{ buildPackages, pkgsBuildBuild, pkgsBuildTarget, pkgs, newScope, stdenv }:

let
  # These are attributes in compiler that support integer-simple.
  integerSimpleIncludes = [
    "ghc88"
    "ghc884"
    "ghc810"
    "ghc8107"
  ];

  nativeBignumExcludes = integerSimpleIncludes ++ [
    # haskell.compiler sub groups
    "integer-simple"
    "native-bignum"
    # Binary GHCs
    "ghc865Binary"
    "ghc8107Binary"
    "ghc924Binary"
    "ghc963Binary"
    # ghcjs
    "ghcjs"
    "ghcjs810"
  ];

  haskellLibUncomposable = import ../development/haskell-modules/lib {
    inherit (pkgs) lib;
    inherit pkgs;
  };

  callPackage = newScope {
    haskellLib = haskellLibUncomposable.compose;
    overrides = pkgs.haskell.packageOverrides;
  };

  bootstrapPackageSet = self: super: {
    mkDerivation = drv: super.mkDerivation (drv // {
      doCheck = false;
      doHaddock = false;
      enableExecutableProfiling = false;
      enableLibraryProfiling = false;
      enableSharedExecutables = false;
      enableSharedLibraries = false;
    });
  };

  # Use this rather than `rec { ... }` below for sake of overlays.
  inherit (pkgs.haskell) compiler packages;

in {
  lib = haskellLibUncomposable;

  package-list = callPackage ../development/haskell-modules/package-list.nix {};

  # Always get boot compilers from `pkgsBuildBuild`. The boot (stage0) compiler
  # is used to build another compiler (stage1) that'll be used to build the
  # final compiler (stage2) (except when building a cross-compiler). This means
  # that stage1's host platform is the same as stage0: build. Consequently,
  # stage0 needs to be build->build.
  #
  # Note that we use bb.haskell.packages.*. haskell.packages.*.ghc is similar to
  # stdenv: The ghc comes from the previous package set, i.e. this predicate holds:
  # `name: pkgs: pkgs.haskell.packages.${name}.ghc == pkgs.buildPackages.haskell.compiler.${name}.ghc`.
  # This isn't problematic since pkgsBuildBuild.buildPackages is also build->build,
  # just something to keep in mind.
  compiler = let bb = pkgsBuildBuild.haskell; in {
    ghc865Binary = callPackage ../development/compilers/ghc/8.6.5-binary.nix {
      # Should be llvmPackages_6 which has been removed from nixpkgs
      llvmPackages = null;
    };

    ghc8107Binary = callPackage ../development/compilers/ghc/8.10.7-binary.nix {
      llvmPackages = pkgs.llvmPackages_12;
    };

    ghc924Binary = callPackage ../development/compilers/ghc/9.2.4-binary.nix {
      llvmPackages = pkgs.llvmPackages_12;
    };

    ghc963Binary = callPackage ../development/compilers/ghc/9.6.3-binary.nix {
      llvmPackages = pkgs.llvmPackages_15;
    };

    ghc8107 = callPackage ../development/compilers/ghc/8.10.7.nix {
      bootPkgs =
        # the oldest ghc with aarch64-darwin support is 8.10.5
        if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          # to my (@a-m-joseph) knowledge there are no newer official binaries for this platform
          bb.packages.ghc865Binary
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc810 = compiler.ghc8107;
    ghc902 = callPackage ../development/compilers/ghc/9.0.2.nix {
      bootPkgs =
        # the oldest ghc with aarch64-darwin support is 8.10.5
        if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc810
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      inherit (buildPackages.darwin) autoSignDarwinBinariesHook xattr;
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc90 = compiler.ghc902;
    ghc925 = callPackage ../development/compilers/ghc/9.2.5.nix {
      bootPkgs =
        if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc810
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc926 = callPackage ../development/compilers/ghc/9.2.6.nix {
      bootPkgs =
        if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc810
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc927 = callPackage ../development/compilers/ghc/9.2.7.nix {
      bootPkgs =
        if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc810
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc928 = callPackage ../development/compilers/ghc/9.2.8.nix {
      bootPkgs =
        if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc810
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc92 = compiler.ghc928;
    ghc945 = callPackage ../development/compilers/ghc/9.4.5.nix {
      bootPkgs =
        # Building with 9.2 is broken due to
        # https://gitlab.haskell.org/ghc/ghc/-/issues/21914
        # Use 8.10 as a workaround where possible to keep bootstrap path short.

