Chuck Norris-ing a .pkg installer into submission (Updated 28-11-2014)

Or: How to install Legacy Mac OS X SDKs for Xcode

As you explore open-source Mac software, you will eventually have to build for older versions of OS X.

But you will need older OS X SDKs.

The solution? Roundhouse-kick an old, defenseless Xcode installer into a bloody mess, of course! Then you can find all its subinstallers—including the legacy SDKs!