xemacs-beta: lisp/startup.el comparison

comparison lisp/startup.el @ 209:41ff10fd062f r20-4b3

Import from CVS: tag r20-4b3

author	cvs
date	Mon, 13 Aug 2007 10:04:58 +0200
parents
children	1f0dabaa0855

comparison

equal deleted inserted replaced

-:f427b8ec4379
+:41ff10fd062f
+;;; startup.el --- process XEmacs shell arguments
+;; Copyright (C) 1985-1986, 1990, 1992-1997 Free Software Foundation, Inc.
+;; Copyright (c) 1993, 1994 Sun Microsystems, Inc.
+;; Copyright (C) 1995 Board of Trustees, University of Illinois
+;; Maintainer: XEmacs Development Team
+;; Keywords: internal, dumped
+;; This file is part of XEmacs.
+;; XEmacs 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)
+;; any later version.
+;; XEmacs is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+;; You should have received a copy of the GNU General Public License
+;; along with XEmacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+;;; Synched up with: FSF 19.34.
+;;; Commentary:
+;; This file is dumped with XEmacs.
+;; -batch, -t, and -nw are processed by main() in emacs.c and are
+;; never seen by lisp code.
+;; -version and -help are special-cased as well: they imply -batch,
+;; but are left on the list for lisp code to process.
+;;; Code:
+(setq top-level '(normal-top-level))
+(defvar command-line-processed nil "t once command line has been processed")
+(defconst startup-message-timeout 12000) ; More or less disable the timeout
+(defconst inhibit-startup-message nil
+"*Non-nil inhibits the initial startup message.
+This is for use in your personal init file, once you are familiar
+with the contents of the startup message.")
+;; #### FSFmacs randomness
+;;(defconst inhibit-startup-echo-area-message nil
+;;  "*Non-nil inhibits the initial startup echo area message.
+;;Inhibition takes effect only if your `.emacs' file contains
+;;a line of this form:
+;; (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")
+;;If your `.emacs' file is byte-compiled, use the following form instead:
+;; (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\"))
+;;Thus, someone else using a copy of your `.emacs' file will see
+;;the startup message unless he personally acts to inhibit it.")
+(defconst inhibit-default-init nil
+"*Non-nil inhibits loading the `default' library.")
+(defvar command-line-args-left nil
+"List of command-line args not yet processed.") ; bound by `command-line'
+(defvar command-line-default-directory nil
+"Default directory to use for command line arguments.
+This is normally copied from `default-directory' when XEmacs starts.")
+(defvar before-init-hook nil
+"Functions to call after handling urgent options but before init files.
+The frame system uses this to open frames to display messages while
+XEmacs loads the user's initialization file.")
+(defvar after-init-hook nil
+"*Functions to call after loading the init file (`~/.xemacs/init.el').
+The call is not protected by a condition-case, so you can set `debug-on-error'
+in `init.el', and put all the actual code on `after-init-hook'.")
+(defvar term-setup-hook nil
+"*Functions to be called after loading terminal-specific Lisp code.
+See `run-hooks'.  This variable exists for users to set, so as to
+override the definitions made by the terminal-specific file.  XEmacs
+never sets this variable itself.")
+(defvar keyboard-type nil
+"The brand of keyboard you are using.
+This variable is used to define the proper function and keypad keys
+for use under X.  It is used in a fashion analogous to the environment
+value TERM.")
+(defvar window-setup-hook nil
+"Normal hook run to initialize window system display.
+XEmacs runs this hook after processing the command line arguments and loading
+the user's init file.")
+(defconst initial-major-mode 'lisp-interaction-mode
+"Major mode command symbol to use for the initial *scratch* buffer.")
+(defvar init-file-user nil
+"Identity of user whose `~/.xemacs/init.el' file is or was read.
+The value is nil if no init file is being used; otherwise, it may be either
+the null string, meaning that the init file was taken from the user that
+originally logged in, or it may be a string containing a user's name.
+In either of the latter cases, `(concat \"~\" init-file-user \"/\")'
+evaluates to the name of the directory where the `init.el' file was
+looked for.
+Setting `init-file-user' does not prevent Emacs from loading
+`site-start.el'.  The only way to do that is to use `--no-site-file'.")
+;; #### called `site-run-file' in FSFmacs
+(defvar site-start-file (purecopy "site-start")
+"File containing site-wide run-time initializations.
+This file is loaded at run-time before `~/.xemacs/init.el'.  It
+contains inits that need to be in place for the entire site, but
+which, due to their higher incidence of change, don't make sense to
+load into XEmacs' dumped image.  Thus, the run-time load order is:
+1. file described in this variable, if non-nil;
+2. `~/.xemacs/init.el';
+3. `/path/to/xemacs/lisp/default.el'.
+Don't use the `site-start.el' file for things some users may not like.
+Put them in `default.el' instead, so that users can more easily
+override them.  Users can prevent loading `default.el' with the `-q'
+option or by setting `inhibit-default-init' in their own init files,
+but inhibiting `site-start.el' requires `--no-site-file', which
+is less convenient.")
+;;(defconst iso-8859-1-locale-regexp "8859[-_]?1"
+;;  "Regexp that specifies when to enable the ISO 8859-1 character set.
+;;We do that if this regexp matches the locale name
+;;specified by the LC_ALL, LC_CTYPE and LANG environment variables.")
+(defvar mail-host-address nil
+"*Name of this machine, for purposes of naming users.")
+(defvar user-mail-address nil
+"*Full mailing address of this user.
+This is initialized based on `mail-host-address',
+after your init file is read, in case it sets `mail-host-address'.")
+(defvar auto-save-list-file-prefix "~/.xemacs/.saves-"
+"Prefix for generating auto-save-list-file-name.
+Emacs's pid and the system name will be appended to
+this prefix to create a unique file name.")
+(defvar init-file-debug nil)
+(defvar init-file-had-error nil)
+(defvar init-file-loaded nil
+"True after the user's init file has been loaded (or suppressed with -q).
+This will be true when `after-init-hook' is run and at all times
+after, and will not be true at any time before.")
+(defvar initial-frame-unmapped-p nil)
+(defvar command-switch-alist
+(purecopy
+'(("-help"	. command-line-do-help)
+("-flags"	. command-line-do-help)
+("-h"	. command-line-do-help)
+("-?"	. command-line-do-help)
+("-version". command-line-do-version)
+("-V"	. command-line-do-version)
+("-funcall". command-line-do-funcall)
+("-f"	. command-line-do-funcall)
+("-e"	. command-line-do-funcall-1)
+("-eval"	. command-line-do-eval)
+("-load"	. command-line-do-load)
+("-l"	. command-line-do-load)
+("-insert"	. command-line-do-insert)
+("-i"	. command-line-do-insert)
+("-kill"	. command-line-do-kill)
+;; Options like +35 are handled specially.
+;; Window-system, site, or package-specific code might add to this.
+;; X11 handles its options by letting Xt remove args from this list.
+))
+"Alist of command-line switches.
+Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
+HANDLER-FUNCTION receives switch name as sole arg;
+remaining command-line args are in the variable `command-line-args-left'.")
+;;; default switches
+;;; Note: these doc strings are semi-magical.
