anchor.diff:  
     NIX_CFLAGS_LINK = "-L${elfutils}/lib";
     
  -  configureFlags = "--with-external-db --without-lua";
  +  configureFlags = "--with-external-db --without-lua --enable-python";
   
     meta = {
       homepage = http://www.rpm.org/;
  
positive.code:     sha1 = "07b90f653775329ea726ce0005c4c82f56167ca0";
    };
  
    buildInputs = [ cpio zlib bzip2 file nspr nss popt db4 xz ];
  
    # Note: we don't add elfutils to buildInputs, since it provides a
    # bad `ld' and other stuff.
  
negative.code: { stdenv, fetchurl, cpio, zlib, bzip2, file, elfutils, nspr, nss, popt, db4, xz, python }:
  
  stdenv.mkDerivation rec {
    name = "rpm-4.7.2";
  