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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=2009-04-28.21; # UTC |
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5 |
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6 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006, |
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7 # 2008, 2009 Free Software Foundation, Inc. |
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8 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. |
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9 |
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10 # This program is free software; you can redistribute it and/or modify |
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11 # it under the terms of the GNU General Public License as published by |
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12 # the Free Software Foundation; either version 2, or (at your option) |
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13 # any later version. |
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14 |
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15 # This program is distributed in the hope that it will be useful, |
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16 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 # GNU General Public License for more details. |
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19 |
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20 # You should have received a copy of the GNU General Public License |
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21 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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22 |
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23 # As a special exception to the GNU General Public License, if you |
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24 # distribute this file as part of a program that contains a |
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25 # configuration script generated by Autoconf, you may include it under |
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26 # the same distribution terms that you use for the rest of that program. |
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27 |
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28 if test $# -eq 0; then |
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29 echo 1>&2 "Try \`$0 --help' for more information" |
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30 exit 1 |
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31 fi |
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32 |
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33 run=: |
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34 sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' |
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35 sed_minuso='s/.* -o \([^ ]*\).*/\1/p' |
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36 |
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37 # In the cases where this matters, `missing' is being run in the |
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38 # srcdir already. |
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39 if test -f configure.ac; then |
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40 configure_ac=configure.ac |
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41 else |
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42 configure_ac=configure.in |
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43 fi |
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44 |
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45 msg="missing on your system" |
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46 |
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47 case $1 in |
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48 --run) |
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49 # Try to run requested program, and just exit if it succeeds. |
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50 run= |
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51 shift |
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52 "$@" && exit 0 |
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53 # Exit code 63 means version mismatch. This often happens |
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54 # when the user try to use an ancient version of a tool on |
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55 # a file that requires a minimum version. In this case we |
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56 # we should proceed has if the program had been absent, or |
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57 # if --run hadn't been passed. |
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58 if test $? = 63; then |
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59 run=: |
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60 msg="probably too old" |
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61 fi |
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62 ;; |
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63 |
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64 -h|--h|--he|--hel|--help) |
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65 echo "\ |
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66 $0 [OPTION]... PROGRAM [ARGUMENT]... |
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67 |
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68 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an |
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69 error status if there is no known handling for PROGRAM. |
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70 |
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71 Options: |
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72 -h, --help display this help and exit |
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73 -v, --version output version information and exit |
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74 --run try to run the given command, and emulate it if it fails |
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75 |
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76 Supported PROGRAM values: |
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77 aclocal touch file \`aclocal.m4' |
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78 autoconf touch file \`configure' |
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79 autoheader touch file \`config.h.in' |
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80 autom4te touch the output file, or create a stub one |
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81 automake touch all \`Makefile.in' files |
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82 bison create \`y.tab.[ch]', if possible, from existing .[ch] |
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83 flex create \`lex.yy.c', if possible, from existing .c |
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84 help2man touch the output file |
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85 lex create \`lex.yy.c', if possible, from existing .c |
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86 makeinfo touch the output file |
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87 tar try tar, gnutar, gtar, then tar without non-portable flags |
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88 yacc create \`y.tab.[ch]', if possible, from existing .[ch] |
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89 |
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90 Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and |
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91 \`g' are ignored when checking the name. |
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92 |
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93 Send bug reports to <bug-automake@gnu.org>." |
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94 exit $? |
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95 ;; |
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96 |
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97 -v|--v|--ve|--ver|--vers|--versi|--versio|--version) |
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98 echo "missing $scriptversion (GNU Automake)" |
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99 exit $? |
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100 ;; |
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101 |
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102 -*) |
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103 echo 1>&2 "$0: Unknown \`$1' option" |
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104 echo 1>&2 "Try \`$0 --help' for more information" |
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105 exit 1 |
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106 ;; |
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107 |
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108 esac |
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109 |
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110 # normalize program name to check for. |
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111 program=`echo "$1" | sed ' |
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112 s/^gnu-//; t |
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113 s/^gnu//; t |
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114 s/^g//; t'` |
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115 |
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116 # Now exit if we have it, but it failed. Also exit now if we |
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117 # don't have it and --version was passed (most likely to detect |
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118 # the program). This is about non-GNU programs, so use $1 not |
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119 # $program. |
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120 case $1 in |
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121 lex*|yacc*) |
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122 # Not GNU programs, they don't have --version. |
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123 ;; |
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124 |
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125 tar*) |
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126 if test -n "$run"; then |
