port pkg missing PackageMaker.app

[Jeremy Lavergne]

> OK, thanks.  I found it on Developer.
> 
> Just to confirm, since we're still developing on Lion, it looks like I need the Lion release, so they are not directly tied to the Xcode version???

You only need to match the system version that will run PackageMaker.

Which SDKs you targeted when building your software is a separate issue entirely.