diff --git a/Data/Floating.hs b/Data/Floating.hs --- a/Data/Floating.hs +++ b/Data/Floating.hs @@ -8,34 +8,42 @@ -- | Top level module for alternative floating point support. module Data.Floating ( - Double, Float, module Data.Floating.Classes, + Double, Float, module Data.Floating, toFloating ) where -import Prelude hiding (RealFloat(..), Double, Float) +import Prelude hiding (RealFloat(..), RealFrac(..), Double, Float) import Data.Floating.Classes import Data.Floating.Instances -import Data.Floating.Double import Data.Floating.Types +import Data.Floating.Types.Double +import Data.Floating.Types.Float +import Data.Floating.Environment import Control.Monad -isInfinite :: RealFloat a => a -> Bool +isInfinite :: PrimFloat a => a -> Bool isInfinite = (== FPInfinite) . classify -isNaN :: RealFloat a => a -> Bool +isNaN :: PrimFloat a => a -> Bool isNaN = (== FPNaN) . classify -isNormal :: RealFloat a => a -> Bool +isNormal :: PrimFloat a => a -> Bool isNormal = (== FPNormal) . classify -isSubNormal :: RealFloat a => a -> Bool +isSubNormal :: PrimFloat a => a -> Bool isSubNormal = (== FPSubNormal) . classify -isFinite :: RealFloat a => a -> Bool +isFinite :: PrimFloat a => a -> Bool isFinite = not . liftM2 (||) isInfinite isNaN -isNegativeZero :: RealFloat a => a -> Bool +isNegativeZero :: PrimFloat a => a -> Bool isNegativeZero = liftM2 (&&) ((== FPZero) . classify) ((== (-1)) . signum) + +-- | @fquotRem x y@ computes the remainder and integral quotient upon division +-- of x by y. The result is (x-n*y, n), where n is the value x/y rounded to +-- the nearest integer. +fquotRem :: RealFloat a => a -> a -> (a, a) +fquotRem x y = (frem x y, nearbyint (x/y)) diff --git a/Data/Floating/CMath.hs b/Data/Floating/CMath.hs --- a/Data/Floating/CMath.hs +++ b/Data/Floating/CMath.hs @@ -10,39 +10,45 @@ {-# LANGUAGE ForeignFunctionInterface #-} module Data.Floating.CMath ( -- * Trigonometric functions - c_acos, c_asin, c_atan, c_atan2, c_cos, c_sin, c_tan, + c_acos, c_acosf, c_asin, c_asinf, c_atan, c_atanf, c_atan2, c_atan2f, + c_cos, c_cosf, c_sin, c_sinf, c_tan, c_tanf, -- * Hyperbolic functions - c_acosh, c_asinh, c_atanh, c_cosh, c_sinh, c_tanh, + c_acosh, c_acoshf, c_asinh, c_asinhf, c_atanh, c_atanhf, c_cosh, c_coshf, + c_sinh, c_sinhf, c_tanh, c_tanhf, -- * Exponential functions - c_exp, c_exp2, c_expm1, c_frexp, c_ilogb, c_ldexp, c_log, c_log10, - c_log1p, c_log2, c_logb, c_modf, c_scalbn, c_scalbln, + c_exp, c_expf, c_exp2, c_exp2f, c_expm1, c_expm1f, c_frexp, c_frexpf, + c_ilogb, c_ilogbf, c_ldexp, c_ldexpf, c_log, c_logf, c_log10, c_log10f, + c_log1p, c_log1pf, c_log2, c_log2f, c_logb, c_logbf, c_modf, c_modff, + c_scalbn, c_scalbnf, c_scalbln, c_scalblnf, -- * Power and absolute value functions - c_cbrt, c_fabs, c_hypot, c_pow, c_sqrt, + c_cbrt, c_cbrtf, c_fabs, c_fabsf, c_hypot, c_hypotf, c_pow, c_powf, c_sqrt, + c_sqrtf, -- * Remainder functions - c_fmod, c_remainder, c_remquo, + c_fmod, c_fmodf, c_remainder, c_remainderf, c_remquo, c_remquof, -- * Manipulation functions - c_copysign, c_nan, c_nextafter, + c_copysign, c_copysignf, c_nan, c_nanf, c_nextafter, c_nextafterf, -- * Error and gamma functions - c_erf, c_erfc, c_lgamma, c_tgamma, + c_erf, c_erff, c_erfc, c_erfcf, c_lgamma, c_lgammaf, c_tgamma, c_tgammaf, -- * Nearest integer functions - c_ceil, c_floor, c_nearbyint, c_rint, c_lrint, c_llrint, c_round, - c_lround, c_llround, c_trunc, + c_ceil, c_ceilf, c_floor, c_floorf, c_nearbyint, c_nearbyintf, c_rint, + c_rintf, c_lrint, c_lrintf, c_llrint, c_llrintf, c_round, c_roundf, + c_lround, c_lroundf, c_llround, c_llroundf, c_trunc, c_truncf, -- * Maximum, minimum, and positive difference functions - c_fdim, c_fmax, c_fmin, + c_fdim, c_fdimf, c_fmax, c_fmaxf, c_fmin, c_fminf, -- * Floating multiply-add - c_fma, + c_fma, c_fmaf, -- * Haskell wrappers - libmDouble, libmDouble2, libmDouble3 + libmDouble, libmFloat, libmDouble2, libmFloat2, libmDouble3, libmFloat3 ) where import Prelude hiding (Double, Float) @@ -54,143 +60,266 @@ libmDouble :: (CDouble -> CDouble) -> Double -> Double libmDouble f a = toFloating $ f (toFloating a) +libmFloat :: (CFloat -> CFloat) -> Float -> Float +libmFloat f a = toFloating $ f (toFloating a) + libmDouble2 :: (CDouble -> CDouble -> CDouble) -> Double -> Double -> Double libmDouble2 f a b = toFloating $ f (toFloating a) (toFloating b) +libmFloat2 :: (CFloat -> CFloat -> CFloat) -> Float -> Float -> Float +libmFloat2 f a b = toFloating $ f (toFloating a) (toFloating b) + libmDouble3 :: (CDouble -> CDouble -> CDouble -> CDouble) -> Double -> Double -> Double -> Double libmDouble3 f a b c = toFloating $ f (toFloating a) (toFloating b) (toFloating c) +libmFloat3 :: (CFloat -> CFloat -> CFloat -> CFloat) + -> Float -> Float -> Float -> Float +libmFloat3 f a b c = toFloating + $ f (toFloating a) (toFloating b) (toFloating c) + -- 7.12.4 Trigonometric functions foreign import ccall unsafe "acos" c_acos :: CDouble -> CDouble +foreign import ccall unsafe "acosf" + c_acosf :: CFloat -> CFloat foreign import ccall unsafe "asin" c_asin :: CDouble -> CDouble +foreign import ccall unsafe "asinf" + c_asinf :: CFloat -> CFloat foreign import ccall unsafe "atan" c_atan :: CDouble -> CDouble +foreign import ccall unsafe "atanf" + c_atanf :: CFloat -> CFloat foreign import ccall unsafe "atan" c_atan2 :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "atanf" + c_atan2f :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "cos" c_cos :: CDouble -> CDouble +foreign import ccall unsafe "cosf" + c_cosf :: CFloat -> CFloat foreign import ccall unsafe "sin" c_sin :: CDouble -> CDouble +foreign import ccall unsafe "sinf" + c_sinf :: CFloat -> CFloat foreign import ccall unsafe "tan" c_tan :: CDouble -> CDouble +foreign import ccall unsafe "tanf" + c_tanf :: CFloat -> CFloat -- 7.12.5 Hyperbolic functions foreign import ccall unsafe "acosh" c_acosh :: CDouble -> CDouble +foreign import ccall unsafe "acoshf" + c_acoshf :: CFloat -> CFloat foreign import ccall unsafe "asinh" c_asinh :: CDouble -> CDouble +foreign import ccall unsafe "asinhf" + c_asinhf :: CFloat -> CFloat foreign import ccall unsafe "atanh" c_atanh :: CDouble -> CDouble +foreign import ccall unsafe "atanhf" + c_atanhf :: CFloat -> CFloat foreign import ccall unsafe "cosh" c_cosh :: CDouble -> CDouble +foreign import ccall unsafe "coshf" + c_coshf :: CFloat -> CFloat foreign import ccall unsafe "sinh" c_sinh :: CDouble -> CDouble +foreign import ccall unsafe "sinhf" + c_sinhf :: CFloat -> CFloat foreign import ccall unsafe "tanh" c_tanh :: CDouble -> CDouble +foreign import ccall unsafe "tanhf" + c_tanhf :: CFloat -> CFloat -- 7.12.6 Exponential functions foreign import ccall unsafe "exp" c_exp :: CDouble -> CDouble +foreign import ccall unsafe "expf" + c_expf :: CFloat -> CFloat foreign import ccall unsafe "exp2" c_exp2 :: CDouble -> CDouble +foreign import ccall unsafe "exp2f" + c_exp2f :: CFloat -> CFloat foreign import ccall unsafe "expm1" c_expm1 :: CDouble -> CDouble +foreign import ccall unsafe "expm1f" + c_expm1f :: CFloat -> CFloat foreign import ccall unsafe "frexp" c_frexp :: CDouble -> Ptr CInt -> IO CDouble +foreign import ccall unsafe "frexpf" + c_frexpf :: CFloat -> Ptr CInt -> IO CFloat foreign import ccall unsafe "ilogb" c_ilogb :: CDouble -> CInt +foreign import ccall unsafe "ilogbf" + c_ilogbf :: CFloat -> CInt foreign import ccall unsafe "ldexp" c_ldexp :: CDouble -> CInt -> CDouble +foreign import ccall unsafe "ldexpf" + c_ldexpf :: CFloat -> CInt -> CFloat foreign import ccall unsafe "log" c_log :: CDouble -> CDouble +foreign import ccall unsafe "logf" + c_logf :: CFloat -> CFloat foreign import ccall unsafe "log10" c_log10 :: CDouble -> CDouble +foreign import ccall unsafe "log10f" + c_log10f :: CFloat -> CFloat foreign import ccall unsafe "log1p" c_log1p :: CDouble -> CDouble +foreign import ccall unsafe "log1pf" + c_log1pf :: CFloat -> CFloat foreign import ccall unsafe "log2" c_log2 :: CDouble -> CDouble +foreign import ccall unsafe "log2f" + c_log2f :: CFloat -> CFloat foreign import ccall unsafe "logb" c_logb :: CDouble -> CDouble +foreign import ccall unsafe "logbf" + c_logbf :: CFloat -> CFloat foreign import ccall unsafe "modf" c_modf :: CDouble -> Ptr CDouble -> IO CDouble +foreign import ccall unsafe "modff" + c_modff :: CFloat -> Ptr CFloat -> IO CFloat foreign import ccall unsafe "scalbn" c_scalbn :: CDouble -> CInt -> CDouble +foreign import ccall unsafe "scalbnf" + c_scalbnf :: CFloat -> CInt -> CFloat foreign import ccall unsafe "scalbln" c_scalbln :: CDouble -> CLong -> CDouble +foreign import ccall unsafe "scalblnf" + c_scalblnf :: CFloat -> CLong -> CFloat -- 7.12.7 Power and absolute value functions foreign import ccall unsafe "cbrt" c_cbrt :: CDouble -> CDouble +foreign import ccall unsafe "cbrtf" + c_cbrtf :: CFloat -> CFloat foreign import ccall unsafe "fabs" c_fabs :: CDouble -> CDouble +foreign import ccall unsafe "fabsf" + c_fabsf :: CFloat -> CFloat foreign import ccall unsafe "hypot" c_hypot :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "hypotf" + c_hypotf :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "pow" c_pow :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "powf" + c_powf :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "sqrt" c_sqrt :: CDouble -> CDouble +foreign import ccall unsafe "sqrtf" + c_sqrtf :: CFloat -> CFloat -- 7.12.8 Error and gamma functions foreign import ccall unsafe "erf" c_erf :: CDouble -> CDouble +foreign import ccall unsafe "erff" + c_erff :: CFloat -> CFloat foreign import ccall unsafe "erfc" c_erfc :: CDouble -> CDouble +foreign import ccall unsafe "erfcf" + c_erfcf :: CFloat -> CFloat foreign import ccall unsafe "lgamma" c_lgamma :: CDouble -> CDouble +foreign import ccall unsafe "lgammaf" + c_lgammaf :: CFloat -> CFloat foreign import ccall unsafe "tgamma" c_tgamma :: CDouble -> CDouble +foreign import ccall unsafe "tgammaf" + c_tgammaf :: CFloat -> CFloat -- 7.12.9 Nearest integer functions foreign import ccall unsafe "ceil" c_ceil :: CDouble -> CDouble +foreign import ccall unsafe "ceilf" + c_ceilf :: CFloat -> CFloat foreign import ccall unsafe "floor" c_floor :: CDouble -> CDouble +foreign import ccall unsafe "floorf" + c_floorf :: CFloat -> CFloat foreign import ccall unsafe "nearbyint" c_nearbyint :: CDouble -> CDouble +foreign import ccall unsafe "nearbyintf" + c_nearbyintf :: CFloat -> CFloat foreign import ccall unsafe "rint" c_rint :: CDouble -> CDouble +foreign import ccall unsafe "rintf" + c_rintf :: CFloat -> CFloat foreign import ccall unsafe "lrint" c_lrint :: CDouble -> CLong +foreign import ccall unsafe "lrintf" + c_lrintf :: CFloat -> CLong foreign import ccall unsafe "llrint" c_llrint :: CDouble -> CLLong +foreign import ccall unsafe "llrintf" + c_llrintf :: CFloat -> CLLong foreign import ccall unsafe "round" c_round :: CDouble -> CDouble +foreign import ccall unsafe "roundf" + c_roundf :: CFloat -> CFloat foreign import ccall unsafe "lround" c_lround :: CDouble -> CLong +foreign import ccall unsafe "lroundf" + c_lroundf :: CFloat -> CLong foreign import ccall unsafe "llround" c_llround :: CDouble -> CLLong +foreign import ccall unsafe "llroundf" + c_llroundf :: CFloat -> CLLong foreign import ccall unsafe "trunc" c_trunc :: CDouble -> CDouble +foreign import ccall unsafe "truncf" + c_truncf :: CFloat -> CFloat -- 7.12.10 Remainder functions foreign import ccall unsafe "fmod" c_fmod :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "fmodf" + c_fmodf :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "remainder" c_remainder :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "remainderf" + c_remainderf :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "remquo" c_remquo :: CDouble -> CDouble -> Ptr CInt -> IO CDouble +foreign import ccall unsafe "remquof" + c_remquof :: CFloat -> CFloat -> Ptr CInt -> IO CFloat -- 7.12.11 Manipulation functions foreign import ccall unsafe "copysign" c_copysign :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "copysignf" + c_copysignf :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "nan" c_nan :: CString -> IO CDouble +foreign import ccall unsafe "nanf" + c_nanf :: CString -> IO CFloat foreign import ccall unsafe "nextafter" c_nextafter :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "nextafterf" + c_nextafterf :: CFloat -> CFloat -> CFloat -- no nexttoward until we have a long double type. -- 7.12.12 Maximum, minimum, and positive difference functions foreign import ccall unsafe "fdim" c_fdim :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "fdimf" + c_fdimf :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "fmax" c_fmax :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "fmaxf" + c_fmaxf :: CFloat -> CFloat -> CFloat foreign import ccall unsafe "fmin" c_fmin :: CDouble -> CDouble -> CDouble +foreign import ccall unsafe "fminf" + c_fminf :: CFloat -> CFloat -> CFloat -- 7.12.13 Floating multiply-add foreign import ccall unsafe "fma" c_fma :: CDouble -> CDouble -> CDouble -> CDouble +foreign import ccall unsafe "fmaf" + c_fmaf :: CFloat -> CFloat -> CFloat -> CFloat diff --git a/Data/Floating/Classes.hs b/Data/Floating/Classes.hs --- a/Data/Floating/Classes.hs +++ b/Data/Floating/Classes.hs @@ -69,26 +69,56 @@ -- -- Minimal complete definition: all except 'pi', 'infinity' and 'nan'. class Floating a => RealFloat a where + -- | Fused multiply-add. fma :: a -> a -> a -> a + -- | @copysign x y@ computes a value with the magnitude of @x@ but the sign + -- of @y@. copysign :: a -> a -> a + -- | @nextafter x y@ computes the next representable value after @x@ in the + -- direction of @y@. nextafter :: a -> a -> a + -- | @atan2 y x@ computes the principal value of the arctangent of @y/x@. + -- The signs of the input determine the quadrant of the result. atan2 :: a -> a -> a + -- | @fmod x y@ computes @x - n*y@, where @n@ is the integral quotient of + -- @x/y@, rounded towards zero. fmod :: a -> a -> a + -- | @frem x y@ computes @x - n*y@, where @n@ is the integral quotient of + -- @x/y@, rounded to the nearest integer, with halfway values rounded to + -- even. frem :: a -> a -> a - fquotRem :: a -> a -> (Int, a) + -- | Euclidean distance function without undue overflow. hypot :: a -> a -> a + -- | Cube root. cbrt :: a -> a + -- | Base-2 exponential function. exp2 :: a -> a + -- | Computes @exp x - 1@ without undue cancellation. expm1 :: a -> a + -- | Base-10 logarithm function. log10 :: a -> a + -- | Computes @log (x + 1)@ without undue cancellation. log1p :: a -> a + -- | Base-2 logarithm function. log2 :: a -> a + -- | Extracts the exponent of a floating point value. If the value is + -- subnormal, the result is as if the value were normalized. logb :: a -> a + -- | Error function. erf :: a -> a + -- | Complementary error function. erfc :: a -> a + -- | Gamma function. + gamma :: a -> a + -- | Log gamma function. lgamma :: a -> a - tgamma :: a -> a - classify :: a -> FPClassification + -- | Round to the nearest integer according to the current rounding + -- direction. The default rounding direction is towards the nearest + -- integer with halfway values rounded to even. If the resulting value + -- differs from the input, the 'Inexact' exception is raised. + rint :: a -> a + -- | Same as 'rint', except that the 'Inexact' exception is not raised. + nearbyint :: a -> a infinity :: a nan :: a pi :: a @@ -96,3 +126,7 @@ infinity = 1/0 nan = 0/0 pi = 4 * atan 1 + +-- | Class for the basic floating point types. +class (Roundable a, RealFloat a) => PrimFloat a where + classify :: a -> FPClassification diff --git a/Data/Floating/Double.hs b/Data/Floating/Double.hs deleted file mode 100644 --- a/Data/Floating/Double.hs +++ /dev/null @@ -1,161 +0,0 @@ -{- - - Copyright (C) 2009-2010 Nick Bowler. - - - - License BSD2: 2-clause BSD license. See LICENSE for full terms. - - This is free software: you are free to change and redistribute it. - - There is NO WARRANTY, to the extent permitted by law. - -} - -{-# LANGUAGE ForeignFunctionInterface, MagicHash, UnboxedTuples #-} -module Data.Floating.Double ( - Double -) where - -import Prelude hiding (Double, Floating(..), RealFloat(..), Ord(..)) -import Control.Applicative -import Control.Monad -import Data.Maybe -import Data.Ratio -import Data.Poset - -import GHC.Exts hiding (Double(..)) -import GHC.Integer -import GHC.Prim - -import Foreign -import Foreign.C -import System.IO.Unsafe - -import Data.Floating.Types -import Data.Floating.Classes -import Data.Floating.CMath - -foreign import ccall unsafe "double_format" - double_format :: CString -> CString -> CDouble -> IO CInt -foreign import ccall unsafe "double_signum" - double_signum :: CDouble -> CDouble -foreign import ccall unsafe "double_classify" - double_classify :: CDouble -> CInt -foreign import ccall unsafe "double_compare" - double_compare :: CDouble -> CDouble -> CInt -foreign import ccall unsafe "strtod" - c_strtod :: CString -> Ptr CString -> IO CDouble - -instance Show Double where - show x = unsafePerformIO . withCString "%a" $ \fmt -> do - size <- double_format nullPtr fmt (toFloating x) - allocaArray0 (fromIntegral size) $ \buf -> do - double_format buf fmt (toFloating x) - peekCString buf - -instance Read Double where - readsPrec _ s = unsafePerformIO . withCString s $ \str -> do - alloca $ \endbuf -> do - val <- toFloating <$> c_strtod str endbuf - end <- peek endbuf - if end == str - then return [] - else peekCString end >>= \rem -> return [(val, rem)] - -instance Eq Double where - D# x == D# y = x ==## y - D# x /= D# y = x /=## y - -instance Num Double where - D# x + D# y = D# (x +## y) - D# x - D# y = D# (x -## y) - D# x * D# y = D# (x *## y) - negate (D# x) = D# (negateDouble# x) - fromInteger = toFloating - signum = libmDouble double_signum - abs = libmDouble c_fabs - -instance Enum Double where - pred x = nextafter x (-infinity) - succ x = nextafter x infinity - toEnum = toFloating - fromEnum = fromJust . toIntegral - -instance Poset Double where - compare a b = toEnum . fromIntegral $ double_compare a' b' where - a' = toFloating a - b' = toFloating b - D# x < D# y = x <## y - D# x <= D# y = x <=## y - D# x >= D# y = x >=## y - D# x > D# y = x >## y - -instance Sortable Double where - isOrdered = not . ((== FPNaN) . classify) - max = libmDouble2 c_fmax - min = libmDouble2 c_fmin - -instance Fractional Double where - (D# x) / (D# y) = D# (x /## y) - fromRational = liftM2 (/) - (fromInteger . numerator) - (fromInteger . denominator) - --- | Internal function which discards the fractional component of a Double. --- The results are meaningful only for finite input. -dropFrac :: Double -> Integer -dropFrac (D# x) - | e >= 0 = s * 2^e - | otherwise = quot s (2^(negate e)) - where - !(# s, e# #) = decodeDoubleInteger x - e = I# e# - -instance Roundable Double where - toIntegral x = case classify x of - FPInfinite -> Nothing - FPNaN -> Nothing - otherwise -> Just . fromInteger . dropFrac $ x - floor = libmDouble c_floor - ceiling = libmDouble c_ceil - truncate = libmDouble c_trunc - round = libmDouble c_round - -instance Floating Double where - (D# x) ** (D# y) = D# (x **## y) - sqrt (D# x) = D# (sqrtDouble# x) - acos (D# x) = D# (acosDouble# x) - asin (D# x) = D# (asinDouble# x) - atan (D# x) = D# (atanDouble# x) - cos (D# x) = D# (cosDouble# x) - sin (D# x) = D# (sinDouble# x) - tan (D# x) = D# (tanDouble# x) - cosh (D# x) = D# (coshDouble# x) - sinh (D# x) = D# (sinhDouble# x) - tanh (D# x) = D# (tanhDouble# x) - exp (D# x) = D# (expDouble# x) - log (D# x) = D# (logDouble# x) - acosh = libmDouble c_acosh - asinh = libmDouble c_asinh - atanh = libmDouble c_atanh - -instance RealFloat Double where - fma = libmDouble3 c_fma - copysign = libmDouble2 c_copysign - nextafter = libmDouble2 c_nextafter - fmod = libmDouble2 c_fmod - frem = libmDouble2 c_remainder - atan2 = libmDouble2 c_atan2 - hypot = libmDouble2 c_hypot - cbrt = libmDouble c_cbrt - exp2 = libmDouble c_exp2 - expm1 = libmDouble c_expm1 - log10 = libmDouble c_log10 - log1p = libmDouble c_log1p - log2 = libmDouble c_log2 - logb = libmDouble c_logb - erf = libmDouble c_erf - erfc = libmDouble c_erfc - lgamma = libmDouble c_lgamma - tgamma = libmDouble c_tgamma - classify = toEnum . fromIntegral . double_classify . toFloating - - fquotRem x y = unsafePerformIO . alloca $ \quotPtr -> do - rem <- c_remquo (toFloating x) (toFloating y) quotPtr - quot <- peek quotPtr - return (fromIntegral quot, toFloating rem) diff --git a/Data/Floating/Environment.hs b/Data/Floating/Environment.hs new file mode 100644 --- /dev/null +++ b/Data/Floating/Environment.hs @@ -0,0 +1,263 @@ +{- + - Copyright (C) 2010 Nick Bowler. + - + - License BSD2: 2-clause BSD license. See LICENSE for full terms. + - This is free software: you are free to change and redistribute it. + - There is NO WARRANTY, to the extent permitted by law. + -} + +-- | Access to the floating point environment. Performing this access within +-- a Haskell program turns out to be extremely problematic, because floating +-- point operations are secretly impure. For example, the innocent-looking +-- function +-- +-- @ (+) :: Double -> Double -> Double@ +-- +-- potentially both depends on and modifies the global floating point +-- environment. +-- +-- This module avoids the referential transparency problems that occur as a +-- result of accessing the floating point environment by restricting when +-- computations which access it are evaluated. There is some minor discipline +-- required of the programmer: she must arrange her code so that pure floating +-- point expressions are not forced during a call to 'fenvEval'. +-- See @fenv-impure.hs@ in the @examples/@ directory of the altfloat +-- distribution for why this discipline is necessary. +-- +-- FEnv instances the numeric classes, so it should be possible to use +-- natural syntax. Note that the operations done on FEnv are stored so that +-- they can be performed later, thus one should be take care not to construct +-- huge thunks when using this interface. +-- +-- This interface has not been tested in multi-threaded programs. It might +-- work: more info is needed about GHC's threading support. +{-# LANGUAGE CPP, ForeignFunctionInterface, ExistentialQuantification #-} +{-# OPTIONS_GHC -I. #-} +module Data.Floating.Environment ( + module Control.Applicative, + + -- * Data types + RoundingMode(..), FloatException(..), FEnvState, FEnv, + + -- * Controlled access to the floating point environment + -- | These functions can still break referential transparency, because it + -- is possible to arrange for a pure floating point expression to be forced + -- during the execution of 'fenvEval'. The easiest way to ensure that this + -- does not happen is to only use such expressions as the argument to + -- 'pure'; never as the argument to 'fmap'. + fenvEval, withRoundingMode, raiseExceptions, fenvTrace, + + -- * Direct access to the floating point environment + -- | Special care must be taken when using these functions. Modifying the + -- floating point environment will affect all floating point computations + -- that have not yet been evaluated. + unsafeSaveEnvironment, unsafeRestoreEnvironment, + unsafeRaiseExceptions, + unsafeSetRoundingMode, getRoundingMode +) where + +#include + +import Prelude hiding (Float, Double, Floating(..), RealFloat(..)) + +import Data.Floating.Classes +import Control.Exception +import Control.Applicative +import Control.Monad + +import System.IO.Unsafe +import Debug.Trace + +import Foreign.C +import Foreign + +foreign import ccall unsafe "set_roundmode" + set_roundmode :: CInt -> IO CInt +foreign import ccall unsafe "get_roundmode" + get_roundmode :: IO CInt + +foreign import ccall unsafe "fegetenv" + c_fegetenv :: Ptr FEnvState -> IO CInt +foreign import ccall unsafe "feholdexcept" + c_feholdexcept :: Ptr FEnvState -> IO CInt +foreign import ccall unsafe "fenv_restore" + fenv_restore :: Ptr FEnvState -> Ptr CUInt -> IO CInt +foreign import ccall unsafe "fenv_raise_excepts" + fenv_raise_excepts :: CUInt -> IO CInt + +data RoundingMode = ToNearest | Upward | Downward | TowardZero + deriving (Show, Read, Enum, Bounded) +data FloatException = DivByZero | Inexact | Invalid | Overflow | Underflow + deriving (Show, Read, Enum, Bounded) + +-- | Opaque type which stores the complete floating point environment. It +-- corresponds to the C type @fenv_t@. +newtype FEnvState = FEnvState (ForeignPtr FEnvState) + +instance Storable FEnvState where + sizeOf = const SIZEOF_FENV_T + alignment = const ALIGNOF_FENV_T + + peek ptr = do + fp <- mallocForeignPtrBytes SIZEOF_FENV_T + withForeignPtr fp (\p -> copyBytes p ptr SIZEOF_FENV_T) + return (FEnvState fp) + poke ptr (FEnvState fp) = do + withForeignPtr fp (\p -> copyBytes ptr p SIZEOF_FENV_T) + +-- | Container for computations which will be run in a modified floating point +-- environment. The FEnv container records all operations for later evaluation +-- by 'fenvEval'. Note that 'pure' is strict in order to force evaluation +-- of floating point values stored in the container. +-- +-- Do not use the 'Eq' or 'Show' instances, they are provided only because Num +-- requires them. +data FEnv a = forall b . FEnv (b -> a) !b + +-- In the following instances, the two FEnv parts must be bashed together +-- exactly once every time the contained value is extracted. Care must be +-- taken to avoid memoization of this result. Interestingly, FEnv is not an +-- instance of Monad: While join (FEnv f x) = f x has the right type, it does +-- not satisfy this important property. + +instance Functor FEnv where + fmap f (FEnv g x) = FEnv (f . g) x + +instance Applicative FEnv where + pure = FEnv id + (FEnv f x) <*> (FEnv g y) = FEnv (\(x',y') -> f x' . g $ y') (x, y) + +-- For hysterical raisins, we need to instance Eq and Show since they are +-- superclasses of Num. +instance Eq a => Eq (FEnv a) where + (==) = error "The Eq instance for FEnv is a lie." +instance Show a => Show (FEnv a) where + show = const "<>" + +instance Num a => Num (FEnv a) where + (+) = liftA2 (+) + (-) = liftA2 (-) + (*) = liftA2 (*) + negate = liftA negate + signum = liftA signum + abs = liftA abs + fromInteger = pure . fromInteger + +instance Fractional a => Fractional (FEnv a) where + (/) = liftA2 (/) + recip = liftA recip + fromRational = pure . fromRational + +instance Floating a => Floating (FEnv a) where + (**) = liftA2 (**) + sqrt = liftA sqrt + acos = liftA acos + asin = liftA asin + atan = liftA atan + cos = liftA cos + sin = liftA sin + tan = liftA tan + cosh = liftA cosh + sinh = liftA sinh + tanh = liftA tanh + exp = liftA exp + log = liftA log + acosh = liftA acosh + asinh = liftA asinh + atanh = liftA atanh + +instance RealFloat a => RealFloat (FEnv a) where + fma = liftA3 fma + copysign = liftA2 copysign + nextafter = liftA2 nextafter + fmod = liftA2 fmod + frem = liftA2 frem + atan2 = liftA2 atan2 + hypot = liftA2 hypot + cbrt = liftA cbrt + exp2 = liftA exp2 + expm1 = liftA expm1 + log10 = liftA log10 + log1p = liftA log1p + log2 = liftA log2 + logb = liftA logb + erf = liftA erf + erfc = liftA erfc + gamma = liftA gamma + lgamma = liftA lgamma + nearbyint = liftA nearbyint + rint = liftA rint + + infinity = pure infinity + nan = pure nan + pi = pure pi + +-- | Saves the current floating point environment and, optionally, clears all +-- floating point exception flags and sets non-stop (continue on exceptions) +-- mode. +unsafeSaveEnvironment :: Bool -> IO FEnvState +unsafeSaveEnvironment reset = alloca $ \env -> do + rc <- saveEnv