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1 ;; loadup.el --- load up standardly loaded Lisp files for XEmacs.
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2
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3 ;; Copyright (C) 1985, 1986, 1992, 1994, 1997 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1996 Richard Mlynarik.
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5 ;; Copyright (C) 1995, 1996 Ben Wing.
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6
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7 ;; Maintainer: XEmacs Development Team
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8 ;; Keywords: internal, dumped
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9
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10 ;; This file is part of XEmacs.
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11
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12 ;; XEmacs is free software; you can redistribute it and/or modify it
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13 ;; under the terms of the GNU General Public License as published by
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14 ;; the Free Software Foundation; either version 2, or (at your option)
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15 ;; any later version.
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16
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17 ;; XEmacs is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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24 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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25 ;; 02111-1307, USA.
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26
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27 ;;; Synched up with: Last synched with FSF 19.30, with wild divergence since.
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28
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29 ;;; Commentary:
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30
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31 ;; Please do not edit this file. Use site-init.el or site-load.el instead.
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32
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33 ;; This is loaded into a bare XEmacs to make a dumpable one.
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34
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35 ;;; Code:
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36
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37 (when (fboundp 'error)
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38 (error "loadup.el already loaded!"))
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39
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40 (defvar running-xemacs t
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41 "Non-nil when the current emacs is XEmacs.")
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42 (defvar preloaded-file-list nil
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43 "List of files preloaded into the XEmacs binary image.")
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44
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45 (defvar Installation-string nil
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46 "Description of XEmacs installation.")
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47
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48 (let ((gc-cons-threshold 30000))
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49
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50 ;; This is awfully damn early to be getting an error, right?
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51 (call-with-condition-handler 'really-early-error-handler
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52 #'(lambda ()
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53
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54 ;; Initializa Installation-string. We do it before loading
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55 ;; anything so that dumped code can make use of its value.
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56 (setq Installation-string
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57 (save-current-buffer
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58 (set-buffer (get-buffer-create (generate-new-buffer-name
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59 " *temp*")))
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60 ;; insert-file-contents-internal bogusly calls
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61 ;; format-decode without checking if it's defined.
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62 (fset 'format-decode #'(lambda (f l &optional v) l))
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63 (insert-file-contents-internal "../Installation")
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64 (fmakunbound 'format-decode)
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65 (prog1 (buffer-substring)
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66 (kill-buffer (current-buffer)))))
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67
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68 (setq load-path (split-path (getenv "EMACSBOOTSTRAPLOADPATH")))
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69 (setq module-load-path (split-path (getenv "EMACSBOOTSTRAPMODULEPATH")))
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70
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71 ;; message not defined yet ...
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72 (external-debugging-output (format "\nUsing load-path %s" load-path))
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73 (external-debugging-output (format "\nUsing module-load-path %s"
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74 module-load-path))
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75
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76 ;; We don't want to have any undo records in the dumped XEmacs.
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77 (buffer-disable-undo (get-buffer "*scratch*"))
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78
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79 ;; Load our first bootstrap support
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80 (load "very-early-lisp" nil t)
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81
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82 ;; lread.c (or src/Makefile.in.in) has prepended
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83 ;; "${srcdir}/../lisp/" to load-path, which is how this file
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84 ;; has been found. At this point, enough of XEmacs has been
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85 ;; initialized that we can start dumping "standard" lisp.
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86 ;; Dumped lisp from external packages is added when we search
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87 ;; the package path.
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88 ;; #### This code is duplicated in two other places.
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89 (let ((temp-path (expand-file-name "." (car load-path))))
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90 (setq load-path (nconc (mapcar
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91 #'(lambda (i) (concat i "/"))
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92 (directory-files temp-path t "^[^-.]"
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93 nil 'dirs-only))
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94 (cons (file-name-as-directory temp-path)
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95 load-path))))
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96
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97 (setq load-warn-when-source-newer t ; Used to be set to nil at the end
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98 load-warn-when-source-only t) ; Set to nil at the end
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99
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100 ;; garbage collect after loading every file in an attempt to
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101 ;; minimize the size of the dumped image (if we don't do this,
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102 ;; there will be lots of extra space in the data segment filled
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103 ;; with garbage-collected junk)
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104 (defun pureload (file)
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105 (let ((full-path
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106 (locate-file file load-path
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107 (if load-ignore-elc-files
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108 '(".el" "") '(".elc" ".el" "")))))
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109 (if full-path
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110 (prog1
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111 (load full-path)
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112 (garbage-collect))
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113 (external-debugging-output (format "\nLoad file %s: not found\n"
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114 file))
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115 ;; Uncomment in case of trouble
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116 ;;(print (format "late-packages: %S" late-packages))
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117 ;;(print (format "guessed-roots: %S" (paths-find-emacs-roots invocation-directory invocation-name)))
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118 nil)))
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119
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120 (load (expand-file-name "../lisp/dumped-lisp.el"))
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121
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122 (let ((files preloaded-file-list)
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123 file)
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124 (while (setq file (car files))
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125 (unless (pureload file)
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126 (external-debugging-output "Fatal error during load, aborting")
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127 (kill-emacs 1))
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128 (setq files (cdr files)))
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129 (when (not (featurep 'toolbar))
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130 ;; else still define a few functions.
