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							215 lines
						
					
					
						
							6.7 KiB
						
					
					
				| #! /bin/sh | |
| # Common wrapper for a few potentially missing GNU programs. | |
| 
 | |
| scriptversion=2013-10-28.13; # UTC | |
| 
 | |
| # Copyright (C) 1996-2013 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:
 |