+(defun command-line-do-help (arg)
+"Print the XEmacs usage message and exit."
+(let ((standard-output 'external-debugging-output))
+(princ (concat "\n" (emacs-version) "\n\n"))
+(princ
+(if (featurep 'x)
+	 (concat (emacs-name)
+		 " accepts all standard X Toolkit command line options.\n"
+		 "In addition, the")
+"The"))
+(princ " following options are accepted:
+-t <device>           Use TTY <device> instead of the terminal for input
+and output.  This implies the -nw option.
+-nw                   Inhibit the use of any window-system-specific
+display code: use the current tty.
+-batch                Execute noninteractively (messages go to stderr).
+-debug-init           Enter the debugger if an error in the init file occurs.
+-unmapped             Do not map the initial frame.
+-no-site-file         Do not load the site-specific init file (site-start.el).
+-no-init-file         Do not load the user-specific init file (~/.emacs).
+-no-packages		Do not process the package path.
+-vanilla		Equivalent to -q -no-site-file -no-packages.
+-q                    Same as -no-init-file.
+-user <user>          Load user's init file instead of your own.
+-u <user>             Same as -user.\n")
+(let ((l command-switch-alist)
+	  (insert (lambda (&rest x)
+		    (princ "  ")
+		    (let ((len 2))
+		      (while x
+			(princ (car x))
+			(incf len (length (car x)))
+			(setq x (cdr x)))
+		      (when (>= len 24)
+			(terpri) (setq len 0))
+		      (while (< len 24)
+			(princ " ")
+			(incf len))))))
+(while l
+(let ((name (car (car l)))
+(fn (cdr (car l)))
+	      doc arg cons)
+	  (cond
+	   ((and (symbolp fn) (get fn 'undocumented)) nil)
+	   (t
+	    (setq doc (documentation fn))
+	    (if (member doc '(nil "")) (setq doc "(undocumented)"))
+	    (cond ((string-match "\n\\(<.*>\\)\n?\\'" doc)
+		   ;; Doc of the form "The frobber switch\n<arg1> <arg2>"
+		   (setq arg (substring doc (match-beginning 1) (match-end 1))
+			 doc (substring doc 0 (match-beginning 0))))
+		  ((string-match "\n+\\'" doc)
+		   (setq doc (substring doc 0 (match-beginning 0)))))
+	    (if (and (setq cons (rassq fn command-switch-alist))
+		     (not (eq cons (car l))))
+		(setq doc (format "Same as %s." (car cons))))
+	    (if arg
+		(funcall insert name " " arg)
+	      (funcall insert name))
+	    (princ doc)
+	    (terpri))))
+(setq l (cdr l))))
+(princ (concat "\
++N <file>             Start displaying <file> at line N.
+Anything else is considered a file name, and is placed into a buffer for
+editing.
+" (emacs-name) " has an online tutorial and manuals.  Type ^Ht (Control-h t) after
+starting XEmacs to run the tutorial.  Type ^Hi to enter the manual browser.
+Type ^H^H^H (Control-h Control-h Control-h) to get more help options.\n")
+(kill-emacs 0))))
+(defun command-line-do-funcall (arg)
+"Invoke the named lisp function with no arguments.
+<function>"
+(funcall (intern (pop command-line-args-left))))
+(fset 'command-line-do-funcall-1 'command-line-do-funcall)
+(put 'command-line-do-funcall-1 'undocumented t)
+(defun command-line-do-eval (arg)
+"Evaluate the lisp form.  Quote it carefully.
+<form>"
+(eval (read (pop command-line-args-left))))
+(defun command-line-do-load (arg)
+"Load the named file of Lisp code into XEmacs.
+<file>"
+(let ((file (pop command-line-args-left)))
+;; Take file from default dir if it exists there;
+;; otherwise let `load' search for it.
+(if (file-exists-p (expand-file-name file))
+	(setq file (expand-file-name file)))
+(load file nil t)))
+(defun command-line-do-insert (arg)
+"Insert file into the current buffer.
+<file>"
+(insert-file-contents (pop command-line-args-left)))
+(defun command-line-do-kill (arg)
+"Exit XEmacs."
+(kill-emacs t))
+(defun command-line-do-version (arg)
+"Print version info and exit."
+(princ (concat (emacs-version) "\n"))
+(kill-emacs 0))
+;;; Processing the command line and loading various init files
+(defun early-error-handler (&rest debugger-args)
+"You should probably not be using this."
+;; Used as the debugger during XEmacs initialization; if an error occurs,
+;; print some diagnostics, and kill XEmacs.
+;; output the contents of the warning buffer, since it won't be seen
+;; otherwise.
+;; #### kludge!  The call to Feval forces the pending warnings to
+;; get output.  There definitely needs to be a better way.
+(let ((buffer (eval (get-buffer-create "*Warnings*"))))
+(princ (buffer-substring (point-min buffer) (point-max buffer) buffer)
+	   'external-debugging-output))
+(let ((string "Initialization error")
+	(error (nth 1 debugger-args))
+	(debug-on-error nil)
+	(stream 'external-debugging-output))
+(if (null error)
+	(princ string stream)
+(princ (concat "\n" string ": ") stream)
+(condition-case ()
+	  (display-error error stream)
+	(error (princ "<<< error printing error message >>>" stream)))
+(princ "\n" stream)
+(if (memq (car-safe error) '(void-function void-variable))
+	  (princ "
+	This probably means that XEmacs is picking up an old version of
+	the lisp library, or that some .elc files are not up-to-date.\n"
+		 stream)))
+(when (not suppress-early-error-handler-backtrace)
+(let ((print-length 1000)
+	    (print-level 1000)
+	    (print-escape-newlines t)
+	    (print-readably nil))
+	(when (getenv "EMACSLOADPATH")
+	  (princ (format "\n$EMACSLOADPATH is %s" (getenv "EMACSLOADPATH"))
+		 stream))
+	(princ (format "\nexec-directory is %S" exec-directory) stream)
+	(princ (format "\ndata-directory is %S" data-directory) stream)
+	(princ (format "\ndoc-directory is %S" doc-directory) stream)
+	(princ (format "\nload-path is %S" load-path) stream)
+	(princ "\n\n" stream)))
+(when (not suppress-early-error-handler-backtrace)
+(backtrace stream t)))
+(kill-emacs -1))
+(defvar lock-directory)
+(defvar superlock-file)
+(defun normal-top-level ()
+(if command-line-processed
+(message "Back to top level.")
+(setq command-line-processed t)
+;; Canonicalize HOME (PWD is canonicalized by init_buffer in buffer.c)
+(unless (eq system-type 'vax-vms)
+(let ((value (getenv "HOME")))
+	(if (and value
+		 (< (length value) (length default-directory))
+		 (equal (file-attributes default-directory)
+			(file-attributes value)))
+	    (setq default-directory (file-name-as-directory value)))))
+(setq default-directory (abbreviate-file-name default-directory))
+(initialize-xemacs-paths)
+(unwind-protect
+	(command-line)
+;; Do this again, in case .emacs defined more abbreviations.
+(setq default-directory (abbreviate-file-name default-directory))
+;; Specify the file for recording all the auto save files of
+;; this session.  This is used by recover-session.
