loadup.el 13.2 KB
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;;; loadup.el --- load up standardly loaded Lisp files for Emacs
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;; Copyright (C) 1985, 1986, 1992, 1994, 2001, 2002, 2003, 2004, 2005,
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;;   2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: internal
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;; Package: emacs
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;; This file is part of GNU Emacs.

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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
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;; GNU Emacs 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
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;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:

;; This is loaded into a bare Emacs to make a dumpable one.

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;; If you add/remove Lisp files to be loaded here, consider the
;; following issues:

;; i) Any file loaded on all platforms should appear in $lisp
;; and $shortlisp in src/Makefile.in.  Use the .el or .elc version as
;; appropriate.

;; ii) Any file that is only loaded on some platforms should appear
;; in the version of $lisp in the generated Makefile on that platform.
;; At the present time, this is achieved by use of #ifdefs.
;; It should also appear in $SOME_MACHINE_LISP on all platforms.

;; The above steps ensure both that the Lisp files are compiled (if
;; necessary) before the emacs executable is dumped, and that they are
;; passed to make-docfile.  (Any that are not processed for DOC will
;; not have doc strings in the dumped Emacs.)  Because of this:

;; iii) If the file is loaded uncompiled, it should (where possible)
;; obey the doc-string conventions expected by make-docfile.

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;;; Code:

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;; Add subdirectories to the load-path for files that might get
;; autoloaded when bootstrapping.
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(if (or (equal (nth 3 command-line-args) "bootstrap")
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	(equal (nth 4 command-line-args) "bootstrap")
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	(equal (nth 3 command-line-args) "unidata-gen.el")
	(equal (nth 4 command-line-args) "unidata-gen-files")
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	;; In case CANNOT_DUMP.
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	(string-match "src/bootstrap-emacs" (nth 0 command-line-args)))
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    (let ((dir (car load-path)))
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      ;; We'll probably overflow the pure space.
      (setq purify-flag nil)
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      (setq load-path (list dir
			    (expand-file-name "emacs-lisp" dir)
			    (expand-file-name "language" dir)
			    (expand-file-name "international" dir)
			    (expand-file-name "textmodes" dir)))))
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(if (eq t purify-flag)
    ;; Hash consing saved around 11% of pure space in my tests.
    (setq purify-flag (make-hash-table :test 'equal)))

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(message "Using load-path %s" load-path)

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(if (or (member (nth 3 command-line-args) '("dump" "bootstrap"))
	(member (nth 4 command-line-args) '("dump" "bootstrap")))
    ;; To reduce the size of dumped Emacs, we avoid making huge
    ;; char-tables.
    (setq inhibit-load-charset-map t))

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;; We don't want to have any undo records in the dumped Emacs.
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(set-buffer "*scratch*")
(setq buffer-undo-list t)
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(load "emacs-lisp/byte-run")
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(load "emacs-lisp/backquote")
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(load "subr")
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;; Do it after subr, since both after-load-functions and add-hook are
;; implemented in subr.el.
(add-hook 'after-load-functions '(lambda (f) (garbage-collect)))

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;; We specify .el in case someone compiled version.el by mistake.
(load "version.el")

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(load "widget")
(load "custom")
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(load "emacs-lisp/map-ynp")
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(load "cus-start")
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(load "international/mule")
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(load "international/mule-conf")
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(load "env")
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(load "format")
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(load "bindings")
(setq load-source-file-function 'load-with-code-conversion)
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(load "files")
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(load "cus-face")
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(load "faces")  ; after here, `defface' may be used.
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(load "minibuffer")
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(load "button")
(load "startup")

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(condition-case nil
    ;; Don't get confused if someone compiled this by mistake.
    (load "loaddefs.el")
  ;; In case loaddefs hasn't been generated yet.
  (file-error (load "ldefs-boot.el")))

