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1 ;;; update-elc.el --- Bytecompile out-of-date dumped files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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5
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6 ;; Author: Ben Wing <ben@xemacs.org>, Steven L Baur <steve@xemacs.org>
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7 ;; Maintainer: XEmacs Development Team
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8 ;; Keywords: internal
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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
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24 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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25 ;; Boston, MA 02111-1307, USA.
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26
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27 ;;; Synched up with: Not in FSF.
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28
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29 ;;; Commentary:
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30
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31 ;; Byte compile the .EL files necessary to dump out xemacs.
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32 ;; Use this file like this:
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33
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34 ;; temacs -batch -l ../lisp/update-elc.el $lisp
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35
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36 ;; where $lisp comes from the Makefile. .elc files listed in $lisp will
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37 ;; cause the corresponding .el file to be compiled. .el files listed in
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38 ;; $lisp will be ignored.
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39
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40 ;; (the idea here is that you can bootstrap if your .ELC files
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41 ;; are missing or badly out-of-date)
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42
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43 ;; See also update-elc-2.el
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44
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45 ;;; Code:
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46
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47 (defvar processed nil)
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48 (defvar update-elc-files-to-compile nil)
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49
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50 ;(setq update-elc-files-to-compile
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51 ; (delq nil
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52 ; (mapcar (function
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53 ; (lambda (x)
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54 ; (if (string-match "\.elc$" x)
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55 ; (let ((src (substring x 0 -1)))
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56 ; (if (file-newer-than-file-p src x)
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57 ; (progn
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58 ; (and (file-exists-p x)
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59 ; (null (file-writable-p x))
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60 ; (set-file-modes x (logior (file-modes x) 128)))
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61 ; src))))))
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62 ; ;; -batch gets filtered out.
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63 ; (nthcdr 3 command-line-args))))
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64
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65 (let ((build-root (expand-file-name ".." invocation-directory)))
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66 (setq load-path (list (expand-file-name "lisp" build-root))))
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67
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68 (load "very-early-lisp" nil t)
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69
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70 (load "find-paths.el")
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71 (load "packages.el")
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72 (load "setup-paths.el")
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73 (load "dump-paths.el")
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74
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75 (let ((autol (packages-list-autoloads (concat default-directory "../lisp"))))
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76 ;; (print (prin1-to-string autol))
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77 (while autol
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78 (let ((src (car autol)))
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79 (if (and (file-exists-p src)
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80 (file-newer-than-file-p src (concat src "c")))
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81 (setq update-elc-files-to-compile
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82 (cons src update-elc-files-to-compile))))
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83 (setq autol (cdr autol))))
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84
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85 ;; (print (prin1-to-string update-elc-files-to-compile))
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86
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87 (let (preloaded-file-list site-load-packages need-to-dump dumped-exe)
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88 (load (expand-file-name "../lisp/dumped-lisp.el"))
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89
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90 (setq dumped-exe
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91 (cond ((file-exists-p "../src/xemacs.exe") "../src/xemacs.exe")
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92 ((file-exists-p "../src/xemacs") "../src/xemacs")
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93 (t nil)))
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94
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95 ;; Path setup
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96 (let ((package-preloaded-file-list
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97 (packages-collect-package-dumped-lisps late-package-load-path)))
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98
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99 (setq preloaded-file-list
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100 (append package-preloaded-file-list
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101 preloaded-file-list
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102 '("bytecomp")
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103 packages-hardcoded-lisp)))
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104
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105 (load (concat default-directory "../site-packages") t t)
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106 (setq preloaded-file-list
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107 (append packages-hardcoded-lisp
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108 preloaded-file-list
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109 packages-useful-lisp
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110 site-load-packages))
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111 (while preloaded-file-list
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112 (let ((arg (car preloaded-file-list)))
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113 ;; (print (prin1-to-string arg))
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114
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115 ;; now check if .el or .elc is newer than the dumped exe.
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116 ;; if so, need to redump.
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117 (let ((frob
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118 (if (string-match "\\.elc?\\'" arg)
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119 (substring arg 0 (match-beginning 0))
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120 arg)))
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121 (when (and dumped-exe
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122 (or (and (file-exists-p
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123 (concat "../lisp/" frob ".el"))
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124 (file-newer-than-file-p
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125 (concat "../lisp/" frob ".el")
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126 dumped-exe))
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127 (and (file-exists-p
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128 (concat "../lisp/" frob ".elc"))
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129 (file-newer-than-file-p
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130 (concat "../lisp/" frob ".elc")
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131 dumped-exe))))
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132 (setq need-to-dump t)))
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133
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134 (if (null (member (file-name-nondirectory arg)
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135 packages-unbytecompiled-lisp))
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136 (progn
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137 (setq arg (locate-library arg))
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138 (if (null arg)
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139 (progn
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140 (print (format "Error: Library file %s not found"
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141 (car preloaded-file-list)))
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142 ;; Uncomment in case of trouble
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143 ;;(print (format "late-packages: %S" late-packages))
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144 ;;(print (format "guessed-roots: %S" (paths-find-emacs-roots invocation-directory invocation-name)))
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145 (kill-emacs)))
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146 (if (string-match "\\.elc?\\'" arg)
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147 (setq arg (substring arg 0 (match-beginning 0))))
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148 (if (and (null (member arg processed))
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149 (file-exists-p (concat arg ".el"))
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150 (file-newer-than-file-p (concat arg ".el")
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151 (concat arg ".elc")))
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152 (setq processed (cons (concat arg ".el") processed)))))
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153 (setq preloaded-file-list (cdr preloaded-file-list))))
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154
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155 (if need-to-dump
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156 (condition-case nil
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157 (write-region-internal "foo" nil "../src/NEEDTODUMP")
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158 (file-error nil)))
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159
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160 )
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161
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162 (setq update-elc-files-to-compile (append update-elc-files-to-compile
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163 processed))
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164
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165 ;; (print (prin1-to-string update-elc-files-to-compile))
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166
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167 (if update-elc-files-to-compile
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168 (progn
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169 (setq command-line-args
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170 (append '("-l" "loadup-el.el" "run-temacs"
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171 "-batch" "-q" "-no-site-file"
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172 "-l" "bytecomp" "-f" "batch-byte-compile")
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173 update-elc-files-to-compile))
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174 (load "loadup-el.el"))
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175 (condition-case nil
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176 (delete-file "../src/NOBYTECOMPILE")
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177 (file-error nil)))
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178
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179 (kill-emacs)
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180
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181 ;;; update-elc.el ends here
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