mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . TARGET=mame PTR64=1 mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . TARGET=mess PTR64=1 mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . TARGET=ume PTR64=1