;;; dgnushack.el --- a hack to set the load path for byte-compiling
-;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1994-2015 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Version: 4.19
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; GNU General Public License for more details.
;; 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.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
+(defvar dgnushack-default-load-path (copy-sequence load-path))
+
+(when (featurep 'xemacs)
+ (defmacro declare-function (fn file &optional arglist fileonly)
+ (unless (fboundp fn) (autoload fn file))
+ nil))
+
(defalias 'facep 'ignore)
(require 'cl)
+(require 'iswitchb)
+
+(condition-case nil
+ (require 'org-entities)
+ (error nil))
(defvar srcdir (or (getenv "srcdir") "."))
+(defvar loaddir (and load-file-name (file-name-directory load-file-name)))
(defun my-getenv (str)
(let ((val (getenv str)))
(if (my-getenv "lispdir")
(push (my-getenv "lispdir") load-path))
-(push (or (my-getenv "URLDIR") (expand-file-name "../../url/lisp/" srcdir))
- load-path)
-
-(push (or (my-getenv "W3DIR") (expand-file-name "../../w3/lisp/" srcdir))
- load-path)
-
;(push "/usr/share/emacs/site-lisp" load-path)
-;; Define compiler macros for the functions provided by cl in old Emacsen.
-(unless (featurep 'xemacs)
- (define-compiler-macro butlast (&whole form x &optional n)
- (if (>= emacs-major-version 21)
- form
- (if n
- `(let ((x ,x)
- (n ,n))
- (if (and n (<= n 0))
- x
- (let ((m (length x)))
- (or n (setq n 1))
- (and (< n m)
- (progn
- (if (> n 0)
- (progn
- (setq x (copy-sequence x))
- (setcdr (nthcdr (- (1- m) n) x) nil)))
- x)))))
- `(let* ((x ,x)
- (m (length x)))
- (and (< 1 m)
- (progn
- (setq x (copy-sequence x))
- (setcdr (nthcdr (- m 2) x) nil)
- x))))))
-
- (define-compiler-macro remove (&whole form item seq)
- (if (>= emacs-major-version 21)
- form
- `(delete ,item (copy-sequence ,seq))))
-
- (define-compiler-macro mapc (&whole form fn seq &rest rest)
- (if (>= emacs-major-version 21)
- form
- (if rest
- `(let* ((fn ,fn)
- (seq ,seq)
- (args (list seq ,@rest))
- (m (apply (function min) (mapcar (function length) args)))
- (n 0))
- (while (< n m)
- (apply fn (mapcar (function (lambda (arg) (nth n arg))) args))
- (setq n (1+ n)))
- seq)
- `(let ((seq ,seq))
- (mapcar ,fn seq)
- seq)))))
-
-;; If we are building w3 in a different directory than the source
+;; If we are building Gnus 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
;; before loading bytecomp. Bytecomp doesn't overwrite this function.
(setq filename (byte-compiler-base-file-name filename))
(setq filename (file-name-sans-versions filename))
(setq filename (file-name-nondirectory filename))
- (if (memq system-type '(win32 w32 mswindows windows-nt))
+ (if (eq system-type 'windows-nt)
(setq filename (downcase filename)))
(cond ((eq system-type 'vax-vms)
(concat (substring filename 0 (string-match ";" filename)) "c"))
; (cons 'progn (cdr form)))
;(defalias 'byte-compile-file-form-defsubst 'byte-compile-file-form-defun)
+;; 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.
+;;
+;; Should be fixed in XEmacs (March 2007).
+;; http://thread.gmane.org/gmane.emacs.xemacs.patches/8124
+;; When should we remove this workaround?
+;;
+(when (and (featurep 'xemacs)
+ (let ((table (copy-syntax-table emacs-lisp-mode-syntax-table)))
+ (modify-syntax-entry ?= " " table)
+ (with-temp-buffer
+ (with-syntax-table table
+ (insert "foo=bar")
+ (goto-char (point-min))
+ (forward-sexp 1)
+ (eolp)))))
+ ;; The original `with-syntax-table' uses `copy-syntax-table' which
+ ;; doesn't seem to copy modified syntax entries in old XEmacs 21.5.