        # On ARM text won't build with GHC 8.10.*
        if stdenv.buildPlatform.isAarch then
          # TODO(@sternenseemann): package bindist
          bb.packages.ghc902
        # No suitable bindists for powerpc64le
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc902
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 10 && < 14
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc946 = callPackage ../development/compilers/ghc/9.4.6.nix {
      bootPkgs =
        # Building with 9.2 is broken due to
        # https://gitlab.haskell.org/ghc/ghc/-/issues/21914
        # Use 8.10 as a workaround where possible to keep bootstrap path short.

        # On ARM text won't build with GHC 8.10.*
        if stdenv.buildPlatform.isAarch then
          # TODO(@sternenseemann): package bindist
          bb.packages.ghc902
        # No suitable bindists for powerpc64le
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc902
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python311Packages) sphinx; # a distutils issue with 3.12
      python3 = buildPackages.python311; # so that we don't have two of them
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 10 && < 14
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc947 = callPackage ../development/compilers/ghc/9.4.7.nix {
      bootPkgs =
        # Building with 9.2 is broken due to
        # https://gitlab.haskell.org/ghc/ghc/-/issues/21914
        # Use 8.10 as a workaround where possible to keep bootstrap path short.

        # On ARM text won't build with GHC 8.10.*
        if stdenv.buildPlatform.isAarch then
          # TODO(@sternenseemann): package bindist
          bb.packages.ghc902
        # No suitable bindists for powerpc64le
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc902
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 10 && < 14
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc948 = callPackage ../development/compilers/ghc/9.4.8.nix {
      bootPkgs =
        # Building with 9.2 is broken due to
        # https://gitlab.haskell.org/ghc/ghc/-/issues/21914
        # Use 8.10 as a workaround where possible to keep bootstrap path short.

        # On ARM text won't build with GHC 8.10.*
        if stdenv.buildPlatform.isAarch then
          # TODO(@sternenseemann): package bindist
          bb.packages.ghc902
        # No suitable bindists for powerpc64le
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc902
        else
          bb.packages.ghc8107Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 10 && < 14
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_12;
      llvmPackages = pkgs.llvmPackages_12;
    };
    ghc94 = compiler.ghc948;
    ghc963 = callPackage ../development/compilers/ghc/9.6.3.nix {
      bootPkgs =
        # For GHC 9.2 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc928
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc928
        else
          bb.packages.ghc924Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc964 = callPackage ../development/compilers/ghc/9.6.4.nix {
      bootPkgs =
        # For GHC 9.2 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc928
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc928
        else
          bb.packages.ghc924Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc965 = callPackage ../development/compilers/ghc/9.6.5.nix {
      bootPkgs =
        # For GHC 9.2 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc928
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc928
        else
          bb.packages.ghc924Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc966 = callPackage ../development/compilers/ghc/9.6.6.nix {
      bootPkgs =
        # For GHC 9.2 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc928
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc928
        else
          bb.packages.ghc924Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc96 = compiler.ghc966;
    ghc981 = callPackage ../development/compilers/ghc/9.8.1.nix {
      bootPkgs =
        # For GHC 9.6 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc963
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc963
        else
          bb.packages.ghc963Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc982 = callPackage ../development/compilers/ghc/9.8.2.nix {
      bootPkgs =
        # For GHC 9.6 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc963
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc963
        else
          bb.packages.ghc963Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc983 = callPackage ../development/compilers/ghc/9.8.3.nix {
      bootPkgs =
        # For GHC 9.6 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc963
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc963
        else
          bb.packages.ghc963Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc98 = compiler.ghc982; # HLS doesn't work yet with 9.8.3
    ghc9101 = callPackage ../development/compilers/ghc/9.10.1.nix {
      bootPkgs =
        # For GHC 9.6 no armv7l bindists are available.
        if stdenv.buildPlatform.isAarch32 then
          bb.packages.ghc963
        else if stdenv.buildPlatform.isPower64 && stdenv.buildPlatform.isLittleEndian then
          bb.packages.ghc963
        else if stdenv.buildPlatform.isDarwin then
          # it seems like the GHC 9.6.* bindists are built with a different
          # toolchain than we are using (which I'm guessing from the fact
          # that 9.6.4 bindists pass linker flags our ld doesn't support).
          # With both 9.6.3 and 9.6.4 binary it is impossible to link against
          # the clock package (probably a hsc2hs problem).
          bb.packages.ghc963
        else
          bb.packages.ghc963Binary;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # 2023-01-15: Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_15;
      llvmPackages = pkgs.llvmPackages_15;
    };
    ghc910 = compiler.ghc9101;
    ghcHEAD = callPackage ../development/compilers/ghc/head.nix {
      bootPkgs =
        # No suitable bindist packaged yet
        bb.packages.ghc9101;
      inherit (buildPackages.python3Packages) sphinx;
      # Need to use apple's patched xattr until
      # https://github.com/xattr/xattr/issues/44 and
      # https://github.com/xattr/xattr/issues/55 are solved.
      inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
      # 2023-01-15: Support range >= 11 && < 16
      buildTargetLlvmPackages = pkgsBuildTarget.llvmPackages_18;
      llvmPackages = pkgs.llvmPackages_18;
    };