+(setq auto-save-list-file-name
+	    (expand-file-name
+	     (format "%s%d-%s"
+		     auto-save-list-file-prefix
+		     (emacs-pid)
+		     (system-name))))
+(run-hooks 'emacs-startup-hook)
+(and term-setup-hook
+	   (run-hooks 'term-setup-hook))
+(setq term-setup-hook nil)
+;;      ;; Modify the initial frame based on what .emacs puts into
+;;      ;; ...-frame-alist.
+(frame-notice-user-settings)
+;;      ;;####FSFmacs junk
+;;      ;; Now we know the user's default font, so add it to the menu.
+;;      (if (fboundp 'font-menu-add-default)
+;;	  (font-menu-add-default))
+(when window-setup-hook
+	(run-hooks 'window-setup-hook))
+(setq window-setup-hook nil))
+;;####FSFmacs junk
+;;      (or menubar-bindings-done
+;;	  (precompute-menubar-bindings))
+))
+;;####FSFmacs junk
+;;; Precompute the keyboard equivalents in the menu bar items.
+;;(defun precompute-menubar-bindings ()
+;;  (if (eq window-system 'x)
+;;      (let ((submap (lookup-key global-map [menu-bar])))
+;;	(while submap
+;;	  (and (consp (car submap))
+;;	       (symbolp (car (car submap)))
+;;	       (stringp (car-safe (cdr (car submap))))
+;;	       (keymapp (cdr (cdr (car submap))))
+;;	       (x-popup-menu nil (cdr (cdr (car submap)))))
+;;	  (setq submap (cdr submap))))))
+(defun command-line-early (args)
+;; This processes those switches which need to be processed before
+;; starting up the window system.
+(setq command-line-default-directory default-directory)
+;; See if we should import version-control from the environment variable.
+(let ((vc (getenv "VERSION_CONTROL")))
+(cond ((eq vc nil))			;don't do anything if not set
+	  ((or (string= vc "t")
+	       (string= vc "numbered"))
+	   (setq version-control t))
+	  ((or (string= vc "nil")
+	       (string= vc "existing"))
+	   (setq version-control nil))
+	  ((or (string= vc "never")
+	       (string= vc "simple"))
+	   (setq version-control 'never))))
+;;####FSFmacs
+;;  (if (let ((ctype
+;;	     ;; Use the first of these three envvars that has a nonempty value.
+;;	     (or (let ((string (getenv "LC_ALL")))
+;;		   (and (not (equal string "")) string))
+;;		 (let ((string (getenv "LC_CTYPE")))
+;;		   (and (not (equal string "")) string))
+;;		 (let ((string (getenv "LANG")))
+;;		   (and (not (equal string "")) string)))))
+;;	(and ctype
+;;	     (string-match iso-8859-1-locale-regexp ctype)))
+;;      (progn
+;;	(standard-display-european t)
+;;	(require 'iso-syntax)))
+;; Figure out which user's init file to load,
+;; either from the environment or from the options.
+(setq init-file-user (if (noninteractive) nil (user-login-name)))
+;; If user has not done su, use current $HOME to find .emacs.
+(and init-file-user (string= init-file-user (user-real-login-name))
+(setq init-file-user ""))
+;; Allow (at least) these arguments anywhere in the command line
+(let ((new-args nil)
+	(arg      nil))
+(while args
+(setq arg (pop args))
+(cond
+((or (string= arg "-q")
+	    (string= arg "-no-init-file"))
+	(setq init-file-user nil))
+((string= arg "-no-site-file")
+	(setq site-start-file nil))
+((or (string= arg "-no-packages")
+	    (string= arg "--no-packages"))
+	(setq inhibit-package-init t))
+((or (string= arg "-vanilla")
+	    (string= arg "--vanilla"))
+	(setq init-file-user nil
+	      site-start-file nil
+	      inhibit-package-init t))
+((or (string= arg "-u")
+	    (string= arg "-user"))
+	(setq init-file-user (pop args)))
+((string= arg "-debug-init")
+	(setq init-file-debug t))
+((string= arg "-unmapped")
+	(setq initial-frame-unmapped-p t))
+((or (string= arg "--") (string= arg "-"))
+	(while args
+	  (push (pop args) new-args)))
+(t (push arg new-args))))
+(nreverse new-args)))
+(defconst initial-scratch-message "\
+;; This buffer is for notes you don't want to save, and for Lisp evaluation.
+;; If you want to create a file, first visit that file with C-x C-f,
+;; then enter the text in that file's own buffer.
+"
+"Initial message displayed in *scratch* buffer at startup.
+If this is nil, no message will be displayed.")
+(defun command-line ()
+(let ((command-line-args-left (cdr command-line-args)))
+(let ((debugger 'early-error-handler)
+	  (debug-on-error t))
+(set-default-load-path)
+;; Process magic command-line switches like -q and -u.  Do this
+;; before creating the first frame because some of these switches
+;; may affect that.  I think it's ok to do this before establishing
+;; the X connection, and maybe someday things like -nw can be
+;; handled here instead of down in C.
+(setq command-line-args-left (command-line-early command-line-args-left))
+;; Setup the toolbar icon directory
+(when (featurep 'toolbar)
+	(init-toolbar-location))
+;; Run the window system's init function.  tty is considered to be
+;; a type of window system for this purpose.  This creates the
+;; initial (non stdio) device.
+(when (and initial-window-system (not noninteractive))
+	(funcall (intern (concat "init-"
+				 (symbol-name initial-window-system)
+				 "-win"))))
+;; When not in batch mode, this creates the first visible frame,
+;; and deletes the stdio device.
+(frame-initialize))
+;;
+;; We have normality, I repeat, we have normality.  Anything you still
+;; can't cope with is therefore your own problem.  (And we don't need
+;; to kill XEmacs for it.)
+;;
+;;; Load init files.
+(load-init-file)
+(with-current-buffer (get-buffer "*scratch*")
+(erase-buffer)
+;; (insert initial-scratch-message)
+(set-buffer-modified-p nil)
+(when (eq major-mode 'fundamental-mode)
+	(funcall initial-major-mode)))
+;; Load library for our terminal type.
+;; User init file can set term-file-prefix to nil to prevent this.
+;; Note that for any TTY's opened subsequently, the TTY init
+;; code will run this.
+(when (and (eq 'tty (console-type))
+	       (not (noninteractive)))
+(load-terminal-library))
+;; Process the remaining args.
+(command-line-1)
+;; it was turned on by default so that the warnings don't get displayed
+;; until after the splash screen.
+(setq inhibit-warning-display nil)
+;; If -batch, terminate after processing the command options.
+(when (noninteractive) (kill-emacs t))))
+(defun load-terminal-library ()
+(when term-file-prefix
+(let ((term (getenv "TERM"))
+	  hyphend)
+(while (and term
+		  (not (load (concat term-file-prefix term) t t)))
+	;; Strip off last hyphen and what follows, then try again
+	(if (setq hyphend (string-match "[-_][^-_]+\\'" term))
+	    (setq term (substring term 0 hyphend))
+	  (setq term nil))))))
+(defconst user-init-directory "/.xemacs/"
+"Directory where user initialization and user-installed packages may go.")
