anchor.diff:      apt-get update && \
       apt-get install -y \
           binutils-dev \
  +        build-essential \
           curl \
           git \
           jq \
           libc6-dev-i386 \
  -        make \
           subversion \
           zip
   
   # Build and install latest Python 3 (3.8.3).
   ENV PYTHON_VERSION 3.8.3
  -RUN apt-get install -y \
  -        build-essential \
  +RUN export PYTHON_DEPS="\
           zlib1g-dev \
           libncurses5-dev \
           libgdbm-dev \
  
positive.code:         libreadline-dev \
          libffi-dev \
          libbz2-dev \
          liblzma-dev
  RUN cd /tmp/ && \
      curl -O https://www.python.org/ftp/python/$PYTHON_VERSION/Python-$PYTHON_VERSION.tar.xz && \
      tar -xvf Python-$PYTHON_VERSION.tar.xz && \
      cd Python-$PYTHON_VERSION && \
  
negative.code:     make -j install && \
      cd .. && \
      rm -r /tmp/Python-$PYTHON_VERSION.tar.xz /tmp/Python-$PYTHON_VERSION && \
      apt-get remove -y $PYTHON_DEPS  # https://github.com/google/oss-fuzz/issues/3888
  
  # Download and install the latest stable Go.
  ADD https://storage.googleapis.com/golang/getgo/installer_linux $SRC/
  