The wrong Ruby version when working with cocoapod
问题 Our project is written in Objective-C, and use an old version of cocoapod (0.38.0). All my colleagues use the old version of Ruby (2.0.0). I have the latest version of Ruby (2.3.1), so I need to install more the old Ruby version (2.0.0) as my colleagues have. rvm install 2.0.0 rvm use 2.0.0 I cocoapod install pod _0.38.0_ install and get an error like this: Ignoring executable-hooks-1.3.2 because its extensions are not built. Try: gem pristine executable-hooks --version 1.3.2 Ignoring gem