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1 #! /bin/sh |
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2 # Common wrapper for a few potentially missing GNU programs. |
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3 |
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4 scriptversion=2012-06-26.16; # UTC |
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5 |
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6 # Copyright (C) 1996-2013 Free Software Foundation, Inc. |
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7 # Originally written 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 case $1 in |
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33 |
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34 --is-lightweight) |
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35 # Used by our autoconf macros to check whether the available missing |
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36 # script is modern enough. |
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37 exit 0 |
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38 ;; |
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39 |
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40 --run) |
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41 # Back-compat with the calling convention used by older automake. |
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42 shift |
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43 ;; |
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44 |
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45 -h|--h|--he|--hel|--help) |
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46 echo "\ |
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47 $0 [OPTION]... PROGRAM [ARGUMENT]... |
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48 |
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49 Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due |
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50 to PROGRAM being missing or too old. |
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51 |
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52 Options: |
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53 -h, --help display this help and exit |
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54 -v, --version output version information and exit |
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55 |
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56 Supported PROGRAM values: |
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57 aclocal autoconf autoheader autom4te automake makeinfo |
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58 bison yacc flex lex help2man |
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59 |
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60 Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and |
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61 'g' are ignored when checking the name. |
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62 |
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63 Send bug reports to <bug-automake@gnu.org>." |
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64 exit $? |
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65 ;; |
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66 |
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67 -v|--v|--ve|--ver|--vers|--versi|--versio|--version) |
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68 echo "missing $scriptversion (GNU Automake)" |
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69 exit $? |
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70 ;; |
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71 |
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72 -*) |
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73 echo 1>&2 "$0: unknown '$1' option" |
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74 echo 1>&2 "Try '$0 --help' for more information" |
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75 exit 1 |
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76 ;; |
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77 |
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78 esac |
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79 |
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80 # Run the given program, remember its exit status. |
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81 "$@"; st=$? |
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82 |
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83 # If it succeeded, we are done. |
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84 test $st -eq 0 && exit 0 |
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85 |
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86 # Also exit now if we it failed (or wasn't found), and '--version' was |
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87 # passed; such an option is passed most likely to detect whether the |
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88 # program is present and works. |
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89 case $2 in --version|--help) exit $st;; esac |
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90 |
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91 # Exit code 63 means version mismatch. This often happens when the user |
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92 # tries to use an ancient version of a tool on a file that requires a |
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93 # minimum version. |
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94 if test $st -eq 63; then |
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95 msg="probably too old" |
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96 elif test $st -eq 127; then |
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97 # Program was missing. |
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98 msg="missing on your system" |
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99 else |
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100 # Program was found and executed, but failed. Give up. |
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101 exit $st |
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102 fi |
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103 |
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104 perl_URL=http://www.perl.org/ |
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105 flex_URL=http://flex.sourceforge.net/ |
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106 gnu_software_URL=http://www.gnu.org/software |
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107 |
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108 program_details () |
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109 { |
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110 case $1 in |
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111 aclocal|automake) |
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112 echo "The '$1' program is part of the GNU Automake package:" |
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113 echo "<$gnu_software_URL/automake>" |
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114 echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" |
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115 echo "<$gnu_software_URL/autoconf>" |
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116 echo "<$gnu_software_URL/m4/>" |
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117 echo "<$perl_URL>" |
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118 ;; |
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119 autoconf|autom4te|autoheader) |
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120 echo "The '$1' program is part of the GNU Autoconf package:" |
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121 echo "<$gnu_software_URL/autoconf/>" |
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122 echo "It also requires GNU m4 and Perl in order to run:" |
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123 echo "<$gnu_software_URL/m4/>" |
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124 echo "<$perl_URL>" |
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125 ;; |
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126 esac |
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127 } |
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128 |
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129 give_advice () |
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130 { |
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131 # Normalize program name to check for. |
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132 normalized_program=`echo "$1" | sed ' |
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133 s/^gnu-//; t |
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134 s/^gnu//; t |
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135 s/^g//; t'` |
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136 |
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137 printf '%s\n' "'$1' is $msg." |
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138 |
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139 configure_deps="'configure.ac' or m4 files included by 'configure.ac'" |
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140 case $normalized_program in |
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141 autoconf*) |
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142 echo "You should only need it if you modified 'configure.ac'," |
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143 echo "or m4 files included by it." |
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144 program_details 'autoconf' |
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145 ;; |
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146 autoheader*) |
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147 echo "You should only need it if you modified 'acconfig.h' or" |
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148 echo "$configure_deps." |
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149 program_details 'autoheader' |
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150 ;; |
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151 automake*) |
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152 echo "You should only need it if you modified 'Makefile.am' or" |
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153 echo "$configure_deps." |
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154 program_details 'automake' |
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155 ;; |
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156 aclocal*) |
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157 echo "You should only need it if you modified 'acinclude.m4' or" |
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158 echo "$configure_deps." |
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159 program_details 'aclocal' |
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160 ;; |
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161 autom4te*) |
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162 echo "You might have modified some maintainer files that require" |
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163 echo "the 'automa4te' program to be rebuilt." |
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164 program_details 'autom4te' |
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165 ;; |
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166 bison*|yacc*) |
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167 echo "You should only need it if you modified a '.y' file." |
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168 echo "You may want to install the GNU Bison package:" |
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169 echo "<$gnu_software_URL/bison/>" |
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170 ;; |
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171 lex*|flex*) |
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172 echo "You should only need it if you modified a '.l' file." |
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173 echo "You may want to install the Fast Lexical Analyzer package:" |
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174 echo "<$flex_URL>" |
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175 ;; |
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176 help2man*) |
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177 echo "You should only need it if you modified a dependency" \ |
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178 "of a man page." |
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179 echo "You may want to install the GNU Help2man package:" |
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180 echo "<$gnu_software_URL/help2man/>" |
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181 ;; |
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182 makeinfo*) |
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183 echo "You should only need it if you modified a '.texi' file, or" |
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184 echo "any other file indirectly affecting the aspect of the manual." |
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185 echo "You might want to install the Texinfo package:" |
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186 echo "<$gnu_software_URL/texinfo/>" |
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187 echo "The spurious makeinfo call might also be the consequence of" |
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188 echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" |
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189 echo "want to install GNU make:" |
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190 echo "<$gnu_software_URL/make/>" |
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191 ;; |
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192 *) |
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193 echo "You might have modified some files without having the proper" |
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194 echo "tools for further handling them. Check the 'README' file, it" |
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195 echo "often tells you about the needed prerequisites for installing" |
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196 echo "this package. You may also peek at any GNU archive site, in" |
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197 echo "case some other package contains this missing '$1' program." |
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198 ;; |
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199 esac |
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200 } |
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201 |
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202 give_advice "$1" | sed -e '1s/^/WARNING: /' \ |
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203 -e '2,$s/^/ /' >&2 |
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204 |
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205 # Propagate the correct exit status (expected to be 127 for a program |
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206 # not found, 63 for a program that failed due to version mismatch). |
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207 exit $st |
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208 |
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209 # Local variables: |
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210 # eval: (add-hook 'write-file-hooks 'time-stamp) |
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211 # time-stamp-start: "scriptversion=" |
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212 # time-stamp-format: "%:y-%02m-%02d.%02H" |
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213 # time-stamp-time-zone: "UTC" |
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214 # time-stamp-end: "; # UTC" |
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215 # End: |