Sorry guys I could not reply to this thread before. As usual, an entirely nonworking FPC would be very strange, but possible.

I regularly use cross-built FPCs these days, and they work fine. In fact, I think current FPC binaries should work from at least 1.4.x all the way to current MorphOS. Remember: most of the code is shared with the classic Amiga port too... The usual Amiga debugging may help: is there any failure messages in Ramdebug log (LogTool) when you try to start the FPC binary?

Also, what are you trying to start exactly? "fpc" (the compiler frontend, optional), "FP" (the IDE) or "ppcppc" (the compiler itself).