Require cl for `declare'.

[gnus] / lisp / time-date.el

diff --git a/lisp/time-date.el b/lisp/time-date.el
index fd35706..9d5cc76 100644 (file)
--- a/lisp/time-date.el
+++ b/lisp/time-date.el
@@ -1,7 +1,7 @@
 ;;; time-date.el --- Date and time handling functions
 
 ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-;;   2007, 2008  Free Software Foundation, Inc.
+;;   2007, 2008, 2009  Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;     Masanobu Umeda <umerin@mse.kyutech.ac.jp>
@@ -39,6 +39,9 @@
 
 ;;; Code:
 
+;; Only necessary for `declare' when compiling Gnus with Emacs 21.
+(eval-when-compile (require 'cl))
+
 (defmacro with-decoded-time-value (varlist &rest body)
   "Decode a time value and bind it according to VARLIST, then eval BODY.
 
@@ -290,6 +293,10 @@ This function does not work for SECONDS greater than `most-positive-fixnum'."
       (setq start (match-end 0)
             spec (match-string 1 string))
       (unless (string-equal spec "%")
+       ;; `assoc-string' is not available in Emacs 21.  So when compiling
+       ;; Gnus (`time-date.el' is part of Gnus) with Emacs 21, we get a
+       ;; warning here.  But `format-seconds' is not used anywhere in Gnus so
+       ;; it's not a real problem. --rsteib
         (or (setq match (assoc-string spec units t))
             (error "Bad format specifier: `%s'" spec))
         (if (assoc-string spec usedunits t)