anchor.diff:      libproj-dev \
       libfribidi-dev \
       libcairo2-dev \
  -    libsvg-cairo \
  +    librsvg2-dev \
       libmysqlclient-dev \
       libpq-dev \
       libcurl4-gnutls-dev \
  
positive.code:         -DWITH_HARFBUZZ=1 \
          -DWITH_ICONV=1 \
          -DWITH_CAIRO=1 \
          -DWITH_SVGCAIRO=1 \
          -DWITH_MYSQL=1 \
          -DWITH_GEOS=1 \
          -DWITH_POSTGIS=1 \
  
negative.code:     libgeos-dev
  
  # Install libharfbuzz from source as it is not in a repository
  RUN apt-get install -y bzip2
  RUN cd /tmp && wget http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-0.9.19.tar.bz2 && \
      tar xjf harfbuzz-0.9.19.tar.bz2 && \
      cd harfbuzz-0.9.19 && \
  