dmucs software package provides distributed compilation system for use with distcc, 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 dmucs
dmucs is installed in your system.
Make ensure the dmucs package were installed using the commands given below,
$ sudo dpkg-query -l | grep dmucs *
You will get with dmucs package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Development |
| Package | dmucs |
| Version | 0.6.1-2.1+b1 [amd64, arm64, ar |
| Description | distributed compilation system for use with distcc |
| Sub Section | devel |