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annotate config.guess @ 212:12e070d1a780

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rogue3: replace alarm() calls with a portable function. Calls to alarm() in main.c are replaced with md_start_checkout_timer(), so the #ifdefs around nonportable code can be confined to mdport.c.
author John "Elwin" Edwards
date Fri, 22 Jan 2016 19:19:48 -0500
parents 49af2fd0bb0c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /bin/sh
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2 # Attempt to guess a canonical system name.
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3 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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4 # 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
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5 # Inc.
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6
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7 timestamp='2006-07-02'
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8
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9 # This file is free software; you can redistribute it and/or modify it
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10 # under the terms of the GNU General Public License as published by
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11 # the Free Software Foundation; either version 2 of the License, or
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12 # (at your option) any later version.
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13 #
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14 # This program is distributed in the hope that it will be useful, but
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15 # WITHOUT ANY WARRANTY; without even the implied warranty of
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 # General Public License for more details.
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18 #
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19 # You should have received a copy of the GNU General Public License
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20 # along with this program; if not, write to the Free Software
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21 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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22 # 02110-1301, USA.
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23 #
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24 # As a special exception to the GNU General Public License, if you
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25 # distribute this file as part of a program that contains a
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26 # configuration script generated by Autoconf, you may include it under
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27 # the same distribution terms that you use for the rest of that program.
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28
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29
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30 # Originally written by Per Bothner <per@bothner.com>.
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31 # Please send patches to <config-patches@gnu.org>. Submit a context
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32 # diff and a properly formatted ChangeLog entry.
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33 #
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34 # This script attempts to guess a canonical system name similar to
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35 # config.sub. If it succeeds, it prints the system name on stdout, and
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36 # exits with 0. Otherwise, it exits with 1.
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37 #
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38 # The plan is that this can be called by configure scripts if you
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39 # don't specify an explicit build system type.
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40
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41 me=`echo "$0" | sed -e 's,.*/,,'`
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42
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43 usage="\
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44 Usage: $0 [OPTION]
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45
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46 Output the configuration name of the system \`$me' is run on.
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47
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48 Operation modes:
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49 -h, --help print this help, then exit
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50 -t, --time-stamp print date of last modification, then exit
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51 -v, --version print version number, then exit
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52
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53 Report bugs and patches to <config-patches@gnu.org>."
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54
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55 version="\
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56 GNU config.guess ($timestamp)
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57
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58 Originally written by Per Bothner.
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59 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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60 Free Software Foundation, Inc.
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61
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62 This is free software; see the source for copying conditions. There is NO
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63 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
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64
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65 help="
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66 Try \`$me --help' for more information."
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67
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68 # Parse command line
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69 while test $# -gt 0 ; do
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70 case $1 in
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71 --time-stamp | --time* | -t )
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72 echo "$timestamp" ; exit ;;
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73 --version | -v )
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74 echo "$version" ; exit ;;
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75 --help | --h* | -h )
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76 echo "$usage"; exit ;;
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77 -- ) # Stop option processing
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78 shift; break ;;
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79 - ) # Use stdin as input.
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80 break ;;
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81 -* )
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82 echo "$me: invalid option $1$help" >&2
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83 exit 1 ;;
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84 * )
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85 break ;;
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86 esac
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87 done
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88
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89 if test $# != 0; then
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90 echo "$me: too many arguments$help" >&2
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91 exit 1
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92 fi
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93
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94 trap 'exit 1' 1 2 15
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95
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96 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a
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97 # compiler to aid in system detection is discouraged as it requires
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98 # temporary files to be created and, as you can see below, it is a
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99 # headache to deal with in a portable fashion.
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100
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101 # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
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102 # use `HOST_CC' if defined, but it is deprecated.
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103
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104 # Portable tmp directory creation inspired by the Autoconf team.