Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 1 | #! /bin/sh |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 2 | # Common wrapper for a few potentially missing GNU programs. |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 3 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 4 | scriptversion=2012-06-26.16; # UTC |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 5 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 6 | # Copyright (C) 1996-2013 Free Software Foundation, Inc. |
| 7 | # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 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 |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 28 | echo 1>&2 "Try '$0 --help' for more information" |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 29 | exit 1 |
| 30 | fi |
| 31 | |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 32 | case $1 in |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 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 | ;; |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 44 | |
| 45 | -h|--h|--he|--hel|--help) |
| 46 | echo "\ |
| 47 | $0 [OPTION]... PROGRAM [ARGUMENT]... |
| 48 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 49 | Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due |
| 50 | to PROGRAM being missing or too old. |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 51 | |
| 52 | Options: |
| 53 | -h, --help display this help and exit |
| 54 | -v, --version output version information and exit |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 55 | |
| 56 | Supported PROGRAM values: |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 57 | aclocal autoconf autoheader autom4te automake makeinfo |
| 58 | bison yacc flex lex help2man |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 59 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 60 | Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and |
| 61 | 'g' are ignored when checking the name. |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 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 | -*) |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 73 | echo 1>&2 "$0: unknown '$1' option" |
| 74 | echo 1>&2 "Try '$0 --help' for more information" |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 75 | exit 1 |
| 76 | ;; |
| 77 | |
| 78 | esac |
| 79 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 80 | # Run the given program, remember its exit status. |
| 81 | "$@"; st=$? |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 82 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 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 "<$gnu_software_URL/help2man/>" |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 181 | ;; |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 182 | makeinfo*) |
| 183 | echo "You should only need it if you modified a '.texi' file, or" |
| 184 | echo "any other file indirectly affecting the aspect of the manual." |
| 185 | echo "You might want to install the Texinfo package:" |
| 186 | echo "<$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 | } |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 201 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 202 | give_advice "$1" | sed -e '1s/^/WARNING: /' \ |
| 203 | -e '2,$s/^/ /' >&2 |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 204 | |
Guido Vollbeding | e7f88ae | 2013-01-13 00:00:00 +0000 | [diff] [blame^] | 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 |
Guido Vollbeding | 5996a25 | 2009-06-27 00:00:00 +0000 | [diff] [blame] | 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: |