anchor.diff:    #  inherit lib fetchurl stdenv flex yacc;
     #};
   
  -  binutils = useFromStdenv (stdenv ? binutils) stdenv.binutils
  +  binutils = useFromStdenv "binutils"
       (import ../development/tools/misc/binutils {
         inherit fetchurl stdenv noSysDirs;
       });
  
positive.code:     inherit (xlibs) libXext;
    };
  
    gnugrep = useFromStdenv (stdenv ? gnugrep) stdenv.gnugrep
      (import ../tools/text/gnugrep {
        inherit fetchurl stdenv pcre;
      });
  
    gnupatch = useFromStdenv (stdenv ? patch) stdenv.patch (import ../tools/text/gnupatch {
      inherit fetchurl stdenv;
    });
  
  
negative.code:     x11Support = true;
    };
  
    gnused = useFromStdenv "gnused"
      (import ../tools/text/gnused {
        inherit fetchurl stdenv;
      });
  