on master help sign in
19 files changed+121−83
since splitsnapshots
unifiedsplit
.hgtags+1 Data/Text.hs+10−7 Data/Text/Array.hs+1−1 Data/Text/Encoding.hs+7−18 Data/Text/Internal/Builder.hs+3−1 Data/Text/Internal/Builder/Int/Digits.hs+1−1 Data/Text/Internal/Fusion.hs+27−17 Data/Text/Internal/Fusion/Common.hs+3−3 Data/Text/Lazy.hs+2−2 Data/Text/Lazy/Builder.hs+1−1 Data/Text/Lazy/Builder/Int.hs+1−1 Data/Text/Lazy/Encoding.hs+5−15 benchmarks/haskell/Benchmarks.hs+1−1 benchmarks/haskell/Benchmarks/Stream.hs+16−5 benchmarks/text-benchmarks.cabal+12−2 changelog.md+11 tests/literal-rule-test.sh+1−1 tests/text-tests.cabal+1−1 text.cabal+17−6
.hgtags+1
@@ -63,3 +63,4 @@ f8a60279237c1c28e094868740d9188dd94fcc9e 1.2.0.0
636340f268e6735749ef36f487e1d928eaa957bb431d 1.2.1.2
6464631fd055e27fa10983e17e9ad36d1b285b85c661 1.2.1.3
65658221a68ed5ec37028357df9c6c25f52320e54ad9 1.2.2.0
66+ce1c5ac65eb9f5580114b4e380092b05a485e95d 1.2.2.1
Data/Text.hs+10−7
@@ -238,6 +238,7 @@ import Data.ByteString (ByteString)
238238import qualified Data.Text.Lazy as L
239239import Data.Int (Int64)
240240#endif
241+import GHC.Base (eqInt, neInt, gtInt, geInt, ltInt, leInt)
241242#if __GLASGOW_HASKELL__ >= 708
242243import qualified GHC.Exts as Exts
243244#endif
@@ -571,7 +572,9 @@ isSingleton = S.isSingleton . stream
571572-- Subject to fusion.
572573length :: Text -> Int
573574length t = S.length (stream t)
574−{-# INLINE length #-}
575+{-# INLINE [0] length #-}
576+-- length needs to be phased after the compareN/length rules otherwise
577+-- it may inline before the rules have an opportunity to fire.
575578
576579-- | /O(n)/ Compare the count of characters in a 'Text' to a number.
577580-- Subject to fusion.
@@ -590,32 +593,32 @@ compareLength t n = S.compareLengthI (stream t) n
590593
591594{-# RULES
592595"TEXT ==N/length -> compareLength/==EQ" [~1] forall t n.
593− (==) (length t) n = compareLength t n == EQ
596+ eqInt (length t) n = compareLength t n == EQ
594597 #-}
595598
596599{-# RULES
597600"TEXT /=N/length -> compareLength//=EQ" [~1] forall t n.
598− (/=) (length t) n = compareLength t n /= EQ
601+ neInt (length t) n = compareLength t n /= EQ
599602 #-}
600603
601604{-# RULES
602605"TEXT <N/length -> compareLength/==LT" [~1] forall t n.
603− (<) (length t) n = compareLength t n == LT
606+ ltInt (length t) n = compareLength t n == LT
604607 #-}
605608
606609{-# RULES
607610"TEXT <=N/length -> compareLength//=GT" [~1] forall t n.
608− (<=) (length t) n = compareLength t n /= GT
611+ leInt (length t) n = compareLength t n /= GT
609612 #-}
610613
611614{-# RULES
612615"TEXT >N/length -> compareLength/==GT" [~1] forall t n.
613− (>) (length t) n = compareLength t n == GT
616+ gtInt (length t) n = compareLength t n == GT
614617 #-}
615618
616619{-# RULES
617620"TEXT >=N/length -> compareLength//=LT" [~1] forall t n.
618− (>=) (length t) n = compareLength t n /= LT
621+ geInt (length t) n = compareLength t n /= LT
619622 #-}
620623
621624-- -----------------------------------------------------------------------------
Data/Text/Array.hs+1−1
@@ -20,7 +20,7 @@
2020-- > import qualified Data.Text.Array as A
2121--
2222-- The names in this module resemble those in the 'Data.Array' family
23−-- of modules, but are shorter due to the assumption of qualifid
23+-- of modules, but are shorter due to the assumption of qualified
2424-- naming.
