mongocxx::instance instance{}; // This should be done only once.
 mongocxx::uri uri("mongodb://192.168.1.1:27017");
 mongocxx::client client(uri);
 mongocxx::database db = client["test"];
 mongocxx::collection coll = db["counters"];
mongocxx::cursor cursor = coll.find({});
for(auto doc : cursor) {
 std::cout << bsoncxx::to_json(doc) << "\n";
 }

-I/usr/local/include/libbson-1.0
-I/usr/local/include/libmongoc-1.0
-I/usr/local/include/mongocxx/v_noabi
-I/usr/local/include/bsoncxx/v_noabi
-lbsoncxx -lmongocxx
-L/usr/local/lib -Wl,-rpath=/usr/local/lib