+ (defmacro with-syntax-table (syntab &rest body)
+ "Evaluate BODY with the SYNTAB as the current syntax table."
+ `(let ((stab (syntax-table)))
+ (unwind-protect
+ (progn
+ ;;(set-syntax-table (copy-syntax-table ,syntab))
+ (set-syntax-table ,syntab)
+ ,@body)
+ (set-syntax-table stab)))))
+
(push srcdir load-path)
-(load (expand-file-name "lpath.el" srcdir) nil t)
+(push loaddir load-path)
+(load (expand-file-name "lpath.el" loaddir) nil t)
(defalias 'device-sound-enabled-p 'ignore)
(defalias 'play-sound-file 'ignore)
-(defalias 'nndb-request-article 'ignore)
(defalias 'efs-re-read-dir 'ignore)
(defalias 'ange-ftp-re-read-dir 'ignore)
(defalias 'define-mail-user-agent 'ignore)
+(defalias 'debbugs-gnu-summary-mode 'ignore)
+(defvar debbugs-gnu-bug-number nil)
(eval-and-compile
(unless (featurep 'xemacs)
(defalias 'get-popup-menu-response 'ignore)
(defalias 'event-object 'ignore)
+ (autoload 'iswitchb-read-buffer "iswitchb")
+ (autoload 'netrc-credentials "netrc")
(defalias 'x-defined-colors 'ignore)
(defalias 'read-color 'ignore)))
(eval-and-compile
(when (featurep 'xemacs)
- ;; XEmacs 21.1 needs some extra hand holding
- (when (eq emacs-minor-version 1)
- (autoload 'custom-declare-face "cus-face" nil t)
- (autoload 'cl-compile-time-init "cl-macs" nil t)
- (autoload 'defadvice "advice" nil nil 'macro))
+ (defvar window-point-insertion-type nil)
(unless (fboundp 'defadvice)
(autoload 'defadvice "advice" nil nil 'macro))
+ (unless (boundp 'help-echo-owns-message)
+ (defvar help-echo-owns-message))
+ (unless (boundp 'gnus-registry-enabled)
+ (defvar gnus-registry-enabled nil))
+ (unless (boundp 'mail-dont-reply-to-names)
+ (defvar mail-dont-reply-to-names nil))
+ (unless (fboundp 'url-retrieve-synchronously)
+ (defalias 'url-retrieve-synchronously 'url-retrieve))
+ (unless (fboundp 'url-queue-retrieve)
+ (defun url-queue-retrieve (url callback &optional cbargs silent
+ inhibit-cookies)
+ (url-retrieve url callback cbargs)))
+ (unless (boundp 'w3-configuration-directory)
+ (setq w3-configuration-directory "~/.w3/"))
(autoload 'Info-directory "info" nil t)
+ (autoload 'Info-index "info" nil t)
+ (autoload 'Info-index-next "info" nil t)
(autoload 'Info-menu "info" nil t)
+ (autoload 'ad-add-advice "advice")
+ (unless (and (emacs-version>= 21 5)
+ (not (featurep 'sxemacs)))
+ ;; calendar/auto-autoloads.el provides it.
+ (autoload 'add-to-invisibility-spec "dummy"))
(autoload 'annotations-at "annotations")
(autoload 'apropos "apropos" nil t)
(autoload 'apropos-command "apropos" nil t)
(autoload 'bbdb-complete-name "bbdb-com" nil t)
(autoload 'browse-url "browse-url" nil t)
+ (autoload 'browse-url-of-file "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 'debug "debug" nil t)
+ (autoload 'sha1 "sha1")
+ (if (featurep 'mule)
+ (unless (locate-library "mule-ccl")
+ (autoload 'define-ccl-program "ccl" nil nil 'macro))
+ (defalias 'define-ccl-program 'ignore))
(autoload 'delete-annotation "annotations")
(autoload 'dolist "cl-macs" nil nil 'macro)
(autoload 'enriched-decode "enriched")
+ (autoload 'eudc-expand-inline "eudc" nil t)
+ (autoload 'executable-find "executable")
+ (autoload 'font-lock-fontify-buffer "font-lock" nil t)
+ (when (and (emacs-version>= 21 5)
+ (not (featurep 'sxemacs)))
+ (autoload 'get-display-table "disp-table")
+ (autoload 'put-display-table "disp-table"))
(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")
(autoload 'pp "pp")
(autoload 'read-passwd "passwd")
(autoload 'regexp-opt "regexp-opt")
(autoload 'reporter-submit-bug-report "reporter")
- (if (emacs-version>= 21 5)
+ (if (condition-case nil
+ (progn
+ (require 'rot13)
+ (not (fboundp 'rot13-string)))
+ (error nil))
+ (defmacro rot13-string (string)
+ "Return ROT13 encryption of STRING."
