name:            zlib
version:         0.4
copyright:       (c) 2006-2007 Duncan Coutts
license:         BSD3
license-file:    LICENSE
author:          Duncan Coutts <duncan@haskell.org>
maintainer:      Duncan Coutts <duncan@haskell.org>
synopsis:        Compression and decompression in the gzip and zlib formats
stability:       provisional
build-type:      Simple
cabal-version:   >= 1.2.1

flag bytestring-in-base
  description: In the ghc-6.6 era the bytestring modules were
               included in the base package.

library
  exposed-modules: Codec.Compression.GZip,
                   Codec.Compression.Zlib,
                   Codec.Compression.Zlib.Raw,
                   Codec.Compression.Zlib.Internal
  other-modules:   Codec.Compression.Zlib.Stream
  extensions:      CPP, ForeignFunctionInterface
  if flag(bytestring-in-base)
    -- bytestring was in base-2.0 and 2.1.1
    build-depends: base >= 2.0 && < 2.2
    cpp-options:  -DBYTESTRING_IN_BASE
  else
    build-depends: base < 2.0 || >= 2.2, bytestring >= 0.9
  includes:        zlib.h
  ghc-options:     -fvia-C
  if !os(windows)
    -- 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-1.2.3
    c-sources:     cbits/adler32.c cbits/compress.c cbits/crc32.c
                   cbits/deflate.c cbits/gzio.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