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(load "abbrev")         ;lisp-mode.el and simple.el use define-abbrev-table.
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(load "simple")
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(load "help")
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(load "jka-cmpr-hook")
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(load "epa-hook")
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;; Any Emacs Lisp source file (*.el) loaded here after can contain
;; multilingual text.
(load "international/mule-cmds")
(load "case-table")
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(load "international/characters")
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(load "composite")
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;; This file doesn't exist when building a development version of Emacs
;; from the repository.  It is generated just after temacs is built.
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(load "international/charprop.el" t)
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;; Load language-specific files.
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(load "language/chinese")
(load "language/cyrillic")
(load "language/indian")
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(load "language/sinhala")
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(load "language/english")
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(load "language/ethiopic")
(load "language/european")
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(load "language/czech")
(load "language/slovak")
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(load "language/romanian")
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(load "language/greek")
(load "language/hebrew")
(load "language/japanese")
(load "language/korean")
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(load "language/lao")
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(load "language/tai-viet")
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(load "language/thai")
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(load "language/tibetan")
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(load "language/vietnamese")
(load "language/misc-lang")
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(load "language/utf-8-lang")
(load "language/georgian")
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(load "language/khmer")
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(load "language/burmese")
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(load "language/cham")
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(load "indent")
(load "window")
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(load "frame")
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(load "term/tty-colors")
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(load "font-core")
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;; facemenu must be loaded before font-lock, because `facemenu-keymap'
;; needs to be defined when font-lock is loaded.
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(load "facemenu")
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(load "emacs-lisp/syntax")
(load "font-lock")
(load "jit-lock")
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(if (fboundp 'track-mouse)
    (progn
      (load "mouse")
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      (and (boundp 'x-toolkit-scroll-bars)
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	   (load "scroll-bar"))
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      (load "select")))
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(load "emacs-lisp/timer")
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(load "isearch")
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(load "rfn-eshadow")
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(load "menu-bar")
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(load "paths.el")  ;Don't get confused if someone compiled paths by mistake.
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(load "emacs-lisp/lisp")
(load "textmodes/page")
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(load "register")
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(load "textmodes/paragraphs")
(load "emacs-lisp/lisp-mode")
(load "textmodes/text-mode")
(load "textmodes/fill")
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(load "replace")
(load "buff-menu")
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(if (fboundp 'x-create-frame)
    (progn
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      (load "fringe")
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      (load "image")
      (load "international/fontset")
      (load "dnd")
      (load "tool-bar")))
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(if (featurep 'dynamic-setting)
    (load "dynamic-setting"))
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(if (featurep 'x)
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    (progn
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      (load "x-dnd")
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      (load "term/common-win")
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      (load "term/x-win")))
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(if (eq system-type 'windows-nt)
    (progn
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      (load "w32-vars")
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      (load "term/common-win")
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      (load "term/w32-win")
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      (load "ls-lisp")
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      (load "disp-table")
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      (load "dos-w32")
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      (load "w32-fns")))
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(if (eq system-type 'ms-dos)
    (progn
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      (load "dos-w32")
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      (load "dos-fns")
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      (load "dos-vars")
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      ;; Don't load term/common-win: it isn't appropriate for the `pc'
      ;; ``window system'', which generally behaves like a terminal.
      (load "term/pc-win")
      (load "ls-lisp")
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      (load "disp-table"))) ; needed to setup ibm-pc char set, see internal.el
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(if (featurep 'ns)
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    (progn
      (load "term/common-win")
      (load "term/ns-win")))
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(if (fboundp 'x-create-frame)
    ;; Do it after loading term/foo-win.el since the value of the
    ;; mouse-wheel-*-event vars depends on those files being loaded or not.
    (load "mwheel"))
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;; Preload some constants and floating point functions.
(load "emacs-lisp/float-sup")
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(load "vc/vc-hooks")
(load "vc/ediff-hook")
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(if (fboundp 'x-show-tip) (load "tooltip"))
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;If you want additional libraries to be preloaded and their
;doc strings kept in the DOC file rather than in core,
;you may load them with a "site-load.el" file.
;But you must also cause them to be scanned when the DOC file
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;is generated.
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;For other systems, you must edit ../src/Makefile.in.
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(load "site-load" t)
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;; Determine which last version number to use
;; based on the executables that now exist.
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(if (and (or (equal (nth 3 command-line-args) "dump")
	     (equal (nth 4 command-line-args) "dump"))
	 (not (eq system-type 'ms-dos)))
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    (let* ((base (concat "emacs-" emacs-version "."))
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	   (files (file-name-all-completions base default-directory))
	   (versions (mapcar (function (lambda (name)
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					 (string-to-int (substring name (length base)))))
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			     files)))
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      ;; `emacs-version' is a constant, so we shouldn't change it with `setq'.
      (defconst emacs-version
	(format "%s.%d"
		emacs-version (if versions (1+ (apply 'max versions)) 1)))))
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(message "Finding pointers to doc strings...")
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(if (or (equal (nth 3 command-line-args) "dump")
	(equal (nth 4 command-line-args) "dump"))
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    (let ((name emacs-version))
      (while (string-match "[^-+_.a-zA-Z0-9]+" name)
	(setq name (concat (downcase (substring name 0 (match-beginning 0)))
			   "-"
			   (substring name (match-end 0)))))
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      (if (memq system-type '(ms-dos windows-nt))
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	  (setq name (expand-file-name
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		      (if (fboundp 'x-create-frame) "DOC-X" "DOC") "../etc"))
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	(setq name (concat (expand-file-name "../etc/DOC-") name))
	(if (file-exists-p name)
	    (delete-file name))
	(copy-file (expand-file-name "../etc/DOC") name t))
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      (Snarf-documentation (file-name-nondirectory name)))
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    (condition-case nil
	(Snarf-documentation "DOC")
      (error nil)))
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(message "Finding pointers to doc strings...done")