2525module Data.Text.Array
2626 (
Data/Text/Encoding.hs+7−18
@@ -55,13 +55,9 @@ module Data.Text.Encoding
5555 , encodeUtf32LE
5656 , encodeUtf32BE
5757
58−#if MIN_VERSION_bytestring(0,10,4)
5958 -- * Encoding Text using ByteString Builders
60− -- | /Note/ that these functions are only available if built against
61− -- @bytestring >= 0.10.4.0@.
6259 , encodeUtf8Builder
6360 , encodeUtf8BuilderEscaped
64−#endif
6561 ) where
6662
6763#if __GLASGOW_HASKELL__ >= 702
@@ -70,24 +66,15 @@ import Control.Monad.ST.Unsafe (unsafeIOToST, unsafeSTToIO)
7066import Control.Monad.ST (unsafeIOToST, unsafeSTToIO)
7167#endif
7268
73−#if MIN_VERSION_bytestring(0,10,4)
74−import Data.Bits ((.&.))
75−import Data.Text.Internal.Unsafe.Char (ord)
76−import qualified Data.ByteString.Builder as B
77−import qualified Data.ByteString.Builder.Internal as B hiding (empty, append)
78−import qualified Data.ByteString.Builder.Prim as BP
79−import qualified Data.ByteString.Builder.Prim.Internal as BP
80−import qualified Data.Text.Internal.Encoding.Utf16 as U16
81−#endif
82−
8369import Control.Exception (evaluate, try)
8470import Control.Monad.ST (runST)
71+import Data.Bits ((.&.))
8572import Data.ByteString as B
8673import Data.ByteString.Internal as B hiding (c2w)
8774import Data.Text.Encoding.Error (OnDecodeError, UnicodeException, strictDecode)
8875import Data.Text.Internal (Text(..), safe, text)
8976import Data.Text.Internal.Private (runText)
90−import Data.Text.Internal.Unsafe.Char (unsafeWrite)
77+import Data.Text.Internal.Unsafe.Char (ord, unsafeWrite)
9178import Data.Text.Internal.Unsafe.Shift (shiftR)
9279import Data.Text.Show ()
9380import Data.Text.Unsafe (unsafeDupablePerformIO)
@@ -98,8 +85,13 @@ import Foreign.Marshal.Utils (with)
9885import Foreign.Ptr (Ptr, minusPtr, nullPtr, plusPtr)
9986import Foreign.Storable (Storable, peek, poke)
10087import GHC.Base (ByteArray#, MutableByteArray#)
88+import qualified Data.ByteString.Builder as B
89+import qualified Data.ByteString.Builder.Internal as B hiding (empty, append)
90+import qualified Data.ByteString.Builder.Prim as BP
91+import qualified Data.ByteString.Builder.Prim.Internal as BP
10192import qualified Data.Text.Array as A
10293import qualified Data.Text.Internal.Encoding.Fusion as E
94+import qualified Data.Text.Internal.Encoding.Utf16 as U16
10395import qualified Data.Text.Internal.Fusion as F
10496
10597#include "text_cbits.h"
@@ -315,8 +307,6 @@ decodeUtf8' :: ByteString -> Either UnicodeException Text
315307decodeUtf8' = unsafeDupablePerformIO . try . evaluate . decodeUtf8With strictDecode
316308{-# INLINE decodeUtf8' #-}
317309
318−#if MIN_VERSION_bytestring(0,10,4)
319−
320310-- | Encode text to a ByteString 'B.Builder' using UTF-8 encoding.
321311encodeUtf8Builder :: Text -> B.Builder
322312encodeUtf8Builder = encodeUtf8BuilderEscaped (BP.liftFixedToBounded BP.word8)
@@ -377,7 +367,6 @@ encodeUtf8BuilderEscaped be =
377367 outerLoop i (B.BufferRange op ope)
378368 where
379369 poke8 j v = poke (op `plusPtr` j) (fromIntegral v :: Word8)
380−#endif
381370
382371-- | Encode text using UTF-8 encoding.
