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1 ;;; update-elc.el --- Bytecompile out-of-date dumped files
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2
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3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
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442
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4 ;; Copyright (C) 1996 Sun Microsystems, Inc.
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528
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5 ;; Copyright (C) 2001 Ben Wing.
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6
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528
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7 ;; Author: Ben Wing <ben@xemacs.org>
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8 ;; Based On: Original by Steven L Baur <steve@xemacs.org>
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428
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9 ;; Maintainer: XEmacs Development Team
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10 ;; Keywords: internal
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11
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12 ;; This file is part of XEmacs.
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13
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14 ;; XEmacs is free software; you can redistribute it and/or modify it
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15 ;; under the terms of the GNU General Public License as published by
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16 ;; the Free Software Foundation; either version 2, or (at your option)
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17 ;; any later version.
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18
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19 ;; XEmacs is distributed in the hope that it will be useful, but
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20 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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22 ;; General Public License for more details.
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23
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24 ;; You should have received a copy of the GNU General Public License
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25 ;; along with XEmacs; see the file COPYING. If not, write to the
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26 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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27 ;; Boston, MA 02111-1307, USA.
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28
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29 ;;; Synched up with: Not in FSF.
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30
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31 ;;; Commentary:
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32
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33 ;; Byte compile the .EL files necessary to dump out xemacs.
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34 ;; Use this file like this:
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35
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36 ;; temacs -batch -l ../lisp/update-elc.el $lisp
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37
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38 ;; where $lisp comes from the Makefile. .elc files listed in $lisp will
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39 ;; cause the corresponding .el file to be compiled. .el files listed in
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40 ;; $lisp will be ignored.
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41
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42 ;; (the idea here is that you can bootstrap if your .ELC files
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43 ;; are missing or badly out-of-date)
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44
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45 ;; See also update-elc-2.el
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46
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47 ;;; Code:
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48
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49 (defvar processed nil)
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50 (defvar update-elc-files-to-compile nil)
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51 (defvar need-to-rebuild-autoloads nil)
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52 (defvar need-to-rebuild-mule-autoloads nil)
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53 (defvar need-to-recompile-autoloads nil)
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54 (defvar need-to-recompile-mule-autoloads nil)
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55
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56 ;(setq update-elc-files-to-compile
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57 ; (delq nil
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58 ; (mapcar (function
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59 ; (lambda (x)
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60 ; (if (string-match "\.elc$" x)
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61 ; (let ((src (substring x 0 -1)))
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62 ; (if (file-newer-than-file-p src x)
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63 ; (progn
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64 ; (and (file-exists-p x)
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65 ; (null (file-writable-p x))
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66 ; (set-file-modes x (logior (file-modes x) 128)))
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67 ; src))))))
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68 ; ;; -batch gets filtered out.
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69 ; (nthcdr 3 command-line-args))))
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70
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71 (let ((build-root (expand-file-name ".." invocation-directory)))
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72 (setq load-path (list (expand-file-name "lisp" build-root))))
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73
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74 (load "very-early-lisp" nil t)
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75
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76 (load "find-paths.el")
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77 (load "packages.el")
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78 (load "setup-paths.el")
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79 (load "dump-paths.el")
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80
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81 (defun update-elc-chop-extension (file)
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82 (if (string-match "\\.elc?$" file)
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83 (substring file 0 (match-beginning 0))
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84 file))
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85
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86 ;; we used to call packages-list-autoloads here, but it's false generality.
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87 ;; we need to handle each autoload file differently and there are only
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88 ;; two of them.
