anchor.diff:             /usr/local/include/microhttpd.h \
              /usr/local/lib/libmicrohttpd.* \
              /opt/libmicrohttpd-0.9.70 \
  -           /opt/legacy-1.1.2.tar.gz \
  -           /opt/mongo-cxx-driver-legacy-1.1.2 \
  +           /opt/mongo-c-driver-1.16.0 \
              /usr/local/include/mongo \
              /usr/local/lib/libmongoclient.a \
              /opt/rapidjson-1.1.0 \
  
positive.code:     ldconfig && \
      # Install mongodb driver from source
      cd /opt && \
      curl -kOL https://github.com/mongodb/mongo-cxx-driver/archive/legacy-1.1.2.tar.gz && \
      tar xfz legacy-1.1.2.tar.gz && \
      cd mongo-cxx-driver-legacy-1.1.2 && \
      scons --use-sasl-client --ssl && \
      scons install --prefix=/usr/local --use-sasl-client --ssl && \
      # Install rapidjson from source
      cd /opt && \
      curl -kOL https://github.com/miloyip/rapidjson/archive/v1.1.0.tar.gz && \
  
negative.code:       nc \
        git \
        gcc-c++ \
        tar \
        which \
        cyrus-sasl-devel && \
  