How to install Nokogiri on Mac OS Sierra 10.12

Question

I\'m having troubles installing Nokogiri (1.6.8.1) on Mac OS Sierra 10.12.

I tried using brew install libxml2 libxslt and then referencing the install direc

Answer 1

The more simple solution is to execute:

xcode-select --install
gem install nokogiri

Update

For Mojave I'm using gem install nokogiri -v '1.6.6.2' -- --use-system-libraries