anchor.diff:         # disable sqlite3 due to https://bugs.pypy.org/issue1740
          # disable test_multiprocessing due to transient errors
          # disable test_os because test_urandom_failure fails
  -       # disable test_urllib2net and test_urllibnet because it requires networking (example.com)
  +       # disable test_urllib2net, test_urllib2_localnet, and test_urllibnet because they require networking (example.com)
          # disable test_zipfile64 because it randomly timeouts
          # disable test_cpickle because timeouts
          # disable test_ssl because no shared cipher' not found in '[Errno 1] error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
  -      ./pypy-c ./pypy/test_all.py --pypy=./pypy-c -k 'not (test_ssl or test_cpickle or test_sqlite or test_urllib2net or test_urllibnet or test_socket or test_os or test_shutil or test_mhlib or test_multiprocessing or test_zipfile64)' lib-python
  +      ./pypy-c ./pypy/test_all.py --pypy=./pypy-c -k 'not (test_ssl or test_cpickle or test_sqlite or test_urllib2net or test_urllibnet or test_urllib2_localnet or test_socket or test_os or test_shutil or test_mhlib or test_multiprocessing or test_zipfile64)' lib-python
       '';
   
       installPhase = ''
  
positive.code: { stdenv, fetchurl, zlib ? null, zlibSupport ? true, bzip2, pkgconfig, libffi
  , sqlite, openssl, ncurses, pythonFull, expat, tcl, tk, xlibsWrapper, libX11
  , makeWrapper, callPackage, self }:
  
  assert zlibSupport -> zlib != null;
  
  
negative.code:       sha256 = "1g7iipllgdfjgdkypsa1g2pzxgjw9agp40rh82hk31rsbak2hfbl";
      };
  
      buildInputs = [ bzip2 openssl pkgconfig pythonFull libffi ncurses expat sqlite tk tcl xlibsWrapper libX11 makeWrapper gdbm db ]
        ++ stdenv.lib.optional (stdenv ? cc && stdenv.cc.libc != null) stdenv.cc.libc
        ++ stdenv.lib.optional zlibSupport zlib;
  
  