env + unless (rc == 0) $ fail "Error saving floating point environment." + peek env + where + saveEnv = if reset then c_feholdexcept else c_fegetenv + +-- | Restores a previously-saved floating point environment and returns the +-- list of floating point exceptions that occurred prior to restoring the +-- environment. +unsafeRestoreEnvironment :: FEnvState -> IO [FloatException] +unsafeRestoreEnvironment (FEnvState fp) = alloca $ \pe -> do + rc <- withForeignPtr fp (flip fenv_restore pe) + unless (rc == 0) $ fail "Error restoring floating point environment." + rawExcepts <- peek pe + return $! filter (testBit rawExcepts . fromEnum) [minBound..maxBound] + +-- | Raises the given floating point exceptions. +unsafeRaiseExceptions :: [FloatException] -> IO () +unsafeRaiseExceptions ex = do + rc <- fenv_raise_excepts $ foldr (flip setBit . fromEnum) 0 ex + unless (rc == 0) $ fail "Error raising floating point exceptions." + +unsafeSetRoundingMode :: RoundingMode -> IO () +unsafeSetRoundingMode mode = do + rc <- set_roundmode (fromIntegral (fromEnum mode)) + unless (rc == 0) $ fail "Error setting rounding mode" + +getRoundingMode :: IO RoundingMode +getRoundingMode = do + rc <- get_roundmode + unless (rc >= 0) $ fail "Error getting rounding mode" + return . toEnum . fromIntegral $ rc + +-- | Evaluate an FEnv using a specific rounding mode. Rounding mode selections +-- nest: subcomputations might use another mode. The default rounding mode is +-- unspecified. +withRoundingMode :: RoundingMode -> FEnv a -> FEnv a +withRoundingMode mode (FEnv f x) = FEnv unsafePerformIO $ do + oldMode <- getRoundingMode + unsafeSetRoundingMode mode + rc <- evaluate $ f x + unsafeSetRoundingMode oldMode + return rc + +-- | Raise floating point exceptions as part of an FEnv computation. +raiseExceptions :: [FloatException] -> FEnv a -> FEnv a +raiseExceptions ex = liftA2 seq $ + FEnv unsafePerformIO (unsafeRaiseExceptions ex) + +-- | This function is to help with debugging the floating point environment +-- handling. @fenvTrace msg x@ constructs an FEnv value containing @x@ that +-- prints @msg@ (using 'Debug.Trace.trace') whenever the value is extracted. +fenvTrace :: String -> a -> FEnv a +fenvTrace s = fmap (trace s) . pure + +-- | Runs all the computations which are recorded in an FEnv container. The +-- floating point environment is preserved across this call, and any floating +-- point exceptions which were raised during the computation are returned. +fenvEval :: FEnv a -> IO (a, [FloatException]) +fenvEval (FEnv f x) = do + env <- unsafeSaveEnvironment True + rc <- evaluate $ f x + ex <- unsafeRestoreEnvironment env + return (rc, ex) diff --git a/Data/Floating/Types/Double.hs b/Data/Floating/Types/Double.hs new file mode 100644 --- /dev/null +++ b/Data/Floating/Types/Double.hs @@ -0,0 +1,161 @@ +{- + - Copyright (C) 2009-2010 Nick Bowler. + - + - License BSD2: 2-clause BSD license. See LICENSE for full terms. + - This is free software: you are free to change and redistribute it. + - There is NO WARRANTY, to the extent permitted by law. + -} + +{-# LANGUAGE ForeignFunctionInterface, MagicHash, UnboxedTuples #-} +module Data.Floating.Types.Double ( + Double +) where + +import Prelude hiding (Double, Floating(..), RealFloat(..), Ord(..)) +import Control.Applicative +import Control.Monad +import Data.Maybe +import Data.Ratio +import Data.Poset + +import GHC.Exts hiding (Double(..)) +import GHC.Integer +import GHC.Prim + +import Foreign +import Foreign.C +import System.IO.Unsafe + +import Data.Floating.Types +import Data.Floating.Classes +import Data.Floating.CMath + +foreign import ccall unsafe "double_format" + double_format :: CString -> CChar -> CInt -> CDouble -> IO CInt +foreign import ccall unsafe "double_signum" + double_signum :: CDouble -> CDouble +foreign import ccall unsafe "double_classify" + double_classify :: CDouble -> CInt +foreign import ccall unsafe "double_compare" + double_compare :: CDouble -> CDouble -> CInt +foreign import ccall unsafe "strtod" + c_strtod :: CString -> Ptr CString -> IO CDouble + +instance Show Double where + show x = unsafePerformIO $ do + let format = castCharToCChar 'a' + size <- double_format nullPtr format (-1) (toFloating x) + allocaArray0 (fromIntegral size) $ \buf -> do + double_format buf format (-1) (toFloating x) + peekCString buf + +instance Read Double where + readsPrec _ s = unsafePerformIO . withCString s $ \str -> do + alloca $ \endbuf -> do + val <- toFloating <$> c_strtod str endbuf + end <- peek endbuf + if end == str + then return [] + else peekCString end >>= \rem -> return [(val, rem)] + +instance Eq Double where + D# x == D# y = x ==## y + D# x /= D# y = x /=## y + +instance Num Double where + D# x + D# y = D# (x +## y) + D# x - D# y = D# (x -## y) + D# x * D# y = D# (x *## y) + negate (D# x) = D# (negateDouble# x) + fromInteger = toFloating + signum = libmDouble double_signum + abs = libmDouble c_fabs + +instance Enum Double where + pred x = nextafter x (-infinity) + succ x = nextafter x infinity + toEnum = toFloating + fromEnum = fromJust . toIntegral + +instance Poset Double where + compare a b = toEnum . fromIntegral $ double_compare a' b' where + a' = toFloating a + b' = toFloating b + D# x < D# y = x <## y + D# x <= D# y = x <=## y + D# x >= D# y = x >=## y + D# x > D# y = x >## y + +instance Sortable Double where + isOrdered = not . ((== FPNaN) . classify) + max = libmDouble2 c_fmax + min = libmDouble2 c_fmin + +instance Fractional Double where + (D# x) / (D# y) = D# (x /## y) + fromRational = liftM2 (/) + (fromInteger . numerator) + (fromInteger . denominator) + +-- | Internal function which discards the fractional component of a Double. +-- The results are meaningful only for finite input. +dropFrac :: Double -> Integer +dropFrac (D# x) + | e >= 0 = s * 2^e + | otherwise = quot s (2^(negate e)) + where + !(# s, e# #) = decodeDoubleInteger x + e = I# e# + +instance Roundable Double where + toIntegral x = case classify x of + FPInfinite -> Nothing + FPNaN -> Nothing + otherwise -> Just . fromInteger . dropFrac $ x + floor = libmDouble c_floor + ceiling = libmDouble c_ceil + truncate = libmDouble c_trunc + round = libmDouble c_round + +instance Floating Double where + (D# x) ** (D# y) = D# (x **## y) + sqrt (D# x) = D# (sqrtDouble# x) + acos (D# x) = D# (acosDouble# x) + asin (D# x) = D# (asinDouble# x) + atan (D# x) = D# (atanDouble# x) + cos (D# x) = D# (cosDouble# x) + sin (D# x) = D# (sinDouble# x) + tan (D# x) = D# (tanDouble# x) + cosh (D# x) = D# (coshDouble# x) + sinh (D# x) = D# (sinhDouble# x) + tanh (D# x) = D# (tanhDouble# x) + exp (D# x) = D# (expDouble# x) + log (D# x) = D# (logDouble# x) + acosh = libmDouble c_acosh + asinh = libmDouble c_asinh + atanh = libmDouble c_atanh + +instance RealFloat Double where + fma = libmDouble3 c_fma + copysign = libmDouble2 c_copysign + nextafter = libmDouble2 c_nextafter + fmod = libmDouble2 c_fmod + frem = libmDouble2 c_remainder + atan2 = libmDouble2 c_atan2 + hypot = libmDouble2 c_hypot + cbrt = libmDouble c_cbrt + exp2 = libmDouble c_exp2 + expm1 = libmDouble c_expm1 + log10 = libmDouble c_log10 + log1p = libmDouble c_log1p + log2 = libmDouble c_log2 + logb = libmDouble c_logb + erf = libmDouble c_erf + erfc = libmDouble c_erfc + gamma = libmDouble c_tgamma + lgamma = libmDouble c_lgamma + nearbyint = libmDouble c_nearbyint + rint = libmDouble c_rint + +instance PrimFloat Double where + classify = toEnum . fromIntegral . double_classify . toFloating diff --git a/Data/Floating/Types/Float.hs b/Data/Floating/Types/Float.hs new file mode 100644 --- /dev/null +++ b/Data/Floating/Types/Float.hs @@ -0,0 +1,157 @@ +{- + - Copyright (C) 2010 Nick Bowler. + - + - License BSD2: 2-clause BSD license. See LICENSE for full terms. + - This is free software: you are free to change and redistribute it. + - There is NO WARRANTY, to the extent permitted by law. + -} + +{-# LANGUAGE ForeignFunctionInterface, MagicHash, UnboxedTuples #-} +module Data.Floating.Types.Float ( + Float +) where + +import Prelude hiding (Float, Double, Floating(..), RealFloat(..), Ord(..)) +import Control.Applicative +import Control.Monad +import Data.Maybe +import Data.Ratio +import Data.Poset + +import GHC.Exts hiding (Double(..), Float(..)) +import GHC.Prim + +import Foreign +import Foreign.C +import System.IO.Unsafe + +import Data.Floating.Types +import Data.Floating.Types.Double +import Data.Floating.Classes +import Data.Floating.CMath + +foreign import ccall unsafe "float_signum" + float_signum :: CFloat -> CFloat +foreign import ccall unsafe "float_classify" + float_classify :: CFloat -> CInt +foreign import ccall unsafe "float_compare" + float_compare :: CFloat -> CFloat -> CInt +foreign import ccall unsafe "strtof" + c_strtof :: CString -> Ptr CString -> IO CFloat + +-- No point using a float-specific instance here, as the C code would just +-- promote the float to double anyway. +instance Show Float where + show x = show (toFloating x :: Double) + +instance Read Float where + readsPrec _ s = unsafePerformIO . withCString s $ \str -> do + alloca $ \endbuf -> do + val <- toFloating <$> c_strtof str endbuf + end <- peek endbuf + if end == str + then return [] + else peekCString end >>= \rem -> return [(val, rem)] + +instance Eq Float where + F# x == F# y = x `eqFloat#` y + F# x /= F# y = x `neFloat#` y + +instance Num Float where + F# x + F# y = F# (x `plusFloat#` y) + F# x - F# y = F# (x `minusFloat#` y) + F# x * F# y = F# (x `timesFloat#` y) + negate (F# x) = F# (negateFloat# x) + fromInteger = toFloating + signum = libmFloat float_signum + abs = libmFloat c_fabsf + +instance Enum Float where + pred x = nextafter x (-infinity) + succ x = nextafter x infinity + toEnum = toFloating + fromEnum = fromJust . toIntegral + +instance Poset Float where + compare a b = toEnum . fromIntegral $ float_compare a' b' where + a' = toFloating a + b' = toFloating b + F# x < F# y = x `ltFloat#` y + F# x <= F# y = x `leFloat#` y + F# x >= F# y = x `geFloat#` y + F# x > F# y = x `gtFloat#` y + +instance Sortable Float where + isOrdered = not . ((== FPNaN) . classify) + max = libmFloat2 c_fmaxf + min = libmFloat2 c_fminf + +instance Fractional Float where + (F# x) / (F# y) = F# (x `divideFloat#` y) + fromRational = liftM2 (/) + (fromInteger . numerator) + (fromInteger . denominator) + +-- | Internal function which discards the fractional component of a Float. +-- The results are meaningful only for finite input. +dropFrac :: Float -> Integer +dropFrac (F# x) + | e >= 0 = s * 2^e + | otherwise = quot s (2^(negate e)) + where + !(# s#, e# #) = decodeFloat_Int# x + s = toInteger (I# s#) + e = I# e# + +instance Roundable Float where + toIntegral x = case classify x of + FPInfinite -> Nothing + FPNaN -> Nothing + otherwise -> Just . fromInteger . dropFrac $ x + floor = libmFloat c_floorf + ceiling = libmFloat c_ceilf + truncate = libmFloat c_truncf + round = libmFloat c_roundf + +instance Floating Float where + (F# x) ** (F# y) = F# (x `powerFloat#` y) + sqrt (F# x) = F# (sqrtFloat# x) + acos (F# x) = F# (acosFloat# x) + asin (F# x) = F# (asinFloat# x) + atan (F# x) = F# (atanFloat# x) + cos (F# x) = F# (cosFloat# x) + sin (F# x) = F# (sinFloat# x) + tan (F# x) = F# (tanFloat# x) + cosh (F# x) = F# (coshFloat# x) + sinh (F# x) = F# (sinhFloat# x) + tanh (F# x) = F# (tanhFloat# x) + exp (F# x) = F# (expFloat# x) + log (F# x) = F# (logFloat# x) + acosh = libmFloat c_acoshf + asinh = libmFloat c_asinhf + atanh = libmFloat c_atanhf + +instance RealFloat Float where + fma = libmFloat3 c_fmaf + copysign = libmFloat2 c_copysignf + nextafter = libmFloat2 c_nextafterf + fmod = libmFloat2 c_fmodf + frem = libmFloat2 c_remainderf + atan2 = libmFloat2 c_atan2f + hypot = libmFloat2 c_hypotf + cbrt = libmFloat c_cbrtf + exp2 = libmFloat c_exp2f + expm1 = libmFloat c_expm1f + log10 = libmFloat c_log10f + log1p = libmFloat c_log1pf + log2 = libmFloat c_log2f + logb = libmFloat c_logbf + erf = libmFloat c_erff + erfc = libmFloat c_erfcf + gamma = libmFloat c_tgammaf + lgamma = libmFloat c_lgammaf + nearbyint = libmFloat c_nearbyintf + rint = libmFloat c_rintf + +instance PrimFloat Float where + classify = toEnum . fromIntegral . float_classify . toFloating diff --git a/altfloat.cabal b/altfloat.cabal --- a/altfloat.cabal +++ b/altfloat.cabal @@ -1,5 +1,5 @@ Name: altfloat -Version: 0.2.2 +Version: 0.3 License: OtherLicense License-File: LICENSE Cabal-Version: >= 1.6 @@ -8,9 +8,9 @@ Homepage: http://repo.or.cz/w/altfloat.git Stability: experimental Category: Numerical -Build-Type: Simple +Build-Type: Configure Extra-Source-Files: configure.ac, configure, altfloat.buildinfo.in, cfloat.h - config.h.in + config.h.in examples/*.hs Extra-Tmp-Files: altfloat.buildinfo, config.status config.log, config.cache config.h Synopsis: Alternative floating point support for GHC. @@ -45,9 +45,7 @@ . * There is no mechanism for handling rounding modes or exceptions. . - This package is intended to address all of the above issues, and more. All - are currently addressed except for rounding modes and exceptions. - . + This package is intended to address all of the above issues, and more. Also provided, for convenience, is an alternative to the standard Prelude which includes features from this library and the non-overlapping parts of the standard Prelude. @@ -79,8 +77,10 @@ Data.Floating.CMath, Data.Floating.Classes, Data.Floating.Types, - Data.Floating.Double, + Data.Floating.Types.Double, + Data.Floating.Types.Float, Data.Floating.Prelude, + Data.Floating.Environment, Data.Floating, Data.Poset Other-Modules: diff --git a/c99-compat.c b/c99-compat.c --- a/c99-compat.c +++ b/c99-compat.c @@ -2,7 +2,7 @@ * Simple implementations of some C99 library functions. * Note that the goal of altfloat is not to create a C99 math library: these * functions are intended to just be "good enough" on platforms where they are - * missing. + * missing. They likely do not fully conform to applicable standards. * * Copyright (C) 2010 Nick Bowler. * @@ -38,17 +38,409 @@ #if NEED_LIBM_FMA double fma(double x, double y, double z) { - return x*y + z; + return (long double) x*y + z; } #endif #if NEED_LIBM_REMQUO double remquo(double x, double y, int *quo) { - unsigned tmp = fabs(round(x/y)); + unsigned tmp = fabs(nearbyint(x/y)); int sign = signbit(x/y) ? -1 : 1; *quo = sign * (int)(tmp % (INT_MAX + 1u)); return remainder(x, y); +} +#endif + +/* + * Float-valued functions implemented in terms of double-valued functions. + */ +#if NEED_LIBM_ACOSF +float acosf(float x) +{ + return acos(x); +} +#endif + +#if NEED_LIBM_ASINF +float asinf(float x) +{ + return asin(x); +} +#endif + +#if NEED_LIBM_ATANF +float atanf(float x) +{ + return atan(x); +} +#endif + +#if NEED_LIBM_ATAN2F +float atan2f(float x, float y) +{ + return atan2(x, y); +} +#endif + +#if NEED_LIBM_COSF +float cosf(float x) +{ + return cos(x); +} +#endif + +#if NEED_LIBM_SINF +float sinf(float x) +{ + return sin(x); +} +#endif + +#if NEED_LIBM_TANF +float tanf(float x) +{ + return tan(x); +} +#endif + +#if NEED_LIBM_ACOSHF +float acoshf(float x) +{ + return acosh(x); +} +#endif + +#if NEED_LIBM_ASINHF +float asinhf(float x) +{ + return asinh(x); +} +#endif + +#if NEED_LIBM_ATANHF +float atanhf(float x) +{ + return atanh(x); +} +#endif + +#if NEED_LIBM_COSHF +float coshf(float x) +{ + return cosh(x); +} +#endif + +#if NEED_LIBM_SINHF +float sinhf(float x) +{ + return sinh(x); +} +#endif + +#if NEED_LIBM_TANHF +float tanhf(float x) +{ + return tanh(x); +} +#endif + +#if NEED_LIBM_EXPF +float expf(float x) +{ + return exp(x); +} +#endif + +#if NEED_LIBM_EXP2F +float exp2f(float x) +{ + return exp2(x); +} +#endif + +#if NEED_LIBM_EXPM1F +float expm1f(float x) +{ + return expm1(x); +} +#endif + +#if NEED_LIBM_FREXPF +float frexpf(float x, int *exp) +{ + return frexp(x, exp); +} +#endif + +#if NEED_LIBM_ILOGBF +int ilogbf(float x) +{ + return ilogb(x); +} +#endif + +#if NEED_LIBM_LDEXPF +float ldexpf(float x, int exp) +{ + return ldexp(x, exp); +} +#endif + +#if NEED_LIBM_LOGF +float logf(float x) +{ + return log(x); +} +#endif + +#if NEED_LIBM_LOG10F +float log10f(float x) +{ + return log10(x); +} +#endif + +#if NEED_LIBM_LOG1PF +float log1pf(float x) +{ + return log1p(x); +} +#endif + +#if NEED_LIBM_LOG2F +float log2f(float x) +{ + return log2(x); +} +#endif + +#if NEED_LIBM_LOGBF +float logbf(float x) +{ + return logb(x); +} +#endif + +#if NEED_LIBM_MODFF +float modff(float x, float *iptr) +{ + double tmp, ret; + + ret = modf(x, &tmp); + *iptr = tmp; + return ret; +} +#endif + +#if NEED_LIBM_SCALBNF +float scalbnf(float x, int exp) +{ + return scalbn(x, exp); +} +#endif + +#if NEED_LIBM_SCALBLNF +float scalblnf(float x, long exp) +{ + return scalbln(x, exp); +} +#endif + +#if NEED_LIBM_CBRTF +float cbrtf(float x) +{ + return cbrt(x); +} +#endif + +#if NEED_LIBM_FABSF +float fabsf(float x) +{ + return fabs(x); +} +#endif + +#if NEED_LIBM_HYPOTF +float hypotf(float x, float y) +{ + return hypot(x, y); +} +#endif + +#if NEED_LIBM_POWF +float powf(float x, float y) +{ + return pow(x, y); +} +#endif + +#if NEED_LIBM_SQRTF +float sqrtf(float x) +{ + return sqrt(x); +} +#endif + +#if NEED_LIBM_FMODF +float fmodf(float x, float y) +{ + return fmod(x, y); +} +#endif + +#if NEED_LIBM_REMAINDERF +float remainderf(float x, float y) +{ + return remainder(x, y); +} +#endif + +#if NEED_LIBM_REMQUOF +float remquof(float x, float y, int *quo) +{ + return remquo(x, y, quo); +} +#endif + +#if NEED_LIBM_COPYSIGNF +float copysignf(float x, float y) +{ + return copysign(x, y); +} +#endif + +#if NEED_LIBM_NANF +float nanf(const char *tagp) +{ + return nan(tagp); +} +#endif + +#if NEED_LIBM_ERFF +float erff(float x) +{ + return erf(x); +} +#endif + +#if NEED_LIBM_ERFCF +float erfcf(float x) +{ + return erfc(x); +} +#endif + +#if NEED_LIBM_LGAMMAF +float lgammaf(float x) +{ + return lgamma(x); +} +#endif + +#if NEED_LIBM_TGAMMAF +float tgammaf(float x) +{ + return tgamma(x); +} +#endif + +#if NEED_LIBM_CEILF +float ceilf(float x) +{ + return ceil(x); +} +#endif + +#if NEED_LIBM_FLOORF +float floorf(float x) +{ + return floor(x); +} +#endif + +#if NEED_LIBM_NEARBYINTF +float nearbyintf(float x) +{ + return nearbyint(x); +} +#endif + +#if NEED_LIBM_RINTF +float rintf(float x) +{ + return rint(x); +} +#endif + +#if NEED_LIBM_LRINTF +long lrintf(float x) +{ + return lrint(x); +} +#endif + +#if NEED_LIBM_LLRINTF +long long llrintf(float x) +{ + return llrint(x); +} +#endif + +#if NEED_LIBM_ROUNDF +float roundf(float x) +{ + return round(x); +} +#endif + +#if NEED_LIBM_LROUNDF +long lroundf(float x) +{ + return lround(x); +} +#endif + +#if NEED_LIBM_LLRINTF +long long llroundf(float x) +{ + return llround(x); +} +#endif + +#if NEED_LIBM_TRUNCF +float truncf(float x) +{ + return trunc(x); +} +#endif + +#if NEED_LIBM_FDIMF +float fdimf(float x, float y) +{ + return fdim(x, y); +} +#endif + +#if NEED_LIBM_FMAXF +float fmaxf(float x, float y) +{ + return fmax(x, y); +} +#endif + +#if NEED_LIBM_FMINF +float fminf(float x, float y) +{ + return fmin(x, y); +} +#endif + +#if NEED_LIBM_FMAF +float fmaf(float x, float y, float z) +{ + return fma(x, y, z); } #endif diff --git a/cfloat.c b/cfloat.c --- a/cfloat.c +++ b/cfloat.c @@ -12,14 +12,20 @@ #include #include #include +#include #include "cfloat.h" -int double_format(char *buf, const char *fmt, double val) +#pragma STDC FENV_ACCESS ON + +int double_format(char *buf, char spec, int precision, double val) { + char fmt[] = "%.*f"; + fmt[3] = spec; + if (buf == NULL) - return snprintf(NULL, 0, fmt, val); - return sprintf(buf, fmt, val); + return snprintf(NULL, 0, fmt, precision, val); + return sprintf(buf, fmt, precision, val); } double double_signum(double val) @@ -29,6 +35,13 @@ return 1; } +float float_signum(float val) +{ + if (signbit(val)) + return -1; + return 1; +} + int double_classify(double val) { switch (fpclassify(val)) { @@ -47,6 +60,24 @@ return -1; } +int float_classify(float val) +{ + switch (fpclassify(val)) { + case FP_INFINITE: + return 0; + case FP_NAN: + return 1; + case FP_NORMAL: + return 2; + case FP_SUBNORMAL: + return 3; + case FP_ZERO: + return 4; + } + + return -1; +} + int double_compare(double a, double b) { if (isless(a, b)) @@ -58,4 +89,108 @@ if (isunordered(a, b)) return 3; return -1; +} + +int float_compare(float a, float b) +{ + if (isless(a, b)) + return 0; + if (a == b) + return 1; + if (isgreater(a, b)) + return 2; + if (isunordered(a, b)) + return 3; + return -1; +} + +int set_roundmode(int mode) +{ + int cmode; + + switch (mode) { + case 0: + cmode = FE_TONEAREST; + break; + case 1: + cmode = FE_UPWARD; + break; + case 2: + cmode = FE_DOWNWARD; + break; + case 3: + cmode = FE_TOWARDZERO; + break; + default: + return -1; + } + + return fesetround(cmode); +} + +int get_roundmode(void) +{ + int cmode = fegetround(); + + switch (cmode) { + case FE_TONEAREST: + return 0; + case FE_UPWARD: + return 1; + case FE_DOWNWARD: + return 2; + case FE_TOWARDZERO: + return 3; + default: + return -1; + } +} + +int fenv_restore(fenv_t *env, unsigned *excepts) +{ + int raw_excepts = fetestexcept(FE_ALL_EXCEPT); + + if (excepts) { + *excepts = 0; + +#ifdef FE_DIVBYZERO + if (raw_excepts & FE_DIVBYZERO) *excepts |= 0x01; +#endif +#ifdef FE_INEXACT + if (raw_excepts & FE_INEXACT) *excepts |= 0x02; +#endif +#ifdef FE_INVALID + if (raw_excepts & FE_INVALID) *excepts |= 0x04; +#endif +#ifdef FE_OVERFLOW + if (raw_excepts & FE_OVERFLOW) *excepts |= 0x08; +#endif +#ifdef FE_UNDERFLOW + if (raw_excepts & FE_UNDERFLOW) *excepts |= 0x10; +#endif + } + + return fesetenv(env); +} + +int fenv_raise_excepts(unsigned excepts) +{ + int raw_excepts = 0; + +#ifdef FE_DIVBYZERO + if (excepts & 0x01) raw_excepts |= FE_DIVBYZERO; +#endif +#ifdef FE_INEXACT + if (excepts & 0x02) raw_excepts |= FE_INEXACT; +#endif +#ifdef FE_INVALID + if (excepts & 0x04) raw_excepts |= FE_INVALID; +#endif +#ifdef FE_OVERFLOW + if (excepts & 0x08) raw_excepts |= FE_OVERFLOW; +#endif +#ifdef FE_UNDERFLOW + if (excepts & 0x10) raw_excepts |= FE_UNDERFLOW; +#endif + return feraiseexcept(raw_excepts); } diff --git a/cfloat.h b/cfloat.h --- a/cfloat.h +++ b/cfloat.h @@ -1,9 +1,19 @@ #ifndef CFLOAT_H_ #define CFLOAT_H_ -int double_format(char *buf, const char *fmt, double val); +#include + +int double_format(char *buf, char spec, int precision, double val); double double_signum(double val); +float float_signum(float val); int double_classify(double val); +int float_classify(float val); int double_compare(double a, double b); +int float_compare(float a, float b); + +int set_roundmode(int mode); +int get_roundmode(void); +int fenv_restore(fenv_t *env, unsigned *excepts); +int fenv_raise_excepts(unsigned excepts); #endif diff --git a/config.h.in b/config.h.in --- a/config.h.in +++ b/config.h.in @@ -1,20 +1,188 @@ /* config.h.in. Generated from configure.ac by autoheader. */ +/* The normal alignment of `fenv_t', in bytes. */ +#undef ALIGNOF_FENV_T + +/* Define to 1 if you do not have a working acosf function. */ +#undef NEED_LIBM_ACOSF + +/* Define to 1 if you do not have a working acoshf function. */ +#undef NEED_LIBM_ACOSHF + +/* Define to 1 if you do not have a working asinf function. */ +#undef NEED_LIBM_ASINF + +/* Define to 1 if you do not have a working asinhf function. */ +#undef NEED_LIBM_ASINHF + +/* Define to 1 if you do not have a working atan2f function. */ +#undef NEED_LIBM_ATAN2F + +/* Define to 1 if you do not have a working atanf function. */ +#undef NEED_LIBM_ATANF + +/* Define to 1 if you do not have a working atanhf function. */ +#undef NEED_LIBM_ATANHF + +/* Define to 1 if you do not have a working cbrtf function. */ +#undef NEED_LIBM_CBRTF + +/* Define to 1 if you do not have a working ceilf function. */ +#undef NEED_LIBM_CEILF + +/* Define to 1 if you do not have a working copysignf function. */ +#undef NEED_LIBM_COPYSIGNF + +/* Define to 1 if you do not have a working cosf function. */ +#undef NEED_LIBM_COSF + +/* Define to 1 if you do not have a working coshf function. */ +#undef NEED_LIBM_COSHF + +/* Define to 1 if you do not have a working erfcf function. */ +#undef NEED_LIBM_ERFCF + +/* Define to 1 if you do not have a working erff function. */ +#undef NEED_LIBM_ERFF + /* Define to 1 if you do not have a working exp2 function. */ #undef NEED_LIBM_EXP2 +/* Define to 1 if you do not have a working exp2f function. */ +#undef NEED_LIBM_EXP2F + +/* Define to 1 if you do not have a working expf function. */ +#undef NEED_LIBM_EXPF + +/* Define to 1 if you do not have a working expm1f function. */ +#undef NEED_LIBM_EXPM1F + +/* Define to 1 if you do not have a working fabsf function. */ +#undef NEED_LIBM_FABSF + +/* Define to 1 if you do not have a working fdimf function. */ +#undef NEED_LIBM_FDIMF + +/* Define to 1 if you do not have a working floorf function. */ +#undef NEED_LIBM_FLOORF + /* Define to 1 if you do not have a working fma function. */ #undef NEED_LIBM_FMA +/* Define to 1 if you do not have a working fmaf function. */ +#undef NEED_LIBM_FMAF + +/* Define to 1 if you do not have a working fmaxf function. */ +#undef NEED_LIBM_FMAXF + +/* Define to 1 if you do not have a working fminf function. */ +#undef NEED_LIBM_FMINF + +/* Define to 1 if you do not have a working fmodf function. */ +#undef NEED_LIBM_FMODF + +/* Define to 1 if you do not have a working frexpf function. */ +#undef NEED_LIBM_FREXPF + +/* Define to 1 if you do not have a working hypotf function. */ +#undef NEED_LIBM_HYPOTF + +/* Define to 1 if you do not have a working ilogbf function. */ +#undef NEED_LIBM_ILOGBF + +/* Define to 1 if you do not have a working ldexpf function. */ +#undef NEED_LIBM_LDEXPF + +/* Define to 1 if you do not have a working lgammaf function. */ +#undef NEED_LIBM_LGAMMAF + +/* Define to 1 if you do not have a working llrintf function. */ +#undef NEED_LIBM_LLRINTF + +/* Define to 1 if you do not have a working llroundf function. */ +#undef NEED_LIBM_LLROUNDF + +/* Define to 1 if you do not have a working log10f function. */ +#undef NEED_LIBM_LOG10F + +/* Define to 1 if you do not have a working log1pf function. */ +#undef NEED_LIBM_LOG1PF + /* Define to 1 if you do not have a working log2 function. */ #undef NEED_LIBM_LOG2 +/* Define to 1 if you do not have a working log2f function. */ +#undef NEED_LIBM_LOG2F + +/* Define to 1 if you do not have a working logbf function. */ +#undef NEED_LIBM_LOGBF + +/* Define to 1 if you do not have a working logf function. */ +#undef NEED_LIBM_LOGF + +/* Define to 1 if you do not have a working lrintf function. */ +#undef NEED_LIBM_LRINTF + +/* Define to 1 if you do not have a working lroundf function. */ +#undef NEED_LIBM_LROUNDF + +/* Define to 1 if you do not have a working modff function. */ +#undef NEED_LIBM_MODFF + /* Define to 1 if you do not have a working nan function. */ #undef NEED_LIBM_NAN +/* Define to 1 if you do not have a working nanf function. */ +#undef NEED_LIBM_NANF + +/* Define to 1 if you do not have a working nearbyintf function. */ +#undef NEED_LIBM_NEARBYINTF + +/* Define to 1 if you do not have a working powf function. */ +#undef NEED_LIBM_POWF + +/* Define to 1 if you do not have a working remainderf function. */ +#undef NEED_LIBM_REMAINDERF + /* Define to 1 if you do not have a working remquo function. */ #undef NEED_LIBM_REMQUO +/* Define to 1 if you do not have a working remquof function. */ +#undef NEED_LIBM_REMQUOF + +/* Define to 1 if you do not have a working rintf function. */ +#undef NEED_LIBM_RINTF + +/* Define to 1 if you do not have a working roundf function. */ +#undef NEED_LIBM_ROUNDF + +/* Define to 1 if you do not have a working scalblnf function. */ +#undef NEED_LIBM_SCALBLNF + +/* Define to 1 if you do not have a working scalbnf function. */ +#undef NEED_LIBM_SCALBNF + +/* Define to 1 if you do not have a working sinf function. */ +#undef NEED_LIBM_SINF + +/* Define to 1 if you do not have a working sinhf function. */ +#undef NEED_LIBM_SINHF + +/* Define to 1 if you do not have a working sqrtf function. */ +#undef NEED_LIBM_SQRTF + +/* Define to 1 if you do not have a working tanf function. */ +#undef NEED_LIBM_TANF + +/* Define to 1 if you do not have a working tanhf function. */ +#undef NEED_LIBM_TANHF + +/* Define to 1 if you do not have a working tgammaf function. */ +#undef NEED_LIBM_TGAMMAF + +/* Define to 1 if you do not have a working truncf function. */ +#undef NEED_LIBM_TRUNCF + /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT @@ -32,3 +200,6 @@ /* Define to the version of this package. */ #undef PACKAGE_VERSION + +/* The size of `fenv_t', as computed by sizeof. */ +#undef SIZEOF_FENV_T diff --git a/configure b/configure --- a/configure +++ b/configure @@ -1,3619 +1,7221 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.65 for altfloat 0.2.2. -# -# Report bugs to . -# -# -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, -# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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. Disable this feature. - alias -g '${1+"$@"}'='"$@"' - setopt NO_GLOB_SUBST -else - case `(set -o) 2>/dev/null` in #( - *posix*) : - set -o posix ;; #( - *) : - ;; -esac -fi - - -as_nl=' -' -export as_nl -# Printing a long string crashes Solaris 7 /usr/bin/printf. -as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' -as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo -as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo -# Prefer a ksh shell builtin over an external printf program on Solaris, -# but without wasting forks for bash or zsh. -if test -z "$BASH_VERSION$ZSH_VERSION" \ - && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then - as_echo='print -r --' - as_echo_n='print -rn --' -elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then - as_echo='printf %s\n' - as_echo_n='printf %s' -else - if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then - as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' - as_echo_n='/usr/ucb/echo -n' - else - as_echo_body='eval expr "X$1" : "X\\(.