cl-garbage-pools software package provides implementation the APR Pools for resource management, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cl-garbage-pools
cl-garbage-pools is installed in your system.
Make ensure the cl-garbage-pools package were installed using the commands given below,
$ sudo dpkg-query -l | grep cl-garbage-pools *
You will get with cl-garbage-pools package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Lisp |
| Package | cl-garbage-pools |
| Version | 20130720-1 |
| Description | implementation the APR Pools for resource management |
| Sub Section | Lisp |