From 1f9eb8d4966d5f61052cde9635df1f6bf7dbb815 Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Tue, 25 Apr 2000 03:30:12 +0000
Subject: [PATCH] (union, member-if, mapcon, last): Remove compiler macros.

---
 lisp/dgnushack.el |   75 -----------------------------------------------------
 1 file changed, 75 deletions(-)

diff --git a/lisp/dgnushack.el b/lisp/dgnushack.el
index 496935d..7e1fdb1 100644
--- a/lisp/dgnushack.el
+++ b/lisp/dgnushack.el
@@ -53,81 +53,6 @@
 
 (push "/usr/share/emacs/site-lisp" load-path)
 
-(unless (featurep 'xemacs)
-  (define-compiler-macro last (&whole form x &optional n)
-    (if (and (fboundp 'last)
-	     (subrp (symbol-function 'last)))
-	form
-      (if n
-	  `(let* ((x ,x)
-		  (n ,n)
-		  (m 0)
-		  (p x))
-	     (while (consp p)
-	       (incf m)
-	       (pop p))
-	     (if (<= n 0)
-		 p
-	       (if (< n m)
-		   (nthcdr (- m n) x)
-		 x)))
-	`(let ((x ,x))
-	   (while (consp (cdr x))
-	     (pop x))
-	   x))))
-
-  (define-compiler-macro mapcon (&whole form fn seq &rest rest)
-    (if (and (fboundp 'mapcon)
-	     (subrp (symbol-function 'mapcon)))
-	form
-      (if rest
-	  `(let (res
-		 (args (list ,seq ,@rest))
-		 p)
-	     (while (not (memq nil args))
-	       (push (apply ,fn args) res)
-	       (setq p args)
-	       (while p
-		 (setcar p (cdr (pop p)))
-		 ))
-	     (apply (function nconc) (nreverse res)))
-	`(let (res
-	       (arg ,seq))
-	   (while arg
-	     (push (funcall ,fn arg) res)
-	     (setq arg (cdr arg)))
-	   (apply (function nconc) (nreverse res))))))
-
-  (define-compiler-macro member-if (&whole form pred list)
-    (if (and (fboundp 'member-if)
-	     (subrp (symbol-function 'member-if)))
-	form
-      `(let ((fn ,pred)
-	     (seq ,list))
-	 (while (and seq
-		     (not (funcall fn (car seq))))
-	   (pop seq))
-	 seq)))
-
-  (define-compiler-macro union (&whole form list1 list2)
-    (if (and (fboundp 'union)
-	     (subrp (symbol-function 'union)))
-	form
-      `(let ((a ,list1)
-	     (b ,list2))
-	 (cond ((null a) b)
-	       ((null b) a)
-	       ((equal a b) a)
-	       (t
-		(or (>= (length a) (length b))
-		    (setq a (prog1 b (setq b a))))
-		(while b
-		  (or (memq (car b) a)
-		      (push (car b) a))
-		  (pop b))
-		a)))))
-  )
-
 ;; If we are building w3 in a different directory than the source
 ;; directory, we must read *.el from source directory and write *.elc
 ;; into the building directory.  For that, we define this function
-- 
1.7.10.4