*\\)"' - as_echo_n_body='eval - arg=$1; - case $arg in #( - *"$as_nl"*) - expr "X$arg" : "X\\(.*\\)$as_nl"; - arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; - esac; - expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" - ' - export as_echo_n_body - as_echo_n='sh -c $as_echo_n_body as_echo' - fi - export as_echo_body - as_echo='sh -c $as_echo_body as_echo' -fi - -# The user is always right. -if test "${PATH_SEPARATOR+set}" != set; 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 - - -# IFS -# We need space, tab and new line, in precisely that order. Quoting is -# there to prevent editors from complaining about space-tab. -# (If _AS_PATH_WALK were called with IFS unset, it would disable word -# splitting by setting IFS to empty value.) -IFS=" "" $as_nl" - -# Find who we are. Look in the path if we contain no directory separator. -case $0 in #(( - *[\\/]* ) as_myself=$0 ;; - *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break - done -IFS=$as_save_IFS - - ;; -esac -# We did not find ourselves, most probably we were run as `sh COMMAND' -# in which case we are not to be found in the path. -if test "x$as_myself" = x; then - as_myself=$0 -fi -if test ! -f "$as_myself"; then - $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 - exit 1 -fi - -# Unset variables that we do not need and which cause bugs (e.g. in -# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" -# suppresses any "Segmentation fault" message there. '((' could -# trigger a bug in pdksh 5.2.14. -for as_var in BASH_ENV ENV MAIL MAILPATH -do eval test x\${$as_var+set} = xset \ - && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : -done -PS1='$ ' -PS2='> ' -PS4='+ ' - -# NLS nuisances. -LC_ALL=C -export LC_ALL -LANGUAGE=C -export LANGUAGE - -# CDPATH. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - -if test "x$CONFIG_SHELL" = x; then - as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : - emulate sh - NULLCMD=: - # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which - # is contrary to our usage. Disable this feature. - alias -g '\${1+\"\$@\"}'='\"\$@\"' - setopt NO_GLOB_SUBST -else - case \`(set -o) 2>/dev/null\` in #( - *posix*) : - set -o posix ;; #( - *) : - ;; -esac -fi -" - as_required="as_fn_return () { (exit \$1); } -as_fn_success () { as_fn_return 0; } -as_fn_failure () { as_fn_return 1; } -as_fn_ret_success () { return 0; } -as_fn_ret_failure () { return 1; } - -exitcode=0 -as_fn_success || { exitcode=1; echo as_fn_success failed.; } -as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } -as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } -as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } -if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : - -else - exitcode=1; echo positional parameters were not saved. -fi -test x\$exitcode = x0 || exit 1" - as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO - as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO - eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && - test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1" - if (eval "$as_required") 2>/dev/null; then : - as_have_required=yes -else - as_have_required=no -fi - if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : - -else - as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -as_found=false -for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - as_found=: - case $as_dir in #( - /*) - for as_base in sh bash ksh sh5; do - # Try only shells that exist, to save several forks. - as_shell=$as_dir/$as_base - if { test -f "$as_shell" || test -f "$as_shell.exe"; } && - { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : - CONFIG_SHELL=$as_shell as_have_required=yes - if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : - break 2 -fi -fi - done;; - esac - as_found=false -done -$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && - { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : - CONFIG_SHELL=$SHELL as_have_required=yes -fi; } -IFS=$as_save_IFS - - - if test "x$CONFIG_SHELL" != x; then : - # We cannot yet assume a decent shell, so we have to provide a - # neutralization value for shells without unset; and this also - # works around shells that cannot unset nonexistent variables. - BASH_ENV=/dev/null - ENV=/dev/null - (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV - export CONFIG_SHELL - exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"} -fi - - if test x$as_have_required = xno; then : - $as_echo "$0: This script requires a shell more modern than all" - $as_echo "$0: the shells that I found on your system." - if test x${ZSH_VERSION+set} = xset ; then - $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" - $as_echo "$0: be upgraded to zsh 4.3.4 or later." - else - $as_echo "$0: Please tell bug-autoconf@gnu.org and nbowler@draconx.ca -$0: about your system, including any error possibly output -$0: before this message. Then install a modern shell, or -$0: manually run the script under such a shell if you do -$0: have one." - fi - exit 1 -fi -fi -fi -SHELL=${CONFIG_SHELL-/bin/sh} -export SHELL -# Unset more variables known to interfere with behavior of common tools. -CLICOLOR_FORCE= GREP_OPTIONS= -unset CLICOLOR_FORCE GREP_OPTIONS - -## --------------------- ## -## M4sh Shell Functions. ## -## --------------------- ## -# as_fn_unset VAR -# --------------- -# Portably unset VAR. -as_fn_unset () -{ - { eval $1=; unset $1;} -} -as_unset=as_fn_unset - -# 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 $1 -} # as_fn_exit - -# as_fn_mkdir_p -# ------------- -# Create "$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 $as_dir in #( - *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( - *) as_qdir=$as_dir;; - esac - as_dirs="'$as_qdir' $as_dirs" - as_dir=`$as_dirname -- "$as_dir" || -$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ - X"$as_dir" : 'X\(//\)[^/]' \| \ - X"$as_dir" : 'X\(//\)$' \| \ - X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || -$as_echo X"$as_dir" | - sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ - s//\1/ - q - } - /^X\(\/\/\)[^/].*/{ - s//\1/ - q - } - /^X\(\/\/\)$/{ - s//\1/ - q - } - /^X\(\/\).*/{ - s//\1/ - q - } - s/.*/./; q'` - test -d "$as_dir" && break - done - test -z "$as_dirs" || eval "mkdir $as_dirs" - } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir" - - -} # as_fn_mkdir_p -# as_fn_append VAR VALUE -# ---------------------- -# Append the text in VALUE to the end of the definition contained in VAR. Take -# advantage of any shell optimizations that allow amortized linear growth over -# repeated appends, instead of the typical quadratic growth present in naive -# implementations. -if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : - eval 'as_fn_append () - { - eval $1+=\$2 - }' -else - as_fn_append () - { - eval $1=\$$1\$2 - } -fi # as_fn_append - -# as_fn_arith ARG... -# ------------------ -# Perform arithmetic evaluation on the ARGs, and store the result in the -# global $as_val. Take advantage of shells that can avoid forks. The arguments -# must be portable across $(()) and expr. -if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : - eval 'as_fn_arith () - { - as_val=$(( $* )) - }' -else - as_fn_arith () - { - as_val=`expr "$@" || test $? -eq 1` - } -fi # as_fn_arith - - -# as_fn_error 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 $?, using 1 if that was 0. -as_fn_error () -{ - as_status=$?; test $as_status -eq 0 && as_status=1 - if test "$3"; then - as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack - $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3 - fi - $as_echo "$as_me: error: $1" >&2 - as_fn_exit $as_status -} # as_fn_error - -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 || -$as_echo 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 - - - as_lineno_1=$LINENO as_lineno_1a=$LINENO - as_lineno_2=$LINENO as_lineno_2a=$LINENO - eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && - test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { - # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) - sed -n ' - p - /[$]LINENO/= - ' <$as_myself | - sed ' - s/[$]LINENO.*/&-/ - t lineno - b - :lineno - N - :loop - s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ - t loop - s/-\n.*// - ' >$as_me.lineno && - chmod +x "$as_me.lineno" || - { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } - - # Don't try to exec as it changes $[0], causing all sort of problems - # (the dirname of $[0] is not the place where we might find the - # original and so on. Autoconf is especially sensitive to this). - . "./$as_me.lineno" - # Exit status is that of the last command. - exit -} - -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 - -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$$ 2>/dev/null; then - as_ln_s='ln -s' - # ... but there are two gotchas: - # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. - # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. - # In both cases, we have to default to `cp -p'. - ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || - as_ln_s='cp -p' - elif ln conf$$.file conf$$ 2>/dev/null; then - as_ln_s=ln - else - as_ln_s='cp -p' - fi -else - as_ln_s='cp -p' -fi -rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file -rmdir conf$$.dir 2>/dev/null - -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 - -if test -x / >/dev/null 2>&1; then - as_test_x='test -x' -else - if ls -dL / >/dev/null 2>&1; then - as_ls_L_option=L - else - as_ls_L_option= - fi - as_test_x=' - eval sh -c '\'' - if test -d "$1"; then - test -d "$1/."; - else - case $1 in #( - -*)set "./$1";; - esac; - case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( - ???[sx]*):;;*)false;;esac;fi - '\'' sh - ' -fi -as_executable_p=$as_test_x - -# Sed expression to map a string onto a valid CPP name. -as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" - -# Sed expression to map a string onto a valid variable name. -as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" - - -test -n "$DJDIR" || exec 7<&0 &1 - -# Name of the host. -# hostname on some systems (SVR3.2, Linux) returns a bogus exit status, -# so uname gets run too. -ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q` - -# -# Initializations. -# -ac_default_prefix=/usr/local -ac_clean_files= -ac_config_libobj_dir=. -LIBOBJS= -cross_compiling=no -subdirs= -MFLAGS= -MAKEFLAGS= - -# Identity of this package. -PACKAGE_NAME='altfloat' -PACKAGE_TARNAME='altfloat' -PACKAGE_VERSION='0.2.2' -PACKAGE_STRING='altfloat 0.2.2' -PACKAGE_BUGREPORT='nbowler@draconx.ca' -PACKAGE_URL='' - -ac_unique_file="altfloat.cabal" -ac_subst_vars='LTLIBOBJS -LIBOBJS -CC_OPTS -OBJEXT -EXEEXT -ac_ct_CC -CPPFLAGS -LDFLAGS -CFLAGS -CC -target_alias -host_alias -build_alias -LIBS -ECHO_T -ECHO_N -ECHO_C -DEFS -mandir -localedir -libdir -psdir -pdfdir -dvidir -htmldir -infodir -docdir -oldincludedir -includedir -localstatedir -sharedstatedir -sysconfdir -datadir -datarootdir -libexecdir -sbindir -bindir -program_transform_name -prefix -exec_prefix -PACKAGE_URL -PACKAGE_BUGREPORT -PACKAGE_STRING -PACKAGE_VERSION -PACKAGE_TARNAME -PACKAGE_NAME -PATH_SEPARATOR -SHELL' -ac_subst_files='' -ac_user_opts=' -enable_option_checking -with_compiler -' - ac_precious_vars='build_alias -host_alias -target_alias -CC -CFLAGS -LDFLAGS -LIBS -CPPFLAGS' - - -# Initialize some variables set by options. -ac_init_help= -ac_init_version=false -ac_unrecognized_opts= -ac_unrecognized_sep= -# The variables have the same names as the options, with -# dashes changed to underlines. -cache_file=/dev/null -exec_prefix=NONE -no_create= -no_recursion= -prefix=NONE -program_prefix=NONE -program_suffix=NONE -program_transform_name=s,x,x, -silent= -site= -srcdir= -verbose= -x_includes=NONE -x_libraries=NONE - -# Installation directory options. -# These are left unexpanded so users can "make install exec_prefix=/foo" -# and all the variables that are supposed to be based on exec_prefix -# by default will actually change. -# Use braces instead of parens because sh, perl, etc. also accept them. -# (The list follows the same order as the GNU Coding Standards.) -bindir='${exec_prefix}/bin' -sbindir='${exec_prefix}/sbin' -libexecdir='${exec_prefix}/libexec' -datarootdir='${prefix}/share' -datadir='${datarootdir}' -sysconfdir='${prefix}/etc' -sharedstatedir='${prefix}/com' -localstatedir='${prefix}/var' -includedir='${prefix}/include' -oldincludedir='/usr/include' -docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' -infodir='${datarootdir}/info' -htmldir='${docdir}' -dvidir='${docdir}' -pdfdir='${docdir}' -psdir='${docdir}' -libdir='${exec_prefix}/lib' -localedir='${datarootdir}/locale' -mandir='${datarootdir}/man' - -ac_prev= -ac_dashdash= -for ac_option -do - # If the previous option needs an argument, assign it. - if test -n "$ac_prev"; then - eval $ac_prev=\$ac_option - ac_prev= - continue - fi - - case $ac_option in - *=*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;; - *) ac_optarg=yes ;; - esac - - # Accept the important Cygnus configure options, so we can diagnose typos. - - case $ac_dashdash$ac_option in - --) - ac_dashdash=yes ;; - - -bindir | --bindir | --bindi | --bind | --bin | --bi) - ac_prev=bindir ;; - -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*) - bindir=$ac_optarg ;; - - -build | --build | --buil | --bui | --bu) - ac_prev=build_alias ;; - -build=* | --build=* | --buil=* | --bui=* | --bu=*) - build_alias=$ac_optarg ;; - - -cache-file | --cache-file | --cache-fil | --cache-fi \ - | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c) - ac_prev=cache_file ;; - -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \ - | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*) - cache_file=$ac_optarg ;; - - --config-cache | -C) - cache_file=config.cache ;; - - -datadir | --datadir | --datadi | --datad) - ac_prev=datadir ;; - -datadir=* | --datadir=* | --datadi=* | --datad=*) - datadir=$ac_optarg ;; - - -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \ - | --dataroo | --dataro | --datar) - ac_prev=datarootdir ;; - -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \ - | --dataroot=* | --dataroo=* | --dataro=* | --datar=*) - datarootdir=$ac_optarg ;; - - -disable-* | --disable-*) - ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'` - # Reject names that are not valid shell variable names. - expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && - as_fn_error "invalid feature name: $ac_useropt" - ac_useropt_orig=$ac_useropt - ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` - case $ac_user_opts in - *" -"enable_$ac_useropt" -"*) ;; - *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig" - ac_unrecognized_sep=', ';; - esac - eval enable_$ac_useropt=no ;; - - -docdir | --docdir | --docdi | --doc | --do) - ac_prev=docdir ;; - -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*) - docdir=$ac_optarg ;; - - -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv) - ac_prev=dvidir ;; - -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*) - dvidir=$ac_optarg ;; - - -enable-* | --enable-*) - ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'` - # Reject names that are not valid shell variable names. - expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && - as_fn_error "invalid feature name: $ac_useropt" - ac_useropt_orig=$ac_useropt - ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` - case $ac_user_opts in - *" -"enable_$ac_useropt" -"*) ;; - *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig" - ac_unrecognized_sep=', ';; - esac - eval enable_$ac_useropt=\$ac_optarg ;; - - -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \ - | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \ - | --exec | --exe | --ex) - ac_prev=exec_prefix ;; - -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \ - | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \ - | --exec=* | --exe=* | --ex=*) - exec_prefix=$ac_optarg ;; - - -gas | --gas | --ga | --g) - # Obsolete; use --with-gas. - with_gas=yes ;; - - -help | --help | --hel | --he | -h) - ac_init_help=long ;; - -help=r* | --help=r* | --hel=r* | --he=r* | -hr*) - ac_init_help=recursive ;; - -help=s* | --help=s* | --hel=s* | --he=s* | -hs*) - ac_init_help=short ;; - - -host | --host | --hos | --ho) - ac_prev=host_alias ;; - -host=* | --host=* | --hos=* | --ho=*) - host_alias=$ac_optarg ;; - - -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht) - ac_prev=htmldir ;; - -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \ - | --ht=*) - htmldir=$ac_optarg ;; - - -includedir | --includedir | --includedi | --included | --include \ - | --includ | --inclu | --incl | --inc) - ac_prev=includedir ;; - -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \ - | --includ=* | --inclu=* | --incl=* | --inc=*) - includedir=$ac_optarg ;; - - -infodir | --infodir | --infodi | --infod | --info | --inf) - ac_prev=infodir ;; - -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*) - infodir=$ac_optarg ;; - - -libdir | --libdir | --libdi | --libd) - ac_prev=libdir ;; - -libdir=* | --libdir=* | --libdi=* | --libd=*) - libdir=$ac_optarg ;; - - -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \ - | --libexe | --libex | --libe) - ac_prev=libexecdir ;; - -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \ - | --libexe=* | --libex=* | --libe=*) - libexecdir=$ac_optarg ;; - - -localedir | --localedir | --localedi | --localed | --locale) - ac_prev=localedir ;; - -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*) - localedir=$ac_optarg ;; - - -localstatedir | --localstatedir | --localstatedi | --localstated \ - | --localstate | --localstat | --localsta | --localst | --locals) - ac_prev=localstatedir ;; - -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \ - | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*) - localstatedir=$ac_optarg ;; - - -mandir | --mandir | --mandi | --mand | --man | --ma | --m) - ac_prev=mandir ;; - -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*) - mandir=$ac_optarg ;; - - -nfp | --nfp | --nf) - # Obsolete; use --without-fp. - with_fp=no ;; - - -no-create | --no-create | --no-creat | --no-crea | --no-cre \ - | --no-cr | --no-c | -n) - no_create=yes ;; - - -no-recursion | --no-recursion | --no-recursio | --no-recursi \ - | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) - no_recursion=yes ;; - - -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \ - | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \ - | --oldin | --oldi | --old | --ol | --o) - ac_prev=oldincludedir ;; - -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \ - | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \ - | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*) - oldincludedir=$ac_optarg ;; - - -prefix | --prefix | --prefi | --pref | --pre | --pr | --p) - ac_prev=prefix ;; - -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*) - prefix=$ac_optarg ;; - - -program-prefix | --program-prefix | --program-prefi | --program-pref \ - | --program-pre | --program-pr | --program-p) - ac_prev=program_prefix ;; - -program-prefix=* | --program-prefix=* | --program-prefi=* \ - | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*) - program_prefix=$ac_optarg ;; - - -program-suffix | --program-suffix | --program-suffi | --program-suff \ - | --program-suf | --program-su | --program-s) - ac_prev=program_suffix ;; - -program-suffix=* | --program-suffix=* | --program-suffi=* \ - | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*) - program_suffix=$ac_optarg ;; - - -program-transform-name | --program-transform-name \ - | --program-transform-nam | --program-transform-na \ - | --program-transform-n | --program-transform- \ - | --program-transform | --program-transfor \ - | --program-transfo | --program-transf \ - | --program-trans | --program-tran \ - | --progr-tra | --program-tr | --program-t) - ac_prev=program_transform_name ;; - -program-transform-name=* | --program-transform-name=* \ - | --program-transform-nam=* | --program-transform-na=* \ - | --program-transform-n=* | --program-transform-=* \ - | --program-transform=* | --program-transfor=* \ - | --program-transfo=* | --program-transf=* \ - | --program-trans=* | --program-tran=* \ - | --progr-tra=* | --program-tr=* | --program-t=*) - program_transform_name=$ac_optarg ;; - - -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd) - ac_prev=pdfdir ;; - -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*) - pdfdir=$ac_optarg ;; - - -psdir | --psdir | --psdi | --psd | --ps) - ac_prev=psdir ;; - -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*) - psdir=$ac_optarg ;; - - -q | -quiet | --quiet | --quie | --qui | --qu | --q \ - | -silent | --silent | --silen | --sile | --sil) - silent=yes ;; - - -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) - ac_prev=sbindir ;; - -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ - | --sbi=* | --sb=*) - sbindir=$ac_optarg ;; - - -sharedstatedir | --sharedstatedir | --sharedstatedi \ - | --sharedstated | --sharedstate | --sharedstat | --sharedsta \ - | --sharedst | --shareds | --shared | --share | --shar \ - | --sha | --sh) - ac_prev=sharedstatedir ;; - -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \ - | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \ - | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \ - | --sha=* | --sh=*) - sharedstatedir=$ac_optarg ;; - - -site | --site | --sit) - ac_prev=site ;; - -site=* | --site=* | --sit=*) - site=$ac_optarg ;; - - -srcdir | --srcdir | --srcdi | --srcd | --src | --sr) - ac_prev=srcdir ;; - -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) - srcdir=$ac_optarg ;; - - -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \ - | --syscon | --sysco | --sysc | --sys | --sy) - ac_prev=sysconfdir ;; - -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \ - | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*) - sysconfdir=$ac_optarg ;; - - -target | --target | --targe | --targ | --tar | --ta | --t) - ac_prev=target_alias ;; - -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*) - target_alias=$ac_optarg ;; - - -v | -verbose | --verbose | --verbos | --verbo | --verb) - verbose=yes ;; - - -version | --version | --versio | --versi | --vers | -V) - ac_init_version=: ;; - - -with-* | --with-*) - ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'` - # Reject names that are not valid shell variable names. - expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && - as_fn_error "invalid package name: $ac_useropt" - ac_useropt_orig=$ac_useropt - ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` - case $ac_user_opts in - *" -"with_$ac_useropt" -"*) ;; - *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig" - ac_unrecognized_sep=', ';; - esac - eval with_$ac_useropt=\$ac_optarg ;; - - -without-* | --without-*) - ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'` - # Reject names that are not valid shell variable names. - expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && - as_fn_error "invalid package name: $ac_useropt" - ac_useropt_orig=$ac_useropt - ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` - case $ac_user_opts in - *" -"with_$ac_useropt" -"*) ;; - *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig" - ac_unrecognized_sep=', ';; - esac - eval with_$ac_useropt=no ;; - - --x) - # Obsolete; use --with-x. - with_x=yes ;; - - -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \ - | --x-incl | --x-inc | --x-in | --x-i) - ac_prev=x_includes ;; - -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \ - | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*) - x_includes=$ac_optarg ;; - - -x-libraries | --x-libraries | --x-librarie | --x-librari \ - | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l) - ac_prev=x_libraries ;; - -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \ - | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*) - x_libraries=$ac_optarg ;; - - -*) as_fn_error "unrecognized option: \`$ac_option' -Try \`$0 --help' for more information." - ;; - - *=*) - ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='` - # Reject names that are not valid shell variable names. - case $ac_envvar in #( - '' | [0-9]* | *[!