Mac brew升级ruby

1. 安装

brew install brew

安装结果如下

If you need to have ruby first in your PATH, run:
  echo 'export PATH="/opt/homebrew/opt/ruby/bin:$PATH"' >> ~/.zshrc

For compilers to find ruby you may need to set:
  export LDFLAGS="-L/opt/homebrew/opt/ruby/lib"
  export CPPFLAGS="-I/opt/homebrew/opt/ruby/include"

For pkg-config to find ruby you may need to set:
  export PKG_CONFIG_PATH="/opt/homebrew/opt/ruby/lib/pkgconfig"
==> Summary

标签：opt,Mac,export,PATH,brew,homebrew,ruby	

From： https://www.cnblogs.com/ikuns/p/17899020.html