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#! /bin/sh
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# Common wrapper for a few potentially missing GNU programs.
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scriptversion=2013-10-28.13; # UTC
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# Copyright (C) 1996-2013 Free Software Foundation, Inc.
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# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
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if test $# -eq 0; then
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echo 1>&2 "Try '$0 --help' for more information"
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exit 1
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fi
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case $1 in
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--is-lightweight)
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# Used by our autoconf macros to check whether the available missing
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# script is modern enough.
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exit 0
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;;
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--run)
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# Back-compat with the calling convention used by older automake.
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shift
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;;
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-h|--h|--he|--hel|--help)
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echo "\
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$0 [OPTION]... PROGRAM [ARGUMENT]...
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Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
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to PROGRAM being missing or too old.
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Options:
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-h, --help display this help and exit
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-v, --version output version information and exit
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Supported PROGRAM values:
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aclocal autoconf autoheader autom4te automake makeinfo
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bison yacc flex lex help2man
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Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
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'g' are ignored when checking the name.
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Send bug reports to <bug-automake@gnu.org>."
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exit $?
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;;
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-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
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echo "missing $scriptversion (GNU Automake)"
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exit $?
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;;
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-*)
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echo 1>&2 "$0: unknown '$1' option"
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echo 1>&2 "Try '$0 --help' for more information"
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exit 1
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;;
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esac
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# Run the given program, remember its exit status.
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"$@"; st=$?
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# If it succeeded, we are done.
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test $st -eq 0 && exit 0
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# Also exit now if we it failed (or wasn't found), and '--version' was
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# passed; such an option is passed most likely to detect whether the
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# program is present and works.
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case $2 in --version|--help) exit $st;; esac
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# Exit code 63 means version mismatch. This often happens when the user
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# tries to use an ancient version of a tool on a file that requires a
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# minimum version.
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if test $st -eq 63; then
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msg="probably too old"
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elif test $st -eq 127; then
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# Program was missing.
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msg="missing on your system"
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else
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# Program was found and executed, but failed. Give up.
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exit $st
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fi
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perl_URL=http://www.perl.org/
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flex_URL=http://flex.sourceforge.net/
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gnu_software_URL=http://www.gnu.org/software
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program_details ()
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{
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case $1 in
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aclocal|automake)
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echo "The '$1' program is part of the GNU Automake package:"
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echo "<$gnu_software_URL/automake>"
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echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
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echo "<$gnu_software_URL/autoconf>"
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echo "<$gnu_software_URL/m4/>"
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echo "<$perl_URL>"
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;;
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autoconf|autom4te|autoheader)
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echo "The '$1' program is part of the GNU Autoconf package:"
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echo "<$gnu_software_URL/autoconf/>"
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echo "It also requires GNU m4 and Perl in order to run:"
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echo "<$gnu_software_URL/m4/>"
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echo "<$perl_URL>"
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;;
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esac
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}
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give_advice ()
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{
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# Normalize program name to check for.
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normalized_program=`echo "$1" | sed '
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s/^gnu-//; t
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s/^gnu//; t
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s/^g//; t'`
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printf '%s\n' "'$1' is $msg."
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configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
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case $normalized_program in
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autoconf*)
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echo "You should only need it if you modified 'configure.ac',"
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echo "or m4 files included by it."
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program_details 'autoconf'
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;;
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autoheader*)
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echo "You should only need it if you modified 'acconfig.h' or"
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echo "$configure_deps."
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program_details 'autoheader'
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;;
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automake*)
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echo "You should only need it if you modified 'Makefile.am' or"
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echo "$configure_deps."
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program_details 'automake'
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;;
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aclocal*)
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echo "You should only need it if you modified 'acinclude.m4' or"
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echo "$configure_deps."
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program_details 'aclocal'
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;;
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autom4te*)
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echo "You might have modified some maintainer files that require"
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echo "the 'autom4te' program to be rebuilt."
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program_details 'autom4te'
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;;
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bison*|yacc*)
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echo "You should only need it if you modified a '.y' file."
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echo "You may want to install the GNU Bison package:"
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echo "<$gnu_software_URL/bison/>"
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;;
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lex*|flex*)
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echo "You should only need it if you modified a '.l' file."
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echo "You may want to install the Fast Lexical Analyzer package:"
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echo "<$flex_URL>"
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;;
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help2man*)
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echo "You should only need it if you modified a dependency" \
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"of a man page."
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echo "You may want to install the GNU Help2man package:"
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echo "<$gnu_software_URL/help2man/>"
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;;
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makeinfo*)
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echo "You should only need it if you modified a '.texi' file, or"
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echo "any other file indirectly affecting the aspect of the manual."
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echo "You might want to install the Texinfo package:"
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echo "<$gnu_software_URL/texinfo/>"
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echo "The spurious makeinfo call might also be the consequence of"
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echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
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echo "want to install GNU make:"
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echo "<$gnu_software_URL/make/>"
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;;
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*)
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echo "You might have modified some files without having the proper"
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echo "tools for further handling them. Check the 'README' file, it"
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echo "often tells you about the needed prerequisites for installing"
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echo "this package. You may also peek at any GNU archive site, in"
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echo "case some other package contains this missing '$1' program."
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;;
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esac
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}
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give_advice "$1" | sed -e '1s/^/WARNING: /' \
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-e '2,$s/^/ /' >&2
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# Propagate the correct exit status (expected to be 127 for a program
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# not found, 63 for a program that failed due to version mismatch).
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exit $st
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# Local variables:
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# eval: (add-hook 'write-file-hooks 'time-stamp)
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# time-stamp-start: "scriptversion="
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# time-stamp-format: "%:y-%02m-%02d.%02H"
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# time-stamp-time-zone: "UTC"
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# time-stamp-end: "; # UTC"
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# End:
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