_$as_cr_alnum]* ) - as_fn_error "invalid variable name: \`$ac_envvar'" ;; - esac - eval $ac_envvar=\$ac_optarg - export $ac_envvar ;; - - *) - # FIXME: should be removed in autoconf 3.0. - $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2 - expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null && - $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2 - : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option} - ;; - - esac -done - -if test -n "$ac_prev"; then - ac_option=--`echo $ac_prev | sed 's/_/-/g'` - as_fn_error "missing argument to $ac_option" -fi - -if test -n "$ac_unrecognized_opts"; then - case $enable_option_checking in - no) ;; - fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;; - *) $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;; - esac -fi - -# Check all directory arguments for consistency. -for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ - datadir sysconfdir sharedstatedir localstatedir includedir \ - oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ - libdir localedir mandir -do - eval ac_val=\$$ac_var - # Remove trailing slashes. - case $ac_val in - */ ) - ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'` - eval $ac_var=\$ac_val;; - esac - # Be sure to have absolute directory names. - case $ac_val in - [\\/$]* | ?:[\\/]* ) continue;; - NONE | '' ) case $ac_var in *prefix ) continue;; esac;; - esac - as_fn_error "expected an absolute directory name for --$ac_var: $ac_val" -done - -# There might be people who depend on the old broken behavior: `$host' -# used to hold the argument of --host etc. -# FIXME: To remove some day. -build=$build_alias -host=$host_alias -target=$target_alias - -# FIXME: To remove some day. -if test "x$host_alias" != x; then - if test "x$build_alias" = x; then - cross_compiling=maybe - $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host. - If a cross compiler is detected then cross compile mode will be used." >&2 - elif test "x$build_alias" != "x$host_alias"; then - cross_compiling=yes - fi -fi - -ac_tool_prefix= -test -n "$host_alias" && ac_tool_prefix=$host_alias- - -test "$silent" = yes && exec 6>/dev/null - - -ac_pwd=`pwd` && test -n "$ac_pwd" && -ac_ls_di=`ls -di .` && -ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` || - as_fn_error "working directory cannot be determined" -test "X$ac_ls_di" = "X$ac_pwd_ls_di" || - as_fn_error "pwd does not report name of working directory" - - -# Find the source files, if location was not specified. -if test -z "$srcdir"; then - ac_srcdir_defaulted=yes - # Try the directory containing this script, then the parent directory. - ac_confdir=`$as_dirname -- "$as_myself" || -$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ - X"$as_myself" : 'X\(//\)[^/]' \| \ - X"$as_myself" : 'X\(//\)$' \| \ - X"$as_myself" : 'X\(/\)' \| . 2>/dev/null || -$as_echo X"$as_myself" | - sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ - s//\1/ - q - } - /^X\(\/\/\)[^/].*/{ - s//\1/ - q - } - /^X\(\/\/\)$/{ - s//\1/ - q - } - /^X\(\/\).*/{ - s//\1/ - q - } - s/.*/./; q'` - srcdir=$ac_confdir - if test ! -r "$srcdir/$ac_unique_file"; then - srcdir=.. - fi -else - ac_srcdir_defaulted=no -fi -if test ! -r "$srcdir/$ac_unique_file"; then - test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .." - as_fn_error "cannot find sources ($ac_unique_file) in $srcdir" -fi -ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work" -ac_abs_confdir=`( - cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg" - pwd)` -# When building in place, set srcdir=. -if test "$ac_abs_confdir" = "$ac_pwd"; then - srcdir=. -fi -# Remove unnecessary trailing slashes from srcdir. -# Double slashes in file names in object file debugging info -# mess up M-x gdb in Emacs. -case $srcdir in -*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;; -esac -for ac_var in $ac_precious_vars; do - eval ac_env_${ac_var}_set=\${${ac_var}+set} - eval ac_env_${ac_var}_value=\$${ac_var} - eval ac_cv_env_${ac_var}_set=\${${ac_var}+set} - eval ac_cv_env_${ac_var}_value=\$${ac_var} -done - -# -# Report the --help message. -# -if test "$ac_init_help" = "long"; then - # Omit some internal or obsolete options to make the list less imposing. - # This message is too long to be a string in the A/UX 3.1 sh. - cat <<_ACEOF -\`configure' configures altfloat 0.2.2 to adapt to many kinds of systems. - -Usage: $0 [OPTION]... [VAR=VALUE]... - -To assign environment variables (e.g., CC, CFLAGS...), specify them as -VAR=VALUE. See below for descriptions of some of the useful variables. - -Defaults for the options are specified in brackets. - -Configuration: - -h, --help display this help and exit - --help=short display options specific to this package - --help=recursive display the short help of all the included packages - -V, --version display version information and exit - -q, --quiet, --silent do not print \`checking...' messages - --cache-file=FILE cache test results in FILE [disabled] - -C, --config-cache alias for \`--cache-file=config.cache' - -n, --no-create do not create output files - --srcdir=DIR find the sources in DIR [configure dir or \`..'] - -Installation directories: - --prefix=PREFIX install architecture-independent files in PREFIX - [$ac_default_prefix] - --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX - [PREFIX] - -By default, \`make install' will install all the files in -\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify -an installation prefix other than \`$ac_default_prefix' using \`--prefix', -for instance \`--prefix=\$HOME'. - -For better control, use the options below. - -Fine tuning of the installation directories: - --bindir=DIR user executables [EPREFIX/bin] - --sbindir=DIR system admin executables [EPREFIX/sbin] - --libexecdir=DIR program executables [EPREFIX/libexec] - --sysconfdir=DIR read-only single-machine data [PREFIX/etc] - --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] - --localstatedir=DIR modifiable single-machine data [PREFIX/var] - --libdir=DIR object code libraries [EPREFIX/lib] - --includedir=DIR C header files [PREFIX/include] - --oldincludedir=DIR C header files for non-gcc [/usr/include] - --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] - --datadir=DIR read-only architecture-independent data [DATAROOTDIR] - --infodir=DIR info documentation [DATAROOTDIR/info] - --localedir=DIR locale-dependent data [DATAROOTDIR/locale] - --mandir=DIR man documentation [DATAROOTDIR/man] - --docdir=DIR documentation root [DATAROOTDIR/doc/altfloat] - --htmldir=DIR html documentation [DOCDIR] - --dvidir=DIR dvi documentation [DOCDIR] - --pdfdir=DIR pdf documentation [DOCDIR] - --psdir=DIR ps documentation [DOCDIR] -_ACEOF - - cat <<\_ACEOF -_ACEOF -fi - -if test -n "$ac_init_help"; then - case $ac_init_help in - short | recursive ) echo "Configuration of altfloat 0.2.2:";; - esac - cat <<\_ACEOF - -Optional Packages: - --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] - --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) - --with-compiler specify which Haskell compiler to use - -Some influential environment variables: - CC C compiler command - CFLAGS C compiler flags - LDFLAGS linker flags, e.g. -L if you have libraries in a - nonstandard directory - LIBS libraries to pass to the linker, e.g. -l - CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if - you have headers in a nonstandard directory - -Use these variables to override the choices made by `configure' or to help -it to find libraries and programs with nonstandard names/locations. - -Report bugs to . -_ACEOF -ac_status=$? -fi - -if test "$ac_init_help" = "recursive"; then - # If there are subdirs, report their specific --help. - for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue - test -d "$ac_dir" || - { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } || - continue - ac_builddir=. - -case "$ac_dir" in -.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; -*) - ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` - # A ".." for each directory in $ac_dir_suffix. - ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` - case $ac_top_builddir_sub in - "") ac_top_builddir_sub=. ac_top_build_prefix= ;; - *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; - esac ;; -esac -ac_abs_top_builddir=$ac_pwd -ac_abs_builddir=$ac_pwd$ac_dir_suffix -# for backward compatibility: -ac_top_builddir=$ac_top_build_prefix - -case $srcdir in - .) # We are building in place. - ac_srcdir=. - ac_top_srcdir=$ac_top_builddir_sub - ac_abs_top_srcdir=$ac_pwd ;; - [\\/]* | ?:[\\/]* ) # Absolute name. - ac_srcdir=$srcdir$ac_dir_suffix; - ac_top_srcdir=$srcdir - ac_abs_top_srcdir=$srcdir ;; - *) # Relative name. - ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix - ac_top_srcdir=$ac_top_build_prefix$srcdir - ac_abs_top_srcdir=$ac_pwd/$srcdir ;; -esac -ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix - - cd "$ac_dir" || { ac_status=$?; continue; } - # Check for guested configure. - if test -f "$ac_srcdir/configure.gnu"; then - echo && - $SHELL "$ac_srcdir/configure.gnu" --help=recursive - elif test -f "$ac_srcdir/configure"; then - echo && - $SHELL "$ac_srcdir/configure" --help=recursive - else - $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2 - fi || ac_status=$? - cd "$ac_pwd" || { ac_status=$?; break; } - done -fi - -test -n "$ac_init_help" && exit $ac_status -if $ac_init_version; then - cat <<\_ACEOF -altfloat configure 0.2.2 -generated by GNU Autoconf 2.65 - -Copyright (C) 2009 Free Software Foundation, Inc. -This configure script is free software; the Free Software Foundation -gives unlimited permission to copy, distribute and modify it. -_ACEOF - exit -fi - -## ------------------------ ## -## Autoconf initialization. ## -## ------------------------ ## - -# ac_fn_c_try_compile LINENO -# -------------------------- -# Try to compile conftest.$ac_ext, and return whether this succeeded. -ac_fn_c_try_compile () -{ - as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack - rm -f conftest.$ac_objext - if { { ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$ac_compile") 2>conftest.err - ac_status=$? - if test -s conftest.err; then - grep -v '^ *+' conftest.err >conftest.er1 - cat conftest.er1 >&5 - mv -f conftest.er1 conftest.err - fi - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest.$ac_objext; then : - ac_retval=0 -else - $as_echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_retval=1 -fi - eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} - as_fn_set_status $ac_retval - -} # ac_fn_c_try_compile - -# ac_fn_c_try_link LINENO -# ----------------------- -# Try to link conftest.$ac_ext, and return whether this succeeded. -ac_fn_c_try_link () -{ - as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack - rm -f conftest.$ac_objext conftest$ac_exeext - if { { ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$ac_link") 2>conftest.err - ac_status=$? - if test -s conftest.err; then - grep -v '^ *+' conftest.err >conftest.er1 - cat conftest.er1 >&5 - mv -f conftest.er1 conftest.err - fi - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; } && { - test -z "$ac_c_werror_flag" || - test ! -s conftest.err - } && test -s conftest$ac_exeext && { - test "$cross_compiling" = yes || - $as_test_x conftest$ac_exeext - }; then : - ac_retval=0 -else - $as_echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_retval=1 -fi - # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information - # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would - # interfere with the next link command; also delete a directory that is - # left behind by Apple's compiler. We do this before executing the actions. - rm -rf conftest.dSYM conftest_ipa8_conftest.oo - eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} - as_fn_set_status $ac_retval - -} # ac_fn_c_try_link -cat >config.log <<_ACEOF -This file contains any messages produced by compilers while -running configure, to aid debugging if configure makes a mistake. - -It was created by altfloat $as_me 0.2.2, which was -generated by GNU Autoconf 2.65. Invocation command line was - - $ $0 $@ - -_ACEOF -exec 5>>config.log -{ -cat <<_ASUNAME -## --------- ## -## Platform. ## -## --------- ## - -hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` -uname -m = `(uname -m) 2>/dev/null || echo unknown` -uname -r = `(uname -r) 2>/dev/null || echo unknown` -uname -s = `(uname -s) 2>/dev/null || echo unknown` -uname -v = `(uname -v) 2>/dev/null || echo unknown` - -/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` -/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` - -/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` -/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` -/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` -/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` -/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` -/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` -/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` - -_ASUNAME - -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - $as_echo "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 $ac_arg in - -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; - -q | -quiet | --quiet | --quie | --qui | --qu | --q \ - | -silent | --silent | --silen | --sile | --sil) - continue ;; - *\'*) - ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; - esac - case $ac_pass in - 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; - 2) - as_fn_append ac_configure_args1 " '$ac_arg'" - if test $ac_must_keep_next = true; then - ac_must_keep_next=false # Got value, back to normal. - else - case $ac_arg in - *=* | --config-cache | -C | -disable-* | --disable-* \ - | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ - | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ - | -with-* | --with-* | -without-* | --without-* | --x) - case "$ac_configure_args0 " in - "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; - esac - ;; - -* ) ac_must_keep_next=true ;; - esac - fi - as_fn_append ac_configure_args " '$ac_arg'" - ;; - esac - done -done -{ ac_configure_args0=; unset ac_configure_args0;} -{ ac_configure_args1=; unset ac_configure_args1;} - -# When interrupted or exit'd, cleanup temporary files, and complete -# config.log. We remove comments because anyway the quotes in there -# would cause problems or look ugly. -# WARNING: Use '\'' to represent an apostrophe within the trap. -# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. -trap 'exit_status=$? - # Save into config.log some information that might help in debugging. - { - echo - - cat <<\_ASBOX -## ---------------- ## -## Cache variables. ## -## ---------------- ## -_ASBOX - echo - # The following way of writing the cache mishandles newlines in values, -( - for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do - eval ac_val=\$$ac_var - case $ac_val in #( - *${as_nl}*) - case $ac_var in #( - *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 -$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; - esac - case $ac_var in #( - _ | IFS | as_nl) ;; #( - BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( - *) { eval $ac_var=; unset $ac_var;} ;; - esac ;; - esac - done - (set) 2>&1 | - case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( - *${as_nl}ac_space=\ *) - sed -n \ - "s/'\''/'\''\\\\'\'''\''/g; - s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" - ;; #( - *) - sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" - ;; - esac | - sort -) - echo - - cat <<\_ASBOX -## ----------------- ## -## Output variables. ## -## ----------------- ## -_ASBOX - echo - for ac_var in $ac_subst_vars - do - eval ac_val=\$$ac_var - case $ac_val in - *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; - esac - $as_echo "$ac_var='\''$ac_val'\''" - done | sort - echo - - if test -n "$ac_subst_files"; then - cat <<\_ASBOX -## ------------------- ## -## File substitutions. ## -## ------------------- ## -_ASBOX - echo - for ac_var in $ac_subst_files - do - eval ac_val=\$$ac_var - case $ac_val in - *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; - esac - $as_echo "$ac_var='\''$ac_val'\''" - done | sort - echo - fi - - if test -s confdefs.h; then - cat <<\_ASBOX -## ----------- ## -## confdefs.h. ## -## ----------- ## -_ASBOX - echo - cat confdefs.h - echo - fi - test "$ac_signal" != 0 && - $as_echo "$as_me: caught signal $ac_signal" - $as_echo "$as_me: exit $exit_status" - } >&5 - rm -f core *.core core.conftest.* && - rm -f -r conftest* confdefs* conf$$* $ac_clean_files && - exit $exit_status -' 0 -for ac_signal in 1 2 13 15; do - trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal -done -ac_signal=0 - -# confdefs.h avoids OS command line length limits that DEFS can exceed. -rm -f -r conftest* confdefs.h - -$as_echo "/* confdefs.h */" > confdefs.h - -# Predefined preprocessor variables. - -cat >>confdefs.h <<_ACEOF -#define PACKAGE_NAME "$PACKAGE_NAME" -_ACEOF - -cat >>confdefs.h <<_ACEOF -#define PACKAGE_TARNAME "$PACKAGE_TARNAME" -_ACEOF - -cat >>confdefs.h <<_ACEOF -#define PACKAGE_VERSION "$PACKAGE_VERSION" -_ACEOF - -cat >>confdefs.h <<_ACEOF -#define PACKAGE_STRING "$PACKAGE_STRING" -_ACEOF - -cat >>confdefs.h <<_ACEOF -#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" -_ACEOF - -cat >>confdefs.h <<_ACEOF -#define PACKAGE_URL "$PACKAGE_URL" -_ACEOF - - -# Let the site file select an alternate cache file if it wants to. -# Prefer an explicitly selected file to automatically selected ones. -ac_site_file1=NONE -ac_site_file2=NONE -if test -n "$CONFIG_SITE"; then - ac_site_file1=$CONFIG_SITE -elif test "x$prefix" != xNONE; then - ac_site_file1=$prefix/share/config.site - ac_site_file2=$prefix/etc/config.site -else - ac_site_file1=$ac_default_prefix/share/config.site - ac_site_file2=$ac_default_prefix/etc/config.site -fi -for ac_site_file in "$ac_site_file1" "$ac_site_file2" -do - test "x$ac_site_file" = xNONE && continue - if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 -$as_echo "$as_me: loading site script $ac_site_file" >&6;} - sed 's/^/| /' "$ac_site_file" >&5 - . "$ac_site_file" - fi -done - -if test -r "$cache_file"; then - # Some versions of bash will fail to source /dev/null (special files - # actually), so we avoid doing that. DJGPP emulates it as a regular file. - if test /dev/null != "$cache_file" && test -f "$cache_file"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 -$as_echo "$as_me: loading cache $cache_file" >&6;} - case $cache_file in - [\\/]* | ?:[\\/]* ) . "$cache_file";; - *) . "./$cache_file";; - esac - fi -else - { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 -$as_echo "$as_me: creating cache $cache_file" >&6;} - >$cache_file -fi - -# Check that the precious variables saved in the cache have kept the same -# value. -ac_cache_corrupted=false -for ac_var in $ac_precious_vars; do - eval ac_old_set=\$ac_cv_env_${ac_var}_set - eval ac_new_set=\$ac_env_${ac_var}_set - eval ac_old_val=\$ac_cv_env_${ac_var}_value - eval ac_new_val=\$ac_env_${ac_var}_value - case $ac_old_set,$ac_new_set in - set,) - { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 -$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} - ac_cache_corrupted=: ;; - ,set) - { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 -$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} - ac_cache_corrupted=: ;; - ,);; - *) - if test "x$ac_old_val" != "x$ac_new_val"; then - # differences in whitespace do not lead to failure. - ac_old_val_w=`echo x $ac_old_val` - ac_new_val_w=`echo x $ac_new_val` - if test "$ac_old_val_w" != "$ac_new_val_w"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 -$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} - ac_cache_corrupted=: - else - { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 -$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} - eval $ac_var=\$ac_old_val - fi - { $as_echo "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 -$as_echo "$as_me: former value: \`$ac_old_val'" >&2;} - { $as_echo "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 -$as_echo "$as_me: current value: \`$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=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; - *) ac_arg=$ac_var=$ac_new_val ;; - esac - case " $ac_configure_args " in - *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. - *) as_fn_append ac_configure_args " '$ac_arg'" ;; - esac - fi -done -if $ac_cache_corrupted; then - { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} - { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 -$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;} - as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 -fi -## -------------------- ## -## Main body of script. ## -## -------------------- ## - -ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu - - - -ac_config_headers="$ac_config_headers config.h" - - - -# Check whether --with-compiler was given. -if test "${with_compiler+set}" = set; then : - withval=$with_compiler; -fi - - -ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu -if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. -set dummy ${ac_tool_prefix}gcc; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_CC+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$CC"; then - ac_cv_prog_CC="$CC" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - ac_cv_prog_CC="${ac_tool_prefix}gcc" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi -fi -CC=$ac_cv_prog_CC -if test -n "$CC"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 -$as_echo "$CC" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - -fi -if test -z "$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 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$ac_ct_CC"; then - ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - ac_cv_prog_ac_ct_CC="gcc" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi -fi -ac_ct_CC=$ac_cv_prog_ac_ct_CC -if test -n "$ac_ct_CC"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 -$as_echo "$ac_ct_CC" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - if test "x$ac_ct_CC" = x; then - CC="" - else - case $cross_compiling:$ac_tool_warned in -yes:) -{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 -$as_echo "$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 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_CC+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$CC"; then - ac_cv_prog_CC="$CC" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - ac_cv_prog_CC="${ac_tool_prefix}cc" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi -fi -CC=$ac_cv_prog_CC -if test -n "$CC"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 -$as_echo "$CC" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - - fi -fi -if test -z "$CC"; then - # Extract the first word of "cc", so it can be a program name with args. -set dummy cc; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_CC+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$CC"; then - ac_cv_prog_CC="$CC" # Let the user override the test. -else - ac_prog_rejected=no -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then - ac_prog_rejected=yes - continue - fi - ac_cv_prog_CC="cc" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -if test $ac_prog_rejected = yes; then - # We found a bogon in the path, so make sure we never use it. - set dummy $ac_cv_prog_CC - shift - if test $# != 0; then - # We chose a different compiler from the bogus one. - # However, it has the same basename, so the bogon will be chosen - # first if we set CC to just the basename; use the full file name. - shift - ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" - fi -fi -fi -fi -CC=$ac_cv_prog_CC -if test -n "$CC"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 -$as_echo "$CC" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - -fi -if test -z "$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 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_CC+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$CC"; then - ac_cv_prog_CC="$CC" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - ac_cv_prog_CC="$ac_tool_prefix$ac_prog" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi -fi -CC=$ac_cv_prog_CC -if test -n "$CC"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 -$as_echo "$CC" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - - test -n "$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 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$ac_ct_CC"; then - ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then - ac_cv_prog_ac_ct_CC="$ac_prog" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi -fi -ac_ct_CC=$ac_cv_prog_ac_ct_CC -if test -n "$ac_ct_CC"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 -$as_echo "$ac_ct_CC" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - - test -n "$ac_ct_CC" && break -done - - if test "x$ac_ct_CC" = x; then - CC="" - else - case $cross_compiling:$ac_tool_warned in -yes:) -{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 -$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} -ac_tool_warned=yes ;; -esac - CC=$ac_ct_CC - fi -fi - -fi - - -test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -as_fn_error "no acceptable C compiler found in \$PATH -See \`config.log' for more details." "$LINENO" 5; } - -# Provide some information about the compiler. -$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 -set X $ac_compile -ac_compiler=$2 -for ac_option in --version -v -V -qversion; do - { { ac_try="$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}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$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 - $as_echo "$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 () -{ - - ; - 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. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 -$as_echo_n "checking whether the C compiler works... " >&6; } -ac_link_default=`$as_echo "$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}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$ac_link_default") 2>&5 - ac_status=$? - $as_echo "$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 "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; - then :; else - ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` - fi - # We set ac_cv_exeext here because the later test for it is not - # safe: cross compilers may not add the suffix if given an `-o' - # argument, so we may need to know it at that point already. - # Even if this section looks crufty: it has the advantage of - # actually working. - break;; - * ) - break;; - esac -done -test "$ac_cv_exeext" = no && ac_cv_exeext= - -else - ac_file='' -fi -if test -z "$ac_file"; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -$as_echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -{ as_fn_set_status 77 -as_fn_error "C compiler cannot create executables -See \`config.log' for more details." "$LINENO" 5; }; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 -$as_echo_n "checking for C compiler default output file name... " >&6; } -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 -$as_echo "$ac_file" >&6; } -ac_exeext=$ac_cv_exeext - -rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out -ac_clean_files=$ac_clean_files_save -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 -$as_echo_n "checking for suffix of executables... " >&6; } -if { { ac_try="$ac_link" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$ac_link") 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; then : - # If both `conftest.exe' and `conftest' are `present' (well, observable) -# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will -# work properly (i.e., refer to `conftest.exe'), while it won't with -# `rm'. -for ac_file in conftest.exe conftest conftest.*; do - test -f "$ac_file" || continue - case $ac_file in - *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; - *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` - break;; - * ) break;; - esac -done -else - { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -as_fn_error "cannot compute suffix of executables: cannot compile and link -See \`config.log' for more details." "$LINENO" 5; } -fi -rm -f conftest conftest$ac_cv_exeext -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 -$as_echo "$ac_cv_exeext" >&6; } - -rm -f conftest.