Random Wok is only being compiled for Intel right now. I need a universal binary so that it will run on the PowerPC architecture as well. This is easy to change. I select the Random Wok target:

Then click on the Info button, and under the Architectures tab, select what I need:

That's all there is to it. Everything happens behind the scenes.

The other parts of this series can be found via the Cocoa page.

Tags: Aperture, Plug-ins, Random Wok, Cocoa, Xcode, Universal Binary