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;;;Note: You can cause additional libraries to be preloaded
;;;by writing a site-init.el that loads them.
;;;See also "site-load" above.
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(load "site-init" t)
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(setq current-load-list nil)
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;; Write the value of load-history into fns-VERSION.el,
;; then clear out load-history.
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;; (if (or (equal (nth 3 command-line-args) "dump")
;; 	(equal (nth 4 command-line-args) "dump"))
;;     (let ((buffer-undo-list t))
;;       (princ "(setq load-history\n" (current-buffer))
;;       (princ "      (nconc load-history\n" (current-buffer))
;;       (princ "             '(" (current-buffer))
;;       (let ((tem load-history))
;; 	(while tem
;; 	  (prin1 (car tem) (current-buffer))
;; 	  (terpri (current-buffer))
;; 	  (if (cdr tem)
;; 	      (princ "               " (current-buffer)))
;; 	  (setq tem (cdr tem))))
;;       (princ ")))\n" (current-buffer))
;;       (write-region (point-min) (point-max)
;; 		    (expand-file-name
;; 		     (cond
;; 		      ((eq system-type 'ms-dos)
;; 		       "../lib-src/fns.el")
;; 		      ((eq system-type 'windows-nt)
;; 		       (format "../../../lib-src/fns-%s.el" emacs-version))
;; 		      (t
;; 		       (format "../lib-src/fns-%s.el" emacs-version)))
;; 		     invocation-directory))
;;       (erase-buffer)
;;       (setq load-history nil))
;;   (setq symbol-file-load-history-loaded t))
;; We don't use this fns-*.el file.  Instead we keep the data in PURE space.
;; Make sure that the spine of the list is not in pure space because it can
;; be destructively mutated in lread.c:build_load_history.
(setq load-history (mapcar 'purecopy load-history))
(setq symbol-file-load-history-loaded t)

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(set-buffer-modified-p nil)
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;; reset the load-path.  See lread.c:init_lread why.
(if (or (equal (nth 3 command-line-args) "bootstrap")
	(equal (nth 4 command-line-args) "bootstrap"))
    (setcdr load-path nil))

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(remove-hook 'after-load-functions '(lambda (f) (garbage-collect)))

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(setq inhibit-load-charset-map nil)
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(clear-charset-maps)
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(garbage-collect)

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;; At this point, we're ready to resume undo recording for scratch.
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(buffer-enable-undo "*scratch*")

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;; Avoid error if user loads some more libraries now and make sure the
;; hash-consing hash table is GC'd.
(setq purify-flag nil)

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(if (null (garbage-collect))
    (setq pure-space-overflow t))

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(if (or (member (nth 3 command-line-args) '("dump" "bootstrap"))
	(member (nth 4 command-line-args) '("dump" "bootstrap")))
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    (progn
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      (if (memq system-type '(ms-dos windows-nt cygwin))
          (message "Dumping under the name emacs")
        (message "Dumping under the name emacs"))
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      (condition-case ()
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	  (delete-file "emacs")
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	(file-error nil))
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      ;; We used to dump under the name xemacs, but that occasionally
      ;; confused people installing Emacs (they'd install the file
      ;; under the name `xemacs'), and it's inconsistent with every
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      ;; other GNU program's build process.
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      (dump-emacs "emacs" "temacs")
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      (message "%d pure bytes used" pure-bytes-used)
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      ;; Recompute NAME now, so that it isn't set when we dump.
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      (if (not (or (memq system-type '(ms-dos windows-nt cygwin))
                   ;; Don't bother adding another name if we're just
                   ;; building bootstrap-emacs.
                   (equal (nth 3 command-line-args) "bootstrap")
                   (equal (nth 4 command-line-args) "bootstrap")))
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	  (let ((name (concat "emacs-" emacs-version)))
	    (while (string-match "[^-+_.a-zA-Z0-9]+" name)
	      (setq name (concat (downcase (substring name 0 (match-beginning 0)))
				 "-"
				 (substring name (match-end 0)))))
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            (message "Adding name %s" name)
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	    (add-name-to-file "emacs" name t)))
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      (kill-emacs)))

;; For machines with CANNOT_DUMP defined in config.h,
;; this file must be loaded each time Emacs is run.
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;; So run the startup code now.  First, remove `-l loadup' from args.
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(if (and (equal (nth 1 command-line-args) "-l")
	 (equal (nth 2 command-line-args) "loadup"))
    (setcdr command-line-args (nthcdr 3 command-line-args)))

(eval top-level)
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399

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;; Local Variables:
;; no-byte-compile: t
;; no-update-autoloads: t
;; End:
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;;; loadup.el ends here