lac : f62bbae306c7e1bc28896aab8fe7bfb700a9a33e

     1: #! /bin/sh
     2: # Common wrapper for a few potentially missing GNU programs.
     3: 
     4: scriptversion=2013-10-28.13; # UTC
     5: 
     6: # Copyright (C) 1996-2014 Free Software Foundation, Inc.
     7: # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
     8: 
     9: # This program is free software; you can redistribute it and/or modify
    10: # it under the terms of the GNU General Public License as published by
    11: # the Free Software Foundation; either version 2, or (at your option)
    12: # any later version.
    13: 
    14: # This program is distributed in the hope that it will be useful,
    15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
    16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    17: # GNU General Public License for more details.
    18: 
    19: # You should have received a copy of the GNU General Public License
    20: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
    21: 
    22: # As a special exception to the GNU General Public License, if you
    23: # distribute this file as part of a program that contains a
    24: # configuration script generated by Autoconf, you may include it under
    25: # the same distribution terms that you use for the rest of that program.
    26: 
    27: if test $# -eq 0; then
    28:   echo 1>&2 "Try '$0 --help' for more information"
    29:   exit 1
    30: fi
    31: 
    32: case $1 in
    33: 
    34:   --is-lightweight)
    35:     # Used by our autoconf macros to check whether the available missing
    36:     # script is modern enough.
    37:     exit 0
    38:     ;;
    39: 
    40:   --run)
    41:     # Back-compat with the calling convention used by older automake.
    42:     shift
    43:     ;;
    44: 
    45:   -h|--h|--he|--hel|--help)
    46:     echo "\
    47: $0 [OPTION]... PROGRAM [ARGUMENT]...
    48: 
    49: Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
    50: to PROGRAM being missing or too old.
    51: 
    52: Options:
    53:   -h, --help      display this help and exit
    54:   -v, --version   output version information and exit
    55: 
    56: Supported PROGRAM values:
    57:   aclocal   autoconf  autoheader   autom4te  automake  makeinfo
    58:   bison     yacc      flex         lex       help2man
    59: 
    60: Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
    61: 'g' are ignored when checking the name.
    62: 
    63: Send bug reports to <bug-automake@gnu.org>."
    64:     exit $?
    65:     ;;
    66: 
    67:   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
    68:     echo "missing $scriptversion (GNU Automake)"
    69:     exit $?
    70:     ;;
    71: 
    72:   -*)
    73:     echo 1>&2 "$0: unknown '$1' option"
    74:     echo 1>&2 "Try '$0 --help' for more information"
    75:     exit 1
    76:     ;;
    77: 
    78: esac
    79: 
    80: # Run the given program, remember its exit status.
    81: "$@"; st=$?
    82: 
    83: # If it succeeded, we are done.
    84: test $st -eq 0 && exit 0
    85: 
    86: # Also exit now if we it failed (or wasn't found), and '--version' was
    87: # passed; such an option is passed most likely to detect whether the
    88: # program is present and works.
    89: case $2 in --version|--help) exit $st;; esac
    90: 
    91: # Exit code 63 means version mismatch.  This often happens when the user
    92: # tries to use an ancient version of a tool on a file that requires a
    93: # minimum version.
    94: if test $st -eq 63; then
    95:   msg="probably too old"
    96: elif test $st -eq 127; then
    97:   # Program was missing.
    98:   msg="missing on your system"
    99: else
   100:   # Program was found and executed, but failed.  Give up.
   101:   exit $st
   102: fi
   103: 
   104: perl_URL=http://www.perl.org/
   105: flex_URL=http://flex.sourceforge.net/
   106: gnu_software_URL=http://www.gnu.org/software
   107: 
   108: program_details ()
   109: {
   110:   case $1 in
   111:     aclocal|automake)
   112:       echo "The '$1' program is part of the GNU Automake package:"
   113:       echo "<$gnu_software_URL/automake>"
   114:       echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
   115:       echo "<$gnu_software_URL/autoconf>"
   116:       echo "<$gnu_software_URL/m4/>"
   117:       echo "<$perl_URL>"
   118:       ;;
   119:     autoconf|autom4te|autoheader)
   120:       echo "The '$1' program is part of the GNU Autoconf package:"
   121:       echo "<$gnu_software_URL/autoconf/>"
   122:       echo "It also requires GNU m4 and Perl in order to run:"
   123:       echo "<$gnu_software_URL/m4/>"
   124:       echo "<$perl_URL>"
   125:       ;;
   126:   esac
   127: }
   128: 
   129: give_advice ()
   130: {
   131:   # Normalize program name to check for.
   132:   normalized_program=`echo "$1" | sed '
   133:     s/^gnu-//; t
   134:     s/^gnu//; t
   135:     s/^g//; t'`
   136: 
   137:   printf '%s\n' "'$1' is $msg."
   138: 
   139:   configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
   140:   case $normalized_program in
   141:     autoconf*)
   142:       echo "You should only need it if you modified 'configure.ac',"
   143:       echo "or m4 files included by it."
   144:       program_details 'autoconf'
   145:       ;;
   146:     autoheader*)
   147:       echo "You should only need it if you modified 'acconfig.h' or"
   148:       echo "$configure_deps."
   149:       program_details 'autoheader'
   150:       ;;
   151:     automake*)
   152:       echo "You should only need it if you modified 'Makefile.am' or"
   153:       echo "$configure_deps."
   154:       program_details 'automake'
   155:       ;;
   156:     aclocal*)
   157:       echo "You should only need it if you modified 'acinclude.m4' or"
   158:       echo "$configure_deps."
   159:       program_details 'aclocal'
   160:       ;;
   161:    autom4te*)
   162:       echo "You might have modified some maintainer files that require"
   163:       echo "the 'autom4te' program to be rebuilt."
   164:       program_details 'autom4te'
   165:       ;;
   166:     bison*|yacc*)
   167:       echo "You should only need it if you modified a '.y' file."
   168:       echo "You may want to install the GNU Bison package:"
   169:       echo "<$gnu_software_URL/bison/>"
   170:       ;;
   171:     lex*|flex*)
   172:       echo "You should only need it if you modified a '.l' file."
   173:       echo "You may want to install the Fast Lexical Analyzer package:"
   174:       echo "<$flex_URL>"
   175:       ;;
   176:     help2man*)
   177:       echo "You should only need it if you modified a dependency" \
   178:            "of a man page."
   179:       echo "You may want to install the GNU Help2man package:"
   180:       echo "<$gnu_software_URL/help2man/>"
   181:     ;;
   182:     makeinfo*)
   183:       echo "You should only need it if you modified a '.texi' file, or"
   184:       echo "any other file indirectly affecting the aspect of the manual."
   185:       echo "You might want to install the Texinfo package:"
   186:       echo "<$gnu_software_URL/texinfo/>"
   187:       echo "The spurious makeinfo call might also be the consequence of"
   188:       echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
   189:       echo "want to install GNU make:"
   190:       echo "<$gnu_software_URL/make/>"
   191:       ;;
   192:     *)
   193:       echo "You might have modified some files without having the proper"
   194:       echo "tools for further handling them.  Check the 'README' file, it"
   195:       echo "often tells you about the needed prerequisites for installing"
   196:       echo "this package.  You may also peek at any GNU archive site, in"
   197:       echo "case some other package contains this missing '$1' program."
   198:       ;;
   199:   esac
   200: }
   201: 
   202: give_advice "$1" | sed -e '1s/^/WARNING: /' \
   203:                        -e '2,$s/^/         /' >&2
   204: 
   205: # Propagate the correct exit status (expected to be 127 for a program
   206: # not found, 63 for a program that failed due to version mismatch).
   207: exit $st
   208: 
   209: # Local variables:
   210: # eval: (add-hook 'write-file-hooks 'time-stamp)
   211: # time-stamp-start: "scriptversion="
   212: # time-stamp-format: "%:y-%02m-%02d.%02H"
   213: # time-stamp-time-zone: "UTC"
   214: # time-stamp-end: "; # UTC"
   215: # End:

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