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1 ;;; update-elc.el --- Bytecompile out-of-date dumped files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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4 ;; Copyright (C) 1996 Unknown
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5
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6 ;; Maintainer: XEmacs Development Team
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7 ;; Keywords: internal
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the
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70
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23 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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24 ;; Boston, MA 02111-1307, USA.
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25
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26 ;;; Synched up with: Not in FSF.
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27
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28 ;;; Commentary:
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29
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30 ;; Byte compile the .EL files necessary to dump out xemacs.
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31 ;; Use this file like this:
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32 ;;
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33 ;; temacs -batch -l ../lisp/prim/update-elc.el $lisp
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34 ;;
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35 ;; where $lisp comes from the Makefile. .elc files listed in $lisp will
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36 ;; cause the corresponding .el file to be compiled. .el files listed in
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37 ;; $lisp will be ignored.
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38 ;;
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39 ;; (the idea here is that you can bootstrap if your .ELC files
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40 ;; are missing or badly out-of-date)
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41
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42 ;; Currently this code gets the list of files to check passed to it from
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43 ;; src/Makefile. This must be fixed. -slb
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44
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45 ;;; Code:
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46
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47 (setq update-elc-files-to-compile
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48 (delq nil
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49 (mapcar (function
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50 (lambda (x)
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51 (if (string-match "\.elc$" x)
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52 (let ((src (substring x 0 -1)))
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53 (if (file-newer-than-file-p src x)
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54 (progn
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55 (and (file-exists-p x)
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56 (null (file-writable-p x))
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57 (set-file-modes x (logior (file-modes x) 128)))
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58 src))))))
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59 ;; -batch gets filtered out.
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60 (nthcdr 3 command-line-args))))
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61
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62 (if update-elc-files-to-compile
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63 (progn
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64 (setq command-line-args
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65 (cons (car command-line-args)
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78
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66 (append
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67 '("-l" "loadup-el.el" "run-temacs"
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68 "-batch" "-q" "-no-site-file"
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69 "-l" "bytecomp" "-f" "batch-byte-compile")
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70 update-elc-files-to-compile)))
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71 (load "loadup-el.el")))
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72
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73 (kill-emacs)
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74
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75 ;;; update-elc.el ends here
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