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89
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90 (let (preloaded-file-list site-load-packages need-to-dump dumped-exe
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91 files-to-process)
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92
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93 (load (expand-file-name "../lisp/dumped-lisp.el"))
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94
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95 (setq dumped-exe
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96 (cond ((file-exists-p "../src/xemacs.exe") "../src/xemacs.exe")
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97 ((file-exists-p "../src/xemacs") "../src/xemacs")
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98 (t nil)))
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99
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100 ;; Path setup
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101 (let ((package-preloaded-file-list
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102 (packages-collect-package-dumped-lisps late-package-load-path)))
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103
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104 (setq preloaded-file-list
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105 (append package-preloaded-file-list
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106 preloaded-file-list
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107 packages-hardcoded-lisp)))
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108
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109 (load (concat default-directory "../site-packages") t t)
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110 (setq preloaded-file-list
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111 (append packages-hardcoded-lisp
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112 preloaded-file-list
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113 site-load-packages))
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114 ;; bytecomp, byte-optimize, and autoload are mentioned in
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115 ;; packages-useful-lisp.
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116 (setq files-to-process (append packages-useful-lisp preloaded-file-list))
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117 (while files-to-process
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118 (let* ((arg (car files-to-process))
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119 (arg-is-preloaded (member arg preloaded-file-list))
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120 (arg-sans-extension (update-elc-chop-extension arg))
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121 (full-arg (locate-library arg-sans-extension))
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122 (full-arg-sans-extension
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123 (if (null full-arg)
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124 (progn
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125 (print (format "Error: Library file %s not found" arg))
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126 ;; Uncomment in case of trouble
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127 ;;(print (format "late-packages: %S" late-packages))
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128 ;;(print (format "guessed-roots: %S"
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129 ;; (paths-find-emacs-roots
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130 ;; invocation-directory invocation-name)))
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131 (kill-emacs))
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132 (update-elc-chop-extension full-arg)))
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133 (full-arg-el (concat full-arg-sans-extension ".el"))
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134 (full-arg-elc (concat full-arg-sans-extension ".elc"))
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135 (full-arg-dir (file-name-directory full-arg-el))
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136 (autoload-file (expand-file-name "auto-autoloads.el" full-arg-dir))
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137 (autoload-is-mule (string-match "[/\\]mule[/\\]$" full-arg-dir)))
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138
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139 ;; (print full-arg-el)
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140
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141 ;; now check if .el or .elc is newer than the dumped exe.
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142 ;; if so, need to redump.
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143 (when (and dumped-exe arg-is-preloaded
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144 (or (and (file-exists-p full-arg-el)
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145 (file-newer-than-file-p full-arg-el dumped-exe))
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146 (and (file-exists-p full-arg-elc)
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147 (file-newer-than-file-p full-arg-elc dumped-exe))))
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148 (setq need-to-dump t))
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149
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150 (when (or (not (file-exists-p autoload-file))
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151 (and (file-exists-p full-arg-el)
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152 (file-newer-than-file-p full-arg-el autoload-file)))
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153 (if autoload-is-mule
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154 (setq need-to-rebuild-mule-autoloads t)
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155 (setq need-to-rebuild-autoloads t)))
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156
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157 (if (and (not (member (file-name-nondirectory arg)
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158 packages-unbytecompiled-lisp))
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159 (not (member full-arg-el processed))
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160 (file-exists-p full-arg-el)
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161 (or (not (file-exists-p full-arg-elc))
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162 (file-newer-than-file-p full-arg-el full-arg-elc)))
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163 (setq processed (cons full-arg-el processed)))
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164
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165 (setq files-to-process (cdr files-to-process))))
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166
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167 (if need-to-dump
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168 (condition-case nil
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169 (write-region-internal "foo" nil "../src/NEEDTODUMP")
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170 (file-error nil)))
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171
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172 )
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173
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174 (when (or need-to-rebuild-autoloads
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175 (not (file-exists-p "../lisp/auto-autoloads.el"))
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176 (not (file-exists-p "../lisp/auto-autoloads.elc"))
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177 (file-newer-than-file-p "../lisp/auto-autoloads.el"
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178 "../lisp/auto-autoloads.elc"))
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179 (setq need-to-recompile-autoloads t))
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180
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181 (when (or need-to-rebuild-mule-autoloads
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182 (not (file-exists-p "../lisp/mule/auto-autoloads.el"))
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183 (not (file-exists-p "../lisp/mule/auto-autoloads.elc"))
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184 (file-newer-than-file-p "../lisp/mule/auto-autoloads.el"
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185 "../lisp/mule/auto-autoloads.elc"))
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186 (setq need-to-recompile-mule-autoloads t))
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187
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188 (when (not (featurep 'mule))
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189 ;; sorry charlie.
