lib64cilkrts5-dbg software package provides Intel Cilk Plus language extensions (64bit debug symbols), 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 lib64cilkrts5-dbg
lib64cilkrts5-dbg is installed in your system.
Make ensure the lib64cilkrts5-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep lib64cilkrts5-dbg *
You will get with lib64cilkrts5-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Debug packages |
| Package | lib64cilkrts5-dbg |
| Version | 5.4.0-6ubuntu1~16.04.4 |
| Description | Intel Cilk Plus language extensions (64bit debug symbols) |
| Sub Section | debug |