libgccjit-5-dev software package provides GCC just-in-time compilation (development files), you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgccjit-5-dev
libgccjit-5-dev is installed in your system.
Make ensure the libgccjit-5-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgccjit-5-dev *
You will get with libgccjit-5-dev package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Libraries |
| Package | libgccjit-5-dev |
| Version | 5.4.1-2ubuntu2 |
| Description | GCC just-in-time compilation (development files) |
| Sub Section | libs |