Suppress warning about pi not having a prefix

* lisp/emacs-lisp/float-sup.el (pi): Suppress warning about this
obsolete variable not having a prefix.

diff --git a/lisp/emacs-lisp/float-sup.el b/lisp/emacs-lisp/float-sup.el
index 54c8afe62b471d522b36c39d383a833cbc446f78..48ffaaab3674f636af657ec12dc5ee548a67ac2c 100644 (file)
--- a/lisp/emacs-lisp/float-sup.el
+++ b/lisp/emacs-lisp/float-sup.el
@@ -28,8 +28,9 @@
 ;; Provide an easy hook to tell if we are running with floats or not.
 ;; Define pi and e via math-lib calls (much less prone to killer typos).
 (defconst float-pi (* 4 (atan 1)) "The value of Pi (3.1415926...).")
-(defconst pi float-pi
-  "Obsolete since Emacs-23.3.  Use `float-pi' instead.")
+(with-suppressed-warnings ((lexical pi))
+  (defconst pi float-pi
+    "Obsolete since Emacs-23.3.  Use `float-pi' instead."))
 (internal-make-var-non-special 'pi)
 
 (defconst float-e (exp 1) "The value of e (2.7182818...).")