Please update the install script to download the latest version of wiringpi from their git repo as the version you currently have in the script does not work on linux kernel 4.9.x. There are other wrappers on top of wiringPi that have the same issue.
Please update the install script to download the latest version of wiringpi from their git repo as the version you currently have in the script does not work on linux kernel 4.9.x. There are other wrappers on top of wiringPi that have the same issue.