Installing Ruby 3.3.5 with YJIT on Macbook with ASDF

Install ASDF

Ensure you have homebrew installed. See https://brew.sh

brew install coreutils curl git libyaml asdf

Add the ZSH plugin

Add the following to ~/.zshrc

plugins=(asdf)

Install Rust

If you want YJIT in Ruby, you'll need to install Rust.

asdf plugin add rust
asdf install rust latest
asdf global rust latest

Install Ruby

asdf plugin add ruby
export RUBY_CONFIGURE_OPTS=--enable-yjit
asdf install ruby 3.3.5

# Optionally
asdf global ruby 3.3.5

Verify installation with:

ruby -v --yjit