{ pkgs }: with import ./lib.nix { inherit pkgs; }; self: super: { # Suitable LLVM version. llvmPackages = pkgs.llvmPackages_35; # Disable GHC 8.0.x core libraries. array = null; base = null; binary = null; bytestring = null; Cabal = null; containers = null; deepseq = null; directory = null; filepath = null; ghc-boot = null; ghc-prim = null; ghci = null; haskeline = null; hoopl = null; hpc = null; integer-gmp = null; pretty = null; process = null; rts = null; template-haskell = null; terminfo = null; time = null; transformers = null; unix = null; xhtml = null; # jailbreak-cabal can use the native Cabal library. jailbreak-cabal = super.jailbreak-cabal.override { Cabal = null; mkDerivation = drv: self.mkDerivation (drv // { preConfigure = "sed -i -e 's/Cabal == 1.20\\.\\*/Cabal >= 1.23/' jailbreak-cabal.cabal"; }); }; # Older versions of QuickCheck don't support our version of Template Haskell. QuickCheck = self.QuickCheck_2_8_2; # Older versions don't support our version of transformers. transformers-compat = self.transformers-compat_0_5_1_4; # https://github.com/hspec/HUnit/issues/7 HUnit = dontCheck super.HUnit; # https://github.com/hspec/hspec/issues/253 hspec-core = dontCheck super.hspec-core; }