+(define-obsolete-variable-alias
+'emacs-user-extension-dir
+'user-init-directory)
+(defun load-user-init-file (init-file-user)
+"This function actually reads the init files.
+First try .xemacs/init, then try .emacs, but only load one of the two."
+(when init-file-user
+(setq user-init-file
+	  (cond
+	   ((eq system-type 'ms-dos)
+	    (concat "~" init-file-user user-init-directory "init.el"))
+	   (t
+	    (concat "~" init-file-user user-init-directory "init.el"))))
+(unless (file-exists-p (expand-file-name user-init-file))
+(setq user-init-file
+	    (cond
+	     ((eq system-type 'ms-dos)
+	      (concat "~" init-file-user "/_emacs"))
+	     (t
+	      (concat "~" init-file-user "/.emacs")))))
+(load user-init-file t t t)
+(let ((default-custom-file (concat "~"
+				       init-file-user
+				       user-init-directory
+				       "options.el")))
+(when (string= custom-file default-custom-file)
+	(load default-custom-file t t)))
+(unless inhibit-default-init
+(let ((inhibit-startup-message nil))
+	;; Users are supposed to be told their rights.
+	;; (Plus how to get help and how to undo.)
+	;; Don't you dare turn this off for anyone except yourself.
+	(load "default" t t)))))
+;;; Load user's init file and default ones.
+(defun load-init-file ()
+(run-hooks 'before-init-hook)
+;; Run the site-start library if it exists.  The point of this file is
+;; that it is run before .emacs.  There is no point in doing this after
+;; .emacs; that is useless.
+(when site-start-file
+(load site-start-file t t))
+;; Sites should not disable this.  Only individuals should disable
+;; the startup message.
+(setq inhibit-startup-message nil)
+(let (debug-on-error-from-init-file
+	debug-on-error-should-be-set
+	(debug-on-error-initial
+	 (if (eq init-file-debug t) 'startup init-file-debug)))
+(let ((debug-on-error debug-on-error-initial))
+(if init-file-debug
+	  ;; Do this without a condition-case if the user wants to debug.
+	  (load-user-init-file init-file-user)
+	(condition-case error
+	    (progn
+	      (load-user-init-file init-file-user)
+	      (setq init-file-had-error nil))
+(error
+(message "Error in init file: ")
+(display-error error nil)
+	   (setq init-file-had-error t))))
+;; If we can tell that the init file altered debug-on-error,
+;; arrange to preserve the value that it set up.
+(or (eq debug-on-error debug-on-error-initial)
+	  (setq debug-on-error-should-be-set t
+		debug-on-error-from-init-file debug-on-error)))
+(when debug-on-error-should-be-set
+(setq debug-on-error debug-on-error-from-init-file)))
+(setq init-file-loaded t)
+;; Do this here in case the init file sets mail-host-address.
+;; Don't do this here unless noninteractive, it is frequently wrong. -sb
+;; (or user-mail-address
+(when noninteractive
+(setq user-mail-address (concat (user-login-name) "@"
+				    (or mail-host-address
+					(system-name)))))
+(run-hooks 'after-init-hook)
+nil)
+(defun load-options-file (filename)
+"Load the file of saved options (from the Options menu) called FILENAME.
+Currently this does nothing but call `load', but it might be redefined
+in the future to support automatically converting older options files to
+a new format, when variables have changed, etc."
+(load filename))
+(defun command-line-1 ()
+(cond
+((null command-line-args-left)
+(unless noninteractive
+;; If there are no switches to process, run the term-setup-hook
+;; before displaying the copyright notice; there may be some need
+;; to do it before doing any output.  If we're not going to
+;; display a copyright notice (because other options are present)
+;; then this is run after those options are processed.
+(run-hooks 'term-setup-hook)
+;; Don't let the hook be run twice.
+(setq term-setup-hook nil)
+;; Don't clobber a non-scratch buffer if init file
+;; has selected it.
+(when (string= (buffer-name) "*scratch*")
+	(unless (or inhibit-startup-message
+		    (input-pending-p))
+	  (let ((timeout nil))
+	    (unwind-protect
+		;; Guts of with-timeout
+		(catch 'timeout
+		  (setq timeout (add-timeout startup-message-timeout
+					     (lambda (ignore)
+					       (condition-case nil
+						   (throw 'timeout t)
+						 (error nil)))
+					     nil))
+		  (startup-splash-frame)
+		  (or nil;; (pos-visible-in-window-p (point-min))
+		      (goto-char (point-min)))
+		  (sit-for 0)
+		  (setq unread-command-event (next-command-event)))
+	      (when timeout (disable-timeout timeout)))))
+	(with-current-buffer (get-buffer "*scratch*")
+	  ;; In case the XEmacs server has already selected
+	  ;; another buffer, erase the one our message is in.
+	  (erase-buffer)
+	  (when (stringp initial-scratch-message)
+	    (insert initial-scratch-message))
+	  (set-buffer-modified-p nil)))))
+(t
+;; Command-line-options exist
+(let ((dir command-line-default-directory)
+	  (file-count 0)
+	  (line nil)
+	  (end-of-options nil)
+	  first-file-buffer file-p arg tem)
+(while command-line-args-left
+	(setq arg (pop command-line-args-left))
+	(cond
+	 (end-of-options
+	  (setq file-p t))
+	 ((setq tem (when (eq (aref arg 0) ?-)
+		      (or (assoc arg command-switch-alist)
+			  (assoc (substring arg 1)
+				 command-switch-alist))))
+	  (funcall (cdr tem) arg))
+	 ((string-match "\\`\\+[0-9]+\\'" arg)
+	  (setq line (string-to-int arg)))
+	 ;; "- file" means don't treat "file" as a switch
+	 ;;  ("+0 file" has the same effect; "-" added
+	 ;;   for unixoidiality).
+	 ;; This is worthless; the `unixoid' way is "./file". -jwz
+	 ((or (string= arg "-") (string= arg "--"))
+	  (setq end-of-options t))
+	 (t
+	  (setq file-p t)))
+	(when file-p
+	  (setq file-p nil)
+	  (incf file-count)
+	  (setq arg (expand-file-name arg dir))
+	  (cond
+	   ((= file-count 1) (setq first-file-buffer
+				   (progn (find-file arg) (current-buffer))))
+	   (noninteractive (find-file arg))
+	   (t (find-file-other-window arg)))
+	  (when line
+	    (goto-line line)
+	    (setq line nil))))
+;; If 3 or more files visited, and not all visible,
+;; show user what they all are.
+(when (and (not noninteractive)
+		 (> file-count 2)
+		 (not (get-buffer-window first-file-buffer)))
+	(other-window 1)
+	(buffer-menu nil))))))
+(defvar startup-presentation-hack-keymap
+(let ((map (make-sparse-keymap)))
+(set-keymap-name map 'startup-presentation-hack-keymap)
+(define-key map '[button1] 'startup-presentation-hack)
+(define-key map '[button2] 'startup-presentation-hack)
+map)
+"Putting yesterday in the future tomorrow.")