383372encodeUtf8 :: Text -> ByteString
Data/Text/Internal/Builder.hs+3−1
@@ -6,7 +6,7 @@
66-- Module : Data.Text.Internal.Builder
77-- Copyright : (c) 2013 Bryan O'Sullivan
88-- (c) 2010 Johan Tibell
9−-- License : BSD3-style (see LICENSE)
9+-- License : BSD-style (see LICENSE)
1010--
1111-- Maintainer : Johan Tibell <johan.tibell@gmail.com>
1212-- Stability : experimental
@@ -242,6 +242,8 @@ flush = Builder $ \ k buf@(Buffer p o u l) ->
242242 !t = Text arr o u
243243 ts <- inlineInterleaveST (k b)
244244 return $! t : ts
245+{-# INLINE [1] flush #-}
246+-- defer inlining so that flush/flush rule may fire.
245247
246248------------------------------------------------------------------------
247249
Data/Text/Internal/Builder/Int/Digits.hs+1−1
@@ -2,7 +2,7 @@
22
33-- Module: Data.Text.Internal.Builder.Int.Digits
44-- Copyright: (c) 2013 Bryan O'Sullivan
5−-- License: BSD3
5+-- License: BSD-style
66-- Maintainer: Bryan O'Sullivan <bos@serpentine.com>
77-- Stability: experimental
88-- Portability: portable
Data/Text/Internal/Fusion.hs+27−17
@@ -98,25 +98,35 @@ reverseStream (Text arr off len) = Stream next (off+len-1) (betweenSize (len `sh
9898-- | /O(n)/ Convert a 'Stream Char' into a 'Text'.
9999unstream :: Stream Char -> Text
100100unstream (Stream next0 s0 len) = runText $ \done -> do
101− let mlen = upperBound 4 len
101+ -- Before encoding each char we perform a buffer realloc check assuming
102+ -- worst case encoding size of two 16-bit units for the char. Just add an
103+ -- extra space to the buffer so that we do not end up reallocating even when
104+ -- all the chars are encoded as single unit.
105+ let mlen = upperBound 4 len + 1
102106 arr0 <- A.new mlen
103− let outer arr top = loop
107+ let outer !arr !maxi = encode
104108 where
105− loop !s !i =
106− case next0 s of
107− Done -> done arr i
108− Skip s' -> loop s' i
109− Yield x s'
110− | j >= top -> {-# SCC "unstream/resize" #-} do
111− let top' = (top + 1) `shiftL` 1
112− arr' <- A.new top'
113− A.copyM arr' 0 arr 0 top
114− outer arr' top' s i
115− | otherwise -> do d <- unsafeWrite arr i x
116− loop s' (i+d)
117− where j | ord x < 0x10000 = i
118− | otherwise = i + 1
119− outer arr0 mlen s0 0
109+ -- keep the common case loop as small as possible
110+ encode !si !di =
111+ case next0 si of
112+ Done -> done arr di
113+ Skip si' -> encode si' di
114+ Yield c si'
115+ -- simply check for the worst case
116+ | maxi < di + 1 -> realloc si di
117+ | otherwise -> do
118+ n <- unsafeWrite arr di c
119+ encode si' (di + n)
120+
121+ -- keep uncommon case separate from the common case code
122+ {-# NOINLINE realloc #-}
123+ realloc !si !di = do
124+ let newlen = (maxi + 1) * 2
125+ arr' <- A.new newlen
126+ A.copyM arr' 0 arr 0 di
127+ outer arr' (newlen - 1) si di
128+
129+ outer arr0 (mlen - 1) s0 0
120130{-# INLINE [0] unstream #-}
121131{-# RULES "STREAM stream/unstream fusion" forall s. stream (unstream s) = s #-}
122132
Data/Text/Internal/Fusion/Common.hs+3−3
@@ -669,12 +669,12 @@ scanl f z0 (Stream next0 s0 len) = Stream next (Scan1 z0 s0) (len+1) -- HINT may
669669-- ** Generating and unfolding streams
670670
671671replicateCharI :: Integral a => a -> Char -> Stream Char
672−replicateCharI n c
672+replicateCharI !n !c
673673 | n < 0 = empty
674674 | otherwise = Stream next 0 (fromIntegral n) -- HINT maybe too low
675675 where
676− next i | i >= n = Done
677− | otherwise = Yield c (i + 1)
676+ next !i | i >= n = Done
677+ | otherwise = Yield c (i + 1)
678678{-# INLINE [0] replicateCharI #-}
679679
680680data RI s = RI !s {-# UNPACK #-} !Int64
Data/Text/Lazy.hs+2−2
@@ -545,7 +545,7 @@ tail Empty = emptyError "tail"
545545 unstream (S.tail (stream t)) = tail t
546546 #-}
547547
548−-- | /O(1)/ Returns all but the last character of a 'Text', which must
548+-- | /O(n\/c)/ Returns all but the last character of a 'Text', which must
549549-- be non-empty. Subject to fusion.
