case $ac_old_set,$ac_new_set in+ set,)+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5+printf '%s\n' "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;}+ ac_cache_corrupted=: ;;+ ,set)+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5+printf '%s\n' "$as_me: error: '$ac_var' was not set in the previous run" >&2;}+ ac_cache_corrupted=: ;;+ ,);;+ *)+ if test "x$ac_old_val" != "x$ac_new_val"; then+ # differences in whitespace do not lead to failure.+ ac_old_val_w=+ for ac_val in x $ac_old_val; do+ ac_old_val_w="$ac_old_val_w $ac_val"+ done+ ac_new_val_w=+ for ac_val in x $ac_new_val; do+ ac_new_val_w="$ac_new_val_w $ac_val"+ done+ if test "$ac_old_val_w" != "$ac_new_val_w"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5+printf '%s\n' "$as_me: error: '$ac_var' has changed since the previous run:" >&2;}+ ac_cache_corrupted=:+ else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5+printf '%s\n' "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;}+ eval $ac_var=\$ac_old_val+ fi+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: former value: '$ac_old_val'" >&5+printf '%s\n' "$as_me: former value: '$ac_old_val'" >&2;}+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: current value: '$ac_new_val'" >&5+printf '%s\n' "$as_me: current value: '$ac_new_val'" >&2;}+ fi;;+ esac+ # Pass precious variables to config.status.+ if test "$ac_new_set" = set; then+ case $ac_new_val in+ *\'*) ac_arg=$ac_var=`printf '%s\n' "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;+ *) ac_arg=$ac_var=$ac_new_val ;;+ esac+ case " $ac_configure_args " in+ *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy.+ *) as_fn_append ac_configure_args " '$ac_arg'" ;;+ esac+ fi+done+if $ac_cache_corrupted; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5+printf '%s\n' "$as_me: error: changes in the environment can compromise the build" >&2;}+ as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file'+ and start over" "$LINENO" 5+fi+## -------------------- ##+## Main body of script. ##+## -------------------- ##+++# Determine whether it's possible to make 'echo' print without a newline.+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed+# for compatibility with existing Makefiles.+ECHO_C= ECHO_N= ECHO_T=+case `echo -n x` in #(((((+-n*)+ case `echo 'xy\c'` in+ *c*) ECHO_T=' ';; # ECHO_T is single tab character.+ xy) ECHO_C='\c';;+ *) echo `echo ksh88 bug on AIX 6.1` > /dev/null+ ECHO_T=' ';;+ esac;;+*)+ ECHO_N='-n';;+esac++ac_ext=c+ac_cpp='$CPP $CPPFLAGS'+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'+ac_compiler_gnu=$ac_cv_c_compiler_gnu+++++++ac_config_headers="$ac_config_headers cbits/config.h"+++++++++++++++ac_ext=c+ac_cpp='$CPP $CPPFLAGS'+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'+ac_compiler_gnu=$ac_cv_c_compiler_gnu+if test -n "$ac_tool_prefix"; then+ # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.+set dummy ${ac_tool_prefix}gcc; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$CC"; then+ ac_cv_prog_CC="$CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ ac_cv_prog_CC="${ac_tool_prefix}gcc"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi ;;+esac+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf '%s\n' "$CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi+++fi+if test -z "$ac_cv_prog_CC"; then+ ac_ct_CC=$CC+ # Extract the first word of "gcc", so it can be a program name with args.+set dummy gcc; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_ac_ct_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$ac_ct_CC"; then+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ ac_cv_prog_ac_ct_CC="gcc"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi ;;+esac+fi+ac_ct_CC=$ac_cv_prog_ac_ct_CC+if test -n "$ac_ct_CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5+printf '%s\n' "$ac_ct_CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi++ if test "x$ac_ct_CC" = x; then+ CC=""+ else+ case $cross_compiling:$ac_tool_warned in+yes:)+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5+printf '%s\n' "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}+ac_tool_warned=yes ;;+esac+ CC=$ac_ct_CC+ fi+else+ CC="$ac_cv_prog_CC"+fi++if test -z "$CC"; then+ if test -n "$ac_tool_prefix"; then+ # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.+set dummy ${ac_tool_prefix}cc; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$CC"; then+ ac_cv_prog_CC="$CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ ac_cv_prog_CC="${ac_tool_prefix}cc"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi ;;+esac+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf '%s\n' "$CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi+++ fi+fi+if test -z "$CC"; then+ # Extract the first word of "cc", so it can be a program name with args.+set dummy cc; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$CC"; then+ ac_cv_prog_CC="$CC" # Let the user override the test.+else+ ac_prog_rejected=no+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then+ ac_prog_rejected=yes+ continue+ fi+ ac_cv_prog_CC="cc"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++if test $ac_prog_rejected = yes; then+ # We found a bogon in the path, so make sure we never use it.+ set dummy $ac_cv_prog_CC+ shift+ if test $# != 0; then+ # We chose a different compiler from the bogus one.+ # However, it has the same basename, so the bogon will be chosen+ # first if we set CC to just the basename; use the full file name.+ shift+ ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"+ fi+fi+fi ;;+esac+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf '%s\n' "$CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi+++fi+if test -z "$CC"; then+ if test -n "$ac_tool_prefix"; then+ for ac_prog in cl.exe+ do+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.+set dummy $ac_tool_prefix$ac_prog; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$CC"; then+ ac_cv_prog_CC="$CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ ac_cv_prog_CC="$ac_tool_prefix$ac_prog"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi ;;+esac+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf '%s\n' "$CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi+++ test -n "$CC" && break+ done+fi+if test -z "$CC"; then+ ac_ct_CC=$CC+ for ac_prog in cl.exe+do+ # Extract the first word of "$ac_prog", so it can be a program name with args.+set dummy $ac_prog; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_ac_ct_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$ac_ct_CC"; then+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ ac_cv_prog_ac_ct_CC="$ac_prog"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi ;;+esac+fi+ac_ct_CC=$ac_cv_prog_ac_ct_CC+if test -n "$ac_ct_CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5+printf '%s\n' "$ac_ct_CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi+++ test -n "$ac_ct_CC" && break+done++ if test "x$ac_ct_CC" = x; then+ CC=""+ else+ case $cross_compiling:$ac_tool_warned in+yes:)+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5+printf '%s\n' "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}+ac_tool_warned=yes ;;+esac+ CC=$ac_ct_CC+ fi+fi++fi+if test -z "$CC"; then+ if test -n "$ac_tool_prefix"; then+ # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.