ruby Installing eventmachine gem on El Capitan Prathamesh Sonpatki Dec 17, 2015 • 1 min read I keep forgetting how to install eventmachine on El Capitan Mac OS X.So adding this post to lookup when required.$ gem install eventmachine -v '1.0.8' -- --with-cppflags=-I/usr/local/opt/openssl/include More details can be found here and here
