cwiid-dbg software package provides library to interface with the wiimote -- debug files, 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 cwiid-dbg
cwiid-dbg is installed in your system.
Make ensure the cwiid-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep cwiid-dbg *
You will get with cwiid-dbg package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Debug packages |
| Package | cwiid-dbg |
| Version | 0.6.00+svn201-3.2 |
| Description | library to interface with the wiimote -- debug files |
| Sub Section | debug |