+set dummy ${ac_tool_prefix}clang; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$CC"; then+ ac_cv_prog_CC="$CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ ac_cv_prog_CC="${ac_tool_prefix}clang"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi ;;+esac+fi+CC=$ac_cv_prog_CC+if test -n "$CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5+printf '%s\n' "$CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi+++fi+if test -z "$ac_cv_prog_CC"; then+ ac_ct_CC=$CC+ # Extract the first word of "clang", so it can be a program name with args.+set dummy clang; ac_word=$2+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5+printf %s "checking for $ac_word... " >&6; }+if test ${ac_cv_prog_ac_ct_CC+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) if test -n "$ac_ct_CC"; then+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.+else+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ for ac_exec_ext in '' $ac_executable_extensions; do+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then+ ac_cv_prog_ac_ct_CC="clang"+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5+ break 2+ fi+done+ done+IFS=$as_save_IFS++fi ;;+esac+fi+ac_ct_CC=$ac_cv_prog_ac_ct_CC+if test -n "$ac_ct_CC"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5+printf '%s\n' "$ac_ct_CC" >&6; }+else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+fi++ if test "x$ac_ct_CC" = x; then+ CC=""+ else+ case $cross_compiling:$ac_tool_warned in+yes:)+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5+printf '%s\n' "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}+ac_tool_warned=yes ;;+esac+ CC=$ac_ct_CC+ fi+else+ CC="$ac_cv_prog_CC"+fi++fi+++test -z "$CC" && { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+as_fn_error $? "no acceptable C compiler found in \$PATH+See 'config.log' for more details" "$LINENO" 5; }++# Provide some information about the compiler.+printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5+set X $ac_compile+ac_compiler=$2+for ac_option in --version -v -V -qversion -version; do+ { { ac_try="$ac_compiler $ac_option >&5"+case "(($ac_try" in+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+ *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf '%s\n' "$ac_try_echo"; } >&5+ (eval "$ac_compiler $ac_option >&5") 2>conftest.err+ ac_status=$?+ if test -s conftest.err; then+ sed '10a\+... rest of stderr output deleted ...+ 10q' conftest.err >conftest.er1+ cat conftest.er1 >&5+ fi+ rm -f conftest.er1 conftest.err+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+ test $ac_status = 0; }+done++cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */++int+main (void)+{++ ;+ return 0;+}+_ACEOF+ac_clean_files_save=$ac_clean_files+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"+# Try to create an executable without -o first, disregard a.out.+# It will help us diagnose broken compilers, and finding out an intuition+# of exeext.+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5+printf %s "checking whether the C compiler works... " >&6; }+ac_link_default=`printf '%s\n' "$ac_link" | sed 's/ -o *conftest[^ ]*//'`++# The possible output files:+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"++ac_rmfiles=+for ac_file in $ac_files+do+ case $ac_file in+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;+ * ) ac_rmfiles="$ac_rmfiles $ac_file";;+ esac+done+rm -f $ac_rmfiles++if { { ac_try="$ac_link_default"+case "(($ac_try" in+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+ *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf '%s\n' "$ac_try_echo"; } >&5+ (eval "$ac_link_default") 2>&5+ ac_status=$?+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+ test $ac_status = 0; }+then :+ # Autoconf-2.13 could set the ac_cv_exeext variable to 'no'.+# So ignore a value of 'no', otherwise this would lead to 'EXEEXT = no'+# in a Makefile. We should not override ac_cv_exeext if it was cached,+# so that the user can short-circuit this test for compilers unknown to+# Autoconf.+for ac_file in $ac_files ''+do+ test -f "$ac_file" || continue+ case $ac_file in+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )+ ;;+ [ab].out )+ # We found the default executable, but exeext='' is most+ # certainly right.+ break;;+ *.* )+ if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;+ then :; else+ ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`+ fi+ # We set ac_cv_exeext here because the later test for it is not+ # safe: cross compilers may not add the suffix if given an '-o'+ # argument, so we may need to know it at that point already.+ # Even if this section looks crufty: it has the advantage of+ # actually working.+ break;;+ * )+ break;;+ esac+done+test "$ac_cv_exeext" = no && ac_cv_exeext=++else case e in #(+ e) ac_file='' ;;+esac+fi+if test -z "$ac_file"+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5+printf '%s\n' "no" >&6; }+printf '%s\n' "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++{ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+as_fn_error 77 "C compiler cannot create executables+See 'config.log' for more details" "$LINENO" 5; }+else case e in #(+ e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5+printf '%s\n' "yes" >&6; } ;;+esac+fi+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5+printf %s "checking for C compiler default output file name... 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For instance with Cygwin, 'ls conftest' will+# work properly (i.e., refer to 'conftest.exe'), while it won't with+# 'rm'.+for ac_file in conftest.exe conftest conftest.*; do+ test -f "$ac_file" || continue+ case $ac_file in+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;+ *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`+ break;;+ * ) break;;+ esac+done+else case e in #(+ e) { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+as_fn_error $? "cannot compute suffix of executables: cannot compile and link+See 'config.log' for more details" "$LINENO" 5; } ;;+esac+fi+rm -f conftest conftest$ac_cv_exeext+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5+printf '%s\n' "$ac_cv_exeext" >&6; }++rm -f conftest.$ac_ext+EXEEXT=$ac_cv_exeext+ac_exeext=$EXEEXT+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */+#include <stdio.h>+int+main (void)+{+FILE *f = fopen ("conftest.out", "w");+ if (!f)+ return 1;+ return ferror (f) || fclose (f) != 0;++ ;+ return 0;+}+_ACEOF+ac_clean_files="$ac_clean_files conftest.out"+# Check that the compiler produces executables we can run. If not, either+# the compiler is broken, or we cross compile.+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5+printf %s "checking whether we are cross compiling... " >&6; }+if test "$cross_compiling" != yes; then+ { { ac_try="$ac_link"+case "(($ac_try" in+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+ *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf '%s\n' "$ac_try_echo"; } >&5+ (eval "$ac_link") 2>&5+ ac_status=$?+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+ test $ac_status = 0; }+ if { ac_try='./conftest$ac_cv_exeext'+ { { case "(($ac_try" in+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+ *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf '%s\n' "$ac_try_echo"; } >&5+ (eval "$ac_try") 2>&5+ ac_status=$?+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+ test $ac_status = 0; }; }; then+ cross_compiling=no+ else+ if test "$cross_compiling" = maybe; then+ cross_compiling=yes+ else+ { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+as_fn_error 77 "cannot run C compiled programs.+If you meant to cross compile, use '--host'.+See 'config.log' for more details" "$LINENO" 5; }+ fi+ fi+fi+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5+printf '%s\n' "$cross_compiling" >&6; }++rm -f conftest.