1 | #! /bin/sh |
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2 | # Common stub for a few missing GNU programs while installing. |
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3 | |
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4 | scriptversion=2012-01-06.18; # UTC |
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5 | |
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6 | # Copyright (C) 1996-2012 Free Software Foundation, Inc. |
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7 | # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. |
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8 | |
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9 | # This program is free software; you can redistribute it and/or modify |
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10 | # it under the terms of the GNU General Public License as published by |
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11 | # the Free Software Foundation; either version 2, or (at your option) |
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12 | # 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, |
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15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | # GNU 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, see <http://www.gnu.org/licenses/>. |
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21 | |
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22 | # As a special exception to the GNU General Public License, if you |
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23 | # distribute this file as part of a program that contains a |
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24 | # configuration script generated by Autoconf, you may include it under |
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25 | # the same distribution terms that you use for the rest of that program. |
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26 | |
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27 | if test $# -eq 0; then |
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28 | echo 1>&2 "Try '$0 --help' for more information" |
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29 | exit 1 |
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30 | fi |
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31 | |
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32 | run=: |
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33 | sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' |
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34 | sed_minuso='s/.* -o \([^ ]*\).*/\1/p' |
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35 | |
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36 | # In the cases where this matters, 'missing' is being run in the |
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37 | # srcdir already. |
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38 | if test -f configure.ac; then |
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39 | configure_ac=configure.ac |
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40 | else |
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41 | configure_ac=configure.in |
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42 | fi |
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43 | |
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44 | msg="missing on your system" |
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45 | |
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46 | case $1 in |
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47 | --run) |
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48 | # Try to run requested program, and just exit if it succeeds. |
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49 | run= |
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50 | shift |
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51 | "$@" && exit 0 |
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52 | # Exit code 63 means version mismatch. This often happens |
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53 | # when the user try to use an ancient version of a tool on |
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54 | # a file that requires a minimum version. In this case we |
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55 | # we should proceed has if the program had been absent, or |
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56 | # if --run hadn't been passed. |
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57 | if test $? = 63; then |
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58 | run=: |
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59 | msg="probably too old" |
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60 | fi |
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61 | ;; |
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62 | |
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63 | -h|--h|--he|--hel|--help) |
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64 | echo "\ |
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65 | $0 [OPTION]... PROGRAM [ARGUMENT]... |
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66 | |
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67 | Handle 'PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an |
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68 | error status if there is no known handling for PROGRAM. |
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69 | |
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70 | Options: |
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71 | -h, --help display this help and exit |
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72 | -v, --version output version information and exit |
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73 | --run try to run the given command, and emulate it if it fails |
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74 | |
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75 | Supported PROGRAM values: |
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76 | aclocal touch file 'aclocal.m4' |
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77 | autoconf touch file 'configure' |
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78 | autoheader touch file 'config.h.in' |
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79 | autom4te touch the output file, or create a stub one |
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80 | automake touch all 'Makefile.in' files |
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81 | bison create 'y.tab.[ch]', if possible, from existing .[ch] |
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82 | flex create 'lex.yy.c', if possible, from existing .c |
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83 | help2man touch the output file |
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84 | lex create 'lex.yy.c', if possible, from existing .c |
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85 | makeinfo touch the output file |
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86 | yacc create 'y.tab.[ch]', if possible, from existing .[ch] |
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87 | |
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88 | Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and |
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89 | 'g' are ignored when checking the name. |
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90 | |
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91 | Send bug reports to <bug-automake@gnu.org>." |
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92 | exit $? |
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93 | ;; |
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94 | |
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95 | -v|--v|--ve|--ver|--vers|--versi|--versio|--version) |
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96 | echo "missing $scriptversion (GNU Automake)" |
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97 | exit $? |
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98 | ;; |
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99 | |
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100 | -*) |
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101 | echo 1>&2 "$0: Unknown '$1' option" |
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102 | echo 1>&2 "Try '$0 --help' for more information" |
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103 | exit 1 |
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104 | ;; |
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105 | |
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106 | esac |
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107 | |
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108 | # normalize program name to check for. |
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109 | program=`echo "$1" | sed ' |
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110 | s/^gnu-//; t |
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111 | s/^gnu//; t |
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112 | s/^g//; t'` |
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113 | |
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114 | # Now exit if we have it, but it failed. Also exit now if we |
