That was such an unexpected claim, I had to look up on which platforms CMUCL currently runs. Seems it has been ported to MacOS (which I take you are referring to as there are perfectly fine working X11 servers available for M$ Windows). Kudos. If I'd be using MacOS, I'd have also a look at Clozure CL (CCL).
alt Hacker News
That was such an unexpected claim, I had to look up on which platforms CMUCL currently runs. Seems it has been ported to MacOS (which I take you are referring to as there are perfectly fine working X11 servers available for M$ Windows). Kudos. If I'd be using MacOS, I'd have also a look at Clozure CL (CCL).