[30363] | 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=2013-10-28.13; # 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 <[email protected]>, 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 <[email protected]>."
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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 'autom4te' 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:
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