From ce0886adb9f65f6d2fd0361cd57f97daaec6a914 Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Thu, 9 Dec 1999 09:16:03 +0000
Subject: [PATCH] (dgnushack-install-package): Preserve any file in
 $(PACKAGEDIR)/lisp/t-gnus if it is without .el or .elc
 suffix. (mapcon): New compiler macro for emulating cl
 function. (mapc): Bug fix - treat the last arg as a list.

---
 lisp/dgnushack.el |   27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/lisp/dgnushack.el b/lisp/dgnushack.el
index b454f2b..17fd114 100644
--- a/lisp/dgnushack.el
+++ b/lisp/dgnushack.el
@@ -58,7 +58,7 @@
     (if rest
 	`(let* ((fn ,fn)
 		(seq ,seq)
-		(args (cons seq ,rest))
+		(args (cons seq (list ,@rest)))
 		(m (apply (function min) (mapcar (function length) args)))
 		(n 0))
 	   (while (< n m)
@@ -91,6 +91,28 @@
 	   (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 (cons ,seq (list ,@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))))))
+
 ;; 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
@@ -389,7 +411,8 @@ You must specify the name of the package path as follows:
 		'string-lessp))
     (mapcar
      (lambda (file)
-       (unless (member file files)
+       (unless (or (member file files)
+		   (not (string-match "\\.elc?$" file)))
 	 (setq file (expand-file-name file lisp-dir))
 	 (message "Removing %s..." file)
 	 (condition-case nil
-- 
1.7.10.4