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authorChong Yidong <cyd@stupidchicken.com>2009-09-17 20:47:48 +0000
committerChong Yidong <cyd@stupidchicken.com>2009-09-17 20:47:48 +0000
commita69c67e84f2896613eb4e6848ef844e0a312f8c7 (patch)
treea7059fbe5df42884431e119a60dbd00a76f467e6 /lisp/subr.el
parente227ba05ec2f6c6868a95a1323ab71f84568badc (diff)
downloademacs-a69c67e84f2896613eb4e6848ef844e0a312f8c7.tar.gz
* subr.el: Fix last change to avoid using the `unless' macro, which
breaks bootstrapping.
Diffstat (limited to 'lisp/subr.el')
-rw-r--r--lisp/subr.el12
1 files changed, 8 insertions, 4 deletions
diff --git a/lisp/subr.el b/lisp/subr.el
index 00b41752528..e8d7072081e 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -119,7 +119,8 @@ BODY should be a list of Lisp expressions.
;; depend on backquote.el.
(list 'function (cons 'lambda cdr)))
-(unless (featurep 'cl)
+(if (null (featurep 'cl))
+ (progn
;; If we reload subr.el after having loaded CL, be careful not to
;; overwrite CL's extended definition of `dolist', `dotimes',
;; `declare', `push' and `pop'.
@@ -139,7 +140,8 @@ change the list."
(declare (debug (sexp)))
(list 'car
(list 'prog1 listname
- (list 'setq listname (list 'cdr listname))))))
+ (list 'setq listname (list 'cdr listname)))))
+))
(defmacro when (cond &rest body)
"If COND yields non-nil, do BODY, else return nil.
@@ -159,7 +161,8 @@ value of last one, or nil if there are none.
(declare (indent 1) (debug t))
(cons 'if (cons cond (cons nil body))))
-(unless (featurep 'cl)
+(if (null (featurep 'cl))
+ (progn
;; If we reload subr.el after having loaded CL, be careful not to
;; overwrite CL's extended definition of `dolist', `dotimes',
;; `declare', `push' and `pop'.
@@ -214,7 +217,8 @@ the return value (nil if RESULT is omitted).
"Do not evaluate any arguments and return nil.
Treated as a declaration when used at the right place in a
`defmacro' form. \(See Info anchor `(elisp)Definition of declare'.)"
- nil))
+ nil)
+))
(defmacro ignore-errors (&rest body)
"Execute BODY; if an error occurs, return nil.