$ac_ext -EXEEXT=$ac_cv_exeext -ac_exeext=$EXEEXT -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include -int -main () -{ -FILE *f = fopen ("conftest.out", "w"); - return ferror (f) || fclose (f) != 0; - - ; - return 0; -} -_ACEOF -ac_clean_files="$ac_clean_files conftest.out" -# Check that the compiler produces executables we can run. If not, either -# the compiler is broken, or we cross compile. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 -$as_echo_n "checking whether we are cross compiling... " >&6; } -if test "$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}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$ac_link") 2>&5 - ac_status=$? - $as_echo "$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}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$ac_try") 2>&5 - ac_status=$? - $as_echo "$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 - { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -as_fn_error "cannot run C compiled programs. -If you meant to cross compile, use \`--host'. -See \`config.log' for more details." "$LINENO" 5; } - fi - fi -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 -$as_echo "$cross_compiling" >&6; } - -rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out -ac_clean_files=$ac_clean_files_save -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 -$as_echo_n "checking for suffix of object files... " >&6; } -if test "${ac_cv_objext+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -int -main () -{ - - ; - return 0; -} -_ACEOF -rm -f conftest.o conftest.obj -if { { ac_try="$ac_compile" -case "(($ac_try" in - *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; - *) ac_try_echo=$ac_try;; -esac -eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" -$as_echo "$ac_try_echo"; } >&5 - (eval "$ac_compile") 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; then : - for ac_file in conftest.o conftest.obj conftest.*; do - test -f "$ac_file" || continue; - case $ac_file in - *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; - *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` - break;; - esac -done -else - $as_echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -as_fn_error "cannot compute suffix of object files: cannot compile -See \`config.log' for more details." "$LINENO" 5; } -fi -rm -f conftest.$ac_cv_objext conftest.$ac_ext -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 -$as_echo "$ac_cv_objext" >&6; } -OBJEXT=$ac_cv_objext -ac_objext=$OBJEXT -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 -$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } -if test "${ac_cv_c_compiler_gnu+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -int -main () -{ -#ifndef __GNUC__ - choke me -#endif - - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - ac_compiler_gnu=yes -else - ac_compiler_gnu=no -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -ac_cv_c_compiler_gnu=$ac_compiler_gnu - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 -$as_echo "$ac_cv_c_compiler_gnu" >&6; } -if test $ac_compiler_gnu = yes; then - GCC=yes -else - GCC= -fi -ac_test_CFLAGS=${CFLAGS+set} -ac_save_CFLAGS=$CFLAGS -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 -$as_echo_n "checking whether $CC accepts -g... " >&6; } -if test "${ac_cv_prog_cc_g+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_save_c_werror_flag=$ac_c_werror_flag - ac_c_werror_flag=yes - ac_cv_prog_cc_g=no - CFLAGS="-g" - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -int -main () -{ - - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - ac_cv_prog_cc_g=yes -else - CFLAGS="" - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -int -main () -{ - - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - -else - ac_c_werror_flag=$ac_save_c_werror_flag - CFLAGS="-g" - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -int -main () -{ - - ; - 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.$ac_ext -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext - ac_c_werror_flag=$ac_save_c_werror_flag -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 -$as_echo "$ac_cv_prog_cc_g" >&6; } -if test "$ac_test_CFLAGS" = set; then - CFLAGS=$ac_save_CFLAGS -elif test $ac_cv_prog_cc_g = yes; then - if test "$GCC" = yes; then - CFLAGS="-g -O2" - else - CFLAGS="-g" - fi -else - if test "$GCC" = yes; then - CFLAGS="-O2" - else - CFLAGS= - fi -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 -$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } -if test "${ac_cv_prog_cc_c89+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_cv_prog_cc_c89=no -ac_save_CC=$CC -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include -#include -#include -#include -/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ -struct buf { int x; }; -FILE * (*rcsopen) (struct buf *, struct stat *, int); -static char *e (p, i) - char **p; - int i; -{ - return p[i]; -} -static char *f (char * (*g) (char **, int), char **p, ...) -{ - char *s; - va_list v; - va_start (v,p); - s = g (p, va_arg (v,int)); - va_end (v); - return s; -} - -/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has - function prototypes and stuff, but not '\xHH' hex character constants. - These don't provoke an error unfortunately, instead are silently treated - as 'x'. The following induces an error, until -std is added to get - proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an - array size at least. It's necessary to write '\x00'==0 to get something - that's true only with -std. */ -int osf4_cc_array ['\x00' == 0 ? 1 : -1]; - -/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters - inside strings and character constants. */ -#define FOO(x) 'x' -int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; - -int test (int i, double x); -struct s1 {int (*f) (int a);}; -struct s2 {int (*f) (double a);}; -int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); -int argc; -char **argv; -int -main () -{ -return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; - ; - return 0; -} -_ACEOF -for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ - -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" -do - CC="$ac_save_CC $ac_arg" - if ac_fn_c_try_compile "$LINENO"; then : - ac_cv_prog_cc_c89=$ac_arg -fi -rm -f core conftest.err conftest.$ac_objext - test "x$ac_cv_prog_cc_c89" != "xno" && break -done -rm -f conftest.$ac_ext -CC=$ac_save_CC - -fi -# AC_CACHE_VAL -case "x$ac_cv_prog_cc_c89" in - x) - { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 -$as_echo "none needed" >&6; } ;; - xno) - { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 -$as_echo "unsupported" >&6; } ;; - *) - CC="$CC $ac_cv_prog_cc_c89" - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 -$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; -esac -if test "x$ac_cv_prog_cc_c89" != xno; then : - -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 - - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5 -$as_echo_n "checking for $CC option to accept ISO C99... " >&6; } -if test "${ac_cv_prog_cc_c99+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_cv_prog_cc_c99=no -ac_save_CC=$CC -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include -#include -#include -#include -#include - -// Check varargs macros. These examples are taken from C99 6.10.3.5. -#define debug(...) fprintf (stderr, __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 - your preprocessor is broken; -#endif -#if BIG_OK -#else - your preprocessor is broken; -#endif -static long long int bignum = -9223372036854775807LL; -static unsigned long long int ubignum = BIG64; - -struct incomplete_array -{ - int datasize; - double data[]; -}; - -struct named_init { - int number; - const wchar_t *name; - double average; -}; - -typedef const char *ccp; - -static inline int -test_restrict (ccp restrict text) -{ - // See if C++-style comments work. - // Iterate through items via the restricted pointer. - // Also check for declarations in for loops. - for (unsigned int i = 0; *(text+i) != '\0'; ++i) - continue; - return 0; -} - -// Check varargs and va_copy. -static void -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; - float fnumber; - - 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); -} - -int -main () -{ - - // Check bool. - _Bool success = false; - - // Check restrict. - if (test_restrict ("String literal") == 0) - success = true; - char *restrict newvar = "Another string"; - - // Check varargs. - test_varargs ("s, d' f .", "string", 65, 34.234); - test_varargs_macros (); - - // Check flexible array members. - struct incomplete_array *ia = - malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); - ia->datasize = 10; - for (int i = 0; i < ia->datasize; ++i) - ia->data[i] = i * 1.234; - - // Check named initializers. - struct named_init ni = { - .number = 34, - .name = L"Test wide string", - .average = 543.34343, - }; - - ni.number = 58; - - int dynamic_array[ni.number]; - dynamic_array[ni.number - 1] = 543; - - // work around unused variable warnings - return (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x' - || dynamic_array[ni.number - 1] != 543); - - ; - return 0; -} -_ACEOF -for ac_arg in '' -std=gnu99 -std=c99 -c99 -AC99 -xc99=all -qlanglvl=extc99 -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 - test "x$ac_cv_prog_cc_c99" != "xno" && break -done -rm -f conftest.$ac_ext -CC=$ac_save_CC - -fi -# AC_CACHE_VAL -case "x$ac_cv_prog_cc_c99" in - x) - { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 -$as_echo "none needed" >&6; } ;; - xno) - { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 -$as_echo "unsupported" >&6; } ;; - *) - CC="$CC $ac_cv_prog_cc_c99" - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5 -$as_echo "$ac_cv_prog_cc_c99" >&6; } ;; -esac -if test "x$ac_cv_prog_cc_c99" != xno; then : - -fi - - - -CC_OPTS=`echo $CC | sed 's/[^[:space:]]*//'` - - -replaced_libm=no - - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing nan" >&5 -$as_echo_n "checking for library containing nan... " >&6; } -if test "${ac_cv_search_nan+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_func_search_save_LIBS=$LIBS -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char nan (); -int -main () -{ -return nan (); - ; - return 0; -} -_ACEOF -for ac_lib in '' m; do - if test -z "$ac_lib"; then - ac_res="none required" - else - ac_res=-l$ac_lib - LIBS="-l$ac_lib $ac_func_search_save_LIBS" - fi - if ac_fn_c_try_link "$LINENO"; then : - ac_cv_search_nan=$ac_res -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext - if test "${ac_cv_search_nan+set}" = set; then : - break -fi -done -if test "${ac_cv_search_nan+set}" = set; then : - -else - ac_cv_search_nan=no -fi -rm conftest.$ac_ext -LIBS=$ac_func_search_save_LIBS -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_nan" >&5 -$as_echo "$ac_cv_search_nan" >&6; } -ac_res=$ac_cv_search_nan -if test "$ac_res" != no; then : - test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" - -else - replaced_libm=yes - -$as_echo "#define NEED_LIBM_NAN 1" >>confdefs.h - -fi - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log2" >&5 -$as_echo_n "checking for library containing log2... " >&6; } -if test "${ac_cv_search_log2+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_func_search_save_LIBS=$LIBS -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char log2 (); -int -main () -{ -return log2 (); - ; - return 0; -} -_ACEOF -for ac_lib in '' m; do - if test -z "$ac_lib"; then - ac_res="none required" - else - ac_res=-l$ac_lib - LIBS="-l$ac_lib $ac_func_search_save_LIBS" - fi - if ac_fn_c_try_link "$LINENO"; then : - ac_cv_search_log2=$ac_res -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext - if test "${ac_cv_search_log2+set}" = set; then : - break -fi -done -if test "${ac_cv_search_log2+set}" = set; then : - -else - ac_cv_search_log2=no -fi -rm conftest.$ac_ext -LIBS=$ac_func_search_save_LIBS -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_log2" >&5 -$as_echo "$ac_cv_search_log2" >&6; } -ac_res=$ac_cv_search_log2 -if test "$ac_res" != no; then : - test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" - -else - replaced_libm=yes - -$as_echo "#define NEED_LIBM_LOG2 1" >>confdefs.h - -fi - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing exp2" >&5 -$as_echo_n "checking for library containing exp2... " >&6; } -if test "${ac_cv_search_exp2+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_func_search_save_LIBS=$LIBS -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char exp2 (); -int -main () -{ -return exp2 (); - ; - return 0; -} -_ACEOF -for ac_lib in '' m; do - if test -z "$ac_lib"; then - ac_res="none required" - else - ac_res=-l$ac_lib - LIBS="-l$ac_lib $ac_func_search_save_LIBS" - fi - if ac_fn_c_try_link "$LINENO"; then : - ac_cv_search_exp2=$ac_res -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext - if test "${ac_cv_search_exp2+set}" = set; then : - break -fi -done -if test "${ac_cv_search_exp2+set}" = set; then : - -else - ac_cv_search_exp2=no -fi -rm conftest.$ac_ext -LIBS=$ac_func_search_save_LIBS -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_exp2" >&5 -$as_echo "$ac_cv_search_exp2" >&6; } -ac_res=$ac_cv_search_exp2 -if test "$ac_res" != no; then : - test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" - -else - replaced_libm=yes - -$as_echo "#define NEED_LIBM_EXP2 1" >>confdefs.h - -fi - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fma" >&5 -$as_echo_n "checking for library containing fma... " >&6; } -if test "${ac_cv_search_fma+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_func_search_save_LIBS=$LIBS -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char fma (); -int -main () -{ -return fma (); - ; - return 0; -} -_ACEOF -for ac_lib in '' m; do - if test -z "$ac_lib"; then - ac_res="none required" - else - ac_res=-l$ac_lib - LIBS="-l$ac_lib $ac_func_search_save_LIBS" - fi - if ac_fn_c_try_link "$LINENO"; then : - ac_cv_search_fma=$ac_res -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext - if test "${ac_cv_search_fma+set}" = set; then : - break -fi -done -if test "${ac_cv_search_fma+set}" = set; then : - -else - ac_cv_search_fma=no -fi -rm conftest.$ac_ext -LIBS=$ac_func_search_save_LIBS -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fma" >&5 -$as_echo "$ac_cv_search_fma" >&6; } -ac_res=$ac_cv_search_fma -if test "$ac_res" != no; then : - test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" - -else - replaced_libm=yes - -$as_echo "#define NEED_LIBM_FMA 1" >>confdefs.h - -fi - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing remquo" >&5 -$as_echo_n "checking for library containing remquo... " >&6; } -if test "${ac_cv_search_remquo+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_func_search_save_LIBS=$LIBS -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char remquo (); -int -main () -{ -return remquo (); - ; - return 0; -} -_ACEOF -for ac_lib in '' m; do - if test -z "$ac_lib"; then - ac_res="none required" - else - ac_res=-l$ac_lib - LIBS="-l$ac_lib $ac_func_search_save_LIBS" - fi - if ac_fn_c_try_link "$LINENO"; then : - ac_cv_search_remquo=$ac_res -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext - if test "${ac_cv_search_remquo+set}" = set; then : - break -fi -done -if test "${ac_cv_search_remquo+set}" = set; then : - -else - ac_cv_search_remquo=no -fi -rm conftest.$ac_ext -LIBS=$ac_func_search_save_LIBS -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_remquo" >&5 -$as_echo "$ac_cv_search_remquo" >&6; } -ac_res=$ac_cv_search_remquo -if test "$ac_res" != no; then : - test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" - -else - replaced_libm=yes - -$as_echo "#define NEED_LIBM_REMQUO 1" >>confdefs.h - -fi - - -ac_config_files="$ac_config_files altfloat.buildinfo" - -cat >confcache <<\_ACEOF -# This file is a shell script that caches the results of configure -# tests run on this system so they can be shared between configure -# scripts and configure runs, see configure's option --config-cache. -# It is not useful on other systems. If it contains results you don't -# want to keep, you may remove or edit it. -# -# config.status only pays attention to the cache file if you give it -# the --recheck option to rerun configure. -# -# `ac_cv_env_foo' variables (set or unset) will be overridden when -# loading this file, other *unset* `ac_cv_foo' will be assigned the -# following values. - -_ACEOF - -# The following way of writing the cache mishandles newlines in values, -# but we know of no workaround that is simple, portable, and efficient. -# So, we kill variables containing newlines. -# Ultrix sh set writes to stderr and can't be redirected directly, -# and sets the high bit in the cache file unless we assign to the vars. -( - for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do - eval ac_val=\$$ac_var - case $ac_val in #( - *${as_nl}*) - case $ac_var in #( - *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 -$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; - esac - case $ac_var in #( - _ | IFS | as_nl) ;; #( - BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( - *) { eval $ac_var=; unset $ac_var;} ;; - esac ;; - esac - done - - (set) 2>&1 | - case $as_nl`(ac_space=' '; set) 2>&1` in #( - *${as_nl}ac_space=\ *) - # `set' does not quote correctly, so add quotes: double-quote - # substitution turns \\\\ into \\, and sed turns \\ into \. - sed -n \ - "s/'/'\\\\''/g; - s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" - ;; #( - *) - # `set' quotes correctly as required by POSIX, so do not add quotes. - sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" - ;; - esac | - sort -) | - sed ' - /^ac_cv_env_/b end - t clear - :clear - s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ - t end - s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ - :end' >>confcache -if diff "$cache_file" confcache >/dev/null 2>&1; then :; else - if test -w "$cache_file"; then - test "x$cache_file" != "x/dev/null" && - { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 -$as_echo "$as_me: updating cache $cache_file" >&6;} - cat confcache >$cache_file - else - { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 -$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} - fi -fi -rm -f confcache - -test "x$prefix" = xNONE && prefix=$ac_default_prefix -# Let make expand exec_prefix. -test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' - -DEFS=-DHAVE_CONFIG_H - -ac_libobjs= -ac_ltlibobjs= -for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue - # 1. Remove the extension, and $U if already installed. - ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' - ac_i=`$as_echo "$ac_i" | sed "$ac_script"` - # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR - # will be set to the directory where LIBOBJS objects are built. - as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" - as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' -done -LIBOBJS=$ac_libobjs - -LTLIBOBJS=$ac_ltlibobjs - - - -: ${CONFIG_STATUS=./config.status} -ac_write_fail=0 -ac_clean_files_save=$ac_clean_files -ac_clean_files="$ac_clean_files $CONFIG_STATUS" -{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 -$as_echo "$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 >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 -## -------------------- ## -## M4sh Initialization. ## -## -------------------- ## - -# Be more Bourne compatible -DUALCASE=1; export DUALCASE # for MKS sh -if test -n "${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. Disable this feature. - alias -g '${1+"$@"}'='"$@"' - setopt NO_GLOB_SUBST -else - case `(set -o) 2>/dev/null` in #( - *posix*) : - set -o posix ;; #( - *) : - ;; -esac -fi - - -as_nl=' -' -export as_nl -# Printing a long string crashes Solaris 7 /usr/bin/printf. -as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' -as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo -as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo -# Prefer a ksh shell builtin over an external printf program on Solaris, -# but without wasting forks for bash or zsh. -if test -z "$BASH_VERSION$ZSH_VERSION" \ - && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then - as_echo='print -r --' - as_echo_n='print -rn --' -elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then - as_echo='printf %s\n' - as_echo_n='printf %s' -else - if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then - as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' - as_echo_n='/usr/ucb/echo -n' - else - as_echo_body='eval expr "X$1" : "X\\(.*\\)"' - as_echo_n_body='eval - arg=$1; - case $arg in #( - *"$as_nl"*) - expr "X$arg" : "X\\(.*\\)$as_nl"; - arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; - esac; - expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" - ' - export as_echo_n_body - as_echo_n='sh -c $as_echo_n_body as_echo' - fi - export as_echo_body - as_echo='sh -c $as_echo_body as_echo' -fi - -# The user is always right. -if test "${PATH_SEPARATOR+set}" != set; 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 - - -# IFS -# We need space, tab and new line, in precisely that order. Quoting is -# there to prevent editors from complaining about space-tab. -# (If _AS_PATH_WALK were called with IFS unset, it would disable word -# splitting by setting IFS to empty value.) -IFS=" "" $as_nl" - -# Find who we are. Look in the path if we contain no directory separator. -case $0 in #(( - *[\\/]* ) as_myself=$0 ;; - *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break - done -IFS=$as_save_IFS - - ;; -esac -# We did not find ourselves, most probably we were run as `sh COMMAND' -# in which case we are not to be found in the path. -if test "x$as_myself" = x; then - as_myself=$0 -fi -if test ! -f "$as_myself"; then - $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 - exit 1 -fi - -# Unset variables that we do not need and which cause bugs (e.g. in -# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" -# suppresses any "Segmentation fault" message there. '((' could -# trigger a bug in pdksh 5.2.14. -for as_var in BASH_ENV ENV MAIL MAILPATH -do eval test x\${$as_var+set} = xset \ - && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : -done -PS1='$ ' -PS2='> ' -PS4='+ ' - -# NLS nuisances. -LC_ALL=C -export LC_ALL -LANGUAGE=C -export LANGUAGE - -# CDPATH. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - - -# as_fn_error 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 $?, using 1 if that was 0. -as_fn_error () -{ - as_status=$?; test $as_status -eq 0 && as_status=1 - if test "$3"; then - as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack - $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3 - fi - $as_echo "$as_me: error: $1" >&2 - as_fn_exit $as_status -} # as_fn_error - - -# as_fn_set_status STATUS -# ----------------------- -# Set $? to STATUS, without forking. -as_fn_set_status () -{ - return $1 -} # as_fn_set_status - -# as_fn_exit STATUS -# ----------------- -# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. -as_fn_exit () -{ - set +e - as_fn_set_status $1 - exit $1 -} # as_fn_exit - -# as_fn_unset VAR -# --------------- -# Portably unset VAR. -as_fn_unset () -{ - { eval $1=; unset $1;} -} -as_unset=as_fn_unset -# as_fn_append VAR VALUE -# ---------------------- -# Append the text in VALUE to the end of the definition contained in VAR. Take -# advantage of any shell optimizations that allow amortized linear growth over -# repeated appends, instead of the typical quadratic growth present in naive -# implementations. -if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : - eval 'as_fn_append () - { - eval $1+=\$2 - }' -else - as_fn_append () - { - eval $1=\$$1\$2 - } -fi # as_fn_append - -# as_fn_arith ARG... -# ------------------ -# Perform arithmetic evaluation on the ARGs, and store the result in the -# global $as_val. Take advantage of shells that can avoid forks. The arguments -# must be portable across $(()) and expr. -if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : - eval 'as_fn_arith () - { - as_val=$(( $* )) - }' -else - as_fn_arith () - { - as_val=`expr "$@" || test $? -eq 1` - } -fi # as_fn_arith - - -if expr a : '\(a\)' >/dev/null 2>&1 && - test "X`expr 00001 : '.*\(...\)'`" = X001; then - as_expr=expr -else - as_expr=false -fi - -if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then - as_basename=basename -else - as_basename=false -fi - -if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then - as_dirname=dirname -else - as_dirname=false -fi - -as_me=`$as_basename -- "$0" || -$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ - X"$0" : 'X\(//\)$' \| \ - X"$0" : 'X\(/\)' \| . 2>/dev/null || -$as_echo 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 - -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 - -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$$ 2>/dev/null; then - as_ln_s='ln -s' - # ... but there are two gotchas: - # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. - # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. - # In both cases, we have to default to `cp -p'. - ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || - as_ln_s='cp -p' - elif ln conf$$.file conf$$ 2>/dev/null; then - as_ln_s=ln - else - as_ln_s='cp -p' - fi -else - as_ln_s='cp -p' -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 $as_dir in #( - *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( - *) as_qdir=$as_dir;; - esac - as_dirs="'$as_qdir' $as_dirs" - as_dir=`$as_dirname -- "$as_dir" || -$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ - X"$as_dir" : 'X\(//\)[^/]' \| \ - X"$as_dir" : 'X\(//\)$' \| \ - X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || -$as_echo X"$as_dir" | - sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ - s//\1/ - q - } - /^X\(\/\/\)[^/].*/{ - s//\1/ - q - } - /^X\(\/\/\)$/{ - s//\1/ - q - } - /^X\(\/\).*/{ - s//\1/ - q - } - s/.*/./; q'` - test -d "$as_dir" && break - done - test -z "$as_dirs" || eval "mkdir $as_dirs" - } || test -d "$as_dir" || 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 - -if test -x / >/dev/null 2>&1; then - as_test_x='test -x' -else - if ls -dL / >/dev/null 2>&1; then - as_ls_L_option=L - else - as_ls_L_option= - fi - as_test_x=' - eval sh -c '\'' - if test -d "$1"; then - test -d "$1/."; - else - case $1 in #( - -*)set "./$1";; - esac; - case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( - ???[sx]*):;;*)false;;esac;fi - '\'' sh - ' -fi -as_executable_p=$as_test_x - -# Sed expression to map a string onto a valid CPP name. -as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" - -# Sed expression to map a string onto a valid variable name. -as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" - - -exec 6>&1 -## ----------------------------------- ## -## Main body of $CONFIG_STATUS script. ## -## ----------------------------------- ## -_ASEOF -test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 - -cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 -# Save the log message, to keep $0 and so on meaningful, and to -# report actual input values of CONFIG_FILES etc. instead of their -# values after options handling. -ac_log=" -This file was extended by altfloat $as_me 0.2.2, which was -generated by GNU Autoconf 2.65. 