+(defun startup-presentation-hack ()
+(interactive)
+(let ((e last-command-event))
+(and (button-press-event-p e)
+(setq e (extent-at (event-point e)
+(event-buffer e)
+'startup-presentation-hack))
+(setq e (extent-property e 'startup-presentation-hack))
+(if (consp e)
+(apply (car e) (cdr e))
+	   (while (keymapp (indirect-function e))
+	     (let ((map e)
+		   (overriding-local-map (indirect-function e)))
+	       (setq e (read-key-sequence
+			(let ((p (keymap-prompt map t)))
+			  (cond ((symbolp map)
+				 (if p
+				     (format "%s %s " map p)
+				   (format "%s " map)))
+				(p)
+				(t
+				 (prin1-to-string map))))))
+	       (if (and (button-release-event-p (elt e 0))
+			(null (key-binding e)))
+		   (setq e map)		; try again
+		 (setq e (key-binding e)))))
+	   (call-interactively e)))))
+(defun startup-presentation-hack-help (e)
+(setq e (extent-property e 'startup-presentation-hack))
+(if (consp e)
+(format "Evaluate %S" e)
+(symbol-name e)))
+(defun splash-frame-present-hack (e v)
+;;  (set-extent-property e 'mouse-face 'highlight)
+;;  (set-extent-property e 'keymap
+;;                       startup-presentation-hack-keymap)
+;;  (set-extent-property e 'startup-presentation-hack v)
+;;  (set-extent-property e 'help-echo
+;;                       'startup-presentation-hack-help))
+)
+(defun splash-hack-version-string ()
+(save-excursion
+(save-restriction
+(goto-char (point-min))
+(re-search-forward "^XEmacs" nil t)
+(narrow-to-region (point-at-bol) (point-at-eol))
+(goto-char (point-min))
+(when (re-search-forward " \\[Lucid\\]" nil t)
+	(delete-region (match-beginning 0) (match-end 0)))
+(when (re-search-forward "[^(][^)]*-[^)]*-" nil t)
+	(delete-region (1+ (match-beginning 0)) (match-end 0))
+	(insert "("))
+(goto-char (point-max))
+(search-backward " " nil t)
+(when (search-forward "." nil t)
+	(delete-region (1- (point)) (point-max))))))
+(defun splash-frame-present (l)
+(cond ((stringp l)
+(insert l))
+((eq (car-safe l) 'face)
+;; (face name string)
+(let ((p (point)))
+(splash-frame-present (elt l 2))
+(if (fboundp 'set-extent-face)
+(set-extent-face (make-extent p (point))
+(elt l 1)))))
+((eq (car-safe l) 'key)
+(let* ((c (elt l 1))
+(p (point))
+(k (where-is-internal c nil t)))
+(insert (if k (key-description k)
+		     (format "M-x %s" c)))
+(if (fboundp 'set-extent-face)
+(let ((e (make-extent p (point))))
+(set-extent-face e 'bold)
+(splash-frame-present-hack e c)))))
+((eq (car-safe l) 'funcall)
+;; (funcall (fun . args) string)
+(let ((p (point)))
+(splash-frame-present (elt l 2))
+(if (fboundp 'set-extent-face)
+(splash-frame-present-hack (make-extent p (point))
+					  (elt l 1)))))
+	((consp l)
+	 (mapcar 'splash-frame-present l))
+(t
+(error "WTF!?"))))
+(defun startup-center-spaces (glyph)
+;; Return the number of spaces to insert in order to center
+;; the given glyph (may be a string or a pixmap).
+;; Assume spaces are as wide as avg-pixwidth.
+;; Won't be quite right for proportional fonts, but it's the best we can do.
+;; Maybe the new redisplay will export something a glyph-width function.
+;;; #### Yes, there is a glyph-width function but it isn't quite what
+;;; #### this was expecting.  Or is it?
+;; (An alternate way to get avg-pixwidth would be to use x-font-properties
+;; and calculate RESOLUTION_X * AVERAGE_WIDTH / 722.7, but it's no better.)
+;; This function is used in about.el too.
+(let* ((avg-pixwidth     (round (/ (frame-pixel-width) (frame-width))))
+	 (fill-area-width  (* avg-pixwidth (- fill-column left-margin)))
+	 (glyph-pixwidth   (cond ((stringp glyph)
+				  (* avg-pixwidth (length glyph)))
+				 ;; #### the pixmap option should be removed
+				 ;;((pixmapp glyph)
+				 ;; (pixmap-width glyph))
+				 ((glyphp glyph)
+				  (glyph-width glyph))
+				 (t
+				  (error "startup-center-spaces: bad arg")))))
+(+ left-margin
+(round (/ (/ (- fill-area-width glyph-pixwidth) 2) avg-pixwidth)))))
+(defun startup-splash-frame-body ()
+`("\n" ,(emacs-version) "\n"
+,@(if (string-match "beta" emacs-version)
+	  `( (face (bold blue) ( "This is an Experimental version of XEmacs. "
+				 " Type " (key describe-beta)
+				 " to see what this means.\n")))
+	`( "\n"))
+(face bold-italic "\
+Copyright (C) 1985-1997 Free Software Foundation, Inc.
+Copyright (C) 1990-1994 Lucid, Inc.
+Copyright (C) 1993-1997 Sun Microsystems, Inc. All Rights Reserved.
+Copyright (C) 1994-1996 Board of Trustees, University of Illinois
+Copyright (C) 1995-1996 Ben Wing\n\n")
+,@(if (featurep 'sparcworks)
+`( "\
+Sun provides support for the WorkShop/XEmacs integration package only.
+All other XEmacs packages are provided to you \"AS IS\".
+For full details, type " (key describe-no-warranty)
+" to refer to the GPL Version 2, dated June 1991.\n\n"
+,@(let ((lang (or (getenv "LC_ALL") (getenv "LC_MESSAGES") (getenv "LANG"))))
+(if (and
+(not (featurep 'mule))         ; Already got mule?
+(not (eq 'tty (console-type))) ; No Mule support on tty's yet
+lang                           ; Non-English locale?
+(not (string= lang "C"))
+(not (string-match "^en" lang))
+(locate-file "xemacs-mule" exec-path)) ; Comes with Sun WorkShop
+'( "\
+This version of XEmacs has been built with support for Latin-1 languages only.
+To handle other languages you need to run a Multi-lingual (`Mule') version of
+XEmacs, by either running the command `xemacs-mule', or by using the X resource
+`ESERVE*defaultXEmacsPath: xemacs-mule' when starting XEmacs from Sun WorkShop.\n\n"))))
+'("XEmacs comes with ABSOLUTELY NO WARRANTY; type "
+(key describe-no-warranty) " for full details.\n"))
+"You may give out copies of XEmacs; type "
+(key describe-copying) " to see the conditions.\n"
+"Type " (key describe-distribution)
+" for information on getting the latest version.\n\n"
+"Type " (key help-command) " or use the " (face bold "Help") " menu to get help.\n"
+"Type " (key advertised-undo) " to undo changes  (`C-' means use the Control key).\n"
+"To get out of XEmacs, type " (key save-buffers-kill-emacs) ".\n"
+"Type " (key help-with-tutorial) " for a tutorial on using XEmacs.\n"
+"Type " (key info) " to enter Info, "
+"which you can use to read online documentation.\n"
+(face (bold red) ( "\
+For tips and answers to frequently asked questions, see the XEmacs FAQ.
