anchor.diff:  
   FROM build_base AS build_cpython
   COPY build_scripts/build-sqlite3.sh /build_scripts/
  -RUN export SQLITE_AUTOCONF_ROOT=sqlite-autoconf-3340000 && \
  -    export SQLITE_AUTOCONF_HASH=bf6db7fae37d51754737747aaaf413b4d6b3b5fbacd52bdb2d0d6e5b2edd9aee && \
  -    export SQLITE_AUTOCONF_DOWNLOAD_URL=https://www.sqlite.org/2020 && \
  +RUN export SQLITE_AUTOCONF_ROOT=sqlite-autoconf-3350400 && \
  +    export SQLITE_AUTOCONF_HASH=7771525dff0185bfe9638ccce23faa0e1451757ddbda5a6c853bb80b923a512d && \
  +    export SQLITE_AUTOCONF_DOWNLOAD_URL=https://www.sqlite.org/2021 && \
       manylinux-entrypoint /build_scripts/build-sqlite3.sh
   
   COPY build_scripts/build-openssl.sh /build_scripts/
  -RUN export OPENSSL_ROOT=openssl-1.1.1j && \
  -    export OPENSSL_HASH=aaf2fcb575cdf6491b98ab4829abf78a3dec8402b8b81efc8f23c00d443981bf && \
  +RUN export OPENSSL_ROOT=openssl-1.1.1k && \
  +    export OPENSSL_HASH=892a0875b9872acd04a9fde79b1f943075d5ea162415de3047c327df33fbaee5 && \
       export OPENSSL_DOWNLOAD_URL=https://www.openssl.org/source && \
       manylinux-entrypoint /build_scripts/build-openssl.sh
   
  
positive.code: 
  FROM build_base AS build_git
  COPY build_scripts/build-git.sh /build_scripts/
  RUN export GIT_ROOT=git-2.30.0 && \
      export GIT_HASH=d24c4fa2a658318c2e66e25ab67cc30038a35696d2d39e6b12ceccf024de1e5e && \
      export GIT_DOWNLOAD_URL=https://www.kernel.org/pub/software/scm/git && \
      manylinux-entrypoint /build_scripts/build-git.sh
  
  
  FROM build_base AS build_cmake
  COPY build_scripts/build-cmake.sh /build_scripts/
  RUN export CMAKE_VERSION=3.18.3 && \
      export CMAKE_HASH=2c89f4e30af4914fd6fb5d00f863629812ada848eee4e2d29ec7e456d7fa32e5 && \
      export CMAKE_DOWNLOAD_URL=https://github.com/Kitware/CMake/releases/download && \
      manylinux-entrypoint /build_scripts/build-cmake.sh
  
  
negative.code: COPY build_scripts/build_utils.sh /build_scripts/
  
  COPY build_scripts/install-autoconf.sh /build_scripts/
  RUN export AUTOCONF_ROOT=autoconf-2.71 && \
      export AUTOCONF_HASH=431075ad0bf529ef13cb41e9042c542381103e80015686222b8a9d4abef42a1c && \
      export AUTOCONF_DOWNLOAD_URL=http://ftp.gnu.org/gnu/autoconf && \
      manylinux-entrypoint /build_scripts/install-autoconf.sh
  
  