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_files in *" -"*) set x $ac_config_files; shift; ac_config_files=$*;; -esac - -case $ac_config_headers in *" -"*) set x $ac_config_headers; shift; ac_config_headers=$*;; -esac - - -cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 -# Files that config.status was made for. -config_files="$ac_config_files" -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 $as_me by reconfiguring in the same conditions - --file=FILE[:TEMPLATE] - instantiate the configuration file FILE - --header=FILE[:TEMPLATE] - instantiate the configuration header FILE - -Configuration files: -$config_files - -Configuration headers: -$config_headers - -Report bugs to ." - -_ACEOF -cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 -ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" -ac_cs_version="\\ -altfloat config.status 0.2.2 +# Generated by GNU Autoconf 2.65 for altfloat 0.3. +# +# Report bugs to . +# +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; 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 + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + # We cannot yet assume a decent shell, so we have to provide a + # neutralization value for shells without unset; and this also + # works around shells that cannot unset nonexistent variables. + BASH_ENV=/dev/null + ENV=/dev/null + (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV + export CONFIG_SHELL + exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"} +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and nbowler@draconx.ca +$0: about your system, including any error possibly output +$0: before this message. Then install a modern shell, or +$0: manually run the script under such a shell if you do +$0: have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# 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 $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$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 $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error 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 $?, using 1 if that was 0. +as_fn_error () +{ + as_status=$?; test $as_status -eq 0 && as_status=1 + if test "$3"; then + as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3 + fi + $as_echo "$as_me: error: $1" >&2 + as_fn_exit $as_status +} # as_fn_error + +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 || +$as_echo 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 + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit +} + +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 + +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$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -p' + fi +else + as_ln_s='cp -p' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + +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 + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in #( + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +test -n "$DJDIR" || exec 7<&0 &1 + +# Name of the host. +# hostname on some systems (SVR3.2, Linux) returns a bogus exit status, +# so uname gets run too. +ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q` + +# +# Initializations. +# +ac_default_prefix=/usr/local +ac_clean_files= +ac_config_libobj_dir=. +LIBOBJS= +cross_compiling=no +subdirs= +MFLAGS= +MAKEFLAGS= + +# Identity of this package. +PACKAGE_NAME='altfloat' +PACKAGE_TARNAME='altfloat' +PACKAGE_VERSION='0.3' +PACKAGE_STRING='altfloat 0.3' +PACKAGE_BUGREPORT='nbowler@draconx.ca' +PACKAGE_URL='' + +ac_unique_file="altfloat.cabal" +ac_subst_vars='LTLIBOBJS +LIBOBJS +CC_OPTS +OBJEXT +EXEEXT +ac_ct_CC +CPPFLAGS +LDFLAGS +CFLAGS +CC +target_alias +host_alias +build_alias +LIBS +ECHO_T +ECHO_N +ECHO_C +DEFS +mandir +localedir +libdir +psdir +pdfdir +dvidir +htmldir +infodir +docdir +oldincludedir +includedir +localstatedir +sharedstatedir +sysconfdir +datadir +datarootdir +libexecdir +sbindir +bindir +program_transform_name +prefix +exec_prefix +PACKAGE_URL +PACKAGE_BUGREPORT +PACKAGE_STRING +PACKAGE_VERSION +PACKAGE_TARNAME +PACKAGE_NAME +PATH_SEPARATOR +SHELL' +ac_subst_files='' +ac_user_opts=' +enable_option_checking +with_compiler +' + ac_precious_vars='build_alias +host_alias +target_alias +CC +CFLAGS +LDFLAGS +LIBS +CPPFLAGS' + + +# Initialize some variables set by options. +ac_init_help= +ac_init_version=false +ac_unrecognized_opts= +ac_unrecognized_sep= +# The variables have the same names as the options, with +# dashes changed to underlines. +cache_file=/dev/null +exec_prefix=NONE +no_create= +no_recursion= +prefix=NONE +program_prefix=NONE +program_suffix=NONE +program_transform_name=s,x,x, +silent= +site= +srcdir= +verbose= +x_includes=NONE +x_libraries=NONE + +# Installation directory options. +# These are left unexpanded so users can "make install exec_prefix=/foo" +# and all the variables that are supposed to be based on exec_prefix +# by default will actually change. +# Use braces instead of parens because sh, perl, etc. also accept them. +# (The list follows the same order as the GNU Coding Standards.) +bindir='${exec_prefix}/bin' +sbindir='${exec_prefix}/sbin' +libexecdir='${exec_prefix}/libexec' +datarootdir='${prefix}/share' +datadir='${datarootdir}' +sysconfdir='${prefix}/etc' +sharedstatedir='${prefix}/com' +localstatedir='${prefix}/var' +includedir='${prefix}/include' +oldincludedir='/usr/include' +docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' +infodir='${datarootdir}/info' +htmldir='${docdir}' +dvidir='${docdir}' +pdfdir='${docdir}' +psdir='${docdir}' +libdir='${exec_prefix}/lib' +localedir='${datarootdir}/locale' +mandir='${datarootdir}/man' + +ac_prev= +ac_dashdash= +for ac_option +do + # If the previous option needs an argument, assign it. + if test -n "$ac_prev"; then + eval $ac_prev=\$ac_option + ac_prev= + continue + fi + + case $ac_option in + *=*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;; + *) ac_optarg=yes ;; + esac + + # Accept the important Cygnus configure options, so we can diagnose typos. + + case $ac_dashdash$ac_option in + --) + ac_dashdash=yes ;; + + -bindir | --bindir | --bindi | --bind | --bin | --bi) + ac_prev=bindir ;; + -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*) + bindir=$ac_optarg ;; + + -build | --build | --buil | --bui | --bu) + ac_prev=build_alias ;; + -build=* | --build=* | --buil=* | --bui=* | --bu=*) + build_alias=$ac_optarg ;; + + -cache-file | --cache-file | --cache-fil | --cache-fi \ + | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c) + ac_prev=cache_file ;; + -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \ + | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*) + cache_file=$ac_optarg ;; + + --config-cache | -C) + cache_file=config.cache ;; + + -datadir | --datadir | --datadi | --datad) + ac_prev=datadir ;; + -datadir=* | --datadir=* | --datadi=* | --datad=*) + datadir=$ac_optarg ;; + + -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \ + | --dataroo | --dataro | --datar) + ac_prev=datarootdir ;; + -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \ + | --dataroot=* | --dataroo=* | --dataro=* | --datar=*) + datarootdir=$ac_optarg ;; + + -disable-* | --disable-*) + ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'` + # Reject names that are not valid shell variable names. + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error "invalid feature name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"enable_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval enable_$ac_useropt=no ;; + + -docdir | --docdir | --docdi | --doc | --do) + ac_prev=docdir ;; + -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*) + docdir=$ac_optarg ;; + + -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv) + ac_prev=dvidir ;; + -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*) + dvidir=$ac_optarg ;; + + -enable-* | --enable-*) + ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'` + # Reject names that are not valid shell variable names. + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error "invalid feature name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"enable_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval enable_$ac_useropt=\$ac_optarg ;; + + -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \ + | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \ + | --exec | --exe | --ex) + ac_prev=exec_prefix ;; + -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \ + | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \ + | --exec=* | --exe=* | --ex=*) + exec_prefix=$ac_optarg ;; + + -gas | --gas | --ga | --g) + # Obsolete; use --with-gas. + with_gas=yes ;; + + -help | --help | --hel | --he | -h) + ac_init_help=long ;; + -help=r* | --help=r* | --hel=r* | --he=r* | -hr*) + ac_init_help=recursive ;; + -help=s* | --help=s* | --hel=s* | --he=s* | -hs*) + ac_init_help=short ;; + + -host | --host | --hos | --ho) + ac_prev=host_alias ;; + -host=* | --host=* | --hos=* | --ho=*) + host_alias=$ac_optarg ;; + + -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht) + ac_prev=htmldir ;; + -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \ + | --ht=*) + htmldir=$ac_optarg ;; + + -includedir | --includedir | --includedi | --included | --include \ + | --includ | --inclu | --incl | --inc) + ac_prev=includedir ;; + -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \ + | --includ=* | --inclu=* | --incl=* | --inc=*) + includedir=$ac_optarg ;; + + -infodir | --infodir | --infodi | --infod | --info | --inf) + ac_prev=infodir ;; + -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*) + infodir=$ac_optarg ;; + + -libdir | --libdir | --libdi | --libd) + ac_prev=libdir ;; + -libdir=* | --libdir=* | --libdi=* | --libd=*) + libdir=$ac_optarg ;; + + -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \ + | --libexe | --libex | --libe) + ac_prev=libexecdir ;; + -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \ + | --libexe=* | --libex=* | --libe=*) + libexecdir=$ac_optarg ;; + + -localedir | --localedir | --localedi | --localed | --locale) + ac_prev=localedir ;; + -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*) + localedir=$ac_optarg ;; + + -localstatedir | --localstatedir | --localstatedi | --localstated \ + | --localstate | --localstat | --localsta | --localst | --locals) + ac_prev=localstatedir ;; + -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \ + | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*) + localstatedir=$ac_optarg ;; + + -mandir | --mandir | --mandi | --mand | --man | --ma | --m) + ac_prev=mandir ;; + -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*) + mandir=$ac_optarg ;; + + -nfp | --nfp | --nf) + # Obsolete; use --without-fp. + with_fp=no ;; + + -no-create | --no-create | --no-creat | --no-crea | --no-cre \ + | --no-cr | --no-c | -n) + no_create=yes ;; + + -no-recursion | --no-recursion | --no-recursio | --no-recursi \ + | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) + no_recursion=yes ;; + + -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \ + | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \ + | --oldin | --oldi | --old | --ol | --o) + ac_prev=oldincludedir ;; + -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \ + | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \ + | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*) + oldincludedir=$ac_optarg ;; + + -prefix | --prefix | --prefi | --pref | --pre | --pr | --p) + ac_prev=prefix ;; + -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*) + prefix=$ac_optarg ;; + + -program-prefix | --program-prefix | --program-prefi | --program-pref \ + | --program-pre | --program-pr | --program-p) + ac_prev=program_prefix ;; + -program-prefix=* | --program-prefix=* | --program-prefi=* \ + | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*) + program_prefix=$ac_optarg ;; + + -program-suffix | --program-suffix | --program-suffi | --program-suff \ + | --program-suf | --program-su | --program-s) + ac_prev=program_suffix ;; + -program-suffix=* | --program-suffix=* | --program-suffi=* \ + | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*) + program_suffix=$ac_optarg ;; + + -program-transform-name | --program-transform-name \ + | --program-transform-nam | --program-transform-na \ + | --program-transform-n | --program-transform- \ + | --program-transform | --program-transfor \ + | --program-transfo | --program-transf \ + | --program-trans | --program-tran \ + | --progr-tra | --program-tr | --program-t) + ac_prev=program_transform_name ;; + -program-transform-name=* | --program-transform-name=* \ + | --program-transform-nam=* | --program-transform-na=* \ + | --program-transform-n=* | --program-transform-=* \ + | --program-transform=* | --program-transfor=* \ + | --program-transfo=* | --program-transf=* \ + | --program-trans=* | --program-tran=* \ + | --progr-tra=* | --program-tr=* | --program-t=*) + program_transform_name=$ac_optarg ;; + + -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd) + ac_prev=pdfdir ;; + -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*) + pdfdir=$ac_optarg ;; + + -psdir | --psdir | --psdi | --psd | --ps) + ac_prev=psdir ;; + -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*) + psdir=$ac_optarg ;; + + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + silent=yes ;; + + -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) + ac_prev=sbindir ;; + -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ + | --sbi=* | --sb=*) + sbindir=$ac_optarg ;; + + -sharedstatedir | --sharedstatedir | --sharedstatedi \ + | --sharedstated | --sharedstate | --sharedstat | --sharedsta \ + | --sharedst | --shareds | --shared | --share | --shar \ + | --sha | --sh) + ac_prev=sharedstatedir ;; + -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \ + | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \ + | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \ + | --sha=* | --sh=*) + sharedstatedir=$ac_optarg ;; + + -site | --site | --sit) + ac_prev=site ;; + -site=* | --site=* | --sit=*) + site=$ac_optarg ;; + + -srcdir | --srcdir | --srcdi | --srcd | --src | --sr) + ac_prev=srcdir ;; + -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) + srcdir=$ac_optarg ;; + + -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \ + | --syscon | --sysco | --sysc | --sys | --sy) + ac_prev=sysconfdir ;; + -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \ + | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*) + sysconfdir=$ac_optarg ;; + + -target | --target | --targe | --targ | --tar | --ta | --t) + ac_prev=target_alias ;; + -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*) + target_alias=$ac_optarg ;; + + -v | -verbose | --verbose | --verbos | --verbo | --verb) + verbose=yes ;; + + -version | --version | --versio | --versi | --vers | -V) + ac_init_version=: ;; + + -with-* | --with-*) + ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'` + # Reject names that are not valid shell variable names. + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error "invalid package name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"with_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval with_$ac_useropt=\$ac_optarg ;; + + -without-* | --without-*) + ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'` + # Reject names that are not valid shell variable names. + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null && + as_fn_error "invalid package name: $ac_useropt" + ac_useropt_orig=$ac_useropt + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'` + case $ac_user_opts in + *" +"with_$ac_useropt" +"*) ;; + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig" + ac_unrecognized_sep=', ';; + esac + eval with_$ac_useropt=no ;; + + --x) + # Obsolete; use --with-x. + with_x=yes ;; + + -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \ + | --x-incl | --x-inc | --x-in | --x-i) + ac_prev=x_includes ;; + -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \ + | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*) + x_includes=$ac_optarg ;; + + -x-libraries | --x-libraries | --x-librarie | --x-librari \ + | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l) + ac_prev=x_libraries ;; + -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \ + | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*) + x_libraries=$ac_optarg ;; + + -*) as_fn_error "unrecognized option: \`$ac_option' +Try \`$0 --help' for more information." + ;; + + *=*) + ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='` + # Reject names that are not valid shell variable names. + case $ac_envvar in #( + '' | [0-9]* | *[!_$as_cr_alnum]* ) + as_fn_error "invalid variable name: \`$ac_envvar'" ;; + esac + eval $ac_envvar=\$ac_optarg + export $ac_envvar ;; + + *) + # FIXME: should be removed in autoconf 3.0. + $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2 + expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null && + $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2 + : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option} + ;; + + esac +done + +if test -n "$ac_prev"; then + ac_option=--`echo $ac_prev | sed 's/_/-/g'` + as_fn_error "missing argument to $ac_option" +fi + +if test -n "$ac_unrecognized_opts"; then + case $enable_option_checking in + no) ;; + fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;; + *) $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;; + esac +fi + +# Check all directory arguments for consistency. +for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ + datadir sysconfdir sharedstatedir localstatedir includedir \ + oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ + libdir localedir mandir +do + eval ac_val=\$$ac_var + # Remove trailing slashes. + case $ac_val in + */ ) + ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'` + eval $ac_var=\$ac_val;; + esac + # Be sure to have absolute directory names. + case $ac_val in + [\\/$]* | ?:[\\/]* ) continue;; + NONE | '' ) case $ac_var in *prefix ) continue;; esac;; + esac + as_fn_error "expected an absolute directory name for --$ac_var: $ac_val" +done + +# There might be people who depend on the old broken behavior: `$host' +# used to hold the argument of --host etc. +# FIXME: To remove some day. +build=$build_alias +host=$host_alias +target=$target_alias + +# FIXME: To remove some day. +if test "x$host_alias" != x; then + if test "x$build_alias" = x; then + cross_compiling=maybe + $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host. + If a cross compiler is detected then cross compile mode will be used." >&2 + elif test "x$build_alias" != "x$host_alias"; then + cross_compiling=yes + fi +fi + +ac_tool_prefix= +test -n "$host_alias" && ac_tool_prefix=$host_alias- + +test "$silent" = yes && exec 6>/dev/null + + +ac_pwd=`pwd` && test -n "$ac_pwd" && +ac_ls_di=`ls -di .` && +ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` || + as_fn_error "working directory cannot be determined" +test "X$ac_ls_di" = "X$ac_pwd_ls_di" || + as_fn_error "pwd does not report name of working directory" + + +# Find the source files, if location was not specified. +if test -z "$srcdir"; then + ac_srcdir_defaulted=yes + # Try the directory containing this script, then the parent directory. + ac_confdir=`$as_dirname -- "$as_myself" || +$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_myself" : 'X\(//\)[^/]' \| \ + X"$as_myself" : 'X\(//\)$' \| \ + X"$as_myself" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_myself" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + srcdir=$ac_confdir + if test ! -r "$srcdir/$ac_unique_file"; then + srcdir=.. + fi +else + ac_srcdir_defaulted=no +fi +if test ! -r "$srcdir/$ac_unique_file"; then + test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .." + as_fn_error "cannot find sources ($ac_unique_file) in $srcdir" +fi +ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work" +ac_abs_confdir=`( + cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg" + pwd)` +# When building in place, set srcdir=. +if test "$ac_abs_confdir" = "$ac_pwd"; then + srcdir=. +fi +# Remove unnecessary trailing slashes from srcdir. +# Double slashes in file names in object file debugging info +# mess up M-x gdb in Emacs. +case $srcdir in +*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;; +esac +for ac_var in $ac_precious_vars; do + eval ac_env_${ac_var}_set=\${${ac_var}+set} + eval ac_env_${ac_var}_value=\$${ac_var} + eval ac_cv_env_${ac_var}_set=\${${ac_var}+set} + eval ac_cv_env_${ac_var}_value=\$${ac_var} +done + +# +# Report the --help message. +# +if test "$ac_init_help" = "long"; then + # Omit some internal or obsolete options to make the list less imposing. + # This message is too long to be a string in the A/UX 3.1 sh. + cat <<_ACEOF +\`configure' configures altfloat 0.3 to adapt to many kinds of systems. + +Usage: $0 [OPTION]... [VAR=VALUE]... + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/altfloat] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of altfloat 0.3:";; + esac + cat <<\_ACEOF + +Optional Packages: + --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] + --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) + --with-compiler specify which Haskell compiler to use + +Some influential environment variables: + CC C compiler command + CFLAGS C compiler flags + LDFLAGS linker flags, e.g. -L if you have libraries in a + nonstandard directory + LIBS libraries to pass to the linker, e.g. -l + CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if + you have headers in a nonstandard directory + +Use these variables to override the choices made by `configure' or to help +it to find libraries and programs with nonstandard names/locations. + +Report bugs to . +_ACEOF +ac_status=$? +fi + +if test "$ac_init_help" = "recursive"; then + # If there are subdirs, report their specific --help. + for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue + test -d "$ac_dir" || + { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } || + continue + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + cd "$ac_dir" || { ac_status=$?; continue; } + # Check for guested configure. + if test -f "$ac_srcdir/configure.gnu"; then + echo && + $SHELL "$ac_srcdir/configure.gnu" --help=recursive + elif test -f "$ac_srcdir/configure"; then + echo && + $SHELL "$ac_srcdir/configure" --help=recursive + else + $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2 + fi || ac_status=$? + cd "$ac_pwd" || { ac_status=$?; break; } + done +fi + +test -n "$ac_init_help" && exit $ac_status +if $ac_init_version; then + cat <<\_ACEOF +altfloat configure 0.3 +generated by GNU Autoconf 2.65 + +Copyright (C) 2009 Free Software Foundation, Inc. +This configure script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it. +_ACEOF + exit +fi + +## ------------------------ ## +## Autoconf initialization. ## +## ------------------------ ## + +# ac_fn_c_try_compile LINENO +# -------------------------- +# Try to compile conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext + if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + as_fn_set_status $ac_retval + +} # ac_fn_c_try_compile + +# ac_fn_c_try_run LINENO +# ---------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes +# that executables *can* be run. +ac_fn_c_try_run () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { ac_try='./conftest$ac_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}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + ac_retval=0 +else + $as_echo "$as_me: program exited with status $ac_status" >&5 + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=$ac_status +fi + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + as_fn_set_status $ac_retval + +} # ac_fn_c_try_run + +# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES +# -------------------------------------------- +# Tries to find the compile-time value of EXPR in a program that includes +# INCLUDES, setting VAR accordingly. Returns whether the value could be +# computed +ac_fn_c_compute_int () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=0 ac_mid=0 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid; break +else + as_fn_arith $ac_mid + 1 && ac_lo=$as_val + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) < 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=-1 ac_mid=-1 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=$ac_mid; break +else + as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + ac_lo= ac_hi= +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid +else + as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +done +case $ac_lo in #(( +?*) eval "$3=\$ac_lo"; ac_retval=0 ;; +'') ac_retval=1 ;; +esac + else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +static long int longval () { return $2; } +static unsigned long int ulongval () { return $2; } +#include +#include +int +main () +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + return 1; + if (($2) < 0) + { + long int i = longval (); + if (i != ($2)) + return 1; + fprintf (f, "%ld", i); + } + else + { + unsigned long int i = ulongval (); + if (i != ($2)) + return 1; + fprintf (f, "%lu", i); + } + /* Do not output a trailing newline, as this causes \r\n confusion + on some platforms. */ + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + echo >>conftest.val; read $3 &5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + $as_test_x conftest$ac_exeext + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + as_fn_set_status $ac_retval + +} # ac_fn_c_try_link +cat >config.log <<_ACEOF +This file contains any messages produced by compilers while +running configure, to aid debugging if configure makes a mistake. + +It was created by altfloat $as_me 0.3, which was +generated by GNU Autoconf 2.65. Invocation command line was + + $ $0 $@ + +_ACEOF +exec 5>>config.log +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + $as_echo "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 $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *\'*) + ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; + 2) + as_fn_append ac_configure_args1 " '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + as_fn_append ac_configure_args " '$ac_arg'" + ;; + esac + done +done +{ ac_configure_args0=; unset ac_configure_args0;} +{ ac_configure_args1=; unset ac_configure_args1;} + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Save into config.log some information that might help in debugging. + { + echo + + cat <<\_ASBOX +## ---------------- ## +## Cache variables. ## +## ---------------- ## +_ASBOX + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + cat <<\_ASBOX +## ----------------- ## +## Output variables. ## +## ----------------- ## +_ASBOX + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + cat <<\_ASBOX +## ------------------- ## +## File substitutions. ## +## ------------------- ## +_ASBOX + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + $as_echo "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + cat <<\_ASBOX +## ----------- ## +## confdefs.h. ## +## ----------- ## +_ASBOX + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + $as_echo "$as_me: caught signal $ac_signal" + $as_echo "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +$as_echo "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_NAME "$PACKAGE_NAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_TARNAME "$PACKAGE_TARNAME" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_VERSION "$PACKAGE_VERSION" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_STRING "$PACKAGE_STRING" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" +_ACEOF + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_URL "$PACKAGE_URL" +_ACEOF + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +ac_site_file1=NONE +ac_site_file2=NONE +if test -n "$CONFIG_SITE"; then + ac_site_file1=$CONFIG_SITE +elif test "x$prefix" != xNONE; then + ac_site_file1=$prefix/share/config.site + ac_site_file2=$prefix/etc/config.site +else + ac_site_file1=$ac_default_prefix/share/config.site + ac_site_file2=$ac_default_prefix/etc/config.site +fi +for ac_site_file in "$ac_site_file1" "$ac_site_file2" +do + test "x$ac_site_file" = xNONE && continue + if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +$as_echo "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +$as_echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +$as_echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +$as_echo "$as_me: former value: \`$ac_old_val'" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +$as_echo "$as_me: current value: \`$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=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +ac_config_headers="$ac_config_headers config.h" + + + +# Check whether --with-compiler was given. +if test "${with_compiler+set}" = set; then : + withval=$with_compiler; +fi + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$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 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$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 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$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 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$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 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "no acceptable C compiler found in \$PATH +See \`config.log' for more details." "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$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}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$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 + $as_echo "$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 () +{ + + ; + 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. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$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}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$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 "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ as_fn_set_status 77 +as_fn_error "C compiler cannot create executables +See \`config.log' for more details." "$LINENO" 5; }; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +$as_echo "$ac_file" >&6; } +ac_exeext=$ac_cv_exeext + +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +$as_echo_n "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$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}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$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}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$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 + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if test "${ac_cv_objext+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error "cannot compute suffix of object files: cannot compile +See \`config.log' for more details." "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + 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.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if test "${ac_cv_prog_cc_c89+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +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 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5 +$as_echo_n "checking for $CC option to accept ISO C99... " >&6; } +if test "${ac_cv_prog_cc_c99+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c99=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +#include + +// Check varargs macros. These examples are taken from C99 6.10.3.5. +#define debug(...) fprintf (stderr, __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 + your preprocessor is broken; +#endif +#if BIG_OK +#else + your preprocessor is broken; +#endif +static long long int bignum = -9223372036854775807LL; +static unsigned long long int ubignum = BIG64; + +struct incomplete_array +{ + int datasize; + double data[]; +}; + +struct named_init { + int number; + const wchar_t *name; + double average; +}; + +typedef const char *ccp; + +static inline int +test_restrict (ccp restrict text) +{ + // See if C++-style comments work. + // Iterate through items via the restricted pointer. + // Also check for declarations in for loops. + for (unsigned int i = 0; *(text+i) != '\0'; ++i) + continue; + return 0; +} + +// Check varargs and va_copy. +static void +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; + float fnumber; + + 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); +} + +int +main () +{ + + // Check bool. + _Bool success = false; + + // Check restrict. + if (test_restrict ("String literal") == 0) + success = true; + char *restrict newvar = "Another string"; + + // Check varargs. + test_varargs ("s, d' f .", "string", 65, 34.234); + test_varargs_macros (); + + // Check flexible array members. + struct incomplete_array *ia = + malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); + ia->datasize = 10; + for (int i = 0; i < ia->datasize; ++i) + ia->data[i] = i * 1.234; + + // Check named initializers. + struct named_init ni = { + .number = 34, + .name = L"Test wide string", + .average = 543.34343, + }; + + ni.number = 58; + + int dynamic_array[ni.number]; + dynamic_array[ni.number - 1] = 543; + + // work around unused variable warnings + return (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x' + || dynamic_array[ni.number - 1] != 543); + + ; + return 0; +} +_ACEOF +for ac_arg in '' -std=gnu99 -std=c99 -c99 -AC99 -xc99=all -qlanglvl=extc99 +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 + test "x$ac_cv_prog_cc_c99" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c99" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c99" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5 +$as_echo "$ac_cv_prog_cc_c99" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c99" != xno; then : + +fi + + + +CC_OPTS=`echo $CC | sed 's/[^[:space:]]*//'` + + + + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of fenv_t" >&5 +$as_echo_n "checking size of fenv_t... " >&6; } +if test "${ac_cv_sizeof_fenv_t+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (fenv_t))" "ac_cv_sizeof_fenv_t" "#include + +"; then : + +else + if test "$ac_cv_type_fenv_t" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ as_fn_set_status 77 +as_fn_error "cannot compute sizeof (fenv_t) +See \`config.log' for more details." "$LINENO" 5; }; } + else + ac_cv_sizeof_fenv_t=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_fenv_t" >&5 +$as_echo "$ac_cv_sizeof_fenv_t" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_FENV_T $ac_cv_sizeof_fenv_t +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler, +# see AC_CHECK_SIZEOF for more information. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking alignment of fenv_t" >&5 +$as_echo_n "checking alignment of fenv_t... " >&6; } +if test "${ac_cv_alignof_fenv_t+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) offsetof (ac__type_alignof_, y)" "ac_cv_alignof_fenv_t" "#include + + +#ifndef offsetof +# define offsetof(type, member) ((char *) &((type *) 0)->member - (char *) 0) +#endif +typedef struct { char x; fenv_t y; } ac__type_alignof_;"; then : + +else + if test "$ac_cv_type_fenv_t" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ as_fn_set_status 77 +as_fn_error "cannot compute alignment of fenv_t +See \`config.log' for more details." "$LINENO" 5; }; } + else + ac_cv_alignof_fenv_t=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_alignof_fenv_t" >&5 +$as_echo "$ac_cv_alignof_fenv_t" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define ALIGNOF_FENV_T $ac_cv_alignof_fenv_t +_ACEOF + + + + + +replaced_libm=no + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing nan" >&5 +$as_echo_n "checking for library containing nan... " >&6; } +if test "${ac_cv_search_nan+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char nan (); +int +main () +{ +return nan (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_nan=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_nan+set}" = set; then : + break +fi +done +if test "${ac_cv_search_nan+set}" = set; then : + +else + ac_cv_search_nan=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_nan" >&5 +$as_echo "$ac_cv_search_nan" >&6; } +ac_res=$ac_cv_search_nan +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_NAN 1" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log2" >&5 +$as_echo_n "checking for library containing log2... " >&6; } +if test "${ac_cv_search_log2+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char log2 (); +int +main () +{ +return log2 (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_log2=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_log2+set}" = set; then : + break +fi +done +if test "${ac_cv_search_log2+set}" = set; then : + +else + ac_cv_search_log2=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_log2" >&5 +$as_echo "$ac_cv_search_log2" >&6; } +ac_res=$ac_cv_search_log2 +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LOG2 1" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing exp2" >&5 +$as_echo_n "checking for library containing exp2... " >&6; } +if test "${ac_cv_search_exp2+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char exp2 (); +int +main () +{ +return exp2 (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_exp2=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_exp2+set}" = set; then : + break +fi +done +if test "${ac_cv_search_exp2+set}" = set; then : + +else + ac_cv_search_exp2=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_exp2" >&5 +$as_echo "$ac_cv_search_exp2" >&6; } +ac_res=$ac_cv_search_exp2 +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_EXP2 1" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fma" >&5 +$as_echo_n "checking for library containing fma... " >&6; } +if test "${ac_cv_search_fma+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fma (); +int +main () +{ +return fma (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_fma=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_fma+set}" = set; then : + break +fi +done +if test "${ac_cv_search_fma+set}" = set; then : + +else + ac_cv_search_fma=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fma" >&5 +$as_echo "$ac_cv_search_fma" >&6; } +ac_res=$ac_cv_search_fma +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FMA 1" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing remquo" >&5 +$as_echo_n "checking for library containing remquo... " >&6; } +if test "${ac_cv_search_remquo+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char remquo (); +int +main () +{ +return remquo (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_remquo=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_remquo+set}" = set; then : + break +fi +done +if test "${ac_cv_search_remquo+set}" = set; then : + +else + ac_cv_search_remquo=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_remquo" >&5 +$as_echo "$ac_cv_search_remquo" >&6; } +ac_res=$ac_cv_search_remquo +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_REMQUO 1" >>confdefs.h + +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing acosf" >&5 +$as_echo_n "checking for library containing acosf... " >&6; } +if test "${ac_cv_search_acosf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char acosf (); +int +main () +{ +return acosf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_acosf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_acosf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_acosf+set}" = set; then : + +else + ac_cv_search_acosf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_acosf" >&5 +$as_echo "$ac_cv_search_acosf" >&6; } +ac_res=$ac_cv_search_acosf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ACOSF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing asinf" >&5 +$as_echo_n "checking for library containing asinf... " >&6; } +if test "${ac_cv_search_asinf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char asinf (); +int +main () +{ +return asinf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_asinf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_asinf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_asinf+set}" = set; then : + +else + ac_cv_search_asinf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_asinf" >&5 +$as_echo "$ac_cv_search_asinf" >&6; } +ac_res=$ac_cv_search_asinf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ASINF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing atanf" >&5 +$as_echo_n "checking for library containing atanf... " >&6; } +if test "${ac_cv_search_atanf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char atanf (); +int +main () +{ +return atanf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_atanf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_atanf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_atanf+set}" = set; then : + +else + ac_cv_search_atanf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_atanf" >&5 +$as_echo "$ac_cv_search_atanf" >&6; } +ac_res=$ac_cv_search_atanf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ATANF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing atan2f" >&5 +$as_echo_n "checking for library containing atan2f... " >&6; } +if test "${ac_cv_search_atan2f+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char atan2f (); +int +main () +{ +return atan2f (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_atan2f=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_atan2f+set}" = set; then : + break +fi +done +if test "${ac_cv_search_atan2f+set}" = set; then : + +else + ac_cv_search_atan2f=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_atan2f" >&5 +$as_echo "$ac_cv_search_atan2f" >&6; } +ac_res=$ac_cv_search_atan2f +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ATAN2F 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing cosf" >&5 +$as_echo_n "checking for library containing cosf... " >&6; } +if test "${ac_cv_search_cosf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char cosf (); +int +main () +{ +return cosf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_cosf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_cosf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_cosf+set}" = set; then : + +else + ac_cv_search_cosf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_cosf" >&5 +$as_echo "$ac_cv_search_cosf" >&6; } +ac_res=$ac_cv_search_cosf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_COSF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sinf" >&5 +$as_echo_n "checking for library containing sinf... " >&6; } +if test "${ac_cv_search_sinf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char sinf (); +int +main () +{ +return sinf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_sinf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_sinf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_sinf+set}" = set; then : + +else + ac_cv_search_sinf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_sinf" >&5 +$as_echo "$ac_cv_search_sinf" >&6; } +ac_res=$ac_cv_search_sinf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_SINF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing tanf" >&5 +$as_echo_n "checking for library containing tanf... " >&6; } +if test "${ac_cv_search_tanf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char tanf (); +int +main () +{ +return tanf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_tanf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_tanf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_tanf+set}" = set; then : + +else + ac_cv_search_tanf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_tanf" >&5 +$as_echo "$ac_cv_search_tanf" >&6; } +ac_res=$ac_cv_search_tanf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_TANF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing acoshf" >&5 +$as_echo_n "checking for library containing acoshf... " >&6; } +if test "${ac_cv_search_acoshf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char acoshf (); +int +main () +{ +return acoshf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_acoshf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_acoshf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_acoshf+set}" = set; then : + +else + ac_cv_search_acoshf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_acoshf" >&5 +$as_echo "$ac_cv_search_acoshf" >&6; } +ac_res=$ac_cv_search_acoshf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ACOSHF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing asinhf" >&5 +$as_echo_n "checking for library containing asinhf... " >&6; } +if test "${ac_cv_search_asinhf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char asinhf (); +int +main () +{ +return asinhf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_asinhf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_asinhf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_asinhf+set}" = set; then : + +else + ac_cv_search_asinhf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_asinhf" >&5 +$as_echo "$ac_cv_search_asinhf" >&6; } +ac_res=$ac_cv_search_asinhf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ASINHF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing atanhf" >&5 +$as_echo_n "checking for library containing atanhf... " >&6; } +if test "${ac_cv_search_atanhf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char atanhf (); +int +main () +{ +return atanhf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_atanhf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_atanhf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_atanhf+set}" = set; then : + +else + ac_cv_search_atanhf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_atanhf" >&5 +$as_echo "$ac_cv_search_atanhf" >&6; } +ac_res=$ac_cv_search_atanhf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ATANHF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing coshf" >&5 +$as_echo_n "checking for library containing coshf... " >&6; } +if test "${ac_cv_search_coshf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char coshf (); +int +main () +{ +return coshf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_coshf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_coshf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_coshf+set}" = set; then : + +else + ac_cv_search_coshf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_coshf" >&5 +$as_echo "$ac_cv_search_coshf" >&6; } +ac_res=$ac_cv_search_coshf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_COSHF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sinhf" >&5 +$as_echo_n "checking for library containing sinhf... " >&6; } +if test "${ac_cv_search_sinhf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char sinhf (); +int +main () +{ +return sinhf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_sinhf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_sinhf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_sinhf+set}" = set; then : + +else + ac_cv_search_sinhf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_sinhf" >&5 +$as_echo "$ac_cv_search_sinhf" >&6; } +ac_res=$ac_cv_search_sinhf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_SINHF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing tanhf" >&5 +$as_echo_n "checking for library containing tanhf... " >&6; } +if test "${ac_cv_search_tanhf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char tanhf (); +int +main () +{ +return tanhf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_tanhf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_tanhf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_tanhf+set}" = set; then : + +else + ac_cv_search_tanhf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_tanhf" >&5 +$as_echo "$ac_cv_search_tanhf" >&6; } +ac_res=$ac_cv_search_tanhf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_TANHF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing expf" >&5 +$as_echo_n "checking for library containing expf... " >&6; } +if test "${ac_cv_search_expf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char expf (); +int +main () +{ +return expf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_expf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_expf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_expf+set}" = set; then : + +else + ac_cv_search_expf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_expf" >&5 +$as_echo "$ac_cv_search_expf" >&6; } +ac_res=$ac_cv_search_expf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_EXPF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing exp2f" >&5 +$as_echo_n "checking for library containing exp2f... " >&6; } +if test "${ac_cv_search_exp2f+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char exp2f (); +int +main () +{ +return exp2f (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_exp2f=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_exp2f+set}" = set; then : + break +fi +done +if test "${ac_cv_search_exp2f+set}" = set; then : + +else + ac_cv_search_exp2f=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_exp2f" >&5 +$as_echo "$ac_cv_search_exp2f" >&6; } +ac_res=$ac_cv_search_exp2f +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_EXP2F 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing expm1f" >&5 +$as_echo_n "checking for library containing expm1f... " >&6; } +if test "${ac_cv_search_expm1f+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char expm1f (); +int +main () +{ +return expm1f (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_expm1f=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_expm1f+set}" = set; then : + break +fi +done +if test "${ac_cv_search_expm1f+set}" = set; then : + +else + ac_cv_search_expm1f=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_expm1f" >&5 +$as_echo "$ac_cv_search_expm1f" >&6; } +ac_res=$ac_cv_search_expm1f +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_EXPM1F 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing frexpf" >&5 +$as_echo_n "checking for library containing frexpf... " >&6; } +if test "${ac_cv_search_frexpf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char frexpf (); +int +main () +{ +return frexpf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_frexpf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_frexpf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_frexpf+set}" = set; then : + +else + ac_cv_search_frexpf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_frexpf" >&5 +$as_echo "$ac_cv_search_frexpf" >&6; } +ac_res=$ac_cv_search_frexpf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FREXPF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing ilogbf" >&5 +$as_echo_n "checking for library containing ilogbf... " >&6; } +if test "${ac_cv_search_ilogbf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char ilogbf (); +int +main () +{ +return ilogbf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_ilogbf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_ilogbf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_ilogbf+set}" = set; then : + +else + ac_cv_search_ilogbf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_ilogbf" >&5 +$as_echo "$ac_cv_search_ilogbf" >&6; } +ac_res=$ac_cv_search_ilogbf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ILOGBF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing ldexpf" >&5 +$as_echo_n "checking for library containing ldexpf... " >&6; } +if test "${ac_cv_search_ldexpf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char ldexpf (); +int +main () +{ +return ldexpf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_ldexpf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_ldexpf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_ldexpf+set}" = set; then : + +else + ac_cv_search_ldexpf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_ldexpf" >&5 +$as_echo "$ac_cv_search_ldexpf" >&6; } +ac_res=$ac_cv_search_ldexpf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LDEXPF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing logf" >&5 +$as_echo_n "checking for library containing logf... " >&6; } +if test "${ac_cv_search_logf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char logf (); +int +main () +{ +return logf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_logf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_logf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_logf+set}" = set; then : + +else + ac_cv_search_logf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_logf" >&5 +$as_echo "$ac_cv_search_logf" >&6; } +ac_res=$ac_cv_search_logf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LOGF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log10f" >&5 +$as_echo_n "checking for library containing log10f... " >&6; } +if test "${ac_cv_search_log10f+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char log10f (); +int +main () +{ +return log10f (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_log10f=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_log10f+set}" = set; then : + break +fi +done +if test "${ac_cv_search_log10f+set}" = set; then : + +else + ac_cv_search_log10f=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_log10f" >&5 +$as_echo "$ac_cv_search_log10f" >&6; } +ac_res=$ac_cv_search_log10f +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LOG10F 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log1pf" >&5 +$as_echo_n "checking for library containing log1pf... " >&6; } +if test "${ac_cv_search_log1pf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char log1pf (); +int +main () +{ +return log1pf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_log1pf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_log1pf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_log1pf+set}" = set; then : + +else + ac_cv_search_log1pf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_log1pf" >&5 +$as_echo "$ac_cv_search_log1pf" >&6; } +ac_res=$ac_cv_search_log1pf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LOG1PF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log2f" >&5 +$as_echo_n "checking for library containing log2f... " >&6; } +if test "${ac_cv_search_log2f+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char log2f (); +int +main () +{ +return log2f (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_log2f=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_log2f+set}" = set; then : + break +fi +done +if test "${ac_cv_search_log2f+set}" = set; then : + +else + ac_cv_search_log2f=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_log2f" >&5 +$as_echo "$ac_cv_search_log2f" >&6; } +ac_res=$ac_cv_search_log2f +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LOG2F 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing logbf" >&5 +$as_echo_n "checking for library containing logbf... " >&6; } +if test "${ac_cv_search_logbf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char logbf (); +int +main () +{ +return logbf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_logbf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_logbf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_logbf+set}" = set; then : + +else + ac_cv_search_logbf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_logbf" >&5 +$as_echo "$ac_cv_search_logbf" >&6; } +ac_res=$ac_cv_search_logbf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LOGBF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing modff" >&5 +$as_echo_n "checking for library containing modff... " >&6; } +if test "${ac_cv_search_modff+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char modff (); +int +main () +{ +return modff (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_modff=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_modff+set}" = set; then : + break +fi +done +if test "${ac_cv_search_modff+set}" = set; then : + +else + ac_cv_search_modff=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_modff" >&5 +$as_echo "$ac_cv_search_modff" >&6; } +ac_res=$ac_cv_search_modff +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_MODFF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing scalbnf" >&5 +$as_echo_n "checking for library containing scalbnf... " >&6; } +if test "${ac_cv_search_scalbnf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char scalbnf (); +int +main () +{ +return scalbnf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_scalbnf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_scalbnf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_scalbnf+set}" = set; then : + +else + ac_cv_search_scalbnf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_scalbnf" >&5 +$as_echo "$ac_cv_search_scalbnf" >&6; } +ac_res=$ac_cv_search_scalbnf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_SCALBNF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing scalblnf" >&5 +$as_echo_n "checking for library containing scalblnf... " >&6; } +if test "${ac_cv_search_scalblnf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char scalblnf (); +int +main () +{ +return scalblnf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_scalblnf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_scalblnf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_scalblnf+set}" = set; then : + +else + ac_cv_search_scalblnf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_scalblnf" >&5 +$as_echo "$ac_cv_search_scalblnf" >&6; } +ac_res=$ac_cv_search_scalblnf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_SCALBLNF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing cbrtf" >&5 +$as_echo_n "checking for library containing cbrtf... " >&6; } +if test "${ac_cv_search_cbrtf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char cbrtf (); +int +main () +{ +return cbrtf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_cbrtf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_cbrtf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_cbrtf+set}" = set; then : + +else + ac_cv_search_cbrtf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_cbrtf" >&5 +$as_echo "$ac_cv_search_cbrtf" >&6; } +ac_res=$ac_cv_search_cbrtf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_CBRTF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fabsf" >&5 +$as_echo_n "checking for library containing fabsf... " >&6; } +if test "${ac_cv_search_fabsf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fabsf (); +int +main () +{ +return fabsf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_fabsf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_fabsf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_fabsf+set}" = set; then : + +else + ac_cv_search_fabsf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fabsf" >&5 +$as_echo "$ac_cv_search_fabsf" >&6; } +ac_res=$ac_cv_search_fabsf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FABSF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing hypotf" >&5 +$as_echo_n "checking for library containing hypotf... " >&6; } +if test "${ac_cv_search_hypotf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char hypotf (); +int +main () +{ +return hypotf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_hypotf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_hypotf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_hypotf+set}" = set; then : + +else + ac_cv_search_hypotf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_hypotf" >&5 +$as_echo "$ac_cv_search_hypotf" >&6; } +ac_res=$ac_cv_search_hypotf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_HYPOTF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing powf" >&5 +$as_echo_n "checking for library containing powf... " >&6; } +if test "${ac_cv_search_powf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char powf (); +int +main () +{ +return powf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_powf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_powf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_powf+set}" = set; then : + +else + ac_cv_search_powf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_powf" >&5 +$as_echo "$ac_cv_search_powf" >&6; } +ac_res=$ac_cv_search_powf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_POWF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sqrtf" >&5 +$as_echo_n "checking for library containing sqrtf... " >&6; } +if test "${ac_cv_search_sqrtf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char sqrtf (); +int +main () +{ +return sqrtf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_sqrtf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_sqrtf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_sqrtf+set}" = set; then : + +else + ac_cv_search_sqrtf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_sqrtf" >&5 +$as_echo "$ac_cv_search_sqrtf" >&6; } +ac_res=$ac_cv_search_sqrtf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_SQRTF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fmodf" >&5 +$as_echo_n "checking for library containing fmodf... " >&6; } +if test "${ac_cv_search_fmodf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fmodf (); +int +main () +{ +return fmodf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_fmodf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_fmodf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_fmodf+set}" = set; then : + +else + ac_cv_search_fmodf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fmodf" >&5 +$as_echo "$ac_cv_search_fmodf" >&6; } +ac_res=$ac_cv_search_fmodf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FMODF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing remainderf" >&5 +$as_echo_n "checking for library containing remainderf... " >&6; } +if test "${ac_cv_search_remainderf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char remainderf (); +int +main () +{ +return remainderf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_remainderf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_remainderf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_remainderf+set}" = set; then : + +else + ac_cv_search_remainderf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_remainderf" >&5 +$as_echo "$ac_cv_search_remainderf" >&6; } +ac_res=$ac_cv_search_remainderf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_REMAINDERF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing remquof" >&5 +$as_echo_n "checking for library containing remquof... " >&6; } +if test "${ac_cv_search_remquof+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char remquof (); +int +main () +{ +return remquof (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_remquof=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_remquof+set}" = set; then : + break +fi +done +if test "${ac_cv_search_remquof+set}" = set; then : + +else + ac_cv_search_remquof=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_remquof" >&5 +$as_echo "$ac_cv_search_remquof" >&6; } +ac_res=$ac_cv_search_remquof +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_REMQUOF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing copysignf" >&5 +$as_echo_n "checking for library containing copysignf... " >&6; } +if test "${ac_cv_search_copysignf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char copysignf (); +int +main () +{ +return copysignf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_copysignf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_copysignf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_copysignf+set}" = set; then : + +else + ac_cv_search_copysignf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_copysignf" >&5 +$as_echo "$ac_cv_search_copysignf" >&6; } +ac_res=$ac_cv_search_copysignf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_COPYSIGNF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing nanf" >&5 +$as_echo_n "checking for library containing nanf... " >&6; } +if test "${ac_cv_search_nanf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char nanf (); +int +main () +{ +return nanf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_nanf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_nanf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_nanf+set}" = set; then : + +else + ac_cv_search_nanf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_nanf" >&5 +$as_echo "$ac_cv_search_nanf" >&6; } +ac_res=$ac_cv_search_nanf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_NANF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing erff" >&5 +$as_echo_n "checking for library containing erff... " >&6; } +if test "${ac_cv_search_erff+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char erff (); +int +main () +{ +return erff (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_erff=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_erff+set}" = set; then : + break +fi +done +if test "${ac_cv_search_erff+set}" = set; then : + +else + ac_cv_search_erff=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_erff" >&5 +$as_echo "$ac_cv_search_erff" >&6; } +ac_res=$ac_cv_search_erff +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ERFF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing erfcf" >&5 +$as_echo_n "checking for library containing erfcf... " >&6; } +if test "${ac_cv_search_erfcf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char erfcf (); +int +main () +{ +return erfcf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_erfcf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_erfcf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_erfcf+set}" = set; then : + +else + ac_cv_search_erfcf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_erfcf" >&5 +$as_echo "$ac_cv_search_erfcf" >&6; } +ac_res=$ac_cv_search_erfcf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ERFCF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing lgammaf" >&5 +$as_echo_n "checking for library containing lgammaf... " >&6; } +if test "${ac_cv_search_lgammaf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char lgammaf (); +int +main () +{ +return lgammaf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_lgammaf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_lgammaf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_lgammaf+set}" = set; then : + +else + ac_cv_search_lgammaf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_lgammaf" >&5 +$as_echo "$ac_cv_search_lgammaf" >&6; } +ac_res=$ac_cv_search_lgammaf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LGAMMAF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing tgammaf" >&5 +$as_echo_n "checking for library containing tgammaf... " >&6; } +if test "${ac_cv_search_tgammaf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char tgammaf (); +int +main () +{ +return tgammaf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_tgammaf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_tgammaf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_tgammaf+set}" = set; then : + +else + ac_cv_search_tgammaf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_tgammaf" >&5 +$as_echo "$ac_cv_search_tgammaf" >&6; } +ac_res=$ac_cv_search_tgammaf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_TGAMMAF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing ceilf" >&5 +$as_echo_n "checking for library containing ceilf... " >&6; } +if test "${ac_cv_search_ceilf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char ceilf (); +int +main () +{ +return ceilf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_ceilf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_ceilf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_ceilf+set}" = set; then : + +else + ac_cv_search_ceilf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_ceilf" >&5 +$as_echo "$ac_cv_search_ceilf" >&6; } +ac_res=$ac_cv_search_ceilf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_CEILF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing floorf" >&5 +$as_echo_n "checking for library containing floorf... " >&6; } +if test "${ac_cv_search_floorf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char floorf (); +int +main () +{ +return floorf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_floorf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_floorf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_floorf+set}" = set; then : + +else + ac_cv_search_floorf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_floorf" >&5 +$as_echo "$ac_cv_search_floorf" >&6; } +ac_res=$ac_cv_search_floorf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FLOORF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing nearbyintf" >&5 +$as_echo_n "checking for library containing nearbyintf... " >&6; } +if test "${ac_cv_search_nearbyintf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char nearbyintf (); +int +main () +{ +return nearbyintf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_nearbyintf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_nearbyintf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_nearbyintf+set}" = set; then : + +else + ac_cv_search_nearbyintf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_nearbyintf" >&5 +$as_echo "$ac_cv_search_nearbyintf" >&6; } +ac_res=$ac_cv_search_nearbyintf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_NEARBYINTF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing rintf" >&5 +$as_echo_n "checking for library containing rintf... " >&6; } +if test "${ac_cv_search_rintf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char rintf (); +int +main () +{ +return rintf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_rintf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_rintf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_rintf+set}" = set; then : + +else + ac_cv_search_rintf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_rintf" >&5 +$as_echo "$ac_cv_search_rintf" >&6; } +ac_res=$ac_cv_search_rintf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_RINTF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing lrintf" >&5 +$as_echo_n "checking for library containing lrintf... " >&6; } +if test "${ac_cv_search_lrintf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char lrintf (); +int +main () +{ +return lrintf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_lrintf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_lrintf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_lrintf+set}" = set; then : + +else + ac_cv_search_lrintf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_lrintf" >&5 +$as_echo "$ac_cv_search_lrintf" >&6; } +ac_res=$ac_cv_search_lrintf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LRINTF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing llrintf" >&5 +$as_echo_n "checking for library containing llrintf... " >&6; } +if test "${ac_cv_search_llrintf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char llrintf (); +int +main () +{ +return llrintf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_llrintf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_llrintf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_llrintf+set}" = set; then : + +else + ac_cv_search_llrintf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_llrintf" >&5 +$as_echo "$ac_cv_search_llrintf" >&6; } +ac_res=$ac_cv_search_llrintf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LLRINTF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing roundf" >&5 +$as_echo_n "checking for library containing roundf... " >&6; } +if test "${ac_cv_search_roundf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char roundf (); +int +main () +{ +return roundf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_roundf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_roundf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_roundf+set}" = set; then : + +else + ac_cv_search_roundf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_roundf" >&5 +$as_echo "$ac_cv_search_roundf" >&6; } +ac_res=$ac_cv_search_roundf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_ROUNDF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing lroundf" >&5 +$as_echo_n "checking for library containing lroundf... " >&6; } +if test "${ac_cv_search_lroundf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char lroundf (); +int +main () +{ +return lroundf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_lroundf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_lroundf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_lroundf+set}" = set; then : + +else + ac_cv_search_lroundf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_lroundf" >&5 +$as_echo "$ac_cv_search_lroundf" >&6; } +ac_res=$ac_cv_search_lroundf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LROUNDF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing llroundf" >&5 +$as_echo_n "checking for library containing llroundf... " >&6; } +if test "${ac_cv_search_llroundf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char llroundf (); +int +main () +{ +return llroundf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_llroundf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_llroundf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_llroundf+set}" = set; then : + +else + ac_cv_search_llroundf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_llroundf" >&5 +$as_echo "$ac_cv_search_llroundf" >&6; } +ac_res=$ac_cv_search_llroundf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_LLROUNDF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing truncf" >&5 +$as_echo_n "checking for library containing truncf... " >&6; } +if test "${ac_cv_search_truncf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char truncf (); +int +main () +{ +return truncf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_truncf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_truncf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_truncf+set}" = set; then : + +else + ac_cv_search_truncf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_truncf" >&5 +$as_echo "$ac_cv_search_truncf" >&6; } +ac_res=$ac_cv_search_truncf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_TRUNCF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fdimf" >&5 +$as_echo_n "checking for library containing fdimf... " >&6; } +if test "${ac_cv_search_fdimf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fdimf (); +int +main () +{ +return fdimf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_fdimf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_fdimf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_fdimf+set}" = set; then : + +else + ac_cv_search_fdimf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fdimf" >&5 +$as_echo "$ac_cv_search_fdimf" >&6; } +ac_res=$ac_cv_search_fdimf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FDIMF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fmaxf" >&5 +$as_echo_n "checking for library containing fmaxf... " >&6; } +if test "${ac_cv_search_fmaxf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fmaxf (); +int +main () +{ +return fmaxf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_fmaxf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_fmaxf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_fmaxf+set}" = set; then : + +else + ac_cv_search_fmaxf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fmaxf" >&5 +$as_echo "$ac_cv_search_fmaxf" >&6; } +ac_res=$ac_cv_search_fmaxf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FMAXF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fminf" >&5 +$as_echo_n "checking for library containing fminf... " >&6; } +if test "${ac_cv_search_fminf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fminf (); +int +main () +{ +return fminf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_fminf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_fminf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_fminf+set}" = set; then : + +else + ac_cv_search_fminf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fminf" >&5 +$as_echo "$ac_cv_search_fminf" >&6; } +ac_res=$ac_cv_search_fminf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FMINF 1" >>confdefs.h + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fmaf" >&5 +$as_echo_n "checking for library containing fmaf... " >&6; } +if test "${ac_cv_search_fmaf+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char fmaf (); +int +main () +{ +return fmaf (); + ; + return 0; +} +_ACEOF +for ac_lib in '' m; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_fmaf=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if test "${ac_cv_search_fmaf+set}" = set; then : + break +fi +done +if test "${ac_cv_search_fmaf+set}" = set; then : + +else + ac_cv_search_fmaf=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fmaf" >&5 +$as_echo "$ac_cv_search_fmaf" >&6; } +ac_res=$ac_cv_search_fmaf +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + replaced_libm=yes + +$as_echo "#define NEED_LIBM_FMAF 1" >>confdefs.h + +fi + + +ac_config_files="$ac_config_files altfloat.buildinfo" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + test "x$cache_file" != "x/dev/null" && + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + cat confcache >$cache_file + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + +: ${CONFIG_STATUS=./config.status} +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$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 >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${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. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; 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 + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error 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 $?, using 1 if that was 0. +as_fn_error () +{ + as_status=$?; test $as_status -eq 0 && as_status=1 + if test "$3"; then + as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3 + fi + $as_echo "$as_me: error: $1" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo 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 + +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 + +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$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -p' + fi +else + as_ln_s='cp -p' +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 $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || 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 + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in #( + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by altfloat $as_me 0.3, which was +generated by GNU Autoconf 2.65. 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_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +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 $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Report bugs to ." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +altfloat config.status 0.3 configured by $0, generated by GNU Autoconf 2.65, with options \\"\$ac_cs_config\\" diff --git a/configure.ac b/configure.ac --- a/configure.ac +++ b/configure.ac @@ -5,7 +5,7 @@ dnl without any warranty. AC_PREREQ(2.62) -AC_INIT([altfloat],[0.2.2],[nbowler@draconx.ca]) +AC_INIT([altfloat],[0.3],[nbowler@draconx.ca]) AC_CONFIG_SRCDIR([altfloat.cabal]) AC_CONFIG_HEADER([config.h]) @@ -19,7 +19,26 @@ CC_OPTS=`echo $CC | sed 's/@<:@^@<:@:space:@:>@@:>@*//'` AC_SUBST([CC_OPTS]) +dnl We need to know the size and alignment of fenv_t in order to allocate it +dnl in Haskell code. +m4_define([FENV_HEADERS], [dnl +#include +]) + +AC_CHECK_SIZEOF([fenv_t], [], [FENV_HEADERS]) +AC_CHECK_ALIGNOF([fenv_t], [FENV_HEADERS]) + dnl Check for some C library functions. +m4_define([C99_FLOAT_FUNCS], [dnl + [acosf], [asinf], [atanf], [atan2f], [cosf], [sinf], [tanf], [acoshf], + [asinhf], [atanhf], [coshf], [sinhf], [tanhf], [expf], [exp2f], + [expm1f], [frexpf], [ilogbf], [ldexpf], [logf], [log10f], [log1pf], + [log2f], [logbf], [modff], [scalbnf], [scalblnf], [cbrtf], [fabsf], + [hypotf], [powf], [sqrtf], [fmodf], [remainderf], [remquof], + [copysignf], [nanf], [erff], [erfcf], [lgammaf], [tgammaf], [ceilf], + [floorf], [nearbyintf], [rintf], [lrintf], [llrintf], [roundf], + [lroundf], [llroundf], [truncf], [fdimf], [fmaxf], [fminf], [fmaf]]) + replaced_libm=no AC_DEFUN([CHECK_LIBM], [AC_SEARCH_LIBS([$1], [m], [], [dnl replaced_libm=yes @@ -30,6 +49,8 @@ CHECK_LIBM([exp2]) CHECK_LIBM([fma]) CHECK_LIBM([remquo]) + +m4_foreach([func], [C99_FLOAT_FUNCS], [CHECK_LIBM(m4_strip(func))]) AC_CONFIG_FILES([ altfloat.buildinfo diff --git a/examples/fenv-impure.hs b/examples/fenv-impure.hs new file mode 100644 --- /dev/null +++ b/examples/fenv-impure.hs @@ -0,0 +1,61 @@ +{- + - Copyright (C) 2009-2010 Nick Bowler. + - + - License BSD2: 2-clause BSD license. See LICENSE for full terms. + - This is free software: you are free to change and redistribute it. + - There is NO WARRANTY, to the extent permitted by law. + -} + +-- | Demonstration of why "Data.Floating.Environment" still doesn't give us +-- referential transparency if the user is not careful. It is important that +-- all non-FEnv floating point expressions are forced *before* they are used +-- in a FEnv expression. +{-# LANGUAGE NoImplicitPrelude #-} +module Main where + +import Data.Floating.Prelude +import Data.Floating.Environment + +-- | The largest integral value representable in an IEEE double with no +-- larger non-integral value. +bigDouble :: Double +bigDouble = 4503599627370496 + +-- | Here be dragons! +broken :: IO () +broken = let + -- x and y are values formed by passing the same inputs to the same + -- function, (+). Referential transparency says that x and y are + -- interchangable... + (x, y) = (bigDouble + 0.5, bigDouble + 0.5) + in do + putStrLn $ "x = " ++ show x + fenvEval (withRoundingMode Upward (seq y <$> 0)) >>= print + putStrLn $ "y = " ++ show y + print (x == y) + --- ...but now x and y are different. + +-- | The problem with the 'broken' function is that the argument to 'fmap', +-- namely @seq y@, forces a pure floating point expression. The easiest way +-- to avoid these kind of problems is to only use such expressions as the +-- argument to 'pure', which will ensure that they are forced before 'fenvEval' +-- is called. The above function could be rewritten as follows. +notBroken :: IO () +notBroken = let + -- x and y are values formed by passing the same inputs to the same + -- function, (+). Referential transparency says that x and y are + -- interchangable... + (x, y) = (bigDouble + 0.5, bigDouble + 0.5) + in do + putStrLn $ "x = " ++ show x + fenvEval (withRoundingMode Upward (seq <$> pure y <*> 0)) >>= print + putStrLn $ "y = " ++ show y + print (x == y) + -- ... and indeed they seem to be! + +main :: IO () +main = do + putStrLn "Non-broken behaviour:" + notBroken + putStrLn "\nBroken behaviour:" + broken