anchor.diff:          --enable-serialization \
           --enable-tools \
           --enable=${enable} \
  -    && make -j2 \
  -    && make -j2 examples \
  +    && make -j$(nproc) \
  +    && make -j$(nproc) examples \
       && make install-tiledb \
   # Update shared library links/cache.
       && ldconfig \
  
positive.code:     && chown tiledb /home/tiledb
  ENV HOME /home/tiledb
  
  # Copy TileDB source files from the build context.
  COPY . /home/tiledb/TileDB
  
  # Install dependencies, accepting prompts with their default value.
  RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
      build-essential \
  
negative.code:     && rm -rf /var/lib/apt/lists* \
      && pip3 install cmake
  
  # Copy TileDB source files from the build context.
  COPY . /home/tiledb/TileDB
  
  # Build and install TileDB.
  RUN cd /home/tiledb/TileDB \
      && mkdir build \
  