Package wiringpi is not available

[OmmerJ]

Thanks for this nice project. Unfortunately, Package wiringpi is not available. Any other options? Thanks,

sudo apt-get install git cmake wiringpi
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package wiringpi is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'wiringpi' has no installation candidate

[rheslip]

I just built this project using Buster on a Pi Zero. I had no issue installing wiringpi on Buster but I had lots of problems trying to install packages on Stretch which seems to be deprecated.