+ `(let ((string ,string))
+ (with-temp-buffer
+ (insert string)
+ (translate-region (point-min) (point-max) ,rot13-display-table)
+ (buffer-string)))))
+ (if (and (emacs-version>= 21 5)
+ (not (featurep 'sxemacs)))
(autoload 'setenv "process" nil t)
(autoload 'setenv "env" nil t))
+ (autoload 'sgml-mode "psgml" nil t)
(autoload 'smtpmail-send-it "smtpmail")
(autoload 'sort-numeric-fields "sort" nil t)
(autoload 'sort-subr "sort")
+ (autoload 'thing-at-point "thingatpt")
+ (autoload 'toggle-truncate-lines "view-less" nil t)
(autoload 'trace-function-background "trace" nil t)
- (autoload 'w3-do-setup "w3")
- (autoload 'w3-prepare-buffer "w3-display")
- (autoload 'w3-region "w3-display" nil t)
+ (autoload 'unmorse-region "morse" nil t)
(defalias 'frame-char-height 'frame-height)
(defalias 'frame-char-width 'frame-width)
(defalias 'frame-parameter 'frame-property)
(defalias 'overlays-in 'ignore)
(defalias 'replace-dehighlight 'ignore)
(defalias 'replace-highlight 'ignore)
- (defalias 'run-with-idle-timer 'ignore)
- (defalias 'w3-coding-system-for-mime-charset 'ignore)))
+ (defalias 'gnutls-available-p 'ignore)
+ (defvar timer-list nil)
+ (defvar scroll-margin 0)))
+
+(defun dgnushack-emacs-compile-defcustom-p ()
+ "Return non-nil if Emacs byte compiles `defcustom' forms.
+Those Emacsen will warn against undefined variables and functions used
+in `defcustom' forms."
+ (let ((outbuf (with-temp-buffer
+ (insert "(defcustom foo (1+ (random)) \"\" :group 'emacs)\n")
+ (byte-compile-from-buffer (current-buffer) "foo.el"))))
+ (when outbuf
+ (prog1
+ (with-current-buffer outbuf
+ (goto-char (point-min))
+ (search-forward " 'foo '(byte-code " nil t))
+ (kill-buffer outbuf)))))
+
+(when (and (featurep 'xemacs)
+ (dgnushack-emacs-compile-defcustom-p))
+ (maybe-fbind '(defined-colors face-attribute))
+ (maybe-bind '(idna-program installation-directory)))
+
+(when (featurep 'xemacs)
+ (defadvice byte-optimize-apply (before use-mapcan (form) activate)
+ "Replace (apply 'nconc (mapcar ...)) with (mapcan ...)."
+ (let ((last (nth (1- (length form)) form)))
+ (when (and (eq last (third form))
+ (consp last)
+ (eq 'mapcar (car last))
+ (equal (nth 1 form) ''nconc))
+ (setq form (cons 'mapcan (cdr last)))))))
+
+(if (featurep 'emacs)
+ (defun dgnushack-compile-file (file)
+ "Byte-compile FILE after reporting that it's being compiled."
+ (message "Compiling %s..." (file-name-nondirectory file))
+ ;; The Emacs 25 version of it doesn't say much.
+ (byte-compile-file file))
+ (defalias 'dgnushack-compile-file 'byte-compile-file))
(defun dgnushack-compile-verbosely ()
"Call dgnushack-compile with warnings ENABLED. If you are compiling
dgnushack-compile."
(dgnushack-compile t))
-(defun dgnushack-compile (&optional warn)
+(defun dgnushack-compile-error-on-warn ()
+ "Call dgnushack-compile with minimal warnings, but with error-on-warn ENABLED.
