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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 # Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
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4 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
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5
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6 # This program is free software; you can redistribute it and/or modify
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7 # it under the terms of the GNU General Public License as published by
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8 # the Free Software Foundation; either version 2, or (at your option)
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9 # any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU General Public License for more details.
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15
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16 # You should have received a copy of the GNU General Public License
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17 # along with this program; if not, write to the Free Software
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18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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19 # 02111-1307, USA.
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20
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21 # As a special exception to the GNU General Public License, if you
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22 # distribute this file as part of a program that contains a
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23 # configuration script generated by Autoconf, you may include it under
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24 # the same distribution terms that you use for the rest of that program.
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25
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26 if test $# -eq 0; then
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27 echo 1>&2 "Try \`$0 --help' for more information"
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28 exit 1
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29 fi
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30
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31 run=:
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32
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33 # In the cases where this matters, `missing' is being run in the
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34 # srcdir already.
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35 if test -f configure.ac; then
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36 configure_ac=configure.ac
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37 else
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38 configure_ac=configure.in
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39 fi
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40
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41 case "$1" in
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42 --run)
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43 # Try to run requested program, and just exit if it succeeds.
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44 run=
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45 shift
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46 "$@" && exit 0
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47 ;;
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48 esac
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49
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50 # If it does not exist, or fails to run (possibly an outdated version),
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51 # try to emulate it.
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52 case "$1" in
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53
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54 -h|--h|--he|--hel|--help)
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55 echo "\
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56 $0 [OPTION]... PROGRAM [ARGUMENT]...
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57
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58 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
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59 error status if there is no known handling for PROGRAM.
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60
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61 Options:
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62 -h, --help display this help and exit
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63 -v, --version output version information and exit
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64 --run try to run the given command, and emulate it if it fails
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65
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66 Supported PROGRAM values:
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67 aclocal touch file \`aclocal.m4'
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68 autoconf touch file \`configure'
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69 autoheader touch file \`config.h.in'
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70 automake touch all \`Makefile.in' files
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71 bison create \`y.tab.[ch]', if possible, from existing .[ch]
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72 flex create \`lex.yy.c', if possible, from existing .c
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73 help2man touch the output file
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74 lex create \`lex.yy.c', if possible, from existing .c
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75 makeinfo touch the output file
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76 tar try tar, gnutar, gtar, then tar without non-portable flags
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77 yacc create \`y.tab.[ch]', if possible, from existing .[ch]"
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78 ;;
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79
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80 -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
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81 echo "missing 0.4 - GNU automake"
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82 ;;
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83
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84 -*)
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85 echo 1>&2 "$0: Unknown \`$1' option"
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86 echo 1>&2 "Try \`$0 --help' for more information"
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87 exit 1
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88 ;;
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89
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90 aclocal*)
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91 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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92 # We have it, but it failed.
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93 exit 1
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94 fi
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95
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96 echo 1>&2 "\
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97 WARNING: \`$1' is missing on your system. You should only need it if
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98 you modified \`acinclude.m4' or \`${configure_ac}'. You might want
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99 to install the \`Automake' and \`Perl' packages. Grab them from
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100 any GNU archive site."
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101 touch aclocal.m4
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102 ;;
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103
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104 autoconf)
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105 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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106 # We have it, but it failed.
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107 exit 1
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108 fi
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109
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110 echo 1>&2 "\
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111 WARNING: \`$1' is missing on your system. You should only need it if
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112 you modified \`${configure_ac}'. You might want to install the
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113 \`Autoconf' and \`GNU m4' packages. Grab them from any GNU
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114 archive site."
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115 touch configure
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116 ;;
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117
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118 autoheader)
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119 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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120 # We have it, but it failed.
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121 exit 1
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122 fi
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123
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124 echo 1>&2 "\
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125 WARNING: \`$1' is missing on your system. You should only need it if
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126 you modified \`acconfig.h' or \`${configure_ac}'. You might want
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127 to install the \`Autoconf' and \`GNU m4' packages. Grab them
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128 from any GNU archive site."
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129 files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
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130 test -z "$files" && files="config.h"
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131 touch_files=
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132 for f in $files; do
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133 case "$f" in
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134 *:*) touch_files="$touch_files "`echo "$f" |
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135 sed -e 's/^[^:]*://' -e 's/:.*//'`;;
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136 *) touch_files="$touch_files $f.in";;
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137 esac
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138 done
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139 touch $touch_files
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140 ;;
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141
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142 automake*)
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143 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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144 # We have it, but it failed.
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145 exit 1
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146 fi
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147
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148 echo 1>&2 "\
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149 WARNING: \`$1' is missing on your system. You should only need it if
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150 you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
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151 You might want to install the \`Automake' and \`Perl' packages.
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152 Grab them from any GNU archive site."
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153 find . -type f -name Makefile.am -print |
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154 sed 's/\.am$/.in/' |
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155 while read f; do touch "$f"; done
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156 ;;
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157
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158 autom4te)
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159 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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160 # We have it, but it failed.
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161 exit 1
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162 fi
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163
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164 echo 1>&2 "\
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165 WARNING: \`$1' is needed, and you do not seem to have it handy on your
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166 system. You might have modified some files without having the
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167 proper tools for further handling them.
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168 You can get \`$1Help2man' as part of \`Autoconf' from any GNU
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169 archive site."
