Mac OS on Amiga One?

[olegil]

You would need to write a HAL, and the only people sitting on MacOS sourcecode are Apple, who are NOT friendly towards clone systems.

You do the math, please.

Windows NT supports 3-4 PPC motherboards, that doesn't mean the AmigaOne can run NT. Why? Because there's no HAL written for it, that's why.

[olegil]

There were Mac clones as long as Apple supported them. When Apple withdrew their support, the Mac clones died.

To make MacOS think the AmigaOne is a Mac you need an emulator, like MOL (which emulates the hardware for bit-banging pieces of code) or at least OpenFirmware and a set of drivers. That set of drivers is what you would normally call HAL (Hardware Abstraction Layer) and since you need to be Apple to have the proper source code, I'm still saying it will not happen.