$ac_ext conftest$ac_cv_exeext \+ conftest.o conftest.obj conftest.out+ac_clean_files=$ac_clean_files_save+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5+printf %s "checking for suffix of object files... " >&6; }+if test ${ac_cv_objext+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */++int+main (void)+{++ ;+ return 0;+}+_ACEOF+rm -f conftest.o conftest.obj+if { { ac_try="$ac_compile"+case "(($ac_try" in+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;+ *) ac_try_echo=$ac_try;;+esac+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""+printf '%s\n' "$ac_try_echo"; } >&5+ (eval "$ac_compile") 2>&5+ ac_status=$?+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5+ test $ac_status = 0; }+then :+ for ac_file in conftest.o conftest.obj conftest.*; do+ test -f "$ac_file" || continue;+ case $ac_file in+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;+ *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`+ break;;+ esac+done+else case e in #(+ e) printf '%s\n' "$as_me: failed program was:" >&5+sed 's/^/| /' conftest.$ac_ext >&5++{ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+as_fn_error $? "cannot compute suffix of object files: cannot compile+See 'config.log' for more details" "$LINENO" 5; } ;;+esac+fi+rm -f conftest.$ac_cv_objext conftest.$ac_ext ;;+esac+fi+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5+printf '%s\n' "$ac_cv_objext" >&6; }+OBJEXT=$ac_cv_objext+ac_objext=$OBJEXT+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5+printf %s "checking whether the compiler supports GNU C... " >&6; }+if test ${ac_cv_c_compiler_gnu+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */++int+main (void)+{+#ifndef __GNUC__+ choke me+#endif++ ;+ return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+ ac_compiler_gnu=yes+else case e in #(+ e) ac_compiler_gnu=no ;;+esac+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+ac_cv_c_compiler_gnu=$ac_compiler_gnu+ ;;+esac+fi+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5+printf '%s\n' "$ac_cv_c_compiler_gnu" >&6; }+ac_compiler_gnu=$ac_cv_c_compiler_gnu++if test $ac_compiler_gnu = yes; then+ GCC=yes+else+ GCC=+fi+ac_test_CFLAGS=${CFLAGS+y}+ac_save_CFLAGS=$CFLAGS+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5+printf %s "checking whether $CC accepts -g... " >&6; }+if test ${ac_cv_prog_cc_g+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) ac_save_c_werror_flag=$ac_c_werror_flag+ ac_c_werror_flag=yes+ ac_cv_prog_cc_g=no+ CFLAGS="-g"+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */++int+main (void)+{++ ;+ return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+ ac_cv_prog_cc_g=yes+else case e in #(+ e) CFLAGS=""+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */++int+main (void)+{++ ;+ return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :++else case e in #(+ e) ac_c_werror_flag=$ac_save_c_werror_flag+ CFLAGS="-g"+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */++int+main (void)+{++ ;+ return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+ ac_cv_prog_cc_g=yes+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;+esac+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;+esac+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+ ac_c_werror_flag=$ac_save_c_werror_flag ;;+esac+fi+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5+printf '%s\n' "$ac_cv_prog_cc_g" >&6; }+if test $ac_test_CFLAGS; then+ CFLAGS=$ac_save_CFLAGS+elif test $ac_cv_prog_cc_g = yes; then+ if test "$GCC" = yes; then+ CFLAGS="-g -O2"+ else+ CFLAGS="-g"+ fi+else+ if test "$GCC" = yes; then+ CFLAGS="-O2"+ else+ CFLAGS=+ fi+fi+ac_prog_cc_stdc=no+if test x$ac_prog_cc_stdc = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C23 features" >&5+printf %s "checking for $CC option to enable C23 features... " >&6; }+if test ${ac_cv_prog_cc_c23+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) ac_cv_prog_cc_c23=no+ac_save_CC=$CC+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */+$ac_c_conftest_c23_program+_ACEOF+for ac_arg in '' -std=gnu23+do+ CC="$ac_save_CC $ac_arg"+ if ac_fn_c_try_compile "$LINENO"+then :+ ac_cv_prog_cc_c23=$ac_arg+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam+ test "x$ac_cv_prog_cc_c23" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC ;;+esac+fi++if test "x$ac_cv_prog_cc_c23" = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5+printf '%s\n' "unsupported" >&6; }+else case e in #(+ e) if test "x$ac_cv_prog_cc_c23" = x+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5+printf '%s\n' "none needed" >&6; }+else case e in #(+ e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c23" >&5+printf '%s\n' "$ac_cv_prog_cc_c23" >&6; }+ CC="$CC $ac_cv_prog_cc_c23" ;;+esac+fi+ ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c23+ ac_prog_cc_stdc=c23 ;;+esac+fi+fi+if test x$ac_prog_cc_stdc = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5+printf %s "checking for $CC option to enable C11 features... " >&6; }+if test ${ac_cv_prog_cc_c11+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) ac_cv_prog_cc_c11=no+ac_save_CC=$CC+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */+$ac_c_conftest_c11_program+_ACEOF+for ac_arg in '' -std=gnu11 -std:c11+do+ CC="$ac_save_CC $ac_arg"+ if ac_fn_c_try_compile "$LINENO"+then :+ ac_cv_prog_cc_c11=$ac_arg+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam+ test "x$ac_cv_prog_cc_c11" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC ;;+esac+fi++if test "x$ac_cv_prog_cc_c11" = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5+printf '%s\n' "unsupported" >&6; }+else case e in #(+ e) if test "x$ac_cv_prog_cc_c11" = x+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5+printf '%s\n' "none needed" >&6; }+else case e in #(+ e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5+printf '%s\n' "$ac_cv_prog_cc_c11" >&6; }+ CC="$CC $ac_cv_prog_cc_c11" ;;+esac+fi+ ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11+ ac_prog_cc_stdc=c11 ;;+esac+fi+fi+if test x$ac_prog_cc_stdc = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5+printf %s "checking for $CC option to enable C99 features... " >&6; }+if test ${ac_cv_prog_cc_c99+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) ac_cv_prog_cc_c99=no+ac_save_CC=$CC+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */+$ac_c_conftest_c99_program+_ACEOF+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=+do+ CC="$ac_save_CC $ac_arg"+ if ac_fn_c_try_compile "$LINENO"+then :+ ac_cv_prog_cc_c99=$ac_arg+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam+ test "x$ac_cv_prog_cc_c99" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC ;;+esac+fi++if test "x$ac_cv_prog_cc_c99" = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5+printf '%s\n' "unsupported" >&6; }+else case e in #(+ e) if test "x$ac_cv_prog_cc_c99" = x+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5+printf '%s\n' "none needed" >&6; }+else case e in #(+ e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5+printf '%s\n' "$ac_cv_prog_cc_c99" >&6; }+ CC="$CC $ac_cv_prog_cc_c99" ;;+esac+fi+ ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99+ ac_prog_cc_stdc=c99 ;;+esac+fi+fi+if test x$ac_prog_cc_stdc = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5+printf %s "checking for $CC option to enable C89 features... " >&6; }+if test ${ac_cv_prog_cc_c89+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) ac_cv_prog_cc_c89=no+ac_save_CC=$CC+cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */+$ac_c_conftest_c89_program+_ACEOF+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"+do+ CC="$ac_save_CC $ac_arg"+ if ac_fn_c_try_compile "$LINENO"+then :+ ac_cv_prog_cc_c89=$ac_arg+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam+ test "x$ac_cv_prog_cc_c89" != "xno" && break+done+rm -f conftest.