If you use homebrew on osx, you can `brew install go --cross-compile-all` to get all of them built. Or `brew install go --cross-compile-common` to get the commo

If you use homebrew on osx, you can `brew install go --cross-compile-all` to get all of them built. Or `brew install go --cross-compile-common` to get the common ones (arm is in the common group).