Clonk Rage Key 4.9.10 How Do You Compile Programs From Intel To Powerpc?

How do you compile programs from Intel to Powerpc? - clonk rage key 4.9.10

I want a game port from Intel, PowerPC. I have a Macintosh computer and a program called XCode, if it helps. The game is called Clonk Rage and access to source code.