comparison: missing
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- changeset 52
- 02816cd75edc
- parent 51
- 5acf05940667
- child 53
- 32b9e0a5cebd
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| 51:5acf05940667 | 52:02816cd75edc |
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| 1 #! /bin/sh | |
| 2 # Common wrapper for a few potentially missing GNU programs. | |
| 3 | |
| 4 scriptversion=2012-06-26.16; # UTC | |
| 5 | |
| 6 # Copyright (C) 1996-2013 Free Software Foundation, Inc. | |
| 7 # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. | |
| 8 | |
| 9 # This program is free software; you can redistribute it and/or modify | |
| 10 # it under the terms of the GNU General Public License as published by | |
| 11 # the Free Software Foundation; either version 2, or (at your option) | |
| 12 # any later version. | |
| 13 | |
| 14 # This program is distributed in the hope that it will be useful, | |
| 15 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 # GNU General Public License for more details. | |
| 18 | |
| 19 # You should have received a copy of the GNU General Public License | |
| 20 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 | |
| 22 # As a special exception to the GNU General Public License, if you | |
| 23 # distribute this file as part of a program that contains a | |
| 24 # configuration script generated by Autoconf, you may include it under | |
| 25 # the same distribution terms that you use for the rest of that program. | |
| 26 | |
| 27 if test $# -eq 0; then | |
| 28 echo 1>&2 "Try '$0 --help' for more information" | |
| 29 exit 1 | |
| 30 fi | |
| 31 | |
| 32 case $1 in | |
| 33 | |
| 34 --is-lightweight) | |
| 35 # Used by our autoconf macros to check whether the available missing | |
| 36 # script is modern enough. | |
| 37 exit 0 | |
| 38 ;; | |
| 39 | |
| 40 --run) | |
| 41 # Back-compat with the calling convention used by older automake. | |
| 42 shift | |
| 43 ;; | |
| 44 | |
| 45 -h|--h|--he|--hel|--help) | |
| 46 echo "\ | |
| 47 $0 [OPTION]... PROGRAM [ARGUMENT]... | |
| 48 | |
| 49 Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due | |
| 50 to PROGRAM being missing or too old. | |
| 51 | |
| 52 Options: | |
| 53 -h, --help display this help and exit | |
| 54 -v, --version output version information and exit | |
| 55 | |
| 56 Supported PROGRAM values: | |
| 57 aclocal autoconf autoheader autom4te automake makeinfo | |
| 58 bison yacc flex lex help2man | |
| 59 | |
| 60 Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and | |
| 61 'g' are ignored when checking the name. | |
| 62 | |
| 63 Send bug reports to <bug-automake@gnu.org>." | |
| 64 exit $? | |
| 65 ;; | |
| 66 | |
| 67 -v|--v|--ve|--ver|--vers|--versi|--versio|--version) | |
| 68 echo "missing $scriptversion (GNU Automake)" | |
| 69 exit $? | |
| 70 ;; | |
| 71 | |
| 72 -*) | |
| 73 echo 1>&2 "$0: unknown '$1' option" | |
| 74 echo 1>&2 "Try '$0 --help' for more information" | |
| 75 exit 1 | |
| 76 ;; | |
| 77 | |
| 78 esac | |
| 79 | |
| 80 # Run the given program, remember its exit status. | |
| 81 "$@"; st=$? | |
| 82 | |
| 83 # If it succeeded, we are done. | |
| 84 test $st -eq 0 && exit 0 | |
| 85 | |
| 86 # Also exit now if we it failed (or wasn't found), and '--version' was | |
| 87 # passed; such an option is passed most likely to detect whether the | |
| 88 # program is present and works. | |
| 89 case $2 in --version|--help) exit $st;; esac | |
| 90 | |
| 91 # Exit code 63 means version mismatch. This often happens when the user | |
| 92 # tries to use an ancient version of a tool on a file that requires a | |
| 93 # minimum version. | |
| 94 if test $st -eq 63; then | |
| 95 msg="probably too old" | |
| 96 elif test $st -eq 127; then | |
| 97 # Program was missing. | |
| 98 msg="missing on your system" | |
| 99 else | |
| 100 # Program was found and executed, but failed. Give up. | |
| 101 exit $st | |
| 102 fi | |
| 103 | |
| 104 perl_URL=http://www.perl.org/ | |
| 105 flex_URL=http://flex.sourceforge.net/ | |
| 106 gnu_software_URL=http://www.gnu.org/software | |
| 107 | |
| 108 program_details () | |
| 109 { | |
| 110 case $1 in | |
| 111 aclocal|automake) | |
