annotate lib-src/config.values.sh @ 5902:2dc8711af537

Make get_char_table in loop bodies more tolerable without optimization. 2015-05-08 Aidan Kehoe <kehoea@parhasard.net> * chartab.h (get_char_table): * chartab.h (get_char_table_mirrors_ok): New. Provide get_char_table_mirrors_ok, which differs from get_char_table only if ERROR_CHECK_TYPES is defined. Implement it, and get_char_table, using a macro wrapper of get_char_table_1, so that on builds without optimization each get_char_table no longer requires two C function calls. * chartab.c (updating_mirror_get_range_char_table): Use get_char_table_mirrors_ok. * syntax.h: Ditto.
author Aidan Kehoe <kehoea@parhasard.net>
date Fri, 08 May 2015 12:47:13 +0100
parents b9167d522a9a
children
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1 : #-*- Perl -*-
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2 eval 'exec perl -w -S $0 ${1+"$@"}' # Portability kludge
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3 if 0;
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4
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5 # config.values.sh --- create config.values.in from ../configure
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6
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7 # Copyright (C) 1997, 1999 Martin Buchholz
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8
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9 # Author: Martin Buchholz
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10 # Maintainer: Martin Buchholz
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11 # Keywords: configure elisp report-xemacs-bugs
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12
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13 # This file is part of XEmacs.
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14 #
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15 # XEmacs is free software: you can redistribute it and/or modify it
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16 # under the terms of the GNU General Public License as published by the
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17 # Free Software Foundation, either version 3 of the License, or (at your
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18 # option) any later version.
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19 #
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20 # XEmacs is distributed in the hope that it will be useful, but WITHOUT
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21 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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22 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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23 # for more details.
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24 #
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25 # You should have received a copy of the GNU General Public License
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26 # along with XEmacs. If not, see <http://www.gnu.org/licenses/>.
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27
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28 ### Commentary:
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29
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30 ## Extract all the @foo@ configuration symbols from ../configure
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31 ## to make them available to elisp later (see util/config.el)
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32 ## Primarily useful for creating ridiculously verbose bug reports.
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33 ##
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34 ## See lisp/config.el, ../configure.in,
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35 ## and the Autoconf documentation on AC_OUTPUT, for more details.
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36 ##
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37 ## This script needs only to be run occasionally (before a Net release)
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38 ## by an XEmacs Maintainer (consider yourself so blessed, if you are
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39 ## actually reading this commentary).
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40 ##
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41
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42 if (! -r "./configure") {
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43 chdir ".." or die "Can't chdir: $!";
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44 if (! -r "./configure") {
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45 die "Can't find configure!";
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46 }
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47 }
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48
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49 sub FileContents {
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50 local $/ = undef; # Slurp mode
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51 open (FILE, "< $_[0]") or die "$_[0]: $!";
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52 my $contents = <FILE>;
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53 close FILE or die "$_[0]: $!";
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54 return $contents;
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55 }
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56
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57 my $configure_contents = FileContents "./configure";
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58 my $cvi_contents = FileContents "lib-src/config.values.in";
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59
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60 my $new_cvi_contents =
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61 ";;; Do not edit this file!
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62 ;;; This file was automatically generated, by the config.values.sh script,
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63 ;;; from configure, which was itself automatically generated from configure.in.
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64 ;;;
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65 ;;; See lisp/config.el for details on how this file is used.
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66 ;;;
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67 ;;; You are trapped in a twisty maze of strange-looking files, all autogenerated...
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68
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69 ;;; configure is created, from configure.in, by autoconf
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70 ;;; config.values.in is created, from configure, by config.values.sh
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71 ;;; config.values is created, from config.values.in, by configure
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72 ;;; config.values is read by lisp/config.el,
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73 ;;; to create the (Lisp object) config-value-hash-table
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74
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75 ;;; Variables defined in configure by AC_SUBST follow:
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76 ;;; (These are used in Makefiles)
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77
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78 ";
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80 my %done;
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81 for my $var (sort { $a cmp $b }
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82 $configure_contents =~
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83 /^s\,\@([A-Za-z0-9_]+)\@\,\$[A-Za-z0-9_]+\,;t t/mg) {
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84 $new_cvi_contents .= "$var \"\@$var\@\"\n" unless exists $done{$var};
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85 $done{$var} = 1;
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86 }
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87
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88 $new_cvi_contents .= "
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89 ;;; Variables defined in configure by AC_DEFINE and AC_DEFINE_UNQUOTED follow:
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90 ;;; (These are used in C code)
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91
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92 ";
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93
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94 if ($cvi_contents ne $new_cvi_contents) {
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95 unlink "lib-src/config.values.in";
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96 open (CVI, "> lib-src/config.values.in")
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97 or die "lib-src/config.values.in: $!";
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98 print CVI $new_cvi_contents;
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99 close CVI
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100 or die "lib-src/config.values.in: $!";
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101 }