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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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1261
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5 ;; Copyright (C) 1995, 1996, 2003 Ben Wing.
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428
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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 ;; If you are wanting to add files to be dumped into your local version of
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32 ;; XEmacs, DO NOT add them here. Use site-init.el or site-load.el instead.
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33
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34 ;; This is loaded into a bare XEmacs to make a dumpable one.
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35
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36 ;;; Code:
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37
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38 ;; Help debug problems.
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39 (setq stack-trace-on-error t
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40 load-always-display-messages t)
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41
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1330
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42 ;(princ (format "command-line-args: %s\n" command-line-args))
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43 ;(princ (format "configure-lisp-directory: %S\n" configure-lisp-directory))
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44 ;(princ (format "configure-data-directory: %S\n" configure-data-directory))
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45 ;(princ (format "lisp-directory: %S\n" lisp-directory))
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46
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428
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47 (when (fboundp 'error)
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48 (error "loadup.el already loaded!"))
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49
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3511
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50 (defconst running-xemacs t
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51 "Non-nil when the current emacs is XEmacs.")
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52
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53 ;; Can't make this constant for now because it causes an error in
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54 ;; update-elc.el.
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55 (defvar source-lisp (file-name-directory (expand-file-name
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56 (nth 2 command-line-args)))
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57 "Root of tree containing the Lisp source code for the current build.
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58 Differs from `lisp-directory' if this XEmacs has been installed. ")
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59
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60 (defconst build-directory (expand-file-name ".." invocation-directory)
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61 "Root of tree containing object files and executables produced by build.
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62 Differs from `source-directory' if configured with --srcdir option, a practice
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63 recommended for developers.")
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64
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65 (defconst source-directory (expand-file-name ".." source-lisp)
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66 "Root of tree containing source code for the current build.
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67 Used during loadup and for documenting source of symbols defined in C.")
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68
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428
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69 (defvar preloaded-file-list nil
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70 "List of files preloaded into the XEmacs binary image.")
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71
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442
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72 ;(start-profiling)
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73
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74 (let ((gc-cons-threshold
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75 ;; setting it low makes loadup incredibly fucking slow.
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76 ;; no need to do it when not dumping.
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77 (if (and purify-flag
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78 (not (memq 'quick-build internal-error-checking)))
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79 30000 3000000)))
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80
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81 ;; really-early-error-handler outputs a stack trace so let's not do it
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82 ;; twice.
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83 (let ((stack-trace-on-error nil))
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428
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84
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85 ;; This is awfully damn early to be getting an error, right?
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86 (call-with-condition-handler 'really-early-error-handler
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87 #'(lambda ()
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88 (setq load-path (list source-lisp))
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89 (setq module-load-path (list
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90 (expand-file-name "modules" build-directory)))
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91
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92 ;; message not defined yet ...
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93 (external-debugging-output (format "\nUsing load-path %s" load-path))
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94 (external-debugging-output (format "\nUsing module-load-path %s"
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95 module-load-path))
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96
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97 ;; We don't want to have any undo records in the dumped XEmacs.
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98 (buffer-disable-undo (get-buffer "*scratch*"))
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99
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100 ;; lread.c (or src/Makefile.in.in) has prepended
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101 ;; "${srcdir}/../lisp/" to load-path, which is how this file
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102 ;; has been found. At this point, enough of XEmacs has been
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103 ;; initialized that we can start dumping "standard" lisp.
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104 ;; Dumped lisp from external packages is added when we search
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105 ;; the package path.
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106 ;; #### This code is duplicated in two other places.
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107 (let ((temp-path (expand-file-name "." (car load-path))))
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108 (setq load-path (nconc (mapcar
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109 #'(lambda (i) (concat i "/"))
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110 (directory-files temp-path t "^[^-.]"
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111 nil 'dirs-only))
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112 (cons (file-name-as-directory temp-path)
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113 load-path))))
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114
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115 (setq load-warn-when-source-only t) ; Set to nil at the end
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116
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117 ;; garbage collect after loading every file in an attempt to
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118 ;; minimize the size of the dumped image (if we don't do this,
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119 ;; there will be lots of extra space in the data segment filled
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120 ;; with garbage-collected junk)
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121 (defun pureload (file)
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122 (let ((full-path
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123 (locate-file file load-path
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124 (if load-ignore-elc-files
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125 '(".el" "") '(".elc" ".el" "")))))
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126 (if full-path
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127 (prog1
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128 (load full-path)
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442
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129 ;; but garbage collection really slows down loading.
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130 (unless (memq 'quick-build internal-error-checking)
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131 (garbage-collect)))
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132 (external-debugging-output (format "\nLoad file %s: not found\n"
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133 file))
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134 ;; Uncomment in case of trouble
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135 ;;(print (format "late-package-hierarchies: %S" late-package-hierarchies))
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136 ;;(print (format "guessed-roots: %S" (paths-find-emacs-roots invocation-directory invocation-name #'paths-emacs-root-p)))
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137 ;;(print (format "guessed-data-roots: %S" (paths-find-emacs-roots invocation-directory invocation-name #'paths-emacs-data-root-p)))
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138 nil)))
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139
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140 (load (expand-file-name "dumped-lisp.el" source-lisp))
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141
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142 (let ((files preloaded-file-list)
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143 file)
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144 (while (setq file (car files))
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145 (unless (pureload file)
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146 (external-debugging-output "Fatal error during load, aborting")
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147 (kill-emacs 1))
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148 (setq files (cdr files)))
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149 (when (not (featurep 'toolbar))
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150 ;; else still define a few functions.
