cl-liballegro-nuklear: remove override - use version from quicklisp

    setAttr

    hasAttr

    optionals

    isDerivation

    hasSuffix

    splitString

    remove

  # E.g. cl-unicode creating .txt files during compilation

  build-with-compile-into-pwd = args:

    let

      build = (build-asdf-system (args // { version = args.version + "-build"; }))

      args' = if isDerivation args then args.drvAttrs else args;

      build = (build-asdf-system (args' // { version = args'.version + "-build"; }))

        .overrideAttrs(o: {

          buildPhase = with builtins; ''

            mkdir __fasls

            cp -r * $out

          '';

        });

    in build-asdf-system (args // {

    in build-asdf-system (args' // {

      # Patches are already applied in `build`

      patches = [];

      src = build;

    ];

  };

  cl-liballegro-nuklear = build-with-compile-into-pwd {

    inherit (super.cl-liballegro-nuklear) pname version src;

    nativeBuildInputs = [ pkgs.allegro5 ];

    nativeLibs = [ pkgs.allegro5 ];

    lispLibs = super.cl-liballegro-nuklear.lispLibs ++ [ self.cl-liballegro ];

  };

  cl-liballegro-nuklear = build-with-compile-into-pwd super.cl-liballegro-nuklear;

  lessp = build-asdf-system {

    pname = "lessp";