    ghcjs = compiler.ghcjs810;
    ghcjs810 = callPackage ../development/compilers/ghcjs/8.10 {
      bootPkgs = bb.packages.ghc810;
      ghcjsSrcJson = ../development/compilers/ghcjs/8.10/git.json;
      stage0 = ../development/compilers/ghcjs/8.10/stage0.nix;
    };

    # The integer-simple attribute set contains all the GHC compilers
    # build with integer-simple instead of integer-gmp.
    integer-simple = let
      integerSimpleGhcNames = pkgs.lib.filter
        (name: builtins.elem name integerSimpleIncludes)
        (pkgs.lib.attrNames compiler);
    in pkgs.recurseIntoAttrs (pkgs.lib.genAttrs
      integerSimpleGhcNames
      (name: compiler.${name}.override { enableIntegerSimple = true; }));

    # Starting from GHC 9, integer-{simple,gmp} is replaced by ghc-bignum
    # with "native" and "gmp" backends.
    native-bignum = let
      nativeBignumGhcNames = pkgs.lib.filter
        (name: !(builtins.elem name nativeBignumExcludes))
        (pkgs.lib.attrNames compiler);
    in pkgs.recurseIntoAttrs (pkgs.lib.genAttrs
      nativeBignumGhcNames
      (name: compiler.${name}.override { enableNativeBignum = true; }));
  };

