;; Return a list of expressions that evaluate to the appropriate
;; arguments for resolve-interface according to SPEC.
+(eval-case
+ ((compile-toplevel)
+ (if (memq 'prefix (read-options))
+ (error "boot-9 must be compiled with #:kw, not :kw"))))
+
(define (compile-interface-spec spec)
(define (make-keyarg sym key quote?)
(cond ((or (memq sym spec)