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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) 1996-2014 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: |