File zlib.cabal of Package ghc-zlib

cabal-version:   >= 1.10
name:            zlib
version:         0.6.3.0
x-revision:      4

copyright:       (c) 2006-2016 Duncan Coutts
license:         BSD3
license-file:    LICENSE
author:          Duncan Coutts <duncan@community.haskell.org>
maintainer:      Duncan Coutts <duncan@community.haskell.org>, Andrew Lelechenko <andrew.lelechenko@gmail.com>, Emily Pillmore <emilypi@cohomolo.gy>, Herbert Valerio Riedel <hvr@gnu.org>
bug-reports:     https://github.com/haskell/zlib/issues
category:        Codec
synopsis:        Compression and decompression in the gzip and zlib formats
description:     This package provides a pure interface for compressing and
                 decompressing streams of data represented as lazy
                 'ByteString's. It uses the
                 <https://en.wikipedia.org/wiki/Zlib zlib C library>
                 so it has high performance. It supports the \"zlib\",
                 \"gzip\" and \"raw\" compression formats.
                 .
                 It provides a convenient high level API suitable for most
                 tasks and for the few cases where more control is needed it
                 provides access to the full zlib feature set.
build-type:      Simple

tested-with:     GHC == 7.0.4
               , GHC == 7.2.2
               , GHC == 7.4.2
               , GHC == 7.6.3
               , GHC == 7.8.4
               , GHC == 7.10.3
               , GHC == 8.0.2
               , GHC == 8.2.2
               , GHC == 8.4.4
               , GHC == 8.6.5
               , GHC == 8.8.4
               , GHC == 8.10.7
               , GHC == 9.0.2
               , GHC == 9.2.8
               , GHC == 9.4.7
               , GHC == 9.6.3
               , GHC == 9.8.1

extra-source-files: changelog
                    README.md
                    -- zlib C sources (for Windows)
                    cbits/crc32.h cbits/inffast.h cbits/inflate.h
                    cbits/trees.h cbits/deflate.h cbits/inffixed.h
                    cbits/inftrees.h cbits/zutil.h cbits/gzguts.h
                    -- test data files
                    test/data/bad-crc.gz test/data/custom-dict.zlib
                    test/data/custom-dict.zlib-dict test/data/hello.gz
                    test/data/not-gzip test/data/two-files.gz
                    -- demo programs:
                    examples/gzip.hs examples/gunzip.hs

source-repository head
  type: git
  location: https://github.com/haskell/zlib.git

flag non-blocking-ffi
  default:     False
  manual:      True
  description: The (de)compression calls can sometimes take a long time, which
               prevents other Haskell threads running. Enabling this flag
               avoids this unfairness, but with greater overall cost.

flag pkg-config
  default:     False
  manual:      True
  description: Use @pkg-config(1)@ to locate foreign @zlib@ library.

flag bundled-c-zlib
  default:     False
  manual:      True
  description: Use the bundled zlib C sources. Requires pkg-config to be False.
               For windows, this is the default.


library
  exposed-modules: Codec.Compression.GZip,
                   Codec.Compression.Zlib,
                   Codec.Compression.Zlib.Raw,
                   Codec.Compression.Zlib.Internal
  other-modules:   Codec.Compression.Zlib.Stream,
                   Codec.Compression.Zlib.ByteStringCompat

  if impl(ghc < 7)
    default-language: Haskell98
    default-extensions: PatternGuards
  else
    default-language: Haskell2010

  other-extensions: CPP, ForeignFunctionInterface, RankNTypes, BangPatterns,
                    DeriveDataTypeable
  if impl(ghc >= 7.2)
    other-extensions: DeriveGeneric
  if impl(ghc >= 7.6)
    other-extensions: CApiFFI

  build-depends:   base >= 4 && < 4.20,
                   bytestring >= 0.9 && < 0.13
  if impl(ghc >= 7.0 && < 8.0.3)
    build-depends: ghc-prim

  includes:        zlib.h
  ghc-options:     -Wall -fwarn-tabs
  if flag(non-blocking-ffi)
    cpp-options:   -DNON_BLOCKING_FFI
  if flag(pkg-config) && !impl(ghcjs) && !os(ghcjs)
    -- NB: pkg-config is available on windows as well when using msys2
    pkgconfig-depends: zlib
  else
    -- don't use pkg-config
    if !os(windows) && !flag(bundled-c-zlib) && !impl(ghcjs) && !os(ghcjs)
      -- Normally we use the the standard system zlib.
      extra-libraries: z
    else
      -- However for the benefit of users of Windows (which does not have zlib
      -- by default) we bundle a complete copy of the C sources of zlib-1.2.11
      c-sources:   cbits/adler32.c cbits/compress.c cbits/crc32.c
                   cbits/deflate.c cbits/infback.c
                   cbits/inffast.c cbits/inflate.c cbits/inftrees.c
                   cbits/trees.c cbits/uncompr.c cbits/zutil.c
      include-dirs:  cbits
      install-includes: zlib.h zconf.h

test-suite tests
  type: exitcode-stdio-1.0
  main-is:         Test.hs
  other-modules:   Utils,
                   Test.Codec.Compression.Zlib.Internal,
                   Test.Codec.Compression.Zlib.Stream
  hs-source-dirs:  test
  default-language: Haskell2010
  build-depends:   base, bytestring, zlib,
                   QuickCheck       == 2.*,
                   tasty            >= 0.8 && < 1.6,
                   tasty-quickcheck >= 0.8 && < 0.11
  ghc-options:     -Wall
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