Annotation of embedaddon/libiconv/build-aux/missing, revision 1.1.1.2

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=2018-03-07.03; # UTC
1.1       misho       5: 
1.1.1.2 ! misho       6: # Copyright (C) 1996-2018 Free Software Foundation, Inc.
        !             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
1.1.1.2 ! misho      20: # along with this program.  If not, see <https://www.gnu.org/licenses/>.
1.1       misho      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
        !            59: 
        !            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=https://www.perl.org/
        !           105: flex_URL=https://github.com/westes/flex
        !           106: gnu_software_URL=https://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:
1.1.1.2 ! misho     210: # eval: (add-hook 'before-save-hook 'time-stamp)
1.1       misho     211: # time-stamp-start: "scriptversion="
                    212: # time-stamp-format: "%:y-%02m-%02d.%02H"
1.1.1.2 ! misho     213: # time-stamp-time-zone: "UTC0"
        !           214: # time-stamp-end: "; # UTC"
1.1       misho     215: # End:

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