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127 echo 1>&2 "ERROR: \`tar' requires --run" |
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128 exit 1 |
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129 elif test "x$2" = "x--version" || test "x$2" = "x--help"; then |
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130 exit 1 |
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131 fi |
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132 ;; |
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133 |
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134 *) |
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135 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then |
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136 # We have it, but it failed. |
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137 exit 1 |
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138 elif test "x$2" = "x--version" || test "x$2" = "x--help"; then |
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139 # Could not run --version or --help. This is probably someone |
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140 # running `$TOOL --version' or `$TOOL --help' to check whether |
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141 # $TOOL exists and not knowing $TOOL uses missing. |
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142 exit 1 |
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143 fi |
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144 ;; |
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145 esac |
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146 |
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147 # If it does not exist, or fails to run (possibly an outdated version), |
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148 # try to emulate it. |
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149 case $program in |
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150 aclocal*) |
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151 echo 1>&2 "\ |
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152 WARNING: \`$1' is $msg. You should only need it if |
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153 you modified \`acinclude.m4' or \`${configure_ac}'. You might want |
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154 to install the \`Automake' and \`Perl' packages. Grab them from |
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155 any GNU archive site." |
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156 touch aclocal.m4 |
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157 ;; |
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158 |
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159 autoconf*) |
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160 echo 1>&2 "\ |
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161 WARNING: \`$1' is $msg. You should only need it if |
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162 you modified \`${configure_ac}'. You might want to install the |
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163 \`Autoconf' and \`GNU m4' packages. Grab them from any GNU |
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164 archive site." |
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165 touch configure |
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166 ;; |
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167 |
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168 autoheader*) |
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169 echo 1>&2 "\ |
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170 WARNING: \`$1' is $msg. You should only need it if |
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171 you modified \`acconfig.h' or \`${configure_ac}'. You might want |
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172 to install the \`Autoconf' and \`GNU m4' packages. Grab them |
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173 from any GNU archive site." |
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174 files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` |
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175 test -z "$files" && files="config.h" |
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176 touch_files= |
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177 for f in $files; do |
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178 case $f in |
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179 *:*) touch_files="$touch_files "`echo "$f" | |
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180 sed -e 's/^[^:]*://' -e 's/:.*//'`;; |
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181 *) touch_files="$touch_files $f.in";; |
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182 esac |
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183 done |
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184 touch $touch_files |
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185 ;; |
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186 |
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187 automake*) |
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188 echo 1>&2 "\ |
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189 WARNING: \`$1' is $msg. You should only need it if |
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190 you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'. |
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191 You might want to install the \`Automake' and \`Perl' packages. |
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192 Grab them from any GNU archive site." |
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193 find . -type f -name Makefile.am -print | |
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194 sed 's/\.am$/.in/' | |
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195 while read f; do touch "$f"; done |
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196 ;; |
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197 |
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198 autom4te*) |
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199 echo 1>&2 "\ |
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200 WARNING: \`$1' is needed, but is $msg. |
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201 You might have modified some files without having the |
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202 proper tools for further handling them. |
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203 You can get \`$1' as part of \`Autoconf' from any GNU |
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204 archive site." |
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205 |
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206 file=`echo "$*" | sed -n "$sed_output"` |
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207 test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` |
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208 if test -f "$file"; then |
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209 touch $file |
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210 else |
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211 test -z "$file" || exec >$file |
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212 echo "#! /bin/sh" |
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213 echo "# Created by GNU Automake missing as a replacement of" |
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214 echo "# $ $@" |
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215 echo "exit 0" |
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216 chmod +x $file |
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217 exit 1 |
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218 fi |
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219 ;; |
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220 |
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221 bison*|yacc*) |
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222 echo 1>&2 "\ |
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223 WARNING: \`$1' $msg. You should only need it if |
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224 you modified a \`.y' file. You may need the \`Bison' package |
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225 in order for those modifications to take effect. You can get |
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226 \`Bison' from any GNU archive site." |
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227 rm -f y.tab.c y.tab.h |
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228 if test $# -ne 1; then |
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229 eval LASTARG="\${$#}" |
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230 case $LASTARG in |
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231 *.y) |
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232 SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` |
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233 if test -f "$SRCFILE"; then |
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234 cp "$SRCFILE" y.tab.c |
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235 fi |
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236 SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` |
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237 if test -f "$SRCFILE"; then |
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238 cp "$SRCFILE" y.tab.h |
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239 fi |
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240 ;; |
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241 esac |
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242 fi |
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243 if test ! -f y.tab.h; then |
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244 echo >y.tab.h |
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245 fi |
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246 if test ! -f y.tab.c; then |
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247 echo 'main() { return 0; }' >y.tab.c |
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248 fi |
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249 ;; |
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250 |
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251 lex*|flex*) |
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252 echo 1>&2 "\ |
