anchor.diff:              && git checkout ${FREETYPE_VERSION} \
               && ./autogen.sh \
               && ./configure \
  -            && ./scons/scons.py -j `nproc` \
  +            && make -j `nproc` \
               && make install \
   
               && cd .. \
  
positive.code:             && python3.5 setup.py install \
              && cd /tmp && rm -rvf *
  
  
  #
  # Patch gdal data files, see
  #   https://launchpad.net/ubuntu/trusty/+source/gdal/+copyright
  RUN         curl -SL http://cdn.masonmaps.me/dist/gdal-1.11.3/data/esri_extra.wkt > /usr/share/gdal/1.11/esri_extra.wkt
  
  #
  # Install pip packages with no strict version requirement
  #
  RUN         pip3 install -q \
                  boto3 \
                  six \
                  futures \
                  flask \
                  gunicorn \
                  Click \
                  nose \
                  sphinx \
                  tox
  
  RUN         set -x \
              && python3.5 -c 'import gdal; print("GDAL Version:", gdal.VersionInfo())' \
              && python3.5 -c 'import mapnik; print("Mapnik Version:", mapnik.mapnik_version())' \
              && python3.5 -c 'import os, mapnik; print("Mapnik Plugins: ", list(mapnik.DatasourceCache.plugin_names()))' \
              && convert --version \
              && python3.5 -c 'import PIL; print("Pillow Version:", PIL.VERSION, PIL.PILLOW_VERSION)' \
              && convert rose: /tmp/rose.jpg \
              && convert rose: /tmp/rose.png \
              && convert rose: /tmp/rose.webp \
              && rm /tmp/rose*
  
  
negative.code:                 python3-skimage \
                  python3-pylibmc \
                  python3-pil \
                  libwebp5 \
                  libpng3 \
                  libjpeg62 \
                  libtiff5 \
                  imagemagick \
                  cython3 \
                  gdal-bin \
  