| #! /bin/sh |
| # Common wrapper for a few potentially missing GNU programs. |
| |
| scriptversion=2013-10-28.13; # UTC |
| |
| # Copyright (C) 1996-2014 Free Software Foundation, Inc. |
| # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2, or (at your option) |
| # any later version. |
| |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # As a special exception to the GNU General Public License, if you |
| # distribute this file as part of a program that contains a |
| # configuration script generated by Autoconf, you may include it under |
| # the same distribution terms that you use for the rest of that program. |
| |
| if test $# -eq 0; then |
| echo 1>&2 "Try '$0 --help' for more information" |
| exit 1 |
| fi |
| |
| case $1 in |
| |
| --is-lightweight) |
| # Used by our autoconf macros to check whether the available missing |
| # script is modern enough. |
| exit 0 |
| ;; |
| |
| --run) |
| # Back-compat with the calling convention used by older automake. |
| shift |
| ;; |
| |
| -h|--h|--he|--hel|--help) |
| echo "\ |
| $0 [OPTION]... PROGRAM [ARGUMENT]... |
| |
| Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due |
| to PROGRAM being missing or too old. |
| |
| Options: |
| -h, --help display this help and exit |
| -v, --version output version information and exit |
| |
| Supported PROGRAM values: |
| aclocal autoconf autoheader autom4te automake makeinfo |
| bison yacc flex lex help2man |
| |
| Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and |
| 'g' are ignored when checking the name. |
| |
| Send bug reports to <bug-automake@gnu.org>." |
| exit $? |
| ;; |
| |
| -v|--v|--ve|--ver|--vers|--versi|--versio|--version) |
| echo "missing $scriptversion (GNU Automake)" |
| exit $? |
| ;; |
| |
| -*) |
| echo 1>&2 "$0: unknown '$1' option" |
| echo 1>&2 "Try '$0 --help' for more information" |
| exit 1 |
| ;; |
| |
| esac |
| |
| # Run the given program, remember its exit status. |
| "$@"; st=$? |
| |
| # If it succeeded, we are done. |
| test $st -eq 0 && exit 0 |
| |
| # Also exit now if we it failed (or wasn't found), and '--version' was |
| # passed; such an option is passed most likely to detect whether the |
| # program is present and works. |
| case $2 in --version|--help) exit $st;; esac |
| |
| # Exit code 63 means version mismatch. This often happens when the user |
| # tries to use an ancient version of a tool on a file that requires a |
| # minimum version. |
| if test $st -eq 63; then |
| msg="probably too old" |
| elif test $st -eq 127; then |
| # Program was missing. |
| msg="missing on your system" |
| else |
| # Program was found and executed, but failed. Give up. |
| exit $st |
| fi |
| |
| perl_URL=http://www.perl.org/ |
| flex_URL=http://flex.sourceforge.net/ |
| gnu_software_URL=http://www.gnu.org/software |
| |
| program_details () |
| { |
| case $1 in |
| aclocal|automake) |
| echo "The '$1' program is part of the GNU Automake package:" |
| echo "<$gnu_software_URL/automake>" |
| echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" |
| echo "<$gnu_software_URL/autoconf>" |
| echo "<$gnu_software_URL/m4/>" |
| echo "<$perl_URL>" |
| ;; |
| autoconf|autom4te|autoheader) |
| echo "The '$1' program is part of the GNU Autoconf package:" |
| echo "<$gnu_software_URL/autoconf/>" |
| echo "It also requires GNU m4 and Perl in order to run:" |
| echo "<$gnu_software_URL/m4/>" |
| echo "<$perl_URL>" |
| ;; |
| esac |
| } |
| |
| give_advice () |
| { |
| # Normalize program name to check for. |
| normalized_program=`echo "$1" | sed ' |
| s/^gnu-//; t |
| s/^gnu//; t |
| s/^g//; t'` |
| |
| printf '%s\n' "'$1' is $msg." |
| |
| configure_deps="'configure.ac' or m4 files included by 'configure.ac'" |
| case $normalized_program in |
| autoconf*) |
| echo "You should only need it if you modified 'configure.ac'," |
| echo "or m4 files included by it." |
| program_details 'autoconf' |
| ;; |
| autoheader*) |
| echo "You should only need it if you modified 'acconfig.h' or" |
| echo "$configure_deps." |
| program_details 'autoheader' |
| ;; |
| automake*) |
| echo "You should only need it if you modified 'Makefile.am' or" |
| echo "$configure_deps." |
| program_details 'automake' |
| ;; |
| aclocal*) |
| echo "You should only need it if you modified 'acinclude.m4' or" |
| echo "$configure_deps." |
| program_details 'aclocal' |
| ;; |
| autom4te*) |
| echo "You might have modified some maintainer files that require" |
| echo "the 'autom4te' program to be rebuilt." |
| program_details 'autom4te' |
| ;; |
| bison*|yacc*) |
| echo "You should only need it if you modified a '.y' file." |
| echo "You may want to install the GNU Bison package:" |
| echo "<$gnu_software_URL/bison/>" |
| ;; |
| lex*|flex*) |
| echo "You should only need it if you modified a '.l' file." |
| echo "You may want to install the Fast Lexical Analyzer package:" |
| echo "<$flex_URL>" |
| ;; |
| help2man*) |
| echo "You should only need it if you modified a dependency" \ |
| "of a man page." |
| echo "You may want to install the GNU Help2man package:" |
| echo "<$gnu_software_URL/help2man/>" |
| ;; |
| makeinfo*) |
| echo "You should only need it if you modified a '.texi' file, or" |
| echo "any other file indirectly affecting the aspect of the manual." |
| echo "You might want to install the Texinfo package:" |
| echo "<$gnu_software_URL/texinfo/>" |
| echo "The spurious makeinfo call might also be the consequence of" |
| echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" |
| echo "want to install GNU make:" |
| echo "<$gnu_software_URL/make/>" |
| ;; |
| *) |
| echo "You might have modified some files without having the proper" |
| echo "tools for further handling them. Check the 'README' file, it" |
| echo "often tells you about the needed prerequisites for installing" |
| echo "this package. You may also peek at any GNU archive site, in" |
| echo "case some other package contains this missing '$1' program." |
| ;; |
| esac |
| } |
| |
| give_advice "$1" | sed -e '1s/^/WARNING: /' \ |
| -e '2,$s/^/ /' >&2 |
| |
| # Propagate the correct exit status (expected to be 127 for a program |
| # not found, 63 for a program that failed due to version mismatch). |
| exit $st |
| |
| # Local variables: |
| # eval: (add-hook 'write-file-hooks 'time-stamp) |
| # time-stamp-start: "scriptversion=" |
| # time-stamp-format: "%:y-%02m-%02d.%02H" |
| # time-stamp-time-zone: "UTC" |
| # time-stamp-end: "; # UTC" |
| # End: |