550550init :: Text -> Text
551551init (Chunk t0 ts0) = go t0 ts0
@@ -581,7 +581,7 @@ isSingleton :: Text -> Bool
581581isSingleton = S.isSingleton . stream
582582{-# INLINE isSingleton #-}
583583
584−-- | /O(1)/ Returns the last character of a 'Text', which must be
584+-- | /O(n\/c)/ Returns the last character of a 'Text', which must be
585585-- non-empty. Subject to fusion.
586586last :: Text -> Char
587587last Empty = emptyError "last"
Data/Text/Lazy/Builder.hs+1−1
@@ -8,7 +8,7 @@
88-- Module : Data.Text.Lazy.Builder
99-- Copyright : (c) 2013 Bryan O'Sullivan
1010-- (c) 2010 Johan Tibell
11−-- License : BSD3-style (see LICENSE)
11+-- License : BSD-style (see LICENSE)
1212--
1313-- Maintainer : Johan Tibell <johan.tibell@gmail.com>
1414-- Stability : experimental
Data/Text/Lazy/Builder/Int.hs+1−1
@@ -7,7 +7,7 @@
77-- Module: Data.Text.Lazy.Builder.Int
88-- Copyright: (c) 2013 Bryan O'Sullivan
99-- (c) 2011 MailRank, Inc.
10−-- License: BSD3
10+-- License: BSD-style
1111-- Maintainer: Bryan O'Sullivan <bos@serpentine.com>
1212-- Stability: experimental
1313-- Portability: portable
Data/Text/Lazy/Encoding.hs+5−15
@@ -46,27 +46,23 @@ module Data.Text.Lazy.Encoding
4646 , encodeUtf32LE
4747 , encodeUtf32BE
4848
49−#if MIN_VERSION_bytestring(0,10,4)
5049 -- * Encoding Text using ByteString Builders
5150 , encodeUtf8Builder
5251 , encodeUtf8BuilderEscaped
53−#endif
5452 ) where
5553
5654import Control.Exception (evaluate, try)
55+import Data.Monoid (Monoid(..))
5756import Data.Text.Encoding.Error (OnDecodeError, UnicodeException, strictDecode)
5857import Data.Text.Internal.Lazy (Text(..), chunk, empty, foldrChunks)
59−import qualified Data.ByteString as S
60−import qualified Data.ByteString.Lazy as B
61−import qualified Data.ByteString.Lazy.Internal as B
62−import qualified Data.ByteString.Unsafe as B
63−#if MIN_VERSION_bytestring(0,10,4)
6458import Data.Word (Word8)
65−import Data.Monoid (Monoid(..))
59+import qualified Data.ByteString as S
6660import qualified Data.ByteString.Builder as B
6761import qualified Data.ByteString.Builder.Extra as B (safeStrategy, toLazyByteStringWith)
6862import qualified Data.ByteString.Builder.Prim as BP
69−#endif
63+import qualified Data.ByteString.Lazy as B
64+import qualified Data.ByteString.Lazy.Internal as B
65+import qualified Data.ByteString.Unsafe as B
7066import qualified Data.Text as T
7167import qualified Data.Text.Encoding as TE
7268import qualified Data.Text.Internal.Lazy.Encoding.Fusion as E
@@ -146,7 +142,6 @@ decodeUtf8' bs = unsafeDupablePerformIO $ do
146142{-# INLINE decodeUtf8' #-}
147143
148144encodeUtf8 :: Text -> B.ByteString
149−#if MIN_VERSION_bytestring(0,10,4)
150145encodeUtf8 Empty = B.empty
151146encodeUtf8 lt@(Chunk t _) =
152147 B.toLazyByteStringWith strategy B.empty $ encodeUtf8Builder lt
@@ -168,11 +163,6 @@ encodeUtf8BuilderEscaped :: BP.BoundedPrim Word8 -> Text -> B.Builder
168163encodeUtf8BuilderEscaped prim =
169164 foldrChunks (\c b -> TE.encodeUtf8BuilderEscaped prim c `mappend` b) mempty
170165
171−#else
172−encodeUtf8 (Chunk c cs) = B.Chunk (TE.encodeUtf8 c) (encodeUtf8 cs)
173−encodeUtf8 Empty = B.Empty
174−#endif
175−
176166-- | Decode text from little endian UTF-16 encoding.
