anchor.diff:  # /opt/intel/bin
   ENV CC icc
   ENV CXX icpc
  +ENV LDSHARED icc -shared
   ENV CFLAGS -O3 -g -fPIC -xAVX -axMIC-AVX512 -std=gnu99 -pthread
  -ENV CXXFLAGS = -O3 -g -fPIC -xAVX -axMIC-AVX512 -std=c++11 -pthread
  +ENV CXXFLAGS -O3 -g -fPIC -xAVX -axMIC-AVX512 -std=c++11 -pthread
   ENV PYTHON python3
   ENV PYTHON_CONFIG python3-config
   ENV PYTHON_SCRIPT "/usr/bin/env python3"
  
positive.code: RUN cd /src \
      && git clone https://github.com/astromatic/psfex.git psfex \
      && cd psfex \
      && sh autogen.sh \
      && ./configure \
      && make \
      && make install
  
  
negative.code: ENV PYTHONPATH /usr/local/lib/python:/src/unwise_psf/py:/src/legacyzpts/py:/src/legacypipe/py
  ENV WISE_PSF_DIR /src/unwise_psf/etc
  
  #RUN apt update && apt install -y procps && apt clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  # up!
  RUN cd /src/legacypipe && git pull && echo 3
  