function mk_mailman_dir() {
  local DIRECTORY=$1            &&
  local TAG=${2:-unclassified}  &&

  message "${MESSAGE_COLOR}Preparing ${TAG} directory ${DIRECTORY}${DEFAULT_COLOR}"  &&
  if [ ! -d $DIRECTORY ]; then mkdir -p $DIRECTORY; fi  &&
  chown -R mailman.mailman $DIRECTORY                   &&
  chmod -R a+rx,g+ws $DIRECTORY
}

make_single   &&
make install  &&

mk_mailman_dir $MAILMAN_PREFIX 'program'      &&
mk_mailman_dir $MAILMAN_CONF 'configuration'  &&

if [ ! -f $MAILMAN_CONF/mm_cfg.py ];  then
  mv -f $MAILMAN_PREFIX/Mailman/mm_cfg.py $MAILMAN_CONF/
fi &&

ln -fns $MAILMAN_CONF/mm_cfg.py $MAILMAN_PREFIX/Mailman/  &&

$MAILMAN_PREFIX/bin/check_perms -f  &&

persistent_remove  MAILMAN_PREFIX  MAILMAN_CONF