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428
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1 ;;; update-elc.el --- Bytecompile out-of-date dumped files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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1261
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5 ;; Copyright (C) 2001, 2003 Ben Wing.
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428
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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 ;; Also update the auto-autoloads.el files.
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35
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428
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36 ;; Use this file like this:
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37
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38 ;; temacs -batch -l ../lisp/update-elc.el $lisp
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39
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40 ;; where $lisp comes from the Makefile. .elc files listed in $lisp will
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41 ;; cause the corresponding .el file to be compiled. .el files listed in
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42 ;; $lisp will be ignored.
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43
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44 ;; (the idea here is that you can bootstrap if your .ELC files
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45 ;; are missing or badly out-of-date)
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46
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442
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47 ;; See also update-elc-2.el
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428
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48
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49 ;;; Code:
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50
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51 ;; Help debug problems.
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52 (setq stack-trace-on-error t
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53 load-always-display-messages t)
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54
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428
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55 (defvar processed nil)
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56 (defvar update-elc-files-to-compile nil)
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528
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57 (defvar need-to-rebuild-autoloads nil)
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58 (defvar need-to-rebuild-mule-autoloads nil)
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59 (defvar need-to-recompile-autoloads nil)
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60 (defvar need-to-recompile-mule-autoloads nil)
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1261
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61 (defvar undumped-exe nil)
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62 (defvar dumped-exe nil)
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63 (defvar dumped-exe-out-of-date-wrt-dump-files nil)
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64 (defvar dumped-exe-out-of-date-wrt-undumped-exe nil)
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428
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65
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66 ;(setq update-elc-files-to-compile
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67 ; (delq nil
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68 ; (mapcar (function
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69 ; (lambda (x)
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70 ; (if (string-match "\.elc$" x)
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71 ; (let ((src (substring x 0 -1)))
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72 ; (if (file-newer-than-file-p src x)
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73 ; (progn
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74 ; (and (file-exists-p x)
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75 ; (null (file-writable-p x))
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76 ; (set-file-modes x (logior (file-modes x) 128)))
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77 ; src))))))
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78 ; ;; -batch gets filtered out.
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79 ; (nthcdr 3 command-line-args))))
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80
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442
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81 (let ((build-root (expand-file-name ".." invocation-directory)))
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82 (setq load-path (list (expand-file-name "lisp" build-root))))
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428
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83
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84 (load "very-early-lisp.el")
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428
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85 (load "find-paths.el")
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86 (load "packages.el")
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87 (load "setup-paths.el")
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88 (load "dump-paths.el") ;; #### take out in my fixup ws
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89
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90 ;; Lisp files loaded in order to byte compile anything. If any are out of
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91 ;; date, we need to load them as .el's, byte compile them, and reload as
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92 ;; .elc's.
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93 (defvar lisp-files-needed-for-byte-compilation
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94 '("bytecomp"
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95 "byte-optimize"))
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96
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97 ;; Lisp files not in `lisp-files-needed-for-byte-compilation' that need
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98 ;; early byte compilation. These are files loaded by update-elc.el in
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99 ;; order to do the compilation of all the rest of the files.
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100 (defvar lisp-files-needing-early-byte-compilation
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101 '(;"easy-mmode"
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102 "autoload"
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103 "shadow"
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104 "cl-macs"))
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105
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106 (defvar unbytecompiled-lisp-files
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107 '("paths.el"
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108 "dumped-lisp.el"
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109 "dumped-pkg-lisp.el"
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110 "raw-process.el"
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111 "version.el"
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112 "very-early-lisp.el")
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113 "Lisp files that should not be byte compiled.")
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428
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114
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528
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115 (defun update-elc-chop-extension (file)
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116 (if (string-match "\\.elc?$" file)
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117 (substring file 0 (match-beginning 0))
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118 file))
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119
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528
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120 ;; we used to call packages-list-autoloads here, but it's false generality.
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121 ;; we need to handle each autoload file differently and there are only
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122 ;; two of them.