177167decodeUtf16LEWith :: OnDecodeError -> B.ByteString -> Text
178168decodeUtf16LEWith onErr bs = F.unstream (E.streamUtf16LE onErr bs)
benchmarks/haskell/Benchmarks.hs+1−1
@@ -53,7 +53,7 @@ benchmarks = do
5353 , Mul.benchmark
5454 , Pure.benchmark "tiny" (tf "tiny.txt")
5555 , Pure.benchmark "ascii" (tf "ascii-small.txt")
56− , Pure.benchmark "france" (tf "france.html")
56+ -- , Pure.benchmark "france" (tf "france.html")
5757 , Pure.benchmark "russian" (tf "russian-small.txt")
5858 , Pure.benchmark "japanese" (tf "japanese.txt")
5959 , ReadNumbers.benchmark (tf "numbers.txt")
benchmarks/haskell/Benchmarks/Stream.hs+16−5
@@ -18,11 +18,11 @@ import qualified Data.Text.Encoding as T
1818import qualified Data.Text.Encoding.Error as E
1919import qualified Data.Text.Internal.Encoding.Fusion as T
2020import qualified Data.Text.Internal.Encoding.Fusion.Common as F
21−import qualified Data.Text.Internal.Fusion as T
21+import qualified Data.Text.Internal.Fusion as F
2222import qualified Data.Text.IO as T
2323import qualified Data.Text.Lazy.Encoding as TL
2424import qualified Data.Text.Internal.Lazy.Encoding.Fusion as TL
25−import qualified Data.Text.Internal.Lazy.Fusion as TL
25+import qualified Data.Text.Internal.Lazy.Fusion as FL
2626import qualified Data.Text.Lazy.IO as TL
2727
2828instance NFData a => NFData (Stream a) where
@@ -53,14 +53,25 @@ benchmark fp = do
5353 !utf32beL = TL.encodeUtf32BE tl
5454
5555 -- For the functions which operate on streams
56− let !s = T.stream t
56+ let !s = F.stream t
5757
5858 return $ bgroup "Stream"
5959
6060 -- Fusion
6161 [ bgroup "stream" $
62− [ bench "Text" $ nf T.stream t
63− , bench "LazyText" $ nf TL.stream tl
62+ [ bench "Text" $ nf F.stream t
63+ , bench "LazyText" $ nf FL.stream tl
64+ ]
65+ -- must perform exactly the same as stream above due to
66+ -- stream/unstream (i.e. stream after unstream) fusion
67+ , bgroup "stream-fusion" $
68+ [ bench "Text" $ nf (F.stream . F.unstream . F.stream) t
69+ , bench "LazyText" $ nf (FL.stream . FL.unstream . FL.stream) tl
70+ ]
71+ -- measure the overhead of unstream after stream
72+ , bgroup "stream-unstream" $
73+ [ bench "Text" $ nf (F.unstream . F.stream) t
74+ , bench "LazyText" $ nf (FL.unstream . FL.stream) tl
6475 ]
6576
6677 -- Encoding.Fusion
benchmarks/text-benchmarks.cabal+12−2
@@ -3,7 +3,7 @@ version: 0.0.0.0
33synopsis: Benchmarks for the text package
44description: Benchmarks for the text package
55homepage: https://bitbucket.org/bos/text
6−license: BSD3
6+license: BSD2
77license-file: ../LICENSE
88author: Jasper Van der Jeugt <jaspervdj@gmail.com>,
99 Bryan O'Sullivan <bos@serpentine.com>,
@@ -15,6 +15,11 @@ build-type: Simple
1515
1616cabal-version: >=1.2
1717
18+flag bytestring-builder
19+ description: Depend on the bytestring-builder package for backwards compatibility.
