- ;; Try to find Gray streams support from somewhere. ECL tucks them
- ;; somewhere unhelpful.
- #+sbcl #:sb-gray
- #+cmu #:extensions
- #+ecl #.(if (find-package '#:gray) '#:gray '#:si)
- #+clisp #:gray
- #-(or sbcl cmu ecl clisp) ...))
+ ;; Try to find Gray streams support from somewhere. ECL tucks
+ ;; them somewhere unhelpful.
+ #.(or (car '(#+sbcl #:sb-gray
+ #+cmu #:extensions
+ #+ecl #.(if (find-package '#:gray) '#:gray '#:si)
+ #+clisp #:gray))
+ (error "Unsupported Lisp (can't find Gray streams)")))
+
+ ;; CMUCL's `extensions' package has lots of cruft. Use our cruft
+ ;; instead.
+ #+cmu (:shadowing-import-from
+ #:sod-utilities #:symbolicate #:once-only))))