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123
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124 (let (preloaded-file-list site-load-packages files-to-process)
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125
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126 (load (expand-file-name "../lisp/dumped-lisp.el"))
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127
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442
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128 (setq dumped-exe
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129 (cond ((file-exists-p "../src/xemacs.exe") "../src/xemacs.exe")
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130 ((file-exists-p "../src/xemacs") "../src/xemacs")
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131 (t nil)))
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132
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133 (let ((temacs-exe
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134 (cond ((file-exists-p "../src/temacs.exe") "../src/temacs.exe")
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135 ((file-exists-p "../src/temacs") "../src/temacs")
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136 (t nil)))
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137 (data-file
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138 (cond ((file-exists-p "../src/xemacs.dmp") "../src/xemacs.dmp")
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139 (t nil))))
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140
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141 ;; two setups here:
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142 ;; (1) temacs.exe is undumped, dumped into xemacs.exe. Happens with
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143 ;; unexec, but also with pdump under MS Windows native, since
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144 ;; the dumped data is stored as a resource in the xemacs.exe
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145 ;; executable.
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146 ;; (2) xemacs.exe is dumped or undumped. Running `xemacs -nd' gets
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147 ;; you the equivalent of `temacs'. Dumping creates a file
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148 ;; `xemacs.dmp'.
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149
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150 (setq dumped-exe-out-of-date-wrt-undumped-exe
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151 (cond ((not dumped-exe) t)
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152 (temacs-exe (file-newer-than-file-p temacs-exe dumped-exe))
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153 ((not data-file) t)
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154 (t (file-newer-than-file-p dumped-exe data-file))))
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155 )
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156
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157
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428
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158 ;; Path setup
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159 (let ((package-preloaded-file-list
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160 (packages-collect-package-dumped-lisps late-package-load-path)))
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161
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162 (setq preloaded-file-list
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163 (append package-preloaded-file-list
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164 preloaded-file-list
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165 packages-hardcoded-lisp)))
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166
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167 (load (concat default-directory "../site-packages") t t)
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168 (setq preloaded-file-list
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169 (append packages-hardcoded-lisp
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170 preloaded-file-list
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171 site-load-packages))
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1261
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172 ;; bytecomp, byte-optimize, autoload, etc. are mentioned specially
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173 ;; in the lisp-files-need* variables.
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174 (setq files-to-process (append lisp-files-needed-for-byte-compilation
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175 lisp-files-needing-early-byte-compilation
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176 preloaded-file-list))
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528
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177 (while files-to-process
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178 (let* ((arg (car files-to-process))
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179 (arg-is-preloaded (member arg preloaded-file-list))
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180 (arg-sans-extension (update-elc-chop-extension arg))
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181 (full-arg (locate-library arg-sans-extension))
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182 (full-arg-sans-extension
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183 (if (null full-arg)
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184 (progn
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185 (print (format "Error: Library file %s not found" arg))
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186 (backtrace)
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528
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187 ;; Uncomment in case of trouble
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188 ;;(print (format "late-packages: %S" late-packages))
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189 ;;(print (format "guessed-roots: %S"
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190 ;; (paths-find-emacs-roots
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191 ;; invocation-directory invocation-name)))
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192 (kill-emacs))
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193 (update-elc-chop-extension full-arg)))
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194 (full-arg-el (concat full-arg-sans-extension ".el"))
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195 (full-arg-elc (concat full-arg-sans-extension ".elc"))
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196 (full-arg-dir (file-name-directory full-arg-el)))
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528
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197
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198 ;; (print full-arg-el)
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442
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199
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200 ;; now check if .el or .elc is newer than the dumped exe.
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201 ;; if so, need to redump.
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528
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202 (when (and dumped-exe arg-is-preloaded
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203 (or (and (file-exists-p full-arg-el)
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204 (file-newer-than-file-p full-arg-el dumped-exe))
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205 (and (file-exists-p full-arg-elc)
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206 (file-newer-than-file-p full-arg-elc dumped-exe))))
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207 (setq dumped-exe-out-of-date-wrt-dump-files t))
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528
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208
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209 (if (and (not (member (file-name-nondirectory arg)
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210 unbytecompiled-lisp-files))
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528
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211 (not (member full-arg-el processed))
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212 (file-exists-p full-arg-el)
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213 (or (not (file-exists-p full-arg-elc))
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214 (file-newer-than-file-p full-arg-el full-arg-elc)))
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215 (setq processed (cons full-arg-el processed)))
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216
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217 (setq files-to-process (cdr files-to-process))))
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442
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218
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219 ;; Check if we need to rebuild the auto-autoloads.el files -- that is,
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220 ;; if ANY .el files have changed.
