{ pkgs, haskellLib }: self: super: with haskellLib; let inherit (pkgs.stdenv.hostPlatform) isDarwin; inherit (pkgs) lib; warnAfterVersion = ver: pkg: lib.warnIf (lib.versionOlder ver super.${pkg.pname}.version ) "override for haskell.packages.ghc912.${pkg.pname} may no longer be needed" pkg; in { llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages; # Disable GHC core libraries. array = null; base = null; binary = null; bytestring = null; Cabal = null; Cabal-syntax = null; containers = null; deepseq = null; directory = null; exceptions = null; filepath = null; ghc-bignum = 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; semaphore-compat = null; system-cxx-std-lib = null; template-haskell = null; # GHC only builds terminfo if it is a native compiler terminfo = if pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform then null else doDistribute self.terminfo_0_4_1_7; text = null; time = null; transformers = null; unix = null; xhtml = null; # # Version upgrades # megaparsec = doDistribute self.megaparsec_9_7_0; ghc-tags = self.ghc-tags_1_8; # # Jailbreaks # hashing = doJailbreak super.hashing; # bytestring <0.12 hevm = appendPatch (pkgs.fetchpatch { url = "https://github.com/hellwolf/hevm/commit/338674d1fe22d46ea1e8582b24c224d76d47d0f3.patch"; name = "release-0.54.2-ghc-9.8.4-patch"; sha256 = "sha256-Mo65FfP1nh7QTY+oLia22hj4eV2v9hpXlYsrFKljA3E="; }) super.hevm; HaskellNet-SSL = doJailbreak super.HaskellNet-SSL; # bytestring >=0.9 && <0.12 inflections = doJailbreak super.inflections; # text >=0.2 && <2.1 # # Test suite issues # pcre-heavy = dontCheck super.pcre-heavy; # GHC warnings cause the tests to fail # # Other build fixes # # 2023-12-23: It needs this to build under ghc-9.6.3. # A factor of 100 is insufficient, 200 seems seems to work. hip = appendConfigureFlag "--ghc-options=-fsimpl-tick-factor=200" super.hip; # 2025-04-21: "flavor" for GHC 9.8.5 is missing a fix introduced for 9.8.4. See: # https://github.com/digital-asset/ghc-lib/pull/571#discussion_r2052684630 ghc-lib-parser = warnAfterVersion "9.8.5.20250214" ( overrideCabal { postPatch = '' substituteInPlace compiler/cbits/genSym.c \ --replace-fail "HsWord64 u = atomic_inc64" "HsWord64 u = atomic_inc" ''; } super.ghc-lib-parser ); }