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190 (setq need-to-rebuild-mule-autoloads nil
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191 need-to-recompile-mule-autoloads nil))
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192
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193 (setq update-elc-files-to-compile (append update-elc-files-to-compile
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194 processed))
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195
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528
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196 ;; (print update-elc-files-to-compile)
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197
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198 (if (and (not update-elc-files-to-compile)
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199 (not need-to-rebuild-autoloads)
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200 (not need-to-rebuild-mule-autoloads)
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201 (not need-to-recompile-autoloads)
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202 (not need-to-recompile-mule-autoloads))
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203 (condition-case nil
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204 (delete-file "../src/NOBYTECOMPILE")
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205 (file-error nil))
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206 (let* (
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207 (bytecomp-arg (concat (update-elc-chop-extension
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208 (locate-library "bytecomp")) ".el"))
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209 (byte-opt-arg (concat (update-elc-chop-extension
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210 (locate-library "byte-optimize")) ".el"))
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211 (autoload-arg (concat (update-elc-chop-extension
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212 (locate-library "autoload")) ".el"))
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213 )
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214 (setq inhibit-autoloads t)
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215 (setq command-line-args
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216 (append
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217 '("-l" "loadup-el.el" "run-temacs" "-batch" "-q" "-no-site-file")
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218 ;; if bytecomp or byte-optimize need recompiling, then load
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219 ;; the .el version of them first, recompile them, and reload
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220 ;; the .elc versions to recompile everything else (so we won't
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221 ;; be waiting until the cows come home). we need to set
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222 ;; load-ignore-elc-files because byte-optimize gets autoloaded
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223 ;; from bytecomp.
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224 (if (or (member bytecomp-arg update-elc-files-to-compile)
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225 (member byte-opt-arg update-elc-files-to-compile))
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226 (append
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227 '("-eval" "(setq load-ignore-elc-files t)" "-l" "bytecomp")
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228 (if (member bytecomp-arg update-elc-files-to-compile)
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229 (append '("-f" "batch-byte-compile-one-file")
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230 (list bytecomp-arg)))
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231 (if (member byte-opt-arg update-elc-files-to-compile)
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232 (append '("-f" "batch-byte-compile-one-file")
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233 (list byte-opt-arg)))
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234 '("-eval" "(setq load-ignore-elc-files nil)")))
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235 '("-l" "bytecomp")
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236 ;; likewise, recompile autoload.el if out-of-date.
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237 (if (member autoload-arg update-elc-files-to-compile)
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238 (append '("-f" "batch-byte-compile-one-file")
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239 (list autoload-arg)))
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240 ;; then generate autoloads for lisp and maybe lisp/mule.
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241 (if (or need-to-rebuild-autoloads
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242 need-to-rebuild-mule-autoloads)
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243 '("-l" "autoload"))
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244 (if need-to-rebuild-autoloads
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245 '("-f" "batch-force-update-one-directory" "../lisp"))
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246 (if need-to-rebuild-mule-autoloads
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247 '("-f" "batch-force-update-one-directory" "../lisp/mule"))
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248 (if need-to-recompile-autoloads
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249 '("-f" "batch-byte-compile-one-file"
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250 "../lisp/auto-autoloads.el"))
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251 (if need-to-recompile-mule-autoloads
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252 '("-f" "batch-byte-compile-one-file"
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253 "../lisp/mule/auto-autoloads.el"))
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254 ;; now load the autoloads and compile alles anderes.
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255 '("-eval" "(setq inhibit-autoloads nil)"
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256 "-f" "startup-load-autoloads"
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257 "-f" "batch-byte-compile")
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258 (delete autoload-arg
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259 (delete byte-opt-arg
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260 (delete bytecomp-arg
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261 update-elc-files-to-compile))))))
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262 (load "loadup-el.el"))
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263
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264 (kill-emacs)
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265
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266 ;;; update-elc.el ends here
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