| 112 echo "The '$1' program is part of the GNU Automake package:" | |
| 113 echo "<$gnu_software_URL/automake>" | |
| 114 echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" | |
| 115 echo "<$gnu_software_URL/autoconf>" | |
| 116 echo "<$gnu_software_URL/m4/>" | |
| 117 echo "<$perl_URL>" | |
| 118 ;; | |
| 119 autoconf|autom4te|autoheader) | |
| 120 echo "The '$1' program is part of the GNU Autoconf package:" | |
| 121 echo "<$gnu_software_URL/autoconf/>" | |
| 122 echo "It also requires GNU m4 and Perl in order to run:" | |
| 123 echo "<$gnu_software_URL/m4/>" | |
| 124 echo "<$perl_URL>" | |
| 125 ;; | |
| 126 esac | |
| 127 } | |
| 128 | |
| 129 give_advice () | |
| 130 { | |
| 131 # Normalize program name to check for. | |
| 132 normalized_program=`echo "$1" | sed ' | |
| 133 s/^gnu-//; t | |
| 134 s/^gnu//; t | |
| 135 s/^g//; t'` | |
| 136 | |
| 137 printf '%s\n' "'$1' is $msg." | |
| 138 | |
| 139 configure_deps="'configure.ac' or m4 files included by 'configure.ac'" | |
| 140 case $normalized_program in | |
| 141 autoconf*) | |
| 142 echo "You should only need it if you modified 'configure.ac'," | |
| 143 echo "or m4 files included by it." | |
| 144 program_details 'autoconf' | |
| 145 ;; | |
| 146 autoheader*) | |
| 147 echo "You should only need it if you modified 'acconfig.h' or" | |
| 148 echo "$configure_deps." | |
| 149 program_details 'autoheader' | |
| 150 ;; | |
| 151 automake*) | |
| 152 echo "You should only need it if you modified 'Makefile.am' or" | |
| 153 echo "$configure_deps." | |
| 154 program_details 'automake' | |
| 155 ;; | |
| 156 aclocal*) | |
| 157 echo "You should only need it if you modified 'acinclude.m4' or" | |
| 158 echo "$configure_deps." | |
| 159 program_details 'aclocal' | |
| 160 ;; | |
| 161 autom4te*) | |
| 162 echo "You might have modified some maintainer files that require" | |
| 163 echo "the 'automa4te' program to be rebuilt." | |
| 164 program_details 'autom4te' | |
| 165 ;; | |
| 166 bison*|yacc*) | |
| 167 echo "You should only need it if you modified a '.y' file." | |
| 168 echo "You may want to install the GNU Bison package:" | |
| 169 echo "<$gnu_software_URL/bison/>" | |
| 170 ;; | |
| 171 lex*|flex*) | |
| 172 echo "You should only need it if you modified a '.l' file." | |
| 173 echo "You may want to install the Fast Lexical Analyzer package:" | |
| 174 echo "<$flex_URL>" | |
| 175 ;; | |
| 176 help2man*) | |
| 177 echo "You should only need it if you modified a dependency" \ | |
| 178 "of a man page." | |
| 179 echo "You may want to install the GNU Help2man package:" | |
| 180 echo "<$gnu_software_URL/help2man/>" | |
| 181 ;; | |
| 182 makeinfo*) | |
| 183 echo "You should only need it if you modified a '.texi' file, or" | |
| 184 echo "any other file indirectly affecting the aspect of the manual." | |
| 185 echo "You might want to install the Texinfo package:" | |
| 186 echo "<$gnu_software_URL/texinfo/>" | |
| 187 echo "The spurious makeinfo call might also be the consequence of" | |
| 188 echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" | |
| 189 echo "want to install GNU make:" | |
| 190 echo "<$gnu_software_URL/make/>" | |
| 191 ;; | |
| 192 *) | |
| 193 echo "You might have modified some files without having the proper" | |
| 194 echo "tools for further handling them. Check the 'README' file, it" | |
| 195 echo "often tells you about the needed prerequisites for installing" | |
| 196 echo "this package. You may also peek at any GNU archive site, in" | |
| 197 echo "case some other package contains this missing '$1' program." | |
| 198 ;; | |
| 199 esac | |
| 200 } | |
| 201 | |
| 202 give_advice "$1" | sed -e '1s/^/WARNING: /' \ | |
| 203 -e '2,$s/^/ /' >&2 | |
| 204 | |
| 205 # Propagate the correct exit status (expected to be 127 for a program | |
| 206 # not found, 63 for a program that failed due to version mismatch). | |
| 207 exit $st | |
| 208 | |
| 209 # Local variables: | |
| 210 # eval: (add-hook 'write-file-hooks 'time-stamp) | |
| 211 # time-stamp-start: "scriptversion=" | |
| 212 # time-stamp-format: "%:y-%02m-%02d.%02H" | |
| 213 # time-stamp-time-zone: "UTC" | |
| 214 # time-stamp-end: "; # UTC" | |
| 215 # End: |
