Here a status report on Wine (Windows compatibility layer without emulating an entire computer) for non-x86 hardare (PowerPC, ARM, MIPS).
PowerPC does not seems attracting any interest, it is nearly there to be dropped, maybe we can show some interest!
Here the status report by André Hentschel, a Wine developer
http://wiki.winehq.org/WineConf2015?action=AttachFile&do=get&target=otherarchitectures.pdf