$ac_ext+CC=$ac_save_CC ;;+esac+fi++if test "x$ac_cv_prog_cc_c89" = xno+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5+printf '%s\n' "unsupported" >&6; }+else case e in #(+ e) if test "x$ac_cv_prog_cc_c89" = x+then :+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5+printf '%s\n' "none needed" >&6; }+else case e in #(+ e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5+printf '%s\n' "$ac_cv_prog_cc_c89" >&6; }+ CC="$CC $ac_cv_prog_cc_c89" ;;+esac+fi+ ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89+ ac_prog_cc_stdc=c89 ;;+esac+fi+fi++ac_ext=c+ac_cpp='$CPP $CPPFLAGS'+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'+ac_compiler_gnu=$ac_cv_c_compiler_gnu+++ac_header= ac_cache=+for ac_item in $ac_header_c_list+do+ if test $ac_cache; then+ ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"+ if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then+ printf '%s\n' "#define $ac_item 1" >> confdefs.h+ fi+ ac_header= ac_cache=+ elif test $ac_header; then+ ac_cache=$ac_item+ else+ ac_header=$ac_item+ fi+done+++++++++if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes+then :++printf '%s\n' "#define STDC_HEADERS 1" >>confdefs.h++fi+ac_fn_c_check_header_compile "$LINENO" "xlocale.h" "ac_cv_header_xlocale_h" "$ac_includes_default"+if test "x$ac_cv_header_xlocale_h" = xyes+then :+ printf '%s\n' "#define HAVE_XLOCALE_H 1" >>confdefs.h++fi+++ac_fn_c_check_func "$LINENO" "strptime_l" "ac_cv_func_strptime_l"+if test "x$ac_cv_func_strptime_l" = xyes+then :+ printf '%s\n' "#define HAVE_STRPTIME_L 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "strftime_l" "ac_cv_func_strftime_l"+if test "x$ac_cv_func_strftime_l" = xyes+then :+ printf '%s\n' "#define HAVE_STRFTIME_L 1" >>confdefs.h++fi++ac_fn_c_check_member "$LINENO" "struct tm" "tm_gmtoff" "ac_cv_member_struct_tm_tm_gmtoff" "#include <time.h>+"+if test "x$ac_cv_member_struct_tm_tm_gmtoff" = xyes+then :++printf '%s\n' "#define HAVE_STRUCT_TM_TM_GMTOFF 1" >>confdefs.h+++fi+ac_fn_c_check_member "$LINENO" "struct tm" "tm_zone" "ac_cv_member_struct_tm_tm_zone" "#include <time.h>+"+if test "x$ac_cv_member_struct_tm_tm_zone" = xyes+then :++printf '%s\n' "#define HAVE_STRUCT_TM_TM_ZONE 1" >>confdefs.h+++fi++ac_fn_c_check_func "$LINENO" "timegm" "ac_cv_func_timegm"+if test "x$ac_cv_func_timegm" = xyes+then :+ printf '%s\n' "#define HAVE_TIMEGM 1" >>confdefs.h++fi++{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC options to detect undeclared functions" >&5+printf %s "checking for $CC options to detect undeclared functions... " >&6; }+if test ${ac_cv_c_undeclared_builtin_options+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) ac_save_CFLAGS=$CFLAGS+ ac_cv_c_undeclared_builtin_options='cannot detect'+ for ac_arg in '' -fno-builtin; do+ CFLAGS="$ac_save_CFLAGS $ac_arg"+ # This test program should *not* compile successfully.+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */++int+main (void)+{+(void) strchr;+ ;+ return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :++else case e in #(+ e) # This test program should compile successfully.+ # No library function is consistently available on+ # freestanding implementations, so test against a dummy+ # declaration. Include always-available headers on the+ # off chance that they somehow elicit warnings.+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */+#include <float.h>+#include <limits.h>+#include <stdarg.h>+#include <stddef.h>+extern void ac_decl (int, char *);++int+main (void)+{+(void) ac_decl (0, (char *) 0);+ (void) ac_decl;++ ;+ return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+ if test x"$ac_arg" = x+then :+ ac_cv_c_undeclared_builtin_options='none needed'+else case e in #(+ e) ac_cv_c_undeclared_builtin_options=$ac_arg ;;+esac+fi+ break+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;+esac+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+ done+ CFLAGS=$ac_save_CFLAGS+ ;;+esac+fi+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_undeclared_builtin_options" >&5+printf '%s\n' "$ac_cv_c_undeclared_builtin_options" >&6; }+ case $ac_cv_c_undeclared_builtin_options in #(+ 'cannot detect') :+ { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}+as_fn_error $? "cannot make $CC report undeclared builtins+See 'config.log' for more details" "$LINENO" 5; } ;; #(+ 'none needed') :+ ac_c_undeclared_builtin_options='' ;; #(+ *) :+ ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;;+esac++{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC options to ignore future-version functions" >&5+printf %s "checking for $CC options to ignore future-version functions... " >&6; }+if test ${ac_cv_c_future_darwin_options+y}+then :+ printf %s "(cached) " >&6+else case e in #(+ e) ac_compile_saved="$ac_compile"+ ac_compile="$ac_compile -Werror=unguarded-availability-new"+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext+/* end confdefs.h. */+#if ! (defined __APPLE__ && defined __MACH__)+ #error "-Werror=unguarded-availability-new not needed here"+ #endif++int+main (void)+{++ ;+ return 0;+}+_ACEOF+if ac_fn_c_try_compile "$LINENO"+then :+ ac_cv_c_future_darwin_options='-Werror=unguarded-availability-new'+else case e in #(+ e) ac_cv_c_future_darwin_options='none needed' ;;+esac+fi+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext+ ac_compile="$ac_compile_saved"+ ;;+esac+fi+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_future_darwin_options" >&5+printf '%s\n' "$ac_cv_c_future_darwin_options" >&6; }+ case $ac_cv_c_future_darwin_options in #(+ 'none needed') :+ ac_c_future_darwin_options='' ;; #(+ *) :+ ac_c_future_darwin_options=$ac_cv_c_future_darwin_options ;;+esac++ac_fn_check_decl "$LINENO" "_mkgmtime" "ac_cv_have_decl__mkgmtime" "#include <time.h>+" "$ac_c_undeclared_builtin_options$ac_c_future_darwin_options" "CFLAGS"+if test "x$ac_cv_have_decl__mkgmtime" = xyes+then :+ ac_have_decl=1+else case e in #(+ e) ac_have_decl=0 ;;+esac+fi+printf '%s\n' "#define HAVE_DECL__MKGMTIME $ac_have_decl" >>confdefs.h++ac_fn_c_check_func "$LINENO" "_get_current_locale" "ac_cv_func__get_current_locale"+if test "x$ac_cv_func__get_current_locale" = xyes+then :+ printf '%s\n' "#define HAVE__GET_CURRENT_LOCALE 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "_create_locale" "ac_cv_func__create_locale"+if test "x$ac_cv_func__create_locale" = xyes+then :+ printf '%s\n' "#define HAVE__CREATE_LOCALE 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "strtol_l" "ac_cv_func_strtol_l"+if test "x$ac_cv_func_strtol_l" = xyes+then :+ printf '%s\n' "#define HAVE_STRTOL_L 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "strtoll_l" "ac_cv_func_strtoll_l"+if test "x$ac_cv_func_strtoll_l" = xyes+then :+ printf '%s\n' "#define HAVE_STRTOLL_L 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "_isspace_l" "ac_cv_func__isspace_l"+if test "x$ac_cv_func__isspace_l" = xyes+then :+ printf '%s\n' "#define HAVE__ISSPACE_L 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "_isupper_l" "ac_cv_func__isupper_l"+if test "x$ac_cv_func__isupper_l" = xyes+then :+ printf '%s\n' "#define HAVE__ISUPPER_L 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "_isdigit_l" "ac_cv_func__isdigit_l"+if test "x$ac_cv_func__isdigit_l" = xyes+then :+ printf '%s\n' "#define HAVE__ISDIGIT_L 1" >>confdefs.h++fi++ac_fn_c_check_func "$LINENO" "_isblank_l" "ac_cv_func__isblank_l"+if test "x$ac_cv_func__isblank_l" = xyes+then :+ printf '%s\n' "#define HAVE__ISBLANK_L 1" >>confdefs.h++fi+++host=`uname -a`+case $host in+ MINGW??