common.cabal.in

-- begin common stanzas
Flag dev
  Description:
    Set compile flags for development.
  Default:     False
  Manual:      True

Flag release
  Description:
    Set compile flags for release-checking. Users don't need this.
  Default:     False
  Manual:      True

Common generic
  Default-Language: Haskell2010
  Build-Depends: base >= 4 && < 5,
  GHC-Options:
    -Wall
    -Wcompat
    -Wno-unused-matches
    -Wredundant-constraints
    -Wincomplete-record-updates
    -Wincomplete-uni-patterns
    -Wunused-packages
  if flag(dev)
    GHC-Options:
      -O2
    -- some optimisations cause memory leaks; switch on -O2 and profiling so we
    -- can detect this during development so it doesn't cause surprises later
    GHC-Prof-Options:
      -fprof-auto
    -- note: blanket-adding -fprof-auto like this can very occasionally give
    -- memory leaks; disable those on a per-module basis.
  if flag(release)
    GHC-Options:
      -Werror

Common executable
  GHC-Options:
    -threaded
  if flag(dev)
    GHC-Options:
      -rtsopts
-- end common stanzas