anchor.diff:        libarpack2-dev \
         libboost-math-dev \
         libboost-random-dev \
  -      libeigen3-dev \
         libflann-dev \
         libgtest-dev \
         libnifti-dev \
  
positive.code:     && rm -rf /usr/src/gtest/build \
      && \
      if [ -z ${VTK_VERSION} ]; then \
        apt-get install -y libvtk6-dev; \
      else \
        VTK_RELEASE=`echo ${VTK_VERSION} | sed s/\.[0-9]*$//` \
        && apt-get install -y wget \
        && cd /usr/src \
        && wget http://www.vtk.org/files/release/${VTK_RELEASE}/VTK-${VTK_VERSION}.tar.gz \
        && tar -xvzf VTK-${VTK_VERSION}.tar.gz \
  
negative.code: # and unused VTK modules is used instead!
  ARG VTK_VERSION=7.0.0
  
  ARG EIGEN_VERSION=3.2.8
  
  # Install prerequisites for MIRTK build
  #
  # The bzindovic/suitesparse-bugfix-1319687 PPA is required for building
  