{ pkgs, haskellLib }: with haskellLib; self: super: { # This compiler version needs llvm 9.x. llvmPackages = pkgs.llvmPackages_9; # Disable GHC 8.10.x core libraries. array = null; base = null; binary = null; bytestring = null; Cabal = null; containers = null; deepseq = null; directory = null; exceptions = null; filepath = null; ghc-boot = null; ghc-boot-th = null; ghc-compact = null; ghc-heap = null; ghc-prim = null; ghci = null; haskeline = null; hpc = null; integer-gmp = null; libiserv = null; mtl = null; parsec = null; pretty = null; process = null; rts = null; stm = null; template-haskell = null; terminfo = null; text = null; time = null; transformers = null; unix = null; xhtml = null; # The proper 3.2.0.0 release does not compile with ghc-8.10.1, so we take the # hitherto unreleased next version from the '3.2' branch of the upstream git # repository for the time being. cabal-install = assert super.cabal-install.version == "3.2.0.0"; overrideCabal super.cabal-install (drv: { postUnpack = "sourceRoot+=/cabal-install; echo source root reset to $sourceRoot"; version = "3.2.0.0-git"; editedCabalFile = null; src = pkgs.fetchgit { url = "git://github.com/haskell/cabal.git"; rev = "9bd4cc0591616aeae78e17167338371a2542a475"; sha256 = "005q1shh7vqgykkp72hhmswmrfpz761x0q0jqfnl3wqim4xd9dg0"; }; }); # Deviate from Stackage LTS-15.x to fix the build. haddock-library = self.haddock-library_1_9_0; # Jailbreak to fix the build. base-noprelude = doJailbreak super.base-noprelude; pandoc = doJailbreak super.pandoc; system-fileio = doJailbreak super.system-fileio; unliftio-core = doJailbreak super.unliftio-core; # Use the latest version to fix the build. dhall = self.dhall_1_34_0; lens = self.lens_4_19_2; optics-core = self.optics-core_0_3_0_1; repline = self.repline_0_4_0_0; singletons = self.singletons_2_7; th-desugar = self.th-desugar_1_11; # `ghc-lib-parser-ex` (see conditionals in its `.cabal` file) does not need # the `ghc-lib-parser` dependency on GHC >= 8.8. However, because we have # multiple verions of `ghc-lib-parser(-ex)` available, and the default ones # are older ones, those older ones will complain. Because we have a newer # GHC, we can just set the dependency to `null` as it is not used. ghc-lib-parser-ex = super.ghc-lib-parser-ex.override { ghc-lib-parser = null; }; # Jailbreak to fix the build. brick = doJailbreak super.brick; exact-pi = doJailbreak super.exact-pi; serialise = doJailbreak super.serialise; setlocale = doJailbreak super.setlocale; shellmet = doJailbreak super.shellmet; shower = doJailbreak super.shower; # The shipped Setup.hs file is broken. csv = overrideCabal super.csv (drv: { preCompileBuildDriver = "rm Setup.hs"; }); # Apply patch from https://github.com/finnsson/template-helper/issues/12#issuecomment-611795375 to fix the build. language-haskell-extract = appendPatch (doJailbreak super.language-haskell-extract) (pkgs.fetchpatch { name = "language-haskell-extract-0.2.4.patch"; url = "https://gitlab.haskell.org/ghc/head.hackage/-/raw/e48738ee1be774507887a90a0d67ad1319456afc/patches/language-haskell-extract-0.2.4.patch?inline=false"; sha256 = "0rgzrq0513nlc1vw7nw4km4bcwn4ivxcgi33jly4a7n3c1r32v1f"; }); # Only 0.8 is compatible with ghc 8.10 https://hackage.haskell.org/package/apply-refact/changelog apply-refact = super.apply-refact_0_8_0_0; # https://github.com/commercialhaskell/pantry/issues/21 pantry = appendPatch super.pantry (pkgs.fetchpatch { name = "add-cabal-3.2.x-support.patch"; url = "https://patch-diff.githubusercontent.com/raw/commercialhaskell/pantry/pull/22.patch"; sha256 = "198hsfjsy83s7rp71llf05cwa3vkm74g73djg5p4sk4awm9s6vf2"; excludes = ["package.yaml"]; }); # hnix 0.9.0 does not provide an executable for ghc < 8.10, so define completions here for now. hnix = generateOptparseApplicativeCompletion "hnix" (overrideCabal super.hnix (drv: { # executable is allowed for ghc >= 8.10 and needs repline executableHaskellDepends = drv.executableToolDepends or [] ++ [ self.repline ]; })); }