+\(It's on the Help menu, or type " (key xemacs-local-faq) " [a capital F!].\)"))))
+(defun startup-splash-frame ()
+(let ((p (point))
+(cramped-p (eq 'tty (console-type))))
+(unless cramped-p (insert "\n"))
+(indent-to (startup-center-spaces xemacs-logo))
+(set-extent-begin-glyph (make-extent (point) (point)) xemacs-logo)
+(insert (if cramped-p "\n" "\n\n"))
+(splash-frame-present-hack (make-extent p (point)) 'about-xemacs))
+(let ((after-change-functions nil))	; no font-lock, thank you
+(dolist (l (startup-splash-frame-body))
+(splash-frame-present l)))
+(splash-hack-version-string)
+(set-buffer-modified-p nil))
+;;  (let ((present-file
+;;         #'(lambda (f)
+;;             (splash-frame-present
+;;	      (list 'funcall
+;;		    (list 'find-file-other-window
+;;			  (expand-file-name f data-directory))
+;;		    f)))))
+;;    (insert "For customization examples, see the files ")
+;;    (funcall present-file "sample.emacs")
+;;    (insert " and ")
+;;    (funcall present-file "sample.Xdefaults")
+;;    (insert (format "\nin the directory %s." data-directory)))
+;;;; Computing the default load-path, etc.
+;;;
+;;; This stuff is a complete mess and isn't nearly as general as it
+;;; thinks it is.  It should be rethunk.  In particular, too much logic
+;;; is duplicated between the code that looks around for the various
+;;; directories, and the code which suggests where to create the various
+;;; directories once it decides they are missing.
+;;; The source directory has this layout:
+;;;
+;;;    BUILD_ROOT/src/xemacs*			  argv[0]
+;;;    BUILD_ROOT/xemacs*			  argv[0], possibly
+;;;    BUILD_ROOT/lisp/
+;;;    BUILD_ROOT/etc/				  data-directory
+;;;    BUILD_ROOT/info/
+;;;    BUILD_ROOT/lib-src/			  exec-directory, doc-directory
+;;;    BUILD_ROOT/lock/
+;;;
+;;; The default tree created by "make install" has this layout:
+;;;
+;;;    PREFIX/bin/xemacs*	  		argv[0]
+;;;    PREFIX/lib/xemacs-VERSION/lisp/
+;;;    PREFIX/lib/xemacs-VERSION/etc/		  data-directory
+;;;    PREFIX/lib/xemacs-VERSION/info/
+;;;    PREFIX/lib/xemacs-VERSION/CONFIGURATION/	  exec-directory, doc-directory
+;;;    PREFIX/lib/xemacs/lock/
+;;;    PREFIX/lib/xemacs/site-lisp/
+;;;
+;;; The binary packages we ship have that layout, except that argv[0] has
+;;; been moved one level deeper under the bin directory:
+;;;
+;;;    PREFIX/bin/CONFIGURATION/xemacs*
+;;;
+;;; The following code has to deal with at least the above three situations,
+;;; and it should be possible for it to deal with more.  Though perhaps that
+;;; does cover it all?  The trick is, when something is missing, realizing
+;;; which of those three layouts is mostly in place, so that we can suggest
+;;; the right directories in the error message.
+;; extremely low-tech debugging, since this happens so early in startup.
+;;(or (fboundp 'orig-file-directory-p)
+;;    (fset 'orig-file-directory-p (symbol-function 'file-directory-p)))
+;;(defun file-directory-p (path)
+;;  (send-string-to-terminal (format "PROBING %S" path))
+;;  (let ((v (orig-file-directory-p path)))
+;;    (send-string-to-terminal (format " -> %S\n" v))
+;;    v))
+(defun startup-make-version-dir ()
+(let ((version (and (string-match "\\`[^0-9]*\\([0-9]+\\.[0-9]+\\)"
+				    emacs-version)
+		      (substring emacs-version
+				 (match-beginning 1) (match-end 1)))))
+(if (string-match "(beta *\\([0-9]+\\))" emacs-version)
+	(setq version (concat version "-b"
+			      (substring emacs-version (match-beginning 1)
+					 (match-end 1)))))
+(if (string-match "(alpha *\\([0-9]+\\))" emacs-version)
+	(setq version (concat version "-a"
+			      (substring emacs-version (match-beginning 1)
+					 (match-end 1)))))
+(concat "lib/xemacs-" version)))
+(defun find-emacs-root-internal-1 (path lisp-p)
+;; (prin1 (format "f-e-r-i-1:  %s\n" path))
+(let ((dir (file-name-directory path)))
+(or
+;;
+;; If this directory is a plausible root of the XEmacs tree, return it.
+;;
+(and (or (not lisp-p)
+	      (file-directory-p (expand-file-name "lisp/prim" dir)))
+	  (or (file-directory-p (expand-file-name "lib-src" dir))
+	      (file-directory-p (expand-file-name system-configuration dir)))
+	  dir)
+;;
+;; If the parent of this directory is a plausible root, use it.
+;; (But don't do so recursively!)
+;;
+(and (or (not lisp-p)
+	      (file-directory-p (expand-file-name "../lisp/prim" dir)))
+	  (or (file-directory-p (expand-file-name
+				 (format "../%s" system-configuration)
+				 dir))
+	      (file-directory-p (expand-file-name "../lib-src" dir)))
+	  (expand-file-name "../" dir))
+;;
+;; (--run-in-place) Same thing, but from one directory level deeper.
+;;
+(and (or (not lisp-p)
+	      (file-directory-p (expand-file-name "../../lisp/prim" dir)))
+	  (or (file-directory-p (expand-file-name
+				 (format "../%s" system-configuration)
+				 dir))
+	      (file-directory-p
+	       (expand-file-name
+		(format "../../lib-src/%s" system-configuration) dir)))
+	  (expand-file-name "../.." dir))
+;; If ../lib/xemacs-<version> exists check it.
+;; This is of the form "xemacs-19.10/" or "xemacs-19.10-b7/".
+;;
+(let ((ver-dir (concat "../" (startup-make-version-dir))))
+(and (or (not lisp-p)
+		(file-directory-p (expand-file-name
+				   (format "%s/lisp/prim" ver-dir)
+				   dir)))
+	    (or (file-directory-p (expand-file-name
+				   (format "%s/%s" ver-dir
+					   system-configuration)
+				   dir))
+		(file-directory-p (expand-file-name
+				   (format "%s/lib-src" ver-dir)
+				   dir)))
+	    (expand-file-name (file-name-as-directory ver-dir) dir)))
+;;
+;; Same thing, but one higher: ../../lib/xemacs-<version>.
+;;
+(let ((ver-dir (concat "../../" (startup-make-version-dir))))
+(and (or (not lisp-p)
+		(file-directory-p (expand-file-name
+				   (format "%s/lisp/prim" ver-dir)
+				   dir)))
+	    (or (file-directory-p (expand-file-name
+				   (format "%s/%s" ver-dir
+					   system-configuration)
+				   dir))
+		(file-directory-p (expand-file-name
+				   (format "%s/lib-src" ver-dir)
+				   dir)))
+	    (expand-file-name (file-name-as-directory ver-dir) dir)))
+;;
+;; If that doesn't work, and the XEmacs executable is a symlink, then
+;; chase the link and try again there.
+;;
+(and (setq path (file-symlink-p path))
+	  (find-emacs-root-internal-1 (expand-file-name path dir) lisp-p))
+;;
+;; Otherwise, this directory just doesn't cut it.
+;; Some bozos think they can use the 18.59 lisp directory with 19.*.
+;; This is because they're not using their brains.  But it might be
+;; nice to notice that that is happening and point them in the
+;; general direction of a clue.
+;;
+nil)))
+(defun find-emacs-root-internal (path)
+;;  (send-string-to-terminal (format "FINDING ROOT FOR %S\n" path))
+;; first look for lisp/prim and lib-src; then just look for lib-src.
+;; XEmacs can run (kind of) if the lisp directory is omitted, which
+;; some people might want to do for space reasons.
+(or (find-emacs-root-internal-1 path t)
+;; (find-emacs-root-internal-1 path nil)
+;; If we don't succeed we are going to crash and burn for sure.
+;; Try some paths relative to prefix-directory if it isn't nil.
+;; This is definitely necessary in cases such as when we're used
+;; as a login shell since we can't determine the invocation
+;; directory in that case.
+(find-emacs-root-internal-1
+(format "%s/bin/%s" prefix-directory invocation-name) t)
+(find-emacs-root-internal-1
+(format "%s/bin/%s" prefix-directory invocation-name) nil)
+(find-emacs-root-internal-1
+(format "%s/lib/%s" prefix-directory invocation-name) t)
+(find-emacs-root-internal-1
+(format "%s/lib/%s" prefix-directory invocation-name) nil)
+;; We're desperate -- try the prefix-directory correctly.
+(find-emacs-root-internal-1
+(format "%s/%s/foo" prefix-directory (startup-make-version-dir)) t)
+(find-emacs-root-internal-1
+(format "%s/%s/foo" prefix-directory (startup-make-version-dir)) nil)
+))
+(defun set-default-load-path ()
+;; XEmacs -- Steven Baur says invocation directory is nil if you
+;; try to use XEmacs as a login shell.
+(or invocation-directory (setq invocation-directory default-directory))
+(setq invocation-directory
+	;; don't let /tmp_mnt/... get into the load-path or exec-path.
+	(abbreviate-file-name invocation-directory))
+;; #### FSFmacs recognizes environment vars EMACSLOCKDIR, etc.
+(let* ((root (find-emacs-root-internal (concat invocation-directory
+						 invocation-name)))
+	 (lisp (and root
+		    (let ((f (expand-file-name "lisp" root)))
+		      (and (file-directory-p f) f))))
+	 (site-lisp
+	  (and root
+	       (or
+		(let ((f (expand-file-name "xemacs/site-lisp" root)))
+		  (and (file-directory-p f) f))
+		(let ((f (expand-file-name "../xemacs/site-lisp" root)))
+		  (and (file-directory-p f) f))
+		;; the next two are for --run-in-place
+		(let ((f (expand-file-name "site-lisp" root)))
+		  (and (file-directory-p f) f))
+		(let ((f (expand-file-name "lisp/site-lisp" root)))
+		  (and (file-directory-p f) f))
+		)))
+	 (lib-src
+	  (and root
+	       (or
+		(let ((f (expand-file-name
+			  (concat "lib-src/" system-configuration)
+			  root)))
+		  (and (file-directory-p f) f))
+		(let ((f (expand-file-name "lib-src" root)))
+		  (and (file-directory-p f) f))
+		(let ((f (expand-file-name system-configuration root)))
+		  (and (file-directory-p f) f)))))
+	 (etc
+	  (and root
+	       (let ((f (expand-file-name "etc" root)))
+		 (and (file-directory-p f) f))))
+	 (info
+	  (and root
+	       (let ((f (expand-file-name "info" root)))
+		 (and (file-directory-p f) (file-name-as-directory f)))))
+	 (packages
+	  (and root
+	       (let ((f (expand-file-name "packages" root)))
+		 (and (file-directory-p f) (file-name-as-directory f)))))
+	 (lock
+	  (and root
+	       (boundp 'lock-directory)
+	       (if (and lock-directory (file-directory-p lock-directory))
+		   (file-name-as-directory lock-directory)
+		 (or
+		  (let ((f (expand-file-name "xemacs/lock" root)))
+		    (and (file-directory-p f)
+			 (file-name-as-directory f)))
+		  (let ((f (expand-file-name "../xemacs/lock" root)))
+		    (and (file-directory-p f)
+			 (file-name-as-directory f)))
+		  (let ((f (expand-file-name "lock" root)))
+		    (and (file-directory-p f)
+			 (file-name-as-directory f)))
+		  ;; if none of them exist, make the "guess" be
+		  ;; the one that set-default-load-path-warning
+		  ;; will suggest.
+		  (file-name-as-directory
+		   (expand-file-name "../xemacs/lock" root))
+		  )))))
+;; 1996/12/6 by MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;	define `default-load-path' for file-detect.el
+(setq default-load-path load-path)
+;; add site-lisp dir to load-path
+(when site-lisp
+;; If the site-lisp dir isn't on the load-path, add it to the end.
+(or (member site-lisp load-path)
+	  (setq load-path (append load-path (list site-lisp))))
+;; Also add any direct subdirectories of the site-lisp directory
+;; to the load-path.  But don't add dirs whose names begin
+;; with dot or hyphen.
+(let ((files (directory-files site-lisp nil "^[^-.]" nil 'dirs-only))
+	    file)
+	(while files
+	  (setq file (car files))
+	  (if (and (not (member file '("RCS" "CVS" "SCCS")))
+		   (setq file (expand-file-name file site-lisp))
+		   (not (member file load-path)))
+	      (setq load-path
+		    (nconc load-path
+			   (list (file-name-as-directory file)))))
+	  (setq files (cdr files)))))
+;; add lisp dir to load-path
+(when lisp
+;; If the lisp dir isn't on the load-path, add it to the end.
+(or (member lisp load-path)
+	  (setq load-path (append load-path (list lisp))))
+;; Also add any direct subdirectories of the lisp directory
+;; to the load-path.  But don't add dirs whose names begin
+;; with dot or hyphen.
+(let ((files (directory-files lisp nil "^[^-.]" nil 'dirs-only))
+	    file)
+	(while files
+	  (setq file (car files))
+	  (when (and (not (member file '("RCS" "CVS" "SCCS")))
+		     (setq file (expand-file-name file lisp))
+		     (not (member file load-path)))
+	    (setq load-path
+		  (nconc load-path
+			 (list (file-name-as-directory file)))))
+	  (setq files (cdr files)))))
+;; 1996/12/6 by MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;;	define `default-load-path' for file-detect.el
+(setq default-load-path
+	  (append default-load-path
+		  (if site-lisp
+		      (list site-lisp))
+		  (if lisp
+		      (list lisp)
+		    )
+		  ))
+;; 1997/03/06 by Jeff Miller <jmiller@bayserve.net>
+;; initialize 'site-directory'.  This is the site-lisp dir used by
+;; XEmacs
+(if site-lisp
+	(setq site-directory (file-name-as-directory site-lisp))
+)
+;; If running from the build directory, always prefer the exec-directory
+;; that is here over to the one that came from paths.h.
