http://stjhimy.com/posts/2016-11-06-macos-sierra-openssl-ruby/
gem install byebug -v '6.0.2' -- --with-cppflags="-Wno-compound-token-split-by-macro"
http://stjhimy.com/posts/2016-11-06-macos-sierra-openssl-ruby/
gem install byebug -v '6.0.2' -- --with-cppflags="-Wno-compound-token-split-by-macro"