icedove-dbg software package provides Debug Symbols for Icedove, 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 icedove-dbg
icedove-dbg is installed in your system.
Make ensure the icedove-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep icedove-dbg *
You will get with icedove-dbg package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Debug packages |
| Package | icedove-dbg |
| Version | 1:45.4.0-1 |
| Description | Debug Symbols for Icedove |
| Sub Section | debug |