anchor.diff:      sha256 = "18hk47hc755nslvb7xkq4jb095z7va0nlcyxdpxayc4lmb8mq3bp";
     };
   
  -  buildInputs = [ cpio zlib bzip2 file libarchive nspr nss db xz python lua pkgconfig ];
  +  buildInputs = [ cpio zlib bzip2 file libarchive nspr nss db xz python lua pkgconfig autoreconfHook ];
   
     # rpm/rpmlib.h includes popt.h, and then the pkg-config file mentions these as linkage requirements
     propagatedBuildInputs = [ popt nss db bzip2 libarchive ];
  
positive.code:   postPatch = ''
      # For Python3, the original expression evaluates as 'python3.4' but we want 'python3.4m' here
      substituteInPlace configure --replace 'python''${PYTHON_VERSION}' ${python.executable}
    '';
  
    configureFlags = "--with-external-db --with-lua --enable-python --localstatedir=/var --sharedstatedir=/com";
  
negative.code: { stdenv, fetchurl, cpio, zlib, bzip2, file, elfutils, libarchive, nspr, nss, popt, db, xz, python, lua, pkgconfig, autoreconfHook }:
  
  stdenv.mkDerivation rec {
    name = "rpm-4.12.0";
  