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221 (let ((dirs-to-check '("../lisp" "../lisp/mule")))
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222 (while dirs-to-check
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223 (let* ((dir (car dirs-to-check))
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224 (full-dir (expand-file-name dir))
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225 (all-files-in-dir (directory-files full-dir t "\\.el$" nil t))
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226 (autoload-file
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227 (expand-file-name "auto-autoloads.el" full-dir))
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228 (autoload-is-mule (equal dir "../lisp/mule")))
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229 (while all-files-in-dir
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230 (let* ((full-arg (car all-files-in-dir)))
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231 (when (or (not (file-exists-p autoload-file))
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232 (and (file-exists-p full-arg)
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233 (file-newer-than-file-p full-arg autoload-file)))
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234 (if autoload-is-mule
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235 (setq need-to-rebuild-mule-autoloads t)
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236 (setq need-to-rebuild-autoloads t))))
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237 (setq all-files-in-dir (cdr all-files-in-dir))))
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238 (setq dirs-to-check (cdr dirs-to-check))))
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239
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240 (if dumped-exe-out-of-date-wrt-dump-files
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442
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241 (condition-case nil
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242 (write-region-internal "foo" nil "../src/NEEDTODUMP")
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243 (file-error nil)))
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244
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245 )
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428
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246
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528
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247 (when (or need-to-rebuild-autoloads
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248 (not (file-exists-p "../lisp/auto-autoloads.el"))
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249 (not (file-exists-p "../lisp/auto-autoloads.elc"))
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250 (file-newer-than-file-p "../lisp/auto-autoloads.el"
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251 "../lisp/auto-autoloads.elc"))
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252 (setq need-to-recompile-autoloads t))
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253
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254 (when (or need-to-rebuild-mule-autoloads
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255 (not (file-exists-p "../lisp/mule/auto-autoloads.el"))
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256 (not (file-exists-p "../lisp/mule/auto-autoloads.elc"))
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257 (file-newer-than-file-p "../lisp/mule/auto-autoloads.el"
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258 "../lisp/mule/auto-autoloads.elc"))
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259 (setq need-to-recompile-mule-autoloads t))
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260
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261 (when (not (featurep 'mule))
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262 ;; sorry charlie.
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263 (setq need-to-rebuild-mule-autoloads nil
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264 need-to-recompile-mule-autoloads nil))
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265
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428
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266 (setq update-elc-files-to-compile (append update-elc-files-to-compile
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622
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267 (nreverse processed)))
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428
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268
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1261
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269 ;(print update-elc-files-to-compile)
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428
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270
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1261
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271 (let ((do-autoload-commands
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272 (append
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273 (if (or need-to-rebuild-autoloads
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274 need-to-rebuild-mule-autoloads)
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275 '("-l" "autoload"))
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276 (if need-to-rebuild-autoloads
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277 '("-f" "autoload-update-directory-autoloads"
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278 "auto" "../lisp"))
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279 (if need-to-rebuild-mule-autoloads
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280 '("-f" "autoload-update-directory-autoloads"
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281 "mule" "../lisp/mule"))
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282 (if need-to-recompile-autoloads
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283 '("-f" "batch-byte-compile-one-file"
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284 "../lisp/auto-autoloads.el"))
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285 (if need-to-recompile-mule-autoloads
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286 '("-f" "batch-byte-compile-one-file"
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287 "../lisp/mule/auto-autoloads.el")))))
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288 (cond ((and (not update-elc-files-to-compile)
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289 (not need-to-rebuild-autoloads)
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290 (not need-to-rebuild-mule-autoloads)
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291 (not need-to-recompile-autoloads)
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292 (not need-to-recompile-mule-autoloads))
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293 ;; (1) Nothing to do at all. BYTECOMPILE_CHANGE is used (only by
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294 ;; the Unix makefile) to indicate whether some files needed
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295 ;; for dump got recompiled, and hence the executable must be
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296 ;; redumped. We remove it if there were no files to compile.
