anchor.diff:      && make clean
   
   ######## Stage 2 ########
  -# ... don't have to clean above, just copy over installation
  -#FROM registry.services.nersc.gov/nersc/intel_cxx_runtime
   FROM registry.services.nersc.gov/nersc/intel_cxx_fort_mpi_mkl_runtime
   COPY --from=builder /usr/local /usr/local
  -#RUN echo '/opt/local/lib' > /etc/ld.so.conf.d/package-libs.conf && \
  -#    ldconfig
   
   ENV PYTHON python3
   ENV PYTHON_CONFIG python3-config
  
positive.code: #FROM registry.services.nersc.gov/nersc/intel_cxx_devel as builder
  FROM registry.services.nersc.gov/nersc/intel_cxx_fort_mpi_mkl_devel as builder
  
  RUN apt -y update && apt install -y apt-utils && echo yes
  
negative.code:     #&& rm -Rf /root/.cache/pip \
      && echo 1
  
  ENV PYTHON python3
  ENV PYTHON_CONFIG python3-config
  ENV PYTHON_SCRIPT "/usr/bin/env python3"
  