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