anchor.diff:  , python3Packages
   
   , cyrus-sasl
  +, icu
   , openssl
   , snappy
   , zlib
   }:
   
   let
  -  version = "1.10.1";
  +  version = "1.12.0";
   in
   stdenv.mkDerivation rec {
     name = "mongo-c-driver-${version}";
  
positive.code: 
    buildInputs = [
      cyrus-sasl
      openssl
      snappy
      zlib
  
negative.code:   cmakeFlags = [
      "-DENABLE_TESTS=OFF"
      "-DENABLE_EXAMPLES=OFF"
      "-DENABLE_SRV=ON"
      "-DENABLE_CRYPTO_SYSTEM_PROFILE=ON"
      "-DENABLE_MAN_PAGES=ON"
    ];
  