20+ default: False
21+ manual: False
22+
1823flag llvm
1924 description: use LLVM
2025 default: False
@@ -33,7 +38,6 @@ executable text-benchmarks
3338 build-depends: base == 4.*,
3439 binary,
3540 blaze-builder,
36− bytestring,
3741 bytestring-lexing >= 0.5.0,
3842 containers,
3943 criterion >= 0.10.0.0,
@@ -46,6 +50,12 @@ executable text-benchmarks
4650 utf8-string,
4751 vector
4852
53+ if flag(bytestring-builder)
54+ build-depends: bytestring >= 0.9 && < 0.10.4,
55+ bytestring-builder >= 0.10.4
56+ else
57+ build-depends: bytestring >= 0.10.4
58+
4959executable text-multilang
5060 hs-source-dirs: haskell
5161 main-is: Multilang.hs
changelog.md+11
@@ -1,3 +1,14 @@
1+1.2.2.1
2+
3+* The switch to `integer-pure` in 1.2.2.0 was apparently mistaken.
4+ The build flag has been renamed accordingly. Your army of diligent
5+ maintainers apologizes for the churn.
6+
7+* Spec compliance: toCaseFold now follows the Unicode 8.0 spec
8+ (updated from 7.0)
9+
10+* An STG lint error has been fixed
11+
1121.2.2.0
213
314* The `integer-simple` package, upon which this package optionally
tests/literal-rule-test.sh+1−1
@@ -6,7 +6,7 @@ function check_firings() {
66 rule=$1
77 expected=$2
88 build="ghc -O -ddump-rule-firings LiteralRuleTest.hs"
9− build="$build -i.. -I../include -DMIN_VERSION_bytestring(a,b,c)=1"
9+ build="$build -i.. -I../include"
1010 touch LiteralRuleTest.hs
1111 echo -n "Want to see $expected firings of rule $rule... " >&2
1212 firings=$($build 2>&1 | grep "Rule fired: $rule\$" | wc -l)
tests/text-tests.cabal+1−1
@@ -3,7 +3,7 @@ version: 0.0.0.0
33synopsis: Functional tests for the text package
44description: Functional tests for the text package
55homepage: https://github.com/bos/text
6−license: BSD3
6+license: BSD2
77license-file: ../LICENSE
88author: Jasper Van der Jeugt <jaspervdj@gmail.com>,
99 Bryan O'Sullivan <bos@serpentine.com>,
text.cabal+17−6
@@ -1,5 +1,5 @@
11name: text
2−version: 1.2.2.0
2+version: 1.2.2.1
33homepage: https://github.com/bos/text
44bug-reports: https://github.com/bos/text/issues
55synopsis: An efficient packed Unicode text type.
@@ -31,7 +31,7 @@ description:
3131 the @text-icu@ package:
3232 <http://hackage.haskell.org/package/text-icu>
3333
34−license: BSD3
34+license: BSD2
3535license-file: LICENSE
3636author: Bryan O'Sullivan <bos@serpentine.com>
3737maintainer: Bryan O'Sullivan <bos@serpentine.com>
@@ -64,6 +64,11 @@ extra-source-files:
6464 tests/scripts/*.sh
6565 tests/text-tests.cabal
6666
67+flag bytestring-builder
68+ description: Depend on the bytestring-builder package for backwards compatibility.
69+ default: False
70+ manual: False
71+
6772flag developer
6873 description: operate in developer mode
6974 default: False
@@ -133,10 +138,11 @@ library
133138 deepseq >= 1.1.0.0,
134139 ghc-prim >= 0.2
135140
136− if impl(ghc >= 7.7)
137− build-depends: bytestring >= 0.10.4.0
141+ if flag(bytestring-builder)
142+ build-depends: bytestring >= 0.9 && < 0.10.4,
143+ bytestring-builder >= 0.10.4
138144 else
139− build-depends: bytestring >= 0.9
145+ build-depends: bytestring >= 0.10.4
140146
141147 cpp-options: -DHAVE_DEEPSEQ
142148 ghc-options: -Wall -fwarn-tabs -funbox-strict-fields -O2
@@ -171,7 +177,6 @@ test-suite tests
171177 array,
172178 base,
173179 binary,
174− bytestring,
175180 deepseq,
176181 directory,
177182 ghc-prim,
@@ -181,6 +186,12 @@ test-suite tests
181186 test-framework-hunit >= 0.2,
182187 test-framework-quickcheck2 >= 0.2
183188
189+ if flag(bytestring-builder)
190+ build-depends: bytestring >= 0.9 && < 0.10.4,
191+ bytestring-builder >= 0.10.4
192+ else
193+ build-depends: bytestring >= 0.10.4
194+
184195 if flag(integer-simple)
185196 cpp-options: -DINTEGER_SIMPLE
186197 build-depends: integer-simple >= 0.1 && < 0.5