Ignoring GEM because its extensions are not built

Question

On both my work and home computers, I recently upgraded Ruby to 2.3.1, using ruby-install. I use chruby as my Ruby switcher.

I started seei

Answer 1

If you have installed RVM, possible you're catching the error because you have installed different versions.

Check and remove useless versions, but I think this is not good approach. Anyway errors gone.

rvm list
rvm use ruby-version
rvm remove ruby-useless-version

After refresh cocoapods, it should be injected in .rvm GEM_HOME

gem uninstall cocoapods
gem install cocoapods

Probably pod COMMAND will throw the error about minitest gem, so – gem install minitest