ERROR: Error installing cocoapods: ERROR: Failed to build gem native extension

Question

I am trying to install cocoapods to my MacBook Pro running with OSX 10.9.1 (new Mavericks) and after type gem install cocoapods I get the following error:

Answer 1

First as wrote "Kevin" try to run in terminal:

xcode-select --install

If it doesn't help you download tools manually from apple developer site:

It helped me.