elisp macros problem

[Lowell Kirsh]

I am defining an emacs lisp macro to do:

(my-add-hook 'lisp
   ...)

which should give:

(add-hook 'lisp-mode-hook
  (lambda () ...))

I have:

(defmacro my-add-hook (hook &rest body)
  (let ((tempvar (make-symbol "cat")))
    `(flet ((,tempvar (sym str)
                      (make-symbol (concat (symbol-name sym) str))))
       (add-hook (cat ,hook "-mode-hook") (lambda () ,@body)))))

Does anyone know what's wrong with this and why it doesn't work?

Lowell