;;; dgnushack.el --- a hack to set the load path for byte-compiling
-;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
+;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003,
+;; 2004, 2005
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
+(defvar dgnushack-default-load-path (copy-sequence load-path))
+
(defalias 'facep 'ignore)
(require 'cl)
(when (and (not (featurep 'xemacs))
(= emacs-major-version 21)
- (= emacs-minor-version 3)
+ (>= emacs-minor-version 3)
(condition-case code
(let ((byte-compile-error-on-warn t))
(byte-optimize-form (quote (pop x)) t)
(setq ad-return-value (cons fn (nreverse backwards))))
ad-do-it)))
+;; Work around for an incompatibility (XEmacs 21.4 vs. 21.5), see the
+;; following threads:
+;;
+;; http://thread.gmane.org/gmane.emacs.gnus.general/56414
+;; Subject: attachment problems found but not fixed
+;;
+;; http://thread.gmane.org/gmane.emacs.gnus.general/56459
+;; Subject: Splitting mail -- XEmacs 21.4 vs 21.5
+;;
+;; http://thread.gmane.org/gmane.emacs.xemacs.beta/20519
+;; Subject: XEmacs 21.5 and Gnus fancy splitting.
(when (and (featurep 'xemacs)
(let ((table (copy-syntax-table emacs-lisp-mode-syntax-table)))
(modify-syntax-entry ?= " " table)
(autoload 'browse-url "browse-url" nil t)
(autoload 'c-mode "cc-mode" nil t)
(autoload 'customize-apropos "cus-edit" nil t)
+ (autoload 'customize-group "cus-edit" nil t)
(autoload 'customize-save-variable "cus-edit" nil t)
(autoload 'customize-set-variable "cus-edit" nil t)
(autoload 'customize-variable "cus-edit" nil t)
(autoload 'executable-find "executable")
(autoload 'font-lock-fontify-buffer "font-lock" nil t)
(autoload 'info "info" nil t)
+ (autoload 'mail-extract-address-components "mail-extr")
(autoload 'mail-fetch-field "mail-utils")
(autoload 'make-annotation "annotations")
(autoload 'make-display-table "disp-table")
;;; End:
;;; gnus-load.el ends here"))))
+(defun dgnushack-find-lisp-shadows (&optional lispdir)
+ "Return a list of directories in which other Gnus installations exist.
+This function looks for the other Gnus installations which will shadow
+the new Gnus Lisp modules which have been installed in LISPDIR, using
+the default `load-path'. The return value will make sense only when
+LISPDIR is existent and is listed in the default `load-path'. Assume
+LISPDIR will be prepended to `load-path' by a user if the default
+`load-path' does not contain it."
+ (unless lispdir
+ (setq lispdir (getenv "lispdir")))
+ (when (and lispdir (file-directory-p lispdir))
+ (setq lispdir (file-truename (directory-file-name lispdir)))
+ (let ((indices '("gnus.elc" "gnus.el" "gnus.el.bz2" "gnus.el.gz"
+ "message.elc" "message.el" "message.el.bz2"
+ "message.el.gz"))
+ (path (delq nil (mapcar
+ (lambda (p)
+ (condition-case nil
+ (when (and p (file-directory-p p))
+ (file-truename (directory-file-name p)))
+ (error nil)))
+ dgnushack-default-load-path)))
+ rest elcs)
+ (while path
+ (setq rest (cons (car path) rest)
+ path (delete (car rest) (cdr path))))
+ (setq path (nreverse (cdr (member lispdir rest)))
+ rest nil)
+ (while path
+ (setq elcs indices)
+ (while elcs
+ (when (file-exists-p (expand-file-name (pop elcs) (car path)))
+ (setq rest (cons (car path) rest)
+ elcs nil)))
+ (setq path (cdr path)))
+ (prog1
+ (setq path (nreverse rest))
+ (when path
+ (let (print-level print-length)
+ (princ (concat "\n\
+WARNING: The other Gnus installation" (if (cdr path) "s have" " has") "\
+ been detected in:\n\n " (mapconcat 'identity path "\n ") "\n\n\
+You will need to modify the run-time `load-path', remove them manually,
+or remove them using `make remove-installed-shadows'.\n\n"))))))))
+
+(defun dgnushack-remove-lisp-shadows (&optional lispdir)
+ "Remove the other Gnus installations which shadow the recent one."
+ (let ((path (with-temp-buffer
+ (let ((standard-output (current-buffer)))
+ (dgnushack-find-lisp-shadows lispdir))))
+ elcs files shadows file)
+ (when path
+ (unless (setq elcs (directory-files srcdir nil "\\.elc\\'"))
+ (error "You should build .elc files first."))
+ (setq files
+ (apply
+ 'append
+ (mapcar
+ (lambda (el)
+ (list (concat el "c") el (concat el ".bz2") (concat el ".gz")))
+ (append
+ (list (file-name-nondirectory dgnushack-gnus-load-file)
+ (file-name-nondirectory dgnushack-cus-load-file))
+ (mapcar (lambda (elc) (substring elc 0 -1)) elcs)))))
+ (while path
+ (setq shadows files)
+ (while shadows
+ (setq file (expand-file-name (pop shadows) (car path)))
+ (when (file-exists-p file)
+ (princ (concat " Removing " file "..."))
+ (condition-case nil
+ (progn
+ (delete-file file)
+ (princ "done\n"))
+ (error (princ "failed\n")))))
+ (setq path (cdr path))))))
+
;;; dgnushack.el ends here
;;; arch-tag: 579f585a-24eb-4e1c-8d34-4808e11b68f2
projects / elisp / gnus.git- / blobdiff