eventmachine_gem_issues.sh

gem install eventmachine -- --with-cppflags=-I/usr/local/opt/openssl/include                                                                                                             
# Building native extensions with: '--with-cppflags=-I/usr/local/opt/openssl/include'
# This could take a while...
# Successfully installed eventmachine-1.0.8
# 1 gem installed

# You can also set up bundler like this but I think that is superficial
bundle config build.eventmachine --with-cppflags=-I/usr/local/opt/openssl/include

# And then run
bundle install

# Extracted from: http://stackoverflow.com/questions/30818391/gem-eventmachine-fatal-error-openssl-ssl-h-file-not-found