+This means that every warning will be reported as an error."
+ (unless (dgnushack-compile nil t)
+ (error "Error during byte compilation (warnings were reported as errors!).")))
+
+(defun dgnushack-compile (&optional warn error-on-warn)
;;(setq byte-compile-dynamic t)
- (when (and (not (featurep 'xemacs))
- (< emacs-major-version 21))
- (setq max-specpdl-size 1200))
(unless warn
(setq byte-compile-warnings
- '(free-vars unresolved callargs redefine)))
- (unless (locate-library "cus-edit")
- (error "You do not seem to have Custom installed.
-Fetch it from <URL:http://www.dina.kvl.dk/~abraham/custom/>.
-You also then need to add the following to the lisp/dgnushack.el file:
-
- (push \"~/lisp/custom\" load-path)
-
-Modify to suit your needs."))
+ '(free-vars unresolved callargs redefine suspicious)))
(let ((files (directory-files srcdir nil "^[^=].*\\.el$"))
+ (compilesuccess t)
;;(byte-compile-generate-call-tree t)
file elc)
;; Avoid barfing (from gnus-xmas) because the etc directory is not yet
;; installed.
(when (featurep 'xemacs)
(setq gnus-xmas-glyph-directory "dummy"))
- (dolist (file '("dgnushack.el" "lpath.el"))
+ (dolist (file '(".dir-locals.el" "dgnushack.el" "lpath.el"))
(setq files (delete file files)))
(when (featurep 'base64)
(setq files (delete "base64.el" files)))
(condition-case code
- (require 'w3-parse)
- (error
- (message "No w3: %s %s" (cadr code) (or (locate-library "w3-parse") ""))
- (dolist (file '("nnultimate.el" "webmail.el" "nnwfm.el"))
- (setq files (delete file files)))))
- (condition-case code
+ ;; Under XEmacs 21.4 this loads easy-mmode.elc that provides
+ ;; the Emacs functions `propertize' and `replace-regexp-in-string'.
(require 'mh-e)
(error
(message "No mh-e: %s %s" (cadr code) (or (locate-library "mh-e") ""))
'("md5.el")
'("gnus-xmas.el" "messagexmas.el" "nnheaderxm.el")))
(setq files (delete file files)))
-
+ (unless (and (fboundp 'libxml-parse-html-region)
+ ;; lpath.el binds it.
+ (not (eq (symbol-function 'libxml-parse-html-region)
+ 'ignore)))
+ (dolist (file '("color.el"))
+ (setq files (delete file files))))
+ (unless (locate-library "epg")
+ (setq files (delete "plstore.el" files)))
+ ;; Temporary code until we fix pcase and defmethod stuff.
+ (when (or (featurep 'xemacs)
+ (or (< emacs-major-version 24)
+ (< emacs-minor-version 3)))
+ (setq files (delete "gnus-icalendar.el" files))
+ ;; Temporary during development.
+ (setq files (delete "gnus-cloud.el" files)))
(dolist (file files)
(setq file (expand-file-name file srcdir))
(when (and (file-exists-p
(when (or (not (file-exists-p
(setq elc (concat (file-name-nondirectory file) "c"))))
(file-newer-than-file-p file elc))
- (ignore-errors
- (byte-compile-file file))))))
+ (if error-on-warn
+ (let ((byte-compile-error-on-warn t))
+ (unless (ignore-errors
+ (dgnushack-compile-file file))
+ (setq compilesuccess nil)))
+ (ignore-errors
+ (dgnushack-compile-file file)))))
+ compilesuccess))
(defun dgnushack-recompile ()
(require 'gnus)
(expand-file-name "auto-autoloads.el")
(expand-file-name "gnus-load.el")))
-(defvar dgnushack-cus-load-file
+(defvar dgnushack-cus-load-file
(if (featurep 'xemacs)
(expand-file-name "custom-load.el")
(expand-file-name "cus-load.el")))
(defun dgnushack-make-cus-load ()
(load "cus-dep")
(let ((cusload-base-file dgnushack-cus-load-file))
- (if (fboundp 'custom-make-dependencies)
- (custom-make-dependencies)
- (Custom-make-dependencies))
+ (defadvice directory-files (after exclude-dir-locals activate)
+ "Exclude .dir-locals.el file."
