gambatte libretro-gambatte https://github.com/libretro/gambatte-libretro.git PROJECT YES GENERIC_ALT Makefile.libretro libgambatte
fceumm libretro-fceuumm  https://github.com/libretro/libretro-fceumm.git PROJECT YES GENERIC Makefile.libretro .
nxengine libretro-nxengine https://github.com/libretro/nxengine-libretro.git PROJECT YES GENERIC Makefile .