Building a new Rails app and getting a problem with nokogiri. Said to try gem install nokogiri -v \'1.6.8.1\' which fails with output below. I tried deleting Gemfil
gem install nokogiri -v \'1.6.8.1\'
Run this first:
xcode-select --install
Then rerun your bundle install
Reference: https://github.com/sparklemotion/nokogiri/issues/1483