(ad-special-forms): Use track-mouse iff bound.

1 files changed, 10 insertions, 7 deletions

diff --git a/lisp/emacs-lisp/advice.el b/lisp/emacs-lisp/advice.el
index 9f670e8010c..6dab539a019 100644
--- a/lisp/emacs-lisp/advice.el
+++ b/lisp/emacs-lisp/advice.el
@@ -2472,13 +2472,16 @@ will clear the cache."
 ;; There is no way to determine whether some subr is a special form or not,
 ;; hence we need this list (which is probably out of date):
 (defvar ad-special-forms
-  (mapcar 'symbol-function
-          '(and catch cond condition-case defconst defmacro
-                defun defvar function if interactive let let*
-                or prog1 prog2 progn quote save-current-buffer
-                save-excursion save-restriction save-window-excursion
-                setq setq-default track-mouse unwind-protect while
-                with-output-to-temp-buffer)))
+  (let ((tem '(and catch cond condition-case defconst defmacro
+                   defun defvar function if interactive let let*
+                   or prog1 prog2 progn quote save-current-buffer
+                   save-excursion save-restriction save-window-excursion
+                   setq setq-default track-mouse unwind-protect while
+                   with-output-to-temp-buffer)))
+    ;; track-mouse could be void in some configurations.
+    (if (fboundp 'track-mouse)
+        (setq tem (cons 'track-mouse tem)))
+    (mapcar 'symbol-function tem)))
 
 (defmacro ad-special-form-p (definition)
   ;;"non-nil if DEFINITION is a special form."