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115 | # don't have it and --version was passed (most likely to detect |
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116 | # the program). This is about non-GNU programs, so use $1 not |
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117 | # $program. |
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118 | case $1 in |
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119 | lex*|yacc*) |
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120 | # Not GNU programs, they don't have --version. |
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121 | ;; |
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122 | |
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123 | *) |
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124 | if test -z "$run" && ($1 --version) > /dev/null 2>&1; then |
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125 | # We have it, but it failed. |
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126 | exit 1 |
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127 | elif test "x$2" = "x--version" || test "x$2" = "x--help"; then |
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128 | # Could not run --version or --help. This is probably someone |
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129 | # running '$TOOL --version' or '$TOOL --help' to check whether |
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130 | # $TOOL exists and not knowing $TOOL uses missing. |
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131 | exit 1 |
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132 | fi |
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133 | ;; |
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134 | esac |
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135 | |
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136 | # If it does not exist, or fails to run (possibly an outdated version), |
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137 | # try to emulate it. |
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138 | case $program in |
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139 | aclocal*) |
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140 | echo 1>&2 "\ |
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141 | WARNING: '$1' is $msg. You should only need it if |
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142 | you modified 'acinclude.m4' or '${configure_ac}'. You might want |
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143 | to install the Automake and Perl packages. Grab them from |
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144 | any GNU archive site." |
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145 | touch aclocal.m4 |
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146 | ;; |
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147 | |
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148 | autoconf*) |
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149 | echo 1>&2 "\ |
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150 | WARNING: '$1' is $msg. You should only need it if |
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151 | you modified '${configure_ac}'. You might want to install the |
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152 | Autoconf and GNU m4 packages. Grab them from any GNU |
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153 | archive site." |
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154 | touch configure |
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155 | ;; |
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156 | |
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157 | autoheader*) |
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158 | echo 1>&2 "\ |
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159 | WARNING: '$1' is $msg. You should only need it if |
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160 | you modified 'acconfig.h' or '${configure_ac}'. You might want |
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161 | to install the Autoconf and GNU m4 packages. Grab them |
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162 | from any GNU archive site." |
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163 | files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` |
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164 | test -z "$files" && files="config.h" |
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165 | touch_files= |
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166 | for f in $files; do |
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167 | case $f in |
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168 | *:*) touch_files="$touch_files "`echo "$f" | |
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169 | sed -e 's/^[^:]*://' -e 's/:.*//'`;; |
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170 | *) touch_files="$touch_files $f.in";; |
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171 | esac |
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172 | done |
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173 | touch $touch_files |
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174 | ;; |
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175 | |
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176 | automake*) |
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177 | echo 1>&2 "\ |
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178 | WARNING: '$1' is $msg. You should only need it if |
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179 | you modified 'Makefile.am', 'acinclude.m4' or '${configure_ac}'. |
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180 | You might want to install the Automake and Perl packages. |
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181 | Grab them from any GNU archive site." |
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182 | find . -type f -name Makefile.am -print | |
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183 | sed 's/\.am$/.in/' | |
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184 | while read f; do touch "$f"; done |
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185 | ;; |
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186 | |
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187 | autom4te*) |
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188 | echo 1>&2 "\ |
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189 | WARNING: '$1' is needed, but is $msg. |
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190 | You might have modified some files without having the |
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191 | proper tools for further handling them. |
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192 | You can get '$1' as part of Autoconf from any GNU |
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193 | archive site." |
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194 | |
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195 | file=`echo "$*" | sed -n "$sed_output"` |
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196 | test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` |
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197 | if test -f "$file"; then |
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198 | touch $file |
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199 | else |
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200 | test -z "$file" || exec >$file |
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201 | echo "#! /bin/sh" |
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202 | echo "# Created by GNU Automake missing as a replacement of" |
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203 | echo "# $ $@" |
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204 | echo "exit 0" |
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205 | chmod +x $file |
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206 | exit 1 |
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207 | fi |
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208 | ;; |
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209 | |
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210 | bison*|yacc*) |
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211 | echo 1>&2 "\ |
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212 | WARNING: '$1' $msg. You should only need it if |
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213 | you modified a '.y' file. You may need the Bison package |
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214 | in order for those modifications to take effect. You can get |
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215 | Bison from any GNU archive site." |
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216 | rm -f y.tab.c y.tab.h |
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217 | if test $# -ne 1; then |
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218 | eval LASTARG=\${$#} |
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219 | case $LASTARG in |
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220 | *.y) |
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221 | SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` |
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222 | if test -f "$SRCFILE"; then |
