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libiconv 1.16

    1: #! /bin/sh
    2: # Common wrapper for a few potentially missing GNU programs.
    3: 
    4: scriptversion=2018-03-07.03; # UTC
    5: 
    6: # Copyright (C) 1996-2018 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 <https://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=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
  208: 
  209: # Local variables:
  210: # eval: (add-hook 'before-save-hook 'time-stamp)
  211: # time-stamp-start: "scriptversion="
  212: # time-stamp-format: "%:y-%02m-%02d.%02H"
  213: # time-stamp-time-zone: "UTC0"
  214: # time-stamp-end: "; # UTC"
  215: # End: