syslibs = environ_cp.get('TF_SYSTEM_LIBS', '')

  if is_s390x() and 'boringssl' not in syslibs:
    syslibs = 'boringssl' + (', ' + syslibs if syslibs else '')

  if syslibs:
    if ',' in syslibs:
      syslibs = ','.join(sorted(syslibs.split(',')))
    else:
      syslibs = ','.join(sorted(syslibs.split()))
    write_action_env_to_bazelrc('TF_SYSTEM_LIBS', syslibs)

      if [[ $${d} == *local_config_* ]]; then
        continue
      fi

      if [[ $${d} == external* ]]; then
        extname="$${d#*external/}"
        extname="$${extname%%/*}"
        if [[ $${TF_SYSTEM_LIBS:-} == *$${extname}* ]]; then
          continue
        fi

        d="$${d#*external/farmhash_archive/src}"
        d="$${d#*external/$${extname}/}"
        d="$${d#_virtual_includes/*/}"
      fi