I’ve fixed up the build so it builds on Win32 and Win64 now. Tested the 32-bit build a bit in wine, and seems to work fine. However, it still uses the GLES2 drivers pulled from mupen64plus-AE, so compatibility might not be the same. Please don’t bitch if things don’t work right. We know …
I also noticed an interesting thing, at least in SM64. Glide64/Glitch64 runs at 30 fps (like the game itself does I guess), but Rice does either frame doubling or higher FPS because it’s 60 …
EDIT: Remember to follow the README with .ini’s. https://github.com/libretro/mupen64plus-libretro