anchor.diff:      libusb-compat-0_1
       boost
     ] ++ lib.optionals pythonBindings [ python3 ncurses ]
  -    ++ lib.optionals tclBindings [ tcl ]
  -    ++ lib.optionals perlBindings [ perl perlPackages.ExtUtilsMakeMaker ];
  +    ++ lib.optionals tclBindings [ tcl ];
   
  -  configureFlags = lib.optionals perlBindings [ "--with-perl-binding" ]
  +
  +  configureFlags = [
  +    "CC_FOR_BUILD=${stdenv.cc.targetPrefix}cc"
  +  ] ++ lib.optionals perlBindings [ "--with-perl-binding" ]
       ++ lib.optionals tclBindings [ "--with-tcl-binding" "--with-tcl=${tcl}/lib/" ]
       ++ lib.optionals pythonBindings [ "--with-python-binding" ];
   
  
positive.code:     sha256 = "10788mgrhbc57zpzakcxv5aqnr2819pcshml6fbh8zvnkja562y9";
    };
  
    nativeBuildInputs = [
      swig
      pkg-config
      libtool
    ];
  
    buildInputs = [
      gd
  
negative.code: , perlPackages
  , pythonBindings ? true
  , tclBindings ? true
  , perlBindings ? stdenv.buildPlatform == stdenv.hostPlatform
  , buildPackages
  }:
  
  stdenv.mkDerivation rec {
  