rebuild-lib() {
  prt-cache update -fr \
    `for f in $(/usr/bin/grep -lr "$*" /usr/lib/ 2> /dev/null | sed 's|.*/||'); \
      do prt-get fsearch $f | /usr/bin/grep '^Found in' | sed -e 's|.*/||' -e 's|:$||'; \
    done | sort -u | xargs prt-cache isinst | awk '/is installed/ { print $2 }'`;
}