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297 (condition-case nil
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298 (delete-file "../src/BYTECOMPILE_CHANGE")
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299 (file-error nil)))
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300 ((and (not update-elc-files-to-compile)
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301 (not dumped-exe-out-of-date-wrt-dump-files)
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302 (not dumped-exe-out-of-date-wrt-undumped-exe))
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303 ;; (2) We have no files to byte-compile, but we do need to
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304 ;; regenerate and compile the auto-autoloads file. (This will
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305 ;; be needed to be up-to-date before we run update-elc-2.)
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306 ;; If the dumped exe exists and is up-to-date, both with
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307 ;; respect to the undumped exe and the files that will be dumped
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308 ;; into it, then we can use the dumped exe to rebuild the
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309 ;; autoloads. Else, we have to do it the "hard way" by loading
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310 ;; raw temacs, running loadup, then regenerating the autoloads.
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311 ;; #### We should see whether it's possible to load up a
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312 ;; minimal number of files in order to get autoload.el to work.
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313 (load "raw-process.el")
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314 (apply 'call-process-internal dumped-exe nil t nil
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315 (append
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316 '("-batch -no-autoloads -no-packages")
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317 do-autoload-commands))
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318 (condition-case nil
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319 (delete-file "../src/BYTECOMPILE_CHANGE")
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320 (file-error nil)))
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321 (t
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322 (let ((bc-bootstrap
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323 (mapcar #'(lambda (arg)
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324 (concat (update-elc-chop-extension
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325 (locate-library arg)) ".el"))
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326 lisp-files-needed-for-byte-compilation))
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327 (bootstrap-other
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328 (mapcar #'(lambda (arg)
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329 (concat (update-elc-chop-extension
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330 (locate-library arg)) ".el"))
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331 lisp-files-needing-early-byte-compilation)))
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332 (setq inhibit-autoloads t)
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528
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333 ;; if bytecomp or byte-optimize need recompiling, then load
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334 ;; the .el version of them first, recompile them, and reload
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335 ;; the .elc versions to recompile everything else (so we won't
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336 ;; be waiting until the cows come home). we need to set
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337 ;; load-ignore-elc-files because byte-optimize gets autoloaded
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338 ;; from bytecomp.
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1261
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339 (let ((recompile-bc-bootstrap
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340 (apply #'nconc
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341 (mapcar
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342 #'(lambda (arg)
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343 (when (member arg update-elc-files-to-compile)
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344 (append '("-f" "batch-byte-compile-one-file")
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345 (list arg))))
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346 bc-bootstrap)))
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347 (recompile-bootstrap-other
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348 (apply #'nconc
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349 (mapcar
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350 #'(lambda (arg)
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351 (when (member arg update-elc-files-to-compile)
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352 (append '("-f" "batch-byte-compile-one-file")
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353 (list arg))))
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354 bootstrap-other))))
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355 (mapc-internal
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356 #'(lambda (arg)
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357 (setq update-elc-files-to-compile
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358 (delete arg update-elc-files-to-compile)))
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359 (append bc-bootstrap bootstrap-other))
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360 (setq command-line-args
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361 (append
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362 '("-l" "loadup-el.el" "run-temacs"
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363 "-batch" "-no-packages" "-no-autoloads"
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364 "-eval" "(setq stack-trace-on-error t)"
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365 "-eval" "(setq load-always-display-messages t)")
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366 (when recompile-bc-bootstrap
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367 (append
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368 '("-eval" "(setq load-ignore-elc-files t)"
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369 "-l" "bytecomp")
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370 recompile-bc-bootstrap
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371 '("-eval" "(setq load-ignore-elc-files nil)")))
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372 '("-l" "bytecomp")
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373 ;; likewise, recompile autoload.el etc. if out-of-date.
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374 recompile-bootstrap-other
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375 ;; then generate autoloads for lisp and maybe lisp/mule.
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376 do-autoload-commands
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377 ;; now load the autoloads and compile alles anderes.
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378 '("-eval" "(setq inhibit-autoloads nil)"
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379 "-f" "startup-load-autoloads"
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380 "-f" "batch-byte-compile")
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381 update-elc-files-to-compile
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382 ))))
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383
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384 ;;(print command-line-args)
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385 (load "loadup-el.el"))))
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428
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386
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387 (kill-emacs)
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388
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389 ;;; update-elc.el ends here
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