args:
args.stdenv.mkDerivation {
  name = "cproto-4.6";

  src = args.fetchurl {
    url = mirror://sourceforge/cproto/cproto-4.6.tar.gz;
    sha256 = "0ilhkx9iwc5bh65q47mf68p39iyk07d52fv00z431nl6qcb9hp9j";
  };

  buildInputs =(with args; [flex bison]);

  # patch made by Joe Khoobyar copied from gentoo bugs
  patches= ./cproto_patch ;

  meta = { 
      description = "generate C function prototypes from C source code";
      homepage = http://cproto.sourceforge.net/;
      license = "public domain";
  };
}