One word: winelib! There are several large open source projects that, for one reason or another, targeted Windows at their genesis. Many of these projects are quite old, well established, and would take many man-centuries of work to rewrite for native Linux systems. Enabling wine on ppc64 gets us a cheap way to allow these projects to run (when built from source) on ppc64 systems via winelib.
Initial port complete. winecfg starts and runs on ppc64el systems (64k page size tested).
- Add ppc64 (big endian) support
Semi-monolithic (will be split further when closer to merge):