anchor.diff:  ENV CPPFLAGS -I${MKLROOT}/include
   
   RUN wget -nv https://www.mpich.org/static/downloads/3.3/mpich-3.3.tar.gz \
  -    && tar xvzf mpich-3.3.tar.gz \
  +    && tar xzf mpich-3.3.tar.gz \
       && cd mpich-3.3 \
       && ./configure \
       && make -j4 \
  
positive.code:   && echo 1
  
  # Curses upon you, astropy
  RUN wget -O /opt/conda/lib/python3.7/site-packages/astropy/utils/iers/data/Leap_Second.dat \
      https://raw.githubusercontent.com/astropy/astropy/master/astropy/utils/iers/data/Leap_Second.dat \
      && rm $HOME/.wget-hsts
  
  
negative.code: 
  # update legacypipe
  RUN cd /src/legacypipe && git pull \   
      && git describe && echo DR9.10.1 && \
    python    -m compileall /src/legacypipe/py/{legacypipe,legacyzpts} && \
    python -O -m compileall /src/legacypipe/py/{legacypipe,legacyzpts}
  
  