anchor.diff:  ENV BLAS -L${MKLROOT}/lib/intel64 -lmkl_rt -fopenmp -lpthread -limf -lsvml -ldl
   ENV CPPFLAGS -I${MKLROOT}/include
   
  -RUN mkdir -p /src \
  -    && cd /src \
  -    && git clone https://github.com/astromatic/sextractor.git sourceextractor \
  +RUN git clone https://github.com/astromatic/sextractor.git sourceextractor \
       && cd sourceextractor \
       && sh autogen.sh \
       && ./configure --enable-icc --enable-mkl \
  
positive.code: RUN ln -s /usr/bin/python3 /usr/bin/python
  
  # unwise_psf
  RUN cd /src \
      && git clone https://github.com/legacysurvey/unwise_psf.git \
      && cd unwise_psf && git checkout dr8
  
  # Legacypipe
  RUN cd /src \
      && git clone http://github.com/legacysurvey/legacypipe.git legacypipe
  
  ENV PYTHONPATH /usr/local/lib/python:/src/unwise_psf/py:/src/legacypipe/py
  ENV WISE_PSF_DIR /src/unwise_psf/etc
  
negative.code:     && make install \
      && make clean
  
  RUN git clone https://github.com/astromatic/psfex.git psfex \
      && cd psfex \
      && sh autogen.sh \
      && ./configure --enable-icc --enable-mkl \
  