- You need to download the source, or use ruby-build to install it for you. I will subsequently suppose the latter.
- You need to configure it, compile it and copy files to the proper location:
You can see I installed openssl through homebrew. The ruby-build recipe downloads an openssl lib for you so only use that if you have it installed as I do.
I got the clang compiler frontend through Apple’s Command Line Tools so I’m not sure that’s needed if you have the whole Xcode package.
It really feels faster -maybe due to the improved GC-, rails starts >2 as fast as compared to plain 1.9.3, using spring in both cases.