anchor.diff:  , mysql_lib
   , ncurses
   , openldap
  -, openssl
  +, openssl_1-0-2
   , postgresql
   , protobuf-c
   , pythonPackages
  
positive.code:     libxml2
      lmdb
      ncurses
      openssl
      pythonPackages.python
      pythonPackages.ply
      readline
  
negative.code:     "--with-gssapi=${kerberos}"
      "--with-libtool"
      "--disable-native-pkcs11"
      "--with-openssl=${openssl_1-0-2}"
      "--with-pkcs11"
      "--with-ecdsa"
      "--without-gost"  # Insecure cipher
  