anchor.diff:  RUN wget https://sourceforge.net/projects/bowtie-bio/files/bowtie2/2.3.2/bowtie2-2.3.2-source.zip
   RUN unzip bowtie2-2.3.2-source.zip
   WORKDIR /tmp/bowtie2-2.3.2
  -RUN make NO_TBB=1 # we may want tbb (for "superior thread scaling") later, so will need to find a way to compile without "NO_TBB=1"
  +RUN make -j 16 NO_TBB=1 # we may want tbb (for "superior thread scaling") later, so will need to find a way to compile without "NO_TBB=1"
   RUN mv -t /usr/local/bin/ bowtie2 bowtie2-align-l bowtie2-align-s bowtie2-build bowtie2-build-l bowtie2-build-s bowtie2-inspect bowtie2-inspect-l bowtie2-inspect-s
   
   WORKDIR /tmp
  
positive.code: RUN mkdir gmap-gsnap && tar xf gmap-gsnap-2017-11-15.tar.gz -C gmap-gsnap --strip-components 1
  WORKDIR /tmp/gmap-gsnap
  RUN ./configure --prefix=/usr/local
  RUN make && make check && make install
  RUN rm -rf /tmp/gmap-gsnap /tmp/gmap-gsnap-2017-11-15.tar.gz
  RUN gsnapl --version
  
  
negative.code: RUN wget http://derisilab.ucsf.edu/software/price/PriceSource140408.tar.gz
  RUN tar -xzf PriceSource140408.tar.gz
  WORKDIR /tmp/PriceSource140408
  RUN make -j 16
  RUN mv PriceSeqFilter /usr/local/bin/
  
  WORKDIR /tmp
  