_NT-6.1*)+ NT61=1+ ;;+ *)+ NT61=0+ ;;+esac+++printf '%s\n' "#define IS_NT61 $NT61" >>confdefs.h+++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++ac_cache_dump |+ sed '+ /^ac_cv_env_/b end+ t clear+ :clear+ s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/+ t end+ s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/+ :end' >>confcache+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else+ if test -w "$cache_file"; then+ if test "x$cache_file" != "x/dev/null"; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5+printf '%s\n' "$as_me: updating cache $cache_file" >&6;}+ if test ! -f "$cache_file" || test -h "$cache_file"; then+ cat confcache >"$cache_file"+ else+ case $cache_file in #(+ */* | ?:*)+ mv -f confcache "$cache_file"$$ &&+ mv -f "$cache_file"$$ "$cache_file" ;; #(+ *)+ mv -f confcache "$cache_file" ;;+ esac+ fi+ fi+ else+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5+printf '%s\n' "$as_me: not updating unwritable cache $cache_file" >&6;}+ fi+fi+rm -f confcache++test "x$prefix" = xNONE && prefix=$ac_default_prefix+# Let make expand exec_prefix.+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'++DEFS=-DHAVE_CONFIG_H++ac_libobjs=+ac_ltlibobjs=+U=+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue+ # 1. Remove the extension, and $U if already installed.+ ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'+ ac_i=`printf '%s\n' "$ac_i" | sed "$ac_script"`+ # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR+ # will be set to the directory where LIBOBJS objects are built.+ as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"+ as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'+done+LIBOBJS=$ac_libobjs++LTLIBOBJS=$ac_ltlibobjs++++: "${CONFIG_STATUS=./config.status}"+case $CONFIG_STATUS in #(+ -*) :+ CONFIG_STATUS=./$CONFIG_STATUS ;; #(+ */*) :+ ;; #(+ *) :+ CONFIG_STATUS=./$CONFIG_STATUS ;;+esac++ac_write_fail=0+ac_clean_CONFIG_STATUS='"$CONFIG_STATUS"'+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5+printf '%s\n' "$as_me: creating $CONFIG_STATUS" >&6;}+as_write_fail=0+cat >"$CONFIG_STATUS" <<_ASEOF || as_write_fail=1+#! $SHELL+# Generated by $as_me.+# Run this file to recreate the current configuration.+# Compiler output produced by configure, useful for debugging+# configure, is in config.log if it exists.++debug=false+ac_cs_recheck=false+ac_cs_silent=false++SHELL=\${CONFIG_SHELL-$SHELL}+export SHELL+_ASEOF+cat >>"$CONFIG_STATUS" <<\_ASEOF || as_write_fail=1+## -------------------- ##+## M4sh Initialization. ##+## -------------------- ##++# Be more Bourne compatible+DUALCASE=1; export DUALCASE # for MKS sh+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1+then :+ emulate sh+ NULLCMD=:+ # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which+ # contradicts POSIX and common usage. Disable this.+ alias -g '${1+"$@"}'='"$@"'+ setopt NO_GLOB_SUBST+else case e in #(+ e) case `(set -o) 2>/dev/null` in #(+ *posix*) :+ set -o posix ;; #(+ *) :+ ;;+esac ;;+esac+fi++++# Reset variables that may have inherited troublesome values from+# the environment.++# IFS needs to be set, to space, tab, and newline, in precisely that order.+# (If _AS_PATH_WALK were called with IFS unset, it would have the+# side effect of setting IFS to empty, thus disabling word splitting.)+# Quoting is to prevent editors from complaining about space-tab.+as_nl='+'+export as_nl+IFS=" "" $as_nl"++PS1='$ '+PS2='> '+PS4='+ '++# Ensure predictable behavior from utilities with locale-dependent output.+LC_ALL=C+export LC_ALL+LANGUAGE=C+export LANGUAGE++# We cannot yet rely on "unset" to work, but we need these variables+# to be unset--not just set to an empty or harmless value--now, to+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct+# also avoids known problems related to "unset" and subshell syntax+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH+do eval test \${$as_var+y} \+ && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :+done++# Ensure that fds 0, 1, and 2 are open.+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi+if (exec 3>&2) ; then :; else exec 2>/dev/null; fi++# The user is always right.+if ${PATH_SEPARATOR+false} :; then+ PATH_SEPARATOR=:+ (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {+ (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||+ PATH_SEPARATOR=';'+ }+fi+++# Find who we are. Look in the path if we contain no directory separator.+as_myself=+case $0 in #((+ *[\\/]* ) as_myself=$0 ;;+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR+for as_dir in $PATH+do+ IFS=$as_save_IFS+ case $as_dir in #(((+ '') as_dir=./ ;;+ */) ;;+ *) as_dir=$as_dir/ ;;+ esac+ test -r "$as_dir$0" && as_myself=$as_dir$0 && break+ done+IFS=$as_save_IFS++ ;;+esac+# We did not find ourselves, most probably we were run as 'sh COMMAND'+# in which case we are not to be found in the path.+if test "x$as_myself" = x; then+ as_myself=$0+fi+if test ! -f "$as_myself"; then+ printf '%s\n' "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2+ exit 1+fi++++# as_fn_error STATUS ERROR [LINENO LOG_FD]+# ----------------------------------------+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the+# script with STATUS, using 1 if that was 0.+as_fn_error ()+{+ as_status=$1; test $as_status -eq 0 && as_status=1+ if test "$4"; then+ as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack+ printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: $2" >&$4+ fi+ printf '%s\n' "$as_me: error: $2" >&2+ as_fn_exit $as_status+} # as_fn_error+++# as_fn_set_status STATUS+# -----------------------+# Set $? to STATUS, without forking.+as_fn_set_status ()+{+ return $1+} # as_fn_set_status++# as_fn_exit STATUS+# -----------------+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.+as_fn_exit ()+{+ set +e+ as_fn_set_status $1+ exit $1+} # as_fn_exit++# as_fn_unset VAR+# ---------------+# Portably unset VAR.+as_fn_unset ()+{+ { eval $1=; unset $1;}+}+as_unset=as_fn_unset++# as_fn_append VAR VALUE+# ----------------------+# Append the text in VALUE to the end of the definition contained in VAR. Take+# advantage of any shell optimizations that allow amortized linear growth over+# repeated appends, instead of the typical quadratic growth present in naive+# implementations.+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null+then :+ eval 'as_fn_append ()+ {+ eval $1+=\$2+ }'+else case e in #(+ e) as_fn_append ()+ {+ eval $1=\$$1\$2+ } ;;+esac+fi # as_fn_append++# as_fn_arith ARG...+# ------------------+# Perform arithmetic evaluation on the ARGs, and store the result in the+# global $as_val. Take advantage of shells that can avoid forks. The arguments+# must be portable across $(()) and expr.+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null+then :+ eval 'as_fn_arith ()+ {+ as_val=$(( $* ))+ }'+else case e in #(+ e) as_fn_arith ()+ {+ as_val=`expr "$@" || test $? -eq 1`+ } ;;+esac+fi # as_fn_arith+++if expr a : '\(a\)' >/dev/null 2>&1 &&+ test "X`expr 00001 : '.*\(...\)'`" = X001; then+ as_expr=expr+else+ as_expr=false+fi++if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then+ as_basename=basename+else+ as_basename=false+fi++if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then+ as_dirname=dirname+else+ as_dirname=false+fi++as_me=`$as_basename -- "$0" ||+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \+ X"$0" : 'X\(//\)$' \| \+ X"$0" : 'X\(/\)' \| . 