anchor.diff:    };
   
     buildInputs = [
  -    pkgconfig nettools gettext readline openssl python
  +    pkgconfig nettools gettext readline openssl python flex
       ncurses sqlite postgresql libmysql zlib lzo acl glusterfs libceph libcap
     ];
   
  
positive.code:     "sysconfdir=\${out}/etc"
      "working_dir=\${TMPDIR}"
      "log_dir=\${TMPDIR}"
    ];
  
    meta = with stdenv.lib; {
  
negative.code: { stdenv, fetchFromGitHub, pkgconfig, nettools, gettext, libtool, flex
  , readline ? null, openssl ? null, python ? null, ncurses ? null
  , sqlite ? null, postgresql ? null, libmysql ? null, zlib ? null, lzo ? null
  , acl ? null, glusterfs ? null, libceph ? null, libcap ? null
  