+ (dolist (file ad-return-value)
+ (if (string-match "\\(?:\\`\\|/\\)\\.dir-locals\\.el\\'" file)
+ (setq ad-return-value (delete file ad-return-value)))))
+ (unwind-protect
+ (if (fboundp 'custom-make-dependencies)
+ (custom-make-dependencies)
+ (Custom-make-dependencies))
+ (ad-unadvise 'directory-files))
(when (featurep 'xemacs)
(message "Compiling %s..." dgnushack-cus-load-file)
(byte-compile-file dgnushack-cus-load-file))))
(defun dgnushack-make-auto-load ()
(require 'autoload)
- (unless (make-autoload '(define-derived-mode child parent name
- "docstring" body)
- "file")
- (defadvice make-autoload (around handle-define-derived-mode activate)
- "Handle `define-derived-mode'."
- (if (eq (car-safe (ad-get-arg 0)) 'define-derived-mode)
- (setq ad-return-value
- (list 'autoload
- (list 'quote (nth 1 (ad-get-arg 0)))
- (ad-get-arg 1)
- (nth 4 (ad-get-arg 0))
- t nil))
- ad-do-it))
- (put 'define-derived-mode 'doc-string-elt 3))
(let ((generated-autoload-file dgnushack-gnus-load-file)
(make-backup-files nil)
(autoload-package-name "gnus"))
(delete-file generated-autoload-file))
(with-temp-file generated-autoload-file
(insert ?\014)))
- (batch-update-autoloads)))
+ (defadvice directory-files (after exclude-dir-locals activate)
+ "Exclude .dir-locals.el file."
+ (dolist (file ad-return-value)
+ (if (string-match "\\(?:\\`\\|/\\)\\.dir-locals\\.el\\'" file)
+ (setq ad-return-value (delete file ad-return-value)))))
+ (unwind-protect
+ (batch-update-autoloads)
+ (ad-unadvise 'directory-files))))
(defun dgnushack-make-load ()
(unless (featurep 'xemacs)
;;; 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))))))
+
+(unless (fboundp 'with-demoted-errors)
+ (defmacro with-demoted-errors (&rest body)
+ "Run BODY and demote any errors to simple messages.
+If `debug-on-error' is non-nil, run BODY without catching its errors.
+This is to be used around code which is not expected to signal an error
+but which should be robust in the unexpected case that an error is signaled."
+ (declare (debug t) (indent 0))
+ (let ((err (make-symbol "err")))
+ `(condition-case ,err
+ (progn ,@body)
+ (error (message "Error: %S" ,err) nil)))))
+
+;; `define-obsolete-function-alias' and `define-obsolete-variable-alias'
+;; take only two arguments in XEmacs:
+;; (define-obsolete-function-alias OLDFUN NEWFUN)
+;; (define-obsolete-variable-alias OLDVAR NEWVAR)
+(condition-case nil
+ (define-obsolete-function-alias
+ 'dgnushack-obsolete-name 'dgnushack-current-name "0")
+ (wrong-number-of-arguments
+ (defadvice define-obsolete-function-alias (around ignore-rest-args
+ (oldfun newfun &rest args)
+ activate)
+ "Ignore arguments other than the 1st and the 2nd ones."
+ ad-do-it)
+ (put 'define-obsolete-function-alias 'byte-optimizer
+ (lambda (form)
+ (setcdr (nthcdr 2 form) nil)
+ form))))
+(condition-case nil
+ (define-obsolete-variable-alias
+ 'dgnushack-obsolete-name 'dgnushack-current-name "0")
+ (wrong-number-of-arguments
+ (defadvice define-obsolete-variable-alias (around ignore-rest-args
+ (oldvar newvar &rest args)
+ activate)
+ "Ignore arguments other than the 1st and the 2nd ones."
+ ad-do-it)
+ (put 'define-obsolete-variable-alias 'byte-optimizer
+ (lambda (form)
+ (setcdr (nthcdr 2 form) nil)
+ form))))
;;; dgnushack.el ends here