anchor.diff:  
   
   (defsystem :drei-mcclim
  -  :depends-on (:flexichain :esa-mcclim :clim-core #.(if (find-swank-system) :swank (values)))
  +  :depends-on (:flexichain :esa-mcclim :clim-core #+#.(mcclim.system::ifswank) :swank)
     :components
     ((:module "cl-automaton"
               :pathname #.(make-pathname :directory '(:relative "Drei" "cl-automaton"))
  
positive.code:                          (:file "lisp-syntax" :depends-on ("core" "motion" "fundamental-syntax"))
                           (:file "lisp-syntax-swine" :depends-on ("lisp-syntax"))
                           (:file "lisp-syntax-commands" :depends-on ("lisp-syntax-swine" "misc-commands"))
                           #.(if (find-swank)
                                 '(:file "lisp-syntax-swank" :depends-on ("lisp-syntax"))
                                 (values))))))
  
  (defsystem :drei-tests
    :depends-on (:drei-mcclim :fiveam)
  
negative.code:       (asdf:missing-component ())))
    (defun find-swank ()
      (or (find-swank-package)
          (find-swank-system)))
    (defun ifswank ()
      (if (find-swank)
          '(and)
          '(or))))
  
  ;;; Legacy CMUCL support stuff
  #+cmu
  