{ stdenv, fetchurl, writeText, sbclBootstrap

{ stdenv, fetchurl, writeText, sbclBootstrap, lib

      enableFeatures = with stdenv.lib;

      enableFeatures = with lib;

      disableFeatures = with stdenv.lib;

      disableFeatures = with lib;

          stdenv.lib.concatStringsSep " "

          lib.concatStringsSep " "

      + stdenv.lib.optionalString (!purgeNixReferences) ''

      + lib.optionalString (!purgeNixReferences) ''

      setupHook = stdenv.lib.optional purgeNixReferences (writeText "setupHook.sh" ''

      setupHook = lib.optional purgeNixReferences (writeText "setupHook.sh" ''

    sbcl_2_1_7 = super.callPackage ./sbcl.nix {
      version = "2.1.7";
      sha = "sha256:1ihxx8bjvcqg5f6m7xxvrilqjphshlx6nahns81j1bij70anyq0j";
    };