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151 (defun toolbar-button-p (obj) "No toolbar support." nil)
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152 (defun toolbar-specifier-p (obj) "No toolbar support." nil))
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153 (fmakunbound 'pureload))
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154
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155 (packages-load-package-dumped-lisps late-package-load-path)
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156
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157 )) ;; end of call-with-condition-handler
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158
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159 ) ; (let ((stack-trace-on-error nil)))
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428
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160
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161 ;; Fix up the preloaded file list
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162 (setq preloaded-file-list (mapcar #'file-name-sans-extension
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163 preloaded-file-list))
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164
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165 (setq load-warn-when-source-only nil)
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166
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167 (setq debugger 'debug)
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168
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169 (when (member "no-site-file" command-line-args)
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170 (setq site-start-file nil))
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171
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172 ;; If you want additional libraries to be preloaded and their
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173 ;; doc strings kept in the DOC file rather than in core,
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174 ;; you may load them with a "site-load.el" file.
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175 ;; But you must also cause them to be scanned when the DOC file
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176 ;; is generated. For MS Windows, you must edit ../nt/xemacs.mak.
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177 ;; For other systems, you must edit ../src/Makefile.in.in.
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428
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178 (when (load "site-load" t)
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442
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179 (garbage-collect)
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180 )
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428
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181
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182 ;;FSFmacs randomness
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183 ;;(if (fboundp 'x-popup-menu)
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184 ;; (precompute-menubar-bindings))
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185 ;;; Turn on recording of which commands get rebound,
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186 ;;; for the sake of the next call to precompute-menubar-bindings.
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187 ;(setq define-key-rebound-commands nil)
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188
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189 ;; Note: all compiled Lisp files loaded above this point
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190 ;; must be among the ones parsed by make-docfile
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191 ;; to construct DOC. Any that are not processed
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192 ;; for DOC will not have doc strings in the dumped XEmacs.
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193
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194 ;; Don't bother with these if we're running temacs, i.e. if we're
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195 ;; just debugging don't waste time finding doc strings.
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196
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197 ;; purify-flag is nil if called from loadup-el.el.
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198 (when purify-flag
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199 (message "Finding pointers to doc strings...")
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200 (Snarf-documentation "DOC")
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201 (message "Finding pointers to doc strings...done")
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202 (Verify-documentation))
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203
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204 ;; Note: You can cause additional libraries to be preloaded
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205 ;; by writing a site-init.el that loads them.
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206 ;; See also "site-load" above.
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207 (when (stringp site-start-file)
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208 (load "site-init" t))
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209 (setq current-load-list nil)
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210 (garbage-collect)
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211
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212 ;;; At this point, we're ready to resume undo recording for scratch.
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213 (buffer-enable-undo "*scratch*")
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214
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215 ) ;; (let ((gc-cons-threshold [frequent garbage collection when dumping])))
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216
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217 ;(stop-profiling)
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218
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428
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219 ;; Dump into the name `xemacs' (only)
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220 (when (member "dump" command-line-args)
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221 (message "Dumping under the name xemacs")
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222 ;; This is handled earlier in the build process.
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223 ;; (condition-case () (delete-file "xemacs") (file-error nil))
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224 (when (fboundp 'really-free)
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225 (really-free))
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226 ;; Make sure we don't dump with debugging messages turned on.
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227 (setq stack-trace-on-error nil
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228 load-always-display-messages nil)
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462
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229 (dump-emacs
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230 (cond
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231 ((featurep 'infodock) "infodock")
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232 ;; #### BILL!!!
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233 ;; If we want to dump under a name other than `xemacs', do that here!
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234 ;; ((featurep 'gtk) "xemacs-gtk")
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235 (t "xemacs"))
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236 "temacs")
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237 (kill-emacs))
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238
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239 ;; Avoid error if user loads some more libraries now.
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240 (setq purify-flag nil)
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241
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242 (when (member "run-temacs" command-line-args)
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243 (message "\nBootstrapping from temacs...")
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244 ;; Remove all args up to and including "run-temacs"
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245 (apply #'run-emacs-from-temacs (cdr (member "run-temacs" command-line-args)))
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246 ;; run-emacs-from-temacs doesn't actually return anyway.
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247 (kill-emacs))
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248
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249 ;; XEmacs change
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250 ;; If you are using 'recompile', then you should have used -l loadup-el.el
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251 ;; so that the .el files always get loaded (the .elc files may be out-of-
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252 ;; date or bad).
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253 (when (member "recompile" command-line-args)
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254 (setq command-line-args-left (cdr (member "recompile" command-line-args)))
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255 (batch-byte-recompile-directory)
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256 (kill-emacs))
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257
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258 ;; For machines with CANNOT_DUMP defined in config.h,
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259 ;; this file must be loaded each time Emacs is run.
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260 ;; So run the startup code now.
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261
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262 (when (not (fboundp 'dump-emacs))
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263 ;; Avoid loading loadup.el a second time!
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264 (setq command-line-args (cdr (cdr command-line-args)))
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265 (eval top-level))
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266
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267 ;;; loadup.el ends here
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