Use QL-DIST:ENSURE-INSTALLED to make sure quicklisp's slime is

installed regardless of whether another swank is visible.

Author: xach

slime-helper.lisp

@@ -5,6 +5,9 @@
  (:export #:install)
  (:shadowing-import-from #:alexandria
  #:copy-file)
+ (:shadowing-import-from #:ql-dist
+ #:ensure-installed
+ #:find-system)
  (:shadowing-import-from #:ql-setup
  #:qmerge))
 
@@ -16,6 +19,7 @@
  :type "el"))
  (target (qmerge "slime-helper.el")))
  (copy-file source target)
+ (ensure-installed (find-system "swank"))
  (format t "~&slime-helper.el installed in ~S~%~%"
  (namestring target))
  (let ((enough (enough-namestring target (user-homedir-pathname))))