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223 | cp "$SRCFILE" y.tab.c |
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224 | fi |
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225 | SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` |
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226 | if test -f "$SRCFILE"; then |
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227 | cp "$SRCFILE" y.tab.h |
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228 | fi |
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229 | ;; |
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230 | esac |
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231 | fi |
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232 | if test ! -f y.tab.h; then |
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233 | echo >y.tab.h |
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234 | fi |
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235 | if test ! -f y.tab.c; then |
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236 | echo 'main() { return 0; }' >y.tab.c |
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237 | fi |
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238 | ;; |
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239 | |
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240 | lex*|flex*) |
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241 | echo 1>&2 "\ |
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242 | WARNING: '$1' is $msg. You should only need it if |
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243 | you modified a '.l' file. You may need the Flex package |
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244 | in order for those modifications to take effect. You can get |
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245 | Flex from any GNU archive site." |
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246 | rm -f lex.yy.c |
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247 | if test $# -ne 1; then |
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248 | eval LASTARG=\${$#} |
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249 | case $LASTARG in |
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250 | *.l) |
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251 | SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` |
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252 | if test -f "$SRCFILE"; then |
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253 | cp "$SRCFILE" lex.yy.c |
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254 | fi |
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255 | ;; |
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256 | esac |
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257 | fi |
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258 | if test ! -f lex.yy.c; then |
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259 | echo 'main() { return 0; }' >lex.yy.c |
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260 | fi |
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261 | ;; |
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262 | |
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263 | help2man*) |
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264 | echo 1>&2 "\ |
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265 | WARNING: '$1' is $msg. You should only need it if |
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266 | you modified a dependency of a manual page. You may need the |
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267 | Help2man package in order for those modifications to take |
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268 | effect. You can get Help2man from any GNU archive site." |
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269 | |
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270 | file=`echo "$*" | sed -n "$sed_output"` |
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271 | test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` |
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272 | if test -f "$file"; then |
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273 | touch $file |
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274 | else |
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275 | test -z "$file" || exec >$file |
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276 | echo ".ab help2man is required to generate this page" |
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277 | exit $? |
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278 | fi |
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279 | ;; |
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280 | |
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281 | makeinfo*) |
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282 | echo 1>&2 "\ |
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283 | WARNING: '$1' is $msg. You should only need it if |
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284 | you modified a '.texi' or '.texinfo' file, or any other file |
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285 | indirectly affecting the aspect of the manual. The spurious |
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286 | call might also be the consequence of using a buggy 'make' (AIX, |
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287 | DU, IRIX). You might want to install the Texinfo package or |
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288 | the GNU make package. Grab either from any GNU archive site." |
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289 | # The file to touch is that specified with -o ... |
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290 | file=`echo "$*" | sed -n "$sed_output"` |
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291 | test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` |
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292 | if test -z "$file"; then |
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293 | # ... or it is the one specified with @setfilename ... |
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294 | infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` |
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295 | file=`sed -n ' |
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296 | /^@setfilename/{ |
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297 | s/.* \([^ ]*\) *$/\1/ |
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298 | p |
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299 | q |
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300 | }' $infile` |
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301 | # ... or it is derived from the source name (dir/f.texi becomes f.info) |
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302 | test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info |
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303 | fi |
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304 | # If the file does not exist, the user really needs makeinfo; |
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305 | # let's fail without touching anything. |
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306 | test -f $file || exit 1 |
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307 | touch $file |
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308 | ;; |
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309 | |
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310 | *) |
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311 | echo 1>&2 "\ |
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312 | WARNING: '$1' is needed, and is $msg. |
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313 | You might have modified some files without having the |
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314 | proper tools for further handling them. Check the 'README' file, |
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315 | it often tells you about the needed prerequisites for installing |
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316 | this package. You may also peek at any GNU archive site, in case |
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317 | some other package would contain this missing '$1' program." |
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318 | exit 1 |
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319 | ;; |
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320 | esac |
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321 | |
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322 | exit 0 |
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323 | |
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324 | # Local variables: |
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325 | # eval: (add-hook 'write-file-hooks 'time-stamp) |
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326 | # time-stamp-start: "scriptversion=" |
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327 | # time-stamp-format: "%:y-%02m-%02d.%02H" |
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328 | # time-stamp-time-zone: "UTC" |
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329 | # time-stamp-end: "; # UTC" |
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330 | # End: |
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