{ system
  , compiler
  , flags
  , pkgs
  , hsPkgs
  , pkgconfPkgs
  , errorHandler
  , config
  , ... }:
  {
    flags = {};
    package = {
      specVersion = "1.22";
      identifier = { name = "ghc-boot"; version = "8.6.5"; };
      license = "BSD-3-Clause";
      copyright = "";
      maintainer = "ghc-devs@haskell.org";
      author = "";
      homepage = "";
      url = "";
      synopsis = "Shared functionality between GHC and its boot libraries";
      description = "This library is shared between GHC, ghc-pkg, and other boot\nlibraries.\n\nA note about \"GHC.PackageDb\": it only deals with the subset of\nthe package database that the compiler cares about: modules\npaths etc and not package metadata like description, authors\netc. It is thus not a library interface to ghc-pkg and is *not*\nsuitable for modifying GHC package databases.\n\nThe package database format and this library are constructed in\nsuch a way that while ghc-pkg depends on Cabal, the GHC library\nand program do not have to depend on Cabal.";
      buildType = "Simple";
      isLocal = true;
      detailLevel = "FullDetails";
      licenseFiles = [ "LICENSE" ];
      dataDir = "";
      dataFiles = [];
      extraSrcFiles = [ "changelog.md" ];
      extraTmpFiles = [];
      extraDocFiles = [];
      };
    components = {
      "library" = {
        depends = [
          (hsPkgs."base" or (errorHandler.buildDepError "base"))
          (hsPkgs."binary" or (errorHandler.buildDepError "binary"))
          (hsPkgs."bytestring" or (errorHandler.buildDepError "bytestring"))
          (hsPkgs."directory" or (errorHandler.buildDepError "directory"))
          (hsPkgs."filepath" or (errorHandler.buildDepError "filepath"))
          (hsPkgs."ghc-boot-th" or (errorHandler.buildDepError "ghc-boot-th"))
          ];
        buildable = true;
        modules = [
          "GHC/LanguageExtensions"
          "GHC/PackageDb"
          "GHC/Serialized"
          "GHC/ForeignSrcLang"
          "GHC/HandleEncoding"
          ];
        };
      };
    } // rec { src = (pkgs.lib).mkDefault ../libraries/ghc-boot; }