lens-core.cabal

name:          lens-core
category:      Data, Lenses
version:       0.1
license:       BSD3
cabal-version: >= 1.8
license-file:  LICENSE
author:        Edward A. Kmett
maintainer:    Edward A. Kmett <ekmett@gmail.com>
stability:     provisional
homepage:      http://github.com/ekmett/lens-core/
bug-reports:   http://github.com/ekmett/lens-core/issues
copyright:     Copyright (C) 2012 Edward A. Kmett
synopsis:      A Portable Core for Lenses, Folds and Traversals
description:   This package provides the core classes and type synonyms for the @lens@ package.

build-type:    Simple
tested-with:   GHC == 7.0.4, GHC == 7.4.1, GHC == 7.6.1
extra-source-files:
  .travis.yml
  .ghci
  .gitignore
  .vim.custom
  config
  README.markdown
  CHANGELOG.markdown

source-repository head
  type: git
  location: git://github.com/ekmett/lens-core.git

-- Use old transformers
flag transformers2
  default: False
  manual: False

-- Disallow unsafeCoerce
flag safe
  default: False
  manual: True

-- Assert that we are trustworthy when we can
flag trustworthy
  default: True
  manual: True


library
  other-extensions:
    CPP, FlexibleInstances, MultiParamTypeClasses, FunctionalDependencies, UndecidableInstances, Rank2Types

  build-depends:
    base >= 2 && < 5

  if flag(transformers2)
    build-depends:  transformers >= 0.2 && < 0.3
    hs-source-dirs: compat
    exposed-modules:
      Control.Applicative.Backwards
      Control.Applicative.Lift
      Data.Functor.Reverse
  else
    build-depends: transformers >= 0.3 && < 0.4

  exposed-modules:
    Control.Lens.Core
    Control.Lens.Core.Classes
    Control.Lens.Core.Types

  if flag(safe)
    cpp-options: -DSAFE=1

  if impl(ghc<7.4)
    ghc-options: -fno-spec-constr-count

  if impl(ghc>=7.2)
    if flag(trustworthy)
      other-extensions: Trustworthy
      cpp-options: -DTRUSTWORTHY=1
    build-depends: ghc-prim
    cpp-options: -DDEFAULT_SIGNATURES=1
  else
    build-depends: generic-deriving

  ghc-options: -Wall -fwarn-tabs -O2 -fdicts-cheap -funbox-strict-fields
  hs-source-dirs: src