anchor.diff:    ];
     buildInputs = [
       readline
  -    tcl
       tk
     ];
   
  
positive.code:   configureFlags = [
      "--enable-tclshrl"
      "--enable-wishrl"
      "--with-tcl=${tcl}/lib"
      "--with-tk=${tk}/lib"
      "--with-readline-includes=${readline.dev}/include/readline"
      "--with-libtool=${libtool}"
  
negative.code: , tk
  }:
  
  tcl.mkTclDerivation rec {
    pname = "tclreadline";
    version = "2.3.8";
  
  