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131 (defun toolbar-button-p (obj) "No toolbar support." nil)
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132 (defun toolbar-specifier-p (obj) "No toolbar support." nil))
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133 (fmakunbound 'pureload))
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134
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135 (packages-load-package-dumped-lisps late-package-load-path)
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136
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137 )) ;; end of call-with-condition-handler
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138
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139 ;; Fix up the preloaded file list
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140 (setq preloaded-file-list (mapcar #'file-name-sans-extension
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141 preloaded-file-list))
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142
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143 (setq load-warn-when-source-newer t ; set to t at top of file
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144 load-warn-when-source-only nil)
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145
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146 (setq debugger 'debug)
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147
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148 (when (member "no-site-file" command-line-args)
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149 (setq site-start-file nil))
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150
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151 ;; If you want additional libraries to be preloaded and their
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152 ;; doc strings kept in the DOC file rather than in core,
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153 ;; you may load them with a "site-load.el" file.
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154 ;; But you must also cause them to be scanned when the DOC file
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155 ;; is generated. For VMS, you must edit ../../vms/makedoc.com.
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156 ;; For other systems, you must edit ../../src/Makefile.in.in.
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157 (when (load "site-load" t)
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158 (garbage-collect))
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159
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160 ;;FSFmacs randomness
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161 ;;(if (fboundp 'x-popup-menu)
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162 ;; (precompute-menubar-bindings))
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163 ;;; Turn on recording of which commands get rebound,
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164 ;;; for the sake of the next call to precompute-menubar-bindings.
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165 ;(setq define-key-rebound-commands nil)
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166
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167 ;; Note: all compiled Lisp files loaded above this point
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168 ;; must be among the ones parsed by make-docfile
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169 ;; to construct DOC. Any that are not processed
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170 ;; for DOC will not have doc strings in the dumped XEmacs.
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171
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172 ;; Don't bother with these if we're running temacs, i.e. if we're
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173 ;; just debugging don't waste time finding doc strings.
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174
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175 ;; purify-flag is nil if called from loadup-el.el.
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176 (when purify-flag
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177 (message "Finding pointers to doc strings...")
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178 (Snarf-documentation "DOC")
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179 (message "Finding pointers to doc strings...done")
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180 (Verify-documentation))
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181
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182 ;; Note: You can cause additional libraries to be preloaded
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183 ;; by writing a site-init.el that loads them.
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184 ;; See also "site-load" above.
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185 (when (stringp site-start-file)
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186 (load "site-init" t))
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187 (setq current-load-list nil)
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188 (garbage-collect)
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189
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190 ;;; At this point, we're ready to resume undo recording for scratch.
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191 (buffer-enable-undo "*scratch*")
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192
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193 ) ;; frequent garbage collection
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194
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195 ;; Dump into the name `xemacs' (only)
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196 (when (member "dump" command-line-args)
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197 (message "Dumping under the name xemacs")
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198 ;; This is handled earlier in the build process.
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199 ;; (condition-case () (delete-file "xemacs") (file-error nil))
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200 (when (fboundp 'really-free)
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201 (really-free))
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202 (dump-emacs (if (featurep 'infodock) "infodock" "xemacs") "temacs")
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203 (kill-emacs))
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204
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205 ;; Avoid error if user loads some more libraries now.
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206 (setq purify-flag nil)
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207
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208 (when (member "run-temacs" command-line-args)
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209 (message "\nBootstrapping from temacs...")
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210 ;; Remove all args up to and including "run-temacs"
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211 (apply #'run-emacs-from-temacs (cdr (member "run-temacs" command-line-args)))
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212 ;; run-emacs-from-temacs doesn't actually return anyway.
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213 (kill-emacs))
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214
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215 ;; XEmacs change
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216 ;; If you are using 'recompile', then you should have used -l loadup-el.el
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217 ;; so that the .el files always get loaded (the .elc files may be out-of-
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218 ;; date or bad).
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219 (when (member "recompile" command-line-args)
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220 (setq command-line-args-left (cdr (member "recompile" command-line-args)))
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221 (batch-byte-recompile-directory)
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222 (kill-emacs))
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223
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224 ;; For machines with CANNOT_DUMP defined in config.h,
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225 ;; this file must be loaded each time Emacs is run.
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226 ;; So run the startup code now.
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227
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228 (when (not (fboundp 'dump-emacs))
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229 ;; Avoid loading loadup.el a second time!
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230 (setq command-line-args (cdr (cdr command-line-args)))
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231 (eval top-level))
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232
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233 ;;; loadup.el ends here
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