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annotate config.sub @ 209:4438569c1b02

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Merge the MSVC branch.
author John "Elwin" Edwards
date Fri, 27 Nov 2015 08:59:24 -0500
parents 49af2fd0bb0c
children
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1 #! /bin/sh
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2 # Configuration validation subroutine script.
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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 (in principle) common to ALL GNU software.
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10 # The presence of a machine in this file suggests that SOME GNU software
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11 # can handle that machine. It does not imply ALL GNU software can.
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12 #
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13 # This file is free software; you can redistribute it and/or modify
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14 # it under the terms of the GNU General Public License as published by
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15 # the Free Software Foundation; either version 2 of the License, or
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16 # (at your option) any later version.
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17 #
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18 # This program is distributed in the hope that it will be useful,
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19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 # GNU General Public License for more details.
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22 #
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23 # You should have received a copy of the GNU General Public License
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24 # along with this program; if not, write to the Free Software
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25 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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26 # 02110-1301, USA.
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27 #
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28 # As a special exception to the GNU General Public License, if you
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29 # distribute this file as part of a program that contains a
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30 # configuration script generated by Autoconf, you may include it under
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31 # the same distribution terms that you use for the rest of that program.
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32
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33
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34 # Please send patches to <config-patches@gnu.org>. Submit a context
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35 # diff and a properly formatted ChangeLog entry.
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36 #
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37 # Configuration subroutine to validate and canonicalize a configuration type.
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38 # Supply the specified configuration type as an argument.
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39 # If it is invalid, we print an error message on stderr and exit with code 1.
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40 # Otherwise, we print the canonical config type on stdout and succeed.
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41
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42 # This file is supposed to be the same for all GNU packages
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43 # and recognize all the CPU types, system types and aliases
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44 # that are meaningful with *any* GNU software.
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45 # Each package is responsible for reporting which valid configurations
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46 # it does not support. The user should be able to distinguish
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47 # a failure to support a valid configuration from a meaningless
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48 # configuration.
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49
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50 # The goal of this file is to map all the various variations of a given
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51 # machine specification into a single specification in the form:
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52 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
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53 # or in some cases, the newer four-part form:
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54 # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
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55 # It is wrong to echo any other type of specification.
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56
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57 me=`echo "$0" | sed -e 's,.*/,,'`
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58
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59 usage="\
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60 Usage: $0 [OPTION] CPU-MFR-OPSYS
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61 $0 [OPTION] ALIAS
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62
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63 Canonicalize a configuration name.
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64
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65 Operation modes:
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66 -h, --help print this help, then exit
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67 -t, --time-stamp print date of last modification, then exit
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68 -v, --version print version number, then exit
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69
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70 Report bugs and patches to <config-patches@gnu.org>."
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71
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72 version="\
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73 GNU config.sub ($timestamp)
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74
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75 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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76 Free Software Foundation, Inc.
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77
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78 This is free software; see the source for copying conditions. There is NO
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79 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
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80
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81 help="
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82 Try \`$me --help' for more information."
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83
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84 # Parse command line
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85 while test $# -gt 0 ; do
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86 case $1 in
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87 --time-stamp | --time* | -t )
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88 echo "$timestamp" ; exit ;;
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89 --version | -v )
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90 echo "$version" ; exit ;;
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91 --help | --h* | -h )
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92 echo "$usage"; exit ;;
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93 -- ) # Stop option processing
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94 shift; break ;;
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95 - ) # Use stdin as input.
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96 break ;;
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97 -* )
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98 echo "$me: invalid option $1$help"
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99 exit 1 ;;
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100
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101 *local*)
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102 # First pass through any local machine types.
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103 echo $1
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104 exit ;;
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