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Annotation of Gnu-Mach/build-aux/missing, revision 1.1

1.1     ! root        1: #! /bin/sh
        !             2: # Common wrapper for a few potentially missing GNU programs.
        !             3: 
        !             4: scriptversion=2012-06-26.16; # UTC
        !             5: 
        !             6: # Copyright (C) 1996-2013 Free Software Foundation, Inc.
        !             7: # Originally written by Fran,cois Pinard <[email protected]>, 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 <[email protected]>."
        !            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 'automa4te' 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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