anchor.diff:      ./0001-Introduce-CHICKEN_REPOSITORY_EXTRA.patch
     ];
   
  -  buildInputs = lib.ifEnable (bootstrap-chicken != null) [
  +  buildInputs = [
  +    makeWrapper
  +  ] ++ (lib.ifEnable (bootstrap-chicken != null) [
       bootstrap-chicken
  -  ];
  +  ]);
   
     preBuild = lib.ifEnable (bootstrap-chicken != null) ''
       # Backup the build* files - those are generated from hostname,
  
positive.code: { stdenv, fetchurl, bootstrap-chicken ? null }:
  
  let
    version = "4.9.0.1";
  
negative.code:     make spotless $buildFlags
  
      mv build-backup/* .
    '';
  
    postInstall = ''
      for f in $out/bin/*
      do
        wrapProgram $f \
          --prefix PATH : ${stdenv.gcc}/bin
      done
    '';
  
    # TODO: Assert csi -R files -p '(pathname-file (repository-path))' == binaryVersion
  