2>/dev/null ||+printf '%s\n' X/"$0" |+ sed '/^.*\/\([^/][^/]*\)\/*$/{+ s//\1/+ q+ }+ /^X\/\(\/\/\)$/{+ s//\1/+ q+ }+ /^X\/\(\/\).*/{+ s//\1/+ q+ }+ s/.*/./; q'`++# Avoid depending upon Character Ranges.+as_cr_letters='abcdefghijklmnopqrstuvwxyz'+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'+as_cr_Letters=$as_cr_letters$as_cr_LETTERS+as_cr_digits='0123456789'+as_cr_alnum=$as_cr_Letters$as_cr_digits++rm -f conf$$ conf$$.exe conf$$.file+if test -d conf$$.dir; then+ rm -f conf$$.dir/conf$$.file+else+ rm -f conf$$.dir+ mkdir conf$$.dir 2>/dev/null+fi+if (echo >conf$$.file) 2>/dev/null; then+ if ln -s conf$$.file conf$$ 2>/dev/null; then+ as_ln_s='ln -s'+ # ... but there are two gotchas:+ # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.+ # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.+ # In both cases, we have to default to 'cp -pR'.+ ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||+ as_ln_s='cp -pR'+ elif ln conf$$.file conf$$ 2>/dev/null; then+ as_ln_s=ln+ else+ as_ln_s='cp -pR'+ fi+else+ as_ln_s='cp -pR'+fi+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file+rmdir conf$$.dir 2>/dev/null+++# as_fn_mkdir_p+# -------------+# Create "$as_dir" as a directory, including parents if necessary.+as_fn_mkdir_p ()+{++ case $as_dir in #(+ -*) as_dir=./$as_dir;;+ esac+ test -d "$as_dir" || eval $as_mkdir_p || {+ as_dirs=+ while :; do+ case $as_dir in #(+ *\'*) as_qdir=`printf '%s\n' "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(+ *) as_qdir=$as_dir;;+ esac+ as_dirs="'$as_qdir' $as_dirs"+ as_dir=`$as_dirname -- "$as_dir" ||+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \+ X"$as_dir" : 'X\(//\)[^/]' \| \+ X"$as_dir" : 'X\(//\)$' \| \+ X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||+printf '%s\n' X"$as_dir" |+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{+ s//\1/+ q+ }+ /^X\(\/\/\)[^/].*/{+ s//\1/+ q+ }+ /^X\(\/\/\)$/{+ s//\1/+ q+ }+ /^X\(\/\).*/{+ s//\1/+ q+ }+ s/.*/./; q'`+ test -d "$as_dir" && break+ done+ test -z "$as_dirs" || eval "mkdir $as_dirs"+ } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"+++} # as_fn_mkdir_p+if mkdir -p . 2>/dev/null; then+ as_mkdir_p='mkdir -p "$as_dir"'+else+ test -d ./-p && rmdir ./-p+ as_mkdir_p=false+fi+++# as_fn_executable_p FILE+# -----------------------+# Test if FILE is an executable regular file.+as_fn_executable_p ()+{+ test -f "$1" && test -x "$1"+} # as_fn_executable_p+as_test_x='test -x'+as_executable_p=as_fn_executable_p++# Sed expression to map a string onto a valid CPP name.+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated++# Sed expression to map a string onto a valid variable name.+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"+as_tr_sh="eval sed '$as_sed_sh'" # deprecated+++exec 6>&1+## ------------------------------------- ##+## Main body of "$CONFIG_STATUS" script. ##+## ------------------------------------- ##+_ASEOF+test $as_write_fail = 0 && chmod +x "$CONFIG_STATUS" || ac_write_fail=1++cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1+# Save the log message, to keep $0 and so on meaningful, and to+# report actual input values of CONFIG_FILES etc. instead of their+# values after options handling.+ac_log="+This file was extended by $as_me, which was+generated by GNU Autoconf 2.73. Invocation command line was++ CONFIG_FILES = $CONFIG_FILES+ CONFIG_HEADERS = $CONFIG_HEADERS+ CONFIG_LINKS = $CONFIG_LINKS+ CONFIG_COMMANDS = $CONFIG_COMMANDS+ $ $0 $@++on `(hostname || uname -n) 2>/dev/null | sed 1q`+"++_ACEOF+++case $ac_config_headers in *"+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;+esac+++cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1+# Files that config.status was made for.+config_headers="$ac_config_headers"++_ACEOF++cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1+ac_cs_usage="\+'$as_me' instantiates files and other configuration actions+from templates according to the current configuration. Unless the files+and actions are specified as TAGs, all are instantiated by default.++Usage: $0 [OPTION]... [TAG]...++ -h, --help print this help, then exit+ -V, --version print version number and configuration settings, then exit+ --config print configuration, then exit+ -q, --quiet, --silent+ do not print progress messages+ -d, --debug don't remove temporary files+ --recheck update $as_me by reconfiguring in the same conditions+ --header=FILE[:TEMPLATE]+ instantiate the configuration header FILE++Configuration headers:+$config_headers++Report bugs to the package provider."++_ACEOF+ac_cs_config=`printf '%s\n' "$ac_configure_args" | sed "$ac_safe_unquote"`+ac_cs_config_escaped=`printf '%s\n' "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1+ac_cs_config='$ac_cs_config_escaped'+ac_cs_version="\\+config.status+configured by $0, generated by GNU Autoconf 2.73,+ with options \\"\$ac_cs_config\\"++Copyright (C) 2026 Free Software Foundation, Inc.+This config.status script is free software; the Free Software Foundation+gives unlimited permission to copy, distribute and modify it."++ac_pwd='$ac_pwd'+srcdir='$srcdir'+test -n "\$AWK" || {+ awk '' </dev/null ||+ as_fn_error \$? "try installing gawk"+ AWK=awk+}+_ACEOF++cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1+# The default lists apply if the user does not specify any file.+ac_need_defaults=:+while test $# != 0+do+ case $1 in+ --*=?*)+ ac_option=`expr "X$1" : 'X\([^=]*\)='`+ ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`+ ac_shift=:+ ;;+ --*=)+ ac_option=`expr "X$1" : 'X\([^=]*\)='`+ ac_optarg=+ ac_shift=:+ ;;+ *)+ ac_option=$1+ ac_optarg=$2+ ac_shift=shift+ ;;+ esac++ case $ac_option in+ # Handling of the options.+ -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)+ ac_cs_recheck=: ;;+ --version | --versio | --versi | --vers | --ver | --ve | --v | -V )+ printf '%s\n' "$ac_cs_version"; exit ;;+ --config | --confi | --conf | --con | --co | --c )+ printf '%s\n' "$ac_cs_config"; exit ;;+ --debug | --debu | --deb | --de | --d | -d )+ debug=: ;;+ --header | --heade | --head | --hea )+ $ac_shift+ case $ac_optarg in+ *\'*) ac_optarg=`printf '%s\n' "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;+ esac+ as_fn_append CONFIG_HEADERS " '$ac_optarg'"+ ac_need_defaults=false;;+ --he | --h)+ # Conflict between --help and --header+ as_fn_error $? "ambiguous option: '$1'+Try '$0 --help' for more information.";;+ --help | --hel | -h )+ printf '%s\n' "$ac_cs_usage"; exit ;;+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \+ | -silent | --silent | --silen | --sile | --sil | --si | --s)+ ac_cs_silent=: ;;++ # This is an error.+ -*) as_fn_error $? "unrecognized option: '$1'+Try '$0 --help' for more information." ;;++ *) as_fn_append ac_config_targets " $1"+ ac_need_defaults=false ;;++ esac+ shift+done++ac_configure_extra_args=++if $ac_cs_silent; then+ exec 6>/dev/null+ ac_configure_extra_args="$ac_configure_extra_args --silent"+fi++_ACEOF+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1+if \$ac_cs_recheck; then+ set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion+ shift+ \printf '%s\n' "running CONFIG_SHELL=$SHELL \$*" >&6+ CONFIG_SHELL='$SHELL'+ export CONFIG_SHELL+ exec "\$@"+fi++_ACEOF+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1+exec 5>>config.log+{+ echo+ sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX+## Running $as_me. ##+_ASBOX+ printf '%s\n' "$ac_log"+} >&5++_ACEOF+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1+_ACEOF++cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1++# Handling of arguments.