How to install json gem - Failed to build gem native extension(mac 10.10)

Question

OS: Mac OS X 10.10.3 XCode: Latest with command line tools installed (version 6.3) Rails: version 4.2.1 Ruby: version 2.2.1

I was trying to generate the rou

Answer 1

gem install json -v '1.8.2' worked for me.