+(when (or (and (null exec-directory) lib-src)
+	      (and (string= lib-src (expand-file-name "lib-src" root))
+		   (not (string= exec-directory lib-src))))
+(setq exec-directory (file-name-as-directory lib-src)))
+(when (or (and (null doc-directory) lib-src)
+	      (and (string= lib-src (expand-file-name "lib-src" root))
+		   (not (string= doc-directory lib-src))))
+(setq doc-directory (file-name-as-directory lib-src)))
+(when exec-directory
+(or (member exec-directory exec-path)
+	  (setq exec-path (append exec-path (list exec-directory)))))
+(when (or (and (null data-directory) etc)
+	      (and (string= etc (expand-file-name "etc" root))
+		   (not (string= data-directory etc))))
+(setq data-directory (file-name-as-directory etc)))
+;; If `configure' specified an info dir, use it.
+;; #### The above comment is suspect.
+(or (boundp 'Info-default-directory-list)
+	(setq Info-default-directory-list nil))
+;; Add additional system directories.
+(setq Info-default-directory-list
+	  (append Info-default-directory-list
+		  (split-string infopath-internal ":")))
+(let ((infopath (getenv "INFOPATH")))
+(when infopath
+	(setq Info-default-directory-list
+	      (append Info-default-directory-list
+		      (split-string infopath ":")))))
+(cond (configure-info-directory
+	   (setq configure-info-directory (file-name-as-directory
+					   configure-info-directory))
+	   (or (member configure-info-directory Info-default-directory-list)
+	       (setq Info-default-directory-list
+		     (append (list configure-info-directory)
+			     Info-default-directory-list)))))
+;; If we've guessed the info dir, use that (too).
+(when (and info (not (member info Info-default-directory-list)))
+(setq Info-default-directory-list
+	    (append (list info) Info-default-directory-list)))
+;; Default the lock dir to being a sibling of the data-directory.
+;; If superlock isn't set, or is set to a file in a nonexistent
+;; directory, derive it from the lock dir.
+(when (boundp 'lock-directory)
+(setq lock-directory lock)
+(cond ((null lock-directory)
+	     (setq superlock-file nil))
+	    ((or (null superlock-file)
+		 (not (file-directory-p
+		       (file-name-directory superlock-file))))
+	     (setq superlock-file
+		   (expand-file-name "!!!SuperLock!!!"
+				     lock-directory)))))
+(set-default-load-path-warning)
+(when (and data-directory Info-default-directory-list)
+(setq data-directory-list (list data-directory))
+(packages-find-packages package-path nil))))
+(defun set-default-load-path-warning ()
+(let ((lock (if (boundp 'lock-directory) lock-directory 't))
+	warnings message guess)
+(when (and (stringp lock) (not (file-directory-p lock)))
+(setq lock nil))
+(cond
+((not (and exec-directory data-directory doc-directory load-path lock))
+(save-excursion
+	(set-buffer (get-buffer-create " *warning-tmp*"))
+	(erase-buffer)
+	(buffer-disable-undo (current-buffer))
+	(when (null lock)           (push "lock-directory" warnings))
+	(when (null exec-directory) (push "exec-directory" warnings))
+	(when (null data-directory) (push "data-directory" warnings))
+	(when (null doc-directory)  (push "doc-directory"  warnings))
+	(when (null load-path)      (push "load-path"      warnings))
+	(cond ((cdr (cdr warnings))
+	       (setq message (apply 'format "%s, %s, and %s" warnings)))
+	      ((cdr warnings)
+	       (setq message (apply 'format "%s and %s" warnings)))
+	      (t (setq message (format "variable %s" (car warnings)))))
+	(insert "couldn't find an obvious default for " message
+		", and there were no defaults specified in paths.h when "
+		"XEmacs was built.  Perhaps some directories don't exist, "
+		"or the XEmacs executable, " (concat invocation-directory
+						     invocation-name)
+		" is in a strange place?")
+	(setq guess (or exec-directory
+			data-directory
+			doc-directory
+			(car load-path)
+			(and (string-match "/[^/]+\\'" invocation-directory)
+			     (substring invocation-directory 0
+					(match-beginning 0)))))
+	(when (and guess
+		   (or
+		    ;; parent of a terminal bin/<configuration> pair (hack hack).
+		    (string-match (concat "/bin/"
+					  (regexp-quote system-configuration)
+					  "/?\\'")
+				  guess)
+		    ;; parent of terminal src, lib-src, etc, or lisp dir.
+		    (string-match
+		     "/\\(bin\\|src\\|lib-src\\|etc\\|lisp\\)[^/]*/?\\'"
+		     guess)))
+	  (setq guess (substring guess 0 (match-beginning 0))))
+	;; If neither the exec nor lisp dirs are around, then "guess" that
+	;; the new configure-style lib dir should be used.  Otherwise, if
+	;; only one of them appears to be missing, or it's just lock,
+	;; then guess it to be a sibling of whatever already exists.
+	(when (and (null exec-directory) (null load-path))
+	  (setq guess (expand-file-name (startup-make-version-dir) guess)))
+	(when (or (null exec-directory) (null load-path))
+	  (insert
+	   "\n\nWithout both exec-directory and load-path, XEmacs will "
+	   "be very broken.  "))
+	(when (and (null exec-directory) guess)
+	  (insert
+	   "Consider making a symbolic link from "
+	   (expand-file-name system-configuration guess)
+	   " to wherever the appropriate XEmacs exec-directory "
+	   "directory is"))
+	(when (and (null data-directory) guess)
+	  (insert
+	   (if exec-directory
+	       "\n\nConsider making a symbolic link " ", and ")
+	   "from "
+	   (expand-file-name "etc" (if load-path
+				       (file-name-directory
+					(directory-file-name
+					 (car load-path)))
+				     guess))
+	   " to wherever the appropriate XEmacs data-directory is"))
+	(when (and (null load-path) guess)
+	  (insert
+	   (if (and exec-directory data-directory)
+	       "Consider making a symbolic link "
+	     ", and ")
+	   "from "
+	   (expand-file-name "lisp" guess)
+	   " to wherever the appropriate XEmacs lisp library is"))
+	(insert ".")
+	(when (null lock)
+	  (insert
+	   "\n\nWithout lock-directory set, file locking won't work.  ")
+	  (when guess
+	    (insert
+	     "Consider creating "
+	     (expand-file-name "../xemacs/lock"
+			       (or (find-emacs-root-internal
+				    (concat invocation-directory
+					    invocation-name))
+				   guess))
+	     " as a directory or symbolic link for use as the lock "
+	     "directory.  (This directory must be globally writable.)"
+	     )))
+	(when (fboundp 'fill-region)
+	  ;; Might not be bound in the cold load environment...
+	  (let ((fill-column 76))
+	    (fill-region (point-min) (point-max))))
+	(goto-char (point-min))
+	(princ "\nWARNING:\n" 'external-debugging-output)
+	(princ (buffer-string) 'external-debugging-output)
+	(erase-buffer)
+	t)))))
+;;; startup.el ends here

Mercurial > hg > xemacs-beta

comparison lisp/startup.el @ 209:41ff10fd062f r20-4b3