+for ac_config_target in $ac_config_targets+do+ case $ac_config_target in+ "cbits/config.h") CONFIG_HEADERS="$CONFIG_HEADERS cbits/config.h" ;;++ *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;+ esac+done+++# If the user did not use the arguments to specify the items to instantiate,+# then the envvar interface is used. Set only those that are not.+# We use the long form for the default assignment because of an extremely+# bizarre bug on SunOS 4.1.3.+if $ac_need_defaults; then+ test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers+fi++# Have a temporary directory for convenience. Make it in the build tree+# simply because there is no reason against having it here, and in addition,+# creating and moving files from /tmp can sometimes cause problems.+# Hook for its removal unless debugging.+# Note that there is a small window in which the directory will not be cleaned:+# after its creation but before its name has been assigned to '$tmp'.+$debug ||+{+ tmp= ac_tmp=+ trap 'exit_status=$?+ : "${ac_tmp:=$tmp}"+ { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status+' 0+ trap 'as_fn_exit 1' 1 2 13 15+}+# Create a (secure) tmp directory for tmp files.++{+ tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&+ test -d "$tmp"+} ||+{+ tmp=./conf$$-$RANDOM+ (umask 077 && mkdir "$tmp")+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5+ac_tmp=$tmp++# Set up the scripts for CONFIG_HEADERS section.+# No need to generate them if there are no CONFIG_HEADERS.+# This happens for instance with './config.status Makefile'.+if test -n "$CONFIG_HEADERS"; then+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||+BEGIN {+_ACEOF++# Transform confdefs.h into an awk script 'defines.awk', embedded as+# here-document in config.status, that substitutes the proper values into+# config.h.in to produce config.h.++# Create a delimiter string that does not exist in confdefs.h, to ease+# handling of long lines.+ac_delim='%!_!# '+for ac_last_try in false false :; do+ ac_tt=`sed -n "/$ac_delim/p" confdefs.h`+ if test -z "$ac_tt"; then+ break+ elif $ac_last_try; then+ as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5+ else+ ac_delim="$ac_delim!$ac_delim _$ac_delim!! "+ fi+done++# For the awk script, D is an array of macro values keyed by name,+# likewise P contains macro parameters if any. Preserve backslash+# newline sequences.++ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*+sed -n '+s/.\{148\}/&'"$ac_delim"'/g+t rset+:rset+s/^[ ]*#[ ]*define[ ][ ]*/ /+t def+d+:def+s/\\$//+t bsnl+s/["\\]/\\&/g+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\+D["\1"]=" \3"/p+s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p+d+:bsnl+s/["\\]/\\&/g+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\+D["\1"]=" \3\\\\\\n"\\/p+t cont+s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p+t cont+d+:cont+n+s/.\{148\}/&'"$ac_delim"'/g+t clear+:clear+s/\\$//+t bsnlc+s/["\\]/\\&/g; s/^/"/; s/$/"/p+d+:bsnlc+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p+b cont+' <confdefs.h | sed '+s/'"$ac_delim"'/"\\\+"/g' >>"$CONFIG_STATUS" || ac_write_fail=1++cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1+ for (key in D) D_is_set[key] = 1+ FS = ""+}+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {+ line = \$ 0+ split(line, arg, " ")+ if (arg[1] == "#") {+ defundef = arg[2]+ mac1 = arg[3]+ } else {+ defundef = substr(arg[1], 2)+ mac1 = arg[2]+ }+ split(mac1, mac2, "(") #)+ macro = mac2[1]+ prefix = substr(line, 1, index(line, defundef) - 1)+ if (D_is_set[macro]) {+ suffix = P[macro] D[macro]+ while (suffix ~ /[\t ]$/) {+ suffix = substr(suffix, 1, length(suffix) - 1)+ }+ # Preserve the white space surrounding the "#".+ print prefix "define", macro suffix+ next+ } else {+ # Replace #undef with comments. This is necessary, for example,+ # in the case of _POSIX_SOURCE, which is predefined and required+ # on some systems where configure will not decide to define it.+ if (defundef == "undef") {+ print "/*", prefix defundef, macro, "*/"+ next+ }+ }+}+{ print }+_ACAWK+_ACEOF+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1+ as_fn_error $? "could not setup config headers machinery" "$LINENO" 5+fi # test -n "$CONFIG_HEADERS"+++eval set X " :H $CONFIG_HEADERS "+shift+for ac_tag+do+ case $ac_tag in+ :[FHLC]) ac_mode=$ac_tag; continue;;+ esac+ case $ac_mode$ac_tag in+ :[FHL]*:*);;+ :L* | :C*:*) as_fn_error $? "invalid tag '$ac_tag'" "$LINENO" 5;;+ :[FH]-) ac_tag=-:-;;+ :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;+ esac+ ac_save_IFS=$IFS+ IFS=:+ set x $ac_tag+ IFS=$ac_save_IFS+ shift+ ac_file=$1+ shift++ case $ac_mode in+ :L) ac_source=$1;;+ :[FH])+ ac_file_inputs=+ for ac_f+ do+ case $ac_f in+ -) ac_f="$ac_tmp/stdin";;+ *) # Look for the file first in the build tree, then in the source tree+ # (if the path is not absolute). The absolute path cannot be DOS-style,+ # because $ac_f cannot contain ':'.+ test -f "$ac_f" ||+ case $ac_f in+ [\\/$]*) false;;+ *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;+ esac ||+ as_fn_error 1 "cannot find input file: '$ac_f'" "$LINENO" 5;;+ esac+ case $ac_f in *\'*) ac_f=`printf '%s\n' "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac+ as_fn_append ac_file_inputs " '$ac_f'"+ done++ # Let's still pretend it is 'configure' which instantiates (i.e., don't+ # use $as_me), people would be surprised to read:+ # /* config.h. Generated by config.status. */+ configure_input='Generated from '`+ printf '%s\n' "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'+ `' by configure.'+ if test x"$ac_file" != x-; then+ configure_input="$ac_file. $configure_input"+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5+printf '%s\n' "$as_me: creating $ac_file" >&6;}+ fi+ # Neutralize special characters interpreted by sed in replacement strings.+ case $configure_input in #(+ *\&* | *\|* | *\\* )+ ac_sed_conf_input=`printf '%s\n' "$configure_input" |+ sed 's/[\\\\&|]/\\\\&/g'`;; #(+ *) ac_sed_conf_input=$configure_input;;+ esac++ case $ac_tag in+ *:-:* | *:-) cat >"$ac_tmp/stdin" \+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;+ esac+ ;;+ esac++ ac_dir=`$as_dirname -- "$ac_file" ||+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \+ X"$ac_file" : 'X\(//\)[^/]' \| \+ X"$ac_file" : 'X\(//\)$' \| \+ X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||+printf '%s\n' X"$ac_file" |+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{+ s//\1/+ q+ }+ /^X\(\/\/\)[^/].*/{+ s//\1/+ q+ }+ /^X\(\/\/\)$/{+ s//\1/+ q+ }+ /^X\(\/\).*/{+ s//\1/+ q+ }+ s/.*/./; q'`+ as_dir="$ac_dir"; as_fn_mkdir_p+ ac_builddir=.++case "$ac_dir" in+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;+*)+ ac_dir_suffix=/`printf '%s\n' "$ac_dir" | sed 's|^\.[\\/]||'`+ # A ".." for each directory in $ac_dir_suffix.+ ac_top_builddir_sub=`printf '%s\n' "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`+ case $ac_top_builddir_sub in+ "") ac_top_builddir_sub=. ac_top_build_prefix= ;;+ *) ac_top_build_prefix=$ac_top_builddir_sub/ ;;+ esac ;;+esac+ac_abs_top_builddir=$ac_pwd+ac_abs_builddir=$ac_pwd$ac_dir_suffix+# for backward compatibility:+ac_top_builddir=$ac_top_build_prefix++case $srcdir in+ .) # We are building in place.+ ac_srcdir=.+ ac_top_srcdir=$ac_top_builddir_sub+ ac_abs_top_srcdir=$ac_pwd ;;+ [\\/]* | ?:[\\/]* ) # Absolute name.+ ac_srcdir=$srcdir$ac_dir_suffix;+ ac_top_srcdir=$srcdir+ ac_abs_top_srcdir=$srcdir ;;+ *) # Relative name.+ ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix+ ac_top_srcdir=$ac_top_build_prefix$srcdir+ ac_abs_top_srcdir=$ac_pwd/$srcdir ;;+esac+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix+++ case $ac_mode in++ :H)+ #+ # CONFIG_HEADER+ #+ if test x"$ac_file" != x-; then+ {+ printf '%s\n' "/* $configure_input */" >&1 \+ && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"+ } >"$ac_tmp/config.h" \+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5+ if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5+printf '%s\n' "$as_me: $ac_file is unchanged" >&6;}+ else+ rm -f "$ac_file"+ mv "$ac_tmp/config.h" "$ac_file" \+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5+ fi+ else+ printf '%s\n' "/* $configure_input */" >&1 \+ && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \+ || as_fn_error $? "could not create -" "$LINENO" 5+ fi+ ;;+++ esac++done # for ac_tag+++as_fn_exit 0+_ACEOF+ac_clean_CONFIG_STATUS=++test $ac_write_fail = 0 ||+ as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5+++# configure is writing to config.log, and then calls config.status.+# config.status does its own redirection, appending to config.log.+# Unfortunately, on DOS this fails, as config.log is still kept open+# by configure, so config.status won't be able to write to it; its+# output is simply discarded. So we exec the FD to /dev/null,+# effectively closing config.log, so it can be properly (re)opened and+# appended to by config.status. When coming back to configure, we+# need to make the FD available again.+if test "$no_create" != yes; then+ ac_cs_success=:+ case $CONFIG_STATUS in #(+ -*) :+ ac_no_opts=-- ;; #(+ *) :+ ac_no_opts= ;;+esac+ ac_config_status_args=+ test "$silent" = yes &&+ ac_config_status_args="$ac_config_status_args --quiet"+ exec 5>/dev/null+ $SHELL $ac_no_opts "$CONFIG_STATUS" $ac_config_status_args ||+ ac_cs_success=false+ exec 5>>config.log+ # Use ||, not &&, to avoid exiting from the if with $? = 1, which+ # would make configure fail if this is the last instruction.+ $ac_cs_success || as_fn_exit 1+fi+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5+printf '%s\n' "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}+fi+
configure.ac view
@@ -2,11 +2,13 @@ AC_DISABLE_OPTION_CHECKING -AC_CONFIG_HEADER(cbits/config.h)+AC_CONFIG_HEADERS(cbits/config.h) AC_CHECK_HEADERS(xlocale.h) AC_CHECK_FUNCS(strptime_l)+AC_CHECK_FUNCS(strftime_l)+AC_CHECK_MEMBERS([struct tm.tm_gmtoff, struct tm.tm_zone], [], [], [[#include <time.h>]]) AC_CHECK_FUNCS(timegm) AC_CHECK_DECLS([_mkgmtime], [], [], [[#include <time.h>]]) AC_CHECK_FUNCS(_get_current_locale)@@ -19,17 +21,6 @@ AC_CHECK_FUNCS(_isblank_l) host=`uname -a`-case $host in- Linux*)- LINUX=1- ;;- *)- LINUX=0- ;;-esac--AC_DEFINE_UNQUOTED(IS_LINUX,$LINUX,"Is Linux")- case $host in MINGW??_NT-6.1*) NT61=1
test/UnixTimeSpec.hs view
@@ -8,9 +8,11 @@ import Control.Concurrent (forkIO) import Control.Concurrent.MVar (newEmptyMVar, putMVar, takeMVar)-import Control.Monad (forM_, replicateM)+import Control.Monad (forM_, replicateM, unless)+import Data.Binary (decode, encode) import Data.ByteString (ByteString) import qualified Data.ByteString.Char8 as BS+import qualified Data.ByteString.Lazy as BL import Data.Function (on) import Data.Time import Data.Time.Clock.POSIX (posixSecondsToUTCTime)@@ -18,7 +20,8 @@ import Foreign.Marshal.Alloc (alloca) import Foreign.Ptr (Ptr) import Foreign.Storable (peek, poke)-import System.Environment (lookupEnv)+import System.Environment (lookupEnv, setEnv, unsetEnv)+import System.Info (os) import qualified Language.Haskell.TH as TH (runIO) import Test.Hspec import Test.Hspec.QuickCheck (prop)@@ -42,8 +45,52 @@ } return ut +-- Normalized values only, as created by the library.+instance Arbitrary UnixDiffTime where+ arbitrary =+ microSecondsToUnixDiffTime+ <$> (choose (-10000000000000, 10000000000000) :: Gen Integer)+ spec :: Spec spec = do+ describe "parseUnixTime (DST)" $+ it "takes DST into account" $ unless (os == "mingw32") $ do+ tz0 <- lookupEnv "TZ"+ setEnv "TZ" "EST5EDT"+ let fmt = "%Y-%m-%d %H:%M:%S"+ utSeconds (parseUnixTime fmt "2024-07-01 12:00:00") `shouldBe` 1719849600+ utSeconds (parseUnixTime fmt "2024-01-01 12:00:00") `shouldBe` 1704128400+ maybe (unsetEnv "TZ") (setEnv "TZ") tz0+ -- mktime() calls tzset() to reload TZ.+ utSeconds (parseUnixTime fmt "2000-01-01 00:00:00") `seq` return ()++ describe "parse with %z" $ do+ it "parseUnixTimeGMT honors the offset" $+ parseUnixTimeGMT mailDateFormat "Thu, 01 Jan 1970 09:00:00 +0900"+ `shouldBe` UnixTime 0 0+ it "parseUnixTime honors the offset" $+ parseUnixTime mailDateFormat "Wed, 31 Dec 1969 19:00:00 -0500"+ `shouldBe` UnixTime 0 0++ describe "parseUnixTimeMaybe & parseUnixTimeGMTMaybe" $ do+ it "returns Just on success" $ do+ parseUnixTimeGMTMaybe webDateFormat "Thu, 01 Jan 1970 00:00:00 GMT"+ `shouldBe` Just (UnixTime 0 0)+ parseUnixTimeMaybe mailDateFormat "Thu, 01 Jan 1970 09:00:00 +0900"+ `shouldBe` Just (UnixTime 0 0)+ it "returns Nothing on failure" $ do+ parseUnixTimeGMTMaybe webDateFormat "garbage" `shouldBe` Nothing+ parseUnixTimeMaybe "%Y-%m-%d" "garbage" `shouldBe` Nothing+ it "returns Nothing if the input is not entirely consumed" $+ parseUnixTimeGMTMaybe "%Y-%m-%d" "1970-01-01 junk" `shouldBe` Nothing+ it "returns Nothing for NUL bytes" $+ parseUnixTimeGMTMaybe "%Y-%m-%d" "1970-01-01\0junk" `shouldBe` Nothing++ describe "formatUnixTimeGMT (zone)" $+ it "formats %s and %z in UTC" $+ formatUnixTimeGMT "%s %z %H" (UnixTime 1234567890 0)+ `shouldBe` "1234567890 +0000 23"+ describe "formatUnixTimeGMT (long output)" $ it "does not truncate output longer than the initial buffer" $ do let fmt = BS.concat (replicate 12 "%Y-%m-%d ")@@ -88,6 +135,31 @@ ut1' = addUnixDiffTime ut0 $ diffUnixTime ut1 ut0 in ut0' == ut0 && ut1' == ut1 + describe "UnixDiffTime Num instance" $ do+ let r :: UnixDiffTime -> Rational+ r = toRational+ normalized (UnixDiffTime sec usec) =+ abs usec < 1000000+ && not (sec > 0 && usec < 0)+ && not (sec < 0 && usec > 0)+ same x v = normalized x && r x == v+ prop "+" $ \x y -> same (x + y) (r x + r y)+ prop "-" $ \x y -> same (x - y) (r x - r y)+ prop "*" $ \x y ->+ same (x * y) (fromInteger (truncate (r x * r y * 1000000)) / 1000000)+ prop "negate" $ \x -> same (negate x) (negate (r x))+ prop "abs" $ \x -> same (abs x) (abs (r x))+ prop "signum" $ \x -> same (signum x) (signum (r x))+ prop "compare" $ \x y -> compare x y == compare (r x) (r y)+ prop "diffUnixTime" $ \ut0 ut1 ->+ same (diffUnixTime ut0 ut1) (utR ut0 - utR ut1)++ describe "UnixTime Binary instance" $ do+ prop "decode . encode = id" $ \ut ->+ decode (encode ut) == (ut :: UnixTime)+ it "encodes seconds as Int64" $+ BL.length (encode (UnixTime 0 0)) `shouldBe` 12+ describe "UnixTime Storable instance" $ prop "peek . poke = id" $ \ut -> let pokePeek :: Ptr UnixTime -> IO UnixTime@@ -111,6 +183,9 @@ where zt = utcToZonedTime zone ut fmt = BS.unpack mailDateFormat++utR :: UnixTime -> Rational+utR (UnixTime sec usec) = toRational sec + toRational usec / 1000000 toUTCTime :: UnixTime -> UTCTime toUTCTime = posixSecondsToUTCTime . realToFrac . toEpochTime
unix-time.cabal view
@@ -1,6 +1,6 @@ cabal-version: 1.18 name: unix-time-version: 0.5.1+version: 0.6.0 license: BSD3 license-file: LICENSE maintainer: Kazu Yamamoto <kazu@iij.ad.jp>@@ -45,7 +45,7 @@ include-dirs: cbits ghc-options: -Wall build-depends:- base >=4.4 && <5,+ base >=4.9 && <5, bytestring, binary @@ -72,6 +72,7 @@ ghc-options: -Wall -threaded -with-rtsopts=-N build-depends: base,+ binary, bytestring, QuickCheck, template-haskell,