anchor.diff:  # https://afni.nimh.nih.gov/pub/dist/doc/htmldoc/background_install/install_instructs/steps_linux_ubuntu.html#install-steps-linux-ubuntu
   #-------------------------------------------------------------------------------
   RUN \
  +    cd $HOME && \
       apt-get install -y tcsh xfonts-base python-qt4  && \
       apt-get install -y libxm4 libuil4 libmrm4 libmotif-common libmotif-dev motif-clients && \
       apt-get install -y gsl-bin netpbm gnome-tweak-tool libjpeg62 && \
  
positive.code: # ITK
  #-------------------------------------------------------------------------------
  # RUN \
  #     mkdir itk && \
  #     cd itk && \
  #     git clone $ITK_GIT -b $ITK_VERSION && \
  
negative.code:     #       -DPYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython2.7m.so.1 \
  #           ../ITK && \
  #     make -j $N_CPUS && \
  #     make install
  
  # RUN \
  #   echo "addlibpath $pwd/itk/build/lib" >> $BASHRC && \
  