anchor.diff:        bzip2 \
         cmake \
         epel-release \
  +      gnutls-devel \
  +      libgcrypt-devel \
         libcurl-devel \
  -      libmicrohttpd-devel \
         make \
         nc \
         git \
  
positive.code:       scons \
        tar \
        which && \
      # Install mongodb driver from source
      curl -kOL https://github.com/mongodb/mongo-cxx-driver/archive/legacy-1.0.7.tar.gz && \
      tar xfz legacy-1.0.7.tar.gz && \
      cd mongo-cxx-driver-legacy-1.0.7 && \
      scons install --prefix=/usr/local && \
      cd /opt && \
      # Install rapidjson from source
      curl -kOL https://github.com/miloyip/rapidjson/archive/v1.0.2.tar.gz && \
      tar xfz v1.0.2.tar.gz && \
  
negative.code:     cd /opt && \
      if [ ${CLEAN_DEV_TOOLS} -eq 0 ] ; then yum clean all && exit 0 ; fi && \
      # cleanup sources, dev tools, locales and yum cache to reduce the final image size
      rm -rf /opt/libmicrohttpd-0.9.48.tar.gz \
             /usr/local/include/microhttpd.h \
             /usr/local/lib/libmicrohttpd.* \
             /opt/legacy-1.0.7.tar.gz \
             /opt/mongo-cxx-driver-legacy-1.0.7 \
             /usr/local/include/mongo \
             /usr/local/lib/libmongoclient.a \
  