I second this: making it easy for users to use your language implementation is very valuable. I routinely test my Lisp on every implementation I can reliably get my hands on, and I’ve never been able to build a good binary for clasp.
[1]: e.g. adding a test-clasp clause to https://github.com/sjl/cl-digraph/blob/master/Makefile#L14-L...
Or even via Roswell - if that is even remotely possible.