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170
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171 file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
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172 test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
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173 if test -f "$file"; then
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174 touch $file
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175 else
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176 test -z "$file" || exec >$file
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177 echo "#! /bin/sh"
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178 echo "# Created by GNU Automake missing as a replacement of"
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179 echo "# $ $@"
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180 echo "exit 0"
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181 chmod +x $file
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182 exit 1
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183 fi
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184 ;;
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185
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186 bison|yacc)
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187 echo 1>&2 "\
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188 WARNING: \`$1' is missing on your system. You should only need it if
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189 you modified a \`.y' file. You may need the \`Bison' package
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190 in order for those modifications to take effect. You can get
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191 \`Bison' from any GNU archive site."
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192 rm -f y.tab.c y.tab.h
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193 if [ $# -ne 1 ]; then
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194 eval LASTARG="\${$#}"
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195 case "$LASTARG" in
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196 *.y)
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197 SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
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198 if [ -f "$SRCFILE" ]; then
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199 cp "$SRCFILE" y.tab.c
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200 fi
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201 SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
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202 if [ -f "$SRCFILE" ]; then
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203 cp "$SRCFILE" y.tab.h
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204 fi
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205 ;;
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206 esac
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207 fi
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208 if [ ! -f y.tab.h ]; then
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209 echo >y.tab.h
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210 fi
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211 if [ ! -f y.tab.c ]; then
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212 echo 'main() { return 0; }' >y.tab.c
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213 fi
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214 ;;
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215
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216 lex|flex)
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217 echo 1>&2 "\
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218 WARNING: \`$1' is missing on your system. You should only need it if
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219 you modified a \`.l' file. You may need the \`Flex' package
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220 in order for those modifications to take effect. You can get
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221 \`Flex' from any GNU archive site."
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222 rm -f lex.yy.c
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223 if [ $# -ne 1 ]; then
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224 eval LASTARG="\${$#}"
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225 case "$LASTARG" in
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226 *.l)
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227 SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
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228 if [ -f "$SRCFILE" ]; then
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229 cp "$SRCFILE" lex.yy.c
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230 fi
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231 ;;
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232 esac
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233 fi
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234 if [ ! -f lex.yy.c ]; then
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235 echo 'main() { return 0; }' >lex.yy.c
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236 fi
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237 ;;
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238
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239 help2man)
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240 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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241 # We have it, but it failed.
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242 exit 1
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243 fi
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244
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245 echo 1>&2 "\
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246 WARNING: \`$1' is missing on your system. You should only need it if
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247 you modified a dependency of a manual page. You may need the
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248 \`Help2man' package in order for those modifications to take
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249 effect. You can get \`Help2man' from any GNU archive site."
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250
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251 file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
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252 if test -z "$file"; then
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253 file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
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254 fi
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255 if [ -f "$file" ]; then
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256 touch $file
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257 else
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258 test -z "$file" || exec >$file
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259 echo ".ab help2man is required to generate this page"
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260 exit 1
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261 fi
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262 ;;
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263
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264 makeinfo)
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265 if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
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266 # We have makeinfo, but it failed.
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267 exit 1
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268 fi
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269
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270 echo 1>&2 "\
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271 WARNING: \`$1' is missing on your system. You should only need it if
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272 you modified a \`.texi' or \`.texinfo' file, or any other file
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273 indirectly affecting the aspect of the manual. The spurious
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274 call might also be the consequence of using a buggy \`make' (AIX,
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275 DU, IRIX). You might want to install the \`Texinfo' package or
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276 the \`GNU make' package. Grab either from any GNU archive site."
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277 file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
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278 if test -z "$file"; then
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279 file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
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280 file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
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281 fi
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282 touch $file
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283 ;;
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284
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285 tar)
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286 shift
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287 if test -n "$run"; then
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288 echo 1>&2 "ERROR: \`tar' requires --run"
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289 exit 1
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290 fi
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291
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292 # We have already tried tar in the generic part.
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293 # Look for gnutar/gtar before invocation to avoid ugly error
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294 # messages.
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295 if (gnutar --version > /dev/null 2>&1); then
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296 gnutar "$@" && exit 0
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297 fi
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298 if (gtar --version > /dev/null 2>&1); then
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299 gtar "$@" && exit 0
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300 fi
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301 firstarg="$1"
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302 if shift; then
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303 case "$firstarg" in
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304 *o*)
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305 firstarg=`echo "$firstarg" | sed s/o//`
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306 tar "$firstarg" "$@" && exit 0
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307 ;;
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308 esac
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309 case "$firstarg" in
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310 *h*)
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311 firstarg=`echo "$firstarg" | sed s/h//`
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312 tar "$firstarg" "$@" && exit 0
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313 ;;
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314 esac
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315 fi
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316
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317 echo 1>&2 "\
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318 WARNING: I can't seem to be able to run \`tar' with the given arguments.
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319 You may want to install GNU tar or Free paxutils, or check the
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320 command line arguments."
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321 exit 1
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322 ;;
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323
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324 *)
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325 echo 1>&2 "\
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326 WARNING: \`$1' is needed, and you do not seem to have it handy on your
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327 system. You might have modified some files without having the
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328 proper tools for further handling them. Check the \`README' file,
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329 it often tells you about the needed prerequirements for installing
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330 this package. You may also peek at any GNU archive site, in case
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331 some other package would contain this missing \`$1' program."
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332 exit 1
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333 ;;
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334 esac
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335
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336 exit 0
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