libical-dbg software package provides debugging symbols for libical, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libical-dbg
libical-dbg is installed in your system.
Make ensure the libical-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep libical-dbg *
You will get with libical-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Debug packages |
| Package | libical-dbg |
| Version | 1.0.1-0ubuntu2 |
| Description | debugging symbols for libical |
| Sub Section | debug |