{ pkgs }: with import ./lib.nix; self: super: { # Disable GHC 7.9.x core libraries. array = null; base = null; binary = null; bin-package-db = null; bytestring = null; Cabal = null; containers = null; deepseq = null; directory = null; filepath = null; ghc-prim = 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; # We cannot build jailbreak without Cabal 1.20.x, and we cannot build # Cabal 1.20.x without jailbreak. Go figure. Let's use a sledgehammer. jailbreak-cabal = pkgs.haskellngPackages.jailbreak-cabal; # GHC 7.10.x's Haddock binary cannot generate hoogle files. # https://ghc.haskell.org/trac/ghc/ticket/9921 mkDerivation = drv: super.mkDerivation (drv // { doHoogle = false; }); # These used to be a core packages in GHC 7.8.x. old-locale = self.old-locale_1_0_0_7; old-time = self.old-time_1_1_0_3; # We have transformers 4.x mtl = self.mtl_2_2_1; transformers-compat = overrideCabal super.transformers-compat (drv: { configureFlags = []; }); # Setup: At least the following dependencies are missing: base <4.8 hspec-expectations = overrideCabal super.hspec-expectations (drv: { patchPhase = "sed -i -e 's|base < 4.8|base|' hspec-expectations.cabal"; }); utf8-string = overrideCabal super.utf8-string (drv: { patchPhase = "sed -i -e 's|base >= 3 && < 4.8|base|' utf8-string.cabal"; }); }