Annotation of embedaddon/mtr/missing, revision 1.1.1.3

1.1       misho       1: #! /bin/sh
1.1.1.2   misho       2: # Common wrapper for a few potentially missing GNU programs.
1.1       misho       3: 
1.1.1.2   misho       4: scriptversion=2013-10-28.13; # UTC
1.1       misho       5: 
1.1.1.3 ! misho       6: # Copyright (C) 1996-2014 Free Software Foundation, Inc.
1.1.1.2   misho       7: # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
1.1       misho       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
1.1.1.2   misho      28:   echo 1>&2 "Try '$0 --help' for more information"
1.1       misho      29:   exit 1
                     30: fi
                     31: 
1.1.1.2   misho      32: case $1 in
1.1       misho      33: 
1.1.1.2   misho      34:   --is-lightweight)
                     35:     # Used by our autoconf macros to check whether the available missing
                     36:     # script is modern enough.
                     37:     exit 0
                     38:     ;;
1.1       misho      39: 
1.1.1.2   misho      40:   --run)
                     41:     # Back-compat with the calling convention used by older automake.
                     42:     shift
                     43:     ;;
1.1       misho      44: 
                     45:   -h|--h|--he|--hel|--help)
                     46:     echo "\
                     47: $0 [OPTION]... PROGRAM [ARGUMENT]...
                     48: 
1.1.1.2   misho      49: Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
                     50: to PROGRAM being missing or too old.
1.1       misho      51: 
                     52: Options:
                     53:   -h, --help      display this help and exit
                     54:   -v, --version   output version information and exit
                     55: 
                     56: Supported PROGRAM values:
1.1.1.2   misho      57:   aclocal   autoconf  autoheader   autom4te  automake  makeinfo
                     58:   bison     yacc      flex         lex       help2man
1.1       misho      59: 
1.1.1.2   misho      60: Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
                     61: 'g' are ignored when checking the name.
1.1       misho      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:   -*)
1.1.1.2   misho      73:     echo 1>&2 "$0: unknown '$1' option"
                     74:     echo 1>&2 "Try '$0 --help' for more information"
1.1       misho      75:     exit 1
                     76:     ;;
                     77: 
                     78: esac
                     79: 
1.1.1.2   misho      80: # Run the given program, remember its exit status.
                     81: "$@"; st=$?
1.1       misho      82: 
1.1.1.2   misho      83: # If it succeeded, we are done.
                     84: test $st -eq 0 && exit 0
1.1       misho      85: 
1.1.1.2   misho      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
1.1       misho     103: 
1.1.1.2   misho     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
1.1       misho     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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