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-rw-r--r--lisp/emacs-lisp/bytecomp.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index b1aa4a32b25..cb1deb9a762 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -4244,6 +4244,8 @@ and corresponding effects."
(defvar byte-code-meter)
(defun byte-compile-report-ops ()
+ (or (boundp 'byte-metering-on)
+ (error "You must build Emacs with -DBYTE_CODE_METER to use this"))
(with-output-to-temp-buffer "*Meter*"
(set-buffer "*Meter*")
(let ((i 0) n op off)