annotate lib-src/make-dump-id.c @ 1303:f99d3d25df86

[xemacs-hg @ 2003-02-15 10:15:54 by ben] autoload fixes, make-doc speed improvements Makefile.in.in: Run update-elc-2 with -no-autoloads to avoid multiple autoload-loading problem. configure.usage: Document quick-build better. make-docfile.el: Use `message' (defined in this file) in place of `princ'/`print', and put in a terpri, so that we get correct newline behavior. Rewrite if-progn -> when and a few similar stylistic niceties. And the big change: Allow MS Windows to specify the object files directly and frob them into C files here (formerly this was done in xemacs.mak, and very slooooooooooooooooooowly). Due to line-length limitations in CMD, we need to use a "response file" to hold the arguments, so when we see a response file argument (preceded by an @), read in the args (a bit of trickiness to do this), and process recursively. Also frob .obj -> .c as mentioned earlier and handle other junk dependencies that need to be removed (NEEDTODUMP, make-docfile.exe). update-elc-2.el: Use :test `equal' in call to set-difference. update-elc.el: Put back commented out kill-emacs, update header comment. xemacs.mak: Delete old unused code that checks SATISFIED. Move update-elc-2 up to be near update-elc. Run update-elc-2 with -no-autoloads to avoid multiple autoload-loading problem. Don't compute make-docfile args ourselves. Pass the raw objects to make-docfile.el, which does the computation (much faster than we could). Don't delete the DOC file, split the invocation into two calls to make-docfile.exe (one direct, one through make-docfile.el), etc. In general, all we do is call make-docfile. Add proper dependencies for DOC-file rebuilding so it doesn't get done when not necessary. Implement quick-building here: not building the DOC file unless it doesn't exist, as the quick-build docs say. Makefile.in.in: Don't delete the DOC file. Implement quick-building here: not building the DOC file unless it doesn't exist, as the quick-build docs say. config.h.in, emacs.c: Nothing but niggly spacing changes -- one space before a paren starting a function-call arglist, please.
author ben
date Sat, 15 Feb 2003 10:16:14 +0000
parents 223736d75acb
children 8bae4d6cdd10
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1 /* Generate a unique dump-id for use with the portable dumper.
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2 Copyright (C) 2000 Olivier Galibert, Martin Buchholz
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 #include <config.h>
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22 #include <stdio.h>
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23 #include <stdlib.h>
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24 #include "../src/systime.h"
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25
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26 #ifdef WIN32_NATIVE
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27 #include <sys/timeb.h>
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28
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29 /* Emulate gettimeofday (Ulrich Leodolter, 1/11/95). */
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30 void
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31 gettimeofday (struct timeval *tv, struct timezone *tz)
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32 {
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33 struct _timeb tb;
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34 _ftime (&tb);
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35
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36 tv->tv_sec = tb.time;
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37 tv->tv_usec = tb.millitm * 1000L;
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38 if (tz)
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39 {
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40 tz->tz_minuteswest = tb.timezone; /* minutes west of Greenwich */
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41 tz->tz_dsttime = tb.dstflag; /* type of dst correction */
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42 }
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43 }
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44 #endif
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45
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46 /* Generates an (extremely) pseudo random number for the dump-id */
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47 static unsigned int
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48 generate_dump_id (void)
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49 {
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50 EMACS_TIME thyme;
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51 EMACS_GET_TIME (thyme);
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52
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53 return (unsigned int) (EMACS_SECS (thyme) ^ EMACS_USECS (thyme));
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54 }
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55
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56 int
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57 main (int argc, char *argv[])
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58 {
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59 FILE *f;
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60
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61 if ((f = fopen ("dump-id.c", "w")) == NULL)
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62 {
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63 perror ("open dump-id.c");
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64 return EXIT_FAILURE;
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65 }
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66
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67 fprintf (f, "unsigned int dump_id = %uU;\n", generate_dump_id ());
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68
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69 if ((fclose (f)) != 0)
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70 {
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71 perror ("close dump-id.c");
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72 return EXIT_FAILURE;
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73 }
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74
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75 return EXIT_SUCCESS;
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76 }