  # Default overrides that are applied to all package sets.
  packageOverrides = self : super : {};

  # Always get compilers from `buildPackages`
  packages = let bh = buildPackages.haskell; in {

    ghc865Binary = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc865Binary;
      ghc = bh.compiler.ghc865Binary;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.6.x.nix { };
      packageSetConfig = bootstrapPackageSet;
    };
    ghc8107Binary = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc8107Binary;
      ghc = bh.compiler.ghc8107Binary;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.10.x.nix { };
      packageSetConfig = bootstrapPackageSet;
    };
    ghc924Binary = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc924Binary;
      ghc = bh.compiler.ghc924Binary;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.2.x.nix { };
      packageSetConfig = bootstrapPackageSet;
    };
    ghc963Binary = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc963Binary;
      ghc = bh.compiler.ghc963Binary;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.6.x.nix { };
      packageSetConfig = bootstrapPackageSet;
    };
    ghc8107 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc8107;
      ghc = bh.compiler.ghc8107;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.10.x.nix { };
    };
    ghc810 = packages.ghc8107;
    ghc902 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc902;
      ghc = bh.compiler.ghc902;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.0.x.nix { };
    };
    ghc90 = packages.ghc902;
    ghc925 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc925;
      ghc = bh.compiler.ghc925;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.2.x.nix { };
    };
    ghc926 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc926;
      ghc = bh.compiler.ghc926;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.2.x.nix { };
    };
    ghc927 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc927;
      ghc = bh.compiler.ghc927;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.2.x.nix { };
    };
    ghc928 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc928;
      ghc = bh.compiler.ghc928;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.2.x.nix { };
    };
    ghc92 = packages.ghc928;
    ghc945 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc945;
      ghc = bh.compiler.ghc945;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.4.x.nix { };
    };
    ghc946 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc946;
      ghc = bh.compiler.ghc946;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.4.x.nix { };
    };
    ghc947 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc947;
      ghc = bh.compiler.ghc947;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.4.x.nix { };
    };
    ghc948 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc948;
      ghc = bh.compiler.ghc948;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.4.x.nix { };
    };
    ghc94 = packages.ghc948;
    ghc963 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc963;
      ghc = bh.compiler.ghc963;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.6.x.nix { };
    };
    ghc964 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc964;
      ghc = bh.compiler.ghc964;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.6.x.nix { };
    };
    ghc965 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc965;
      ghc = bh.compiler.ghc965;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.6.x.nix { };
    };
    ghc966 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc966;
      ghc = bh.compiler.ghc966;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.6.x.nix { };
    };
    ghc96 = packages.ghc966;
    ghc981 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc981;
      ghc = bh.compiler.ghc981;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.8.x.nix { };
    };
    ghc982 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc982;
      ghc = bh.compiler.ghc982;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.8.x.nix { };
    };
    ghc983 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc983;
      ghc = bh.compiler.ghc983;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.8.x.nix { };
    };
    ghc98 = packages.ghc982; # HLS doesn't work yet with 9.8.3
    ghc9101 = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghc9101;
      ghc = bh.compiler.ghc9101;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.10.x.nix { };
    };
    ghc910 = packages.ghc9101;
    ghcHEAD = callPackage ../development/haskell-modules {
      buildHaskellPackages = bh.packages.ghcHEAD;
      ghc = bh.compiler.ghcHEAD;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.14.x.nix { };
    };

    ghcjs = packages.ghcjs810;
    ghcjs810 = callPackage ../development/haskell-modules rec {
      buildHaskellPackages = ghc.bootPkgs;
      ghc = bh.compiler.ghcjs810;
      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.10.x.nix { };
      packageSetConfig = callPackage ../development/haskell-modules/configuration-ghcjs-8.x.nix { };
    };

    # The integer-simple attribute set contains package sets for all the GHC compilers
    # using integer-simple instead of integer-gmp.
    integer-simple =
      let
        integerSimpleGhcNames = pkgs.lib.filter
          (name: builtins.elem name integerSimpleIncludes)
          (pkgs.lib.attrNames packages);
      in
      pkgs.lib.genAttrs integerSimpleGhcNames
        (name:
          packages.${name}.override (oldAttrs: {
            ghc = bh.compiler.integer-simple.${name};
            buildHaskellPackages = bh.packages.integer-simple.${name};
            overrides =
              pkgs.lib.composeExtensions
                (oldAttrs.overrides or (_: _: {}))
                (_: _: { integer-simple = null; });
          })
        );

    native-bignum =
      let
        nativeBignumGhcNames = pkgs.lib.filter
          (name: !(builtins.elem name nativeBignumExcludes))
          (pkgs.lib.attrNames compiler);
      in
      pkgs.lib.genAttrs nativeBignumGhcNames
        (name:
          packages.${name}.override {
            ghc = bh.compiler.native-bignum.${name};
            buildHaskellPackages = bh.packages.native-bignum.${name};
          }
        );
  };
}