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253 WARNING: \`$1' is $msg. You should only need it if |
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254 you modified a \`.l' file. You may need the \`Flex' package |
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255 in order for those modifications to take effect. You can get |
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256 \`Flex' from any GNU archive site." |
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257 rm -f lex.yy.c |
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258 if test $# -ne 1; then |
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259 eval LASTARG="\${$#}" |
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260 case $LASTARG in |
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261 *.l) |
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262 SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` |
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263 if test -f "$SRCFILE"; then |
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264 cp "$SRCFILE" lex.yy.c |
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265 fi |
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266 ;; |
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267 esac |
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268 fi |
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269 if test ! -f lex.yy.c; then |
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270 echo 'main() { return 0; }' >lex.yy.c |
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271 fi |
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272 ;; |
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273 |
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274 help2man*) |
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275 echo 1>&2 "\ |
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276 WARNING: \`$1' is $msg. You should only need it if |
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277 you modified a dependency of a manual page. You may need the |
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278 \`Help2man' package in order for those modifications to take |
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279 effect. You can get \`Help2man' from any GNU archive site." |
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280 |
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281 file=`echo "$*" | sed -n "$sed_output"` |
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282 test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` |
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283 if test -f "$file"; then |
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284 touch $file |
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285 else |
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286 test -z "$file" || exec >$file |
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287 echo ".ab help2man is required to generate this page" |
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288 exit $? |
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289 fi |
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290 ;; |
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291 |
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292 makeinfo*) |
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293 echo 1>&2 "\ |
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294 WARNING: \`$1' is $msg. You should only need it if |
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295 you modified a \`.texi' or \`.texinfo' file, or any other file |
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296 indirectly affecting the aspect of the manual. The spurious |
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297 call might also be the consequence of using a buggy \`make' (AIX, |
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298 DU, IRIX). You might want to install the \`Texinfo' package or |
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299 the \`GNU make' package. Grab either from any GNU archive site." |
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300 # The file to touch is that specified with -o ... |
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301 file=`echo "$*" | sed -n "$sed_output"` |
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302 test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` |
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303 if test -z "$file"; then |
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304 # ... or it is the one specified with @setfilename ... |
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305 infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` |
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306 file=`sed -n ' |
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307 /^@setfilename/{ |
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308 s/.* \([^ ]*\) *$/\1/ |
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309 p |
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310 q |
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311 }' $infile` |
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312 # ... or it is derived from the source name (dir/f.texi becomes f.info) |
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313 test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info |
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314 fi |
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315 # If the file does not exist, the user really needs makeinfo; |
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316 # let's fail without touching anything. |
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317 test -f $file || exit 1 |
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318 touch $file |
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319 ;; |
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320 |
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321 tar*) |
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322 shift |
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323 |
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324 # We have already tried tar in the generic part. |
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325 # Look for gnutar/gtar before invocation to avoid ugly error |
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326 # messages. |
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327 if (gnutar --version > /dev/null 2>&1); then |
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328 gnutar "$@" && exit 0 |
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329 fi |
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330 if (gtar --version > /dev/null 2>&1); then |
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331 gtar "$@" && exit 0 |
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332 fi |
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333 firstarg="$1" |
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334 if shift; then |
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335 case $firstarg in |
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336 *o*) |
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337 firstarg=`echo "$firstarg" | sed s/o//` |
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338 tar "$firstarg" "$@" && exit 0 |
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339 ;; |
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340 esac |
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341 case $firstarg in |
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342 *h*) |
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343 firstarg=`echo "$firstarg" | sed s/h//` |
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344 tar "$firstarg" "$@" && exit 0 |
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345 ;; |
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346 esac |
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347 fi |
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348 |
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349 echo 1>&2 "\ |
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350 WARNING: I can't seem to be able to run \`tar' with the given arguments. |
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351 You may want to install GNU tar or Free paxutils, or check the |
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352 command line arguments." |
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353 exit 1 |
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354 ;; |
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355 |
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356 *) |
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357 echo 1>&2 "\ |
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358 WARNING: \`$1' is needed, and is $msg. |
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359 You might have modified some files without having the |
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360 proper tools for further handling them. Check the \`README' file, |
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361 it often tells you about the needed prerequisites for installing |
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362 this package. You may also peek at any GNU archive site, in case |
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363 some other package would contain this missing \`$1' program." |
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364 exit 1 |
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365 ;; |
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366 esac |
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367 |
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368 exit 0 |
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369 |
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370 # Local variables: |
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371 # eval: (add-hook 'write-file-hooks 'time-stamp) |
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372 # time-stamp-start: "scriptversion=" |
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373 # time-stamp-format: "%:y-%02m-%02d.%02H" |
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374 # time-stamp-time-zone: "UTC" |
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375 # time-stamp-end: "; # UTC" |
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376 # End: |