Contents of /lbbs/missing

#! /bin/sh
# Common wrapper for a few potentially missing GNU programs.

scriptversion=2018-03-07.03; # UTC

# Copyright (C) 1996-2021 Free Software Foundation, Inc.
# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

if test $# -eq 0; then
  echo 1>&2 "Try '$0 --help' for more information"
  exit 1
fi

case $1 in

  --is-lightweight)
    # Used by our autoconf macros to check whether the available missing
    # script is modern enough.
    exit 0
    ;;

  --run)
    # Back-compat with the calling convention used by older automake.
    shift
    ;;

  -h|--h|--he|--hel|--help)
    echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...

Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
to PROGRAM being missing or too old.

Options:
  -h, --help      display this help and exit
  -v, --version   output version information and exit

Supported PROGRAM values:
  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
  bison     yacc      flex         lex       help2man

Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
'g' are ignored when checking the name.

Send bug reports to <bug-automake@gnu.org>."
    exit $?
    ;;

  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
    echo "missing $scriptversion (GNU Automake)"
    exit $?
    ;;

  -*)
    echo 1>&2 "$0: unknown '$1' option"
    echo 1>&2 "Try '$0 --help' for more information"
    exit 1
    ;;

esac

# Run the given program, remember its exit status.
"$@"; st=$?

# If it succeeded, we are done.
test $st -eq 0 && exit 0

# Also exit now if we it failed (or wasn't found), and '--version' was
# passed; such an option is passed most likely to detect whether the
# program is present and works.
case $2 in --version|--help) exit $st;; esac

# Exit code 63 means version mismatch.  This often happens when the user
# tries to use an ancient version of a tool on a file that requires a
# minimum version.
if test $st -eq 63; then
  msg="probably too old"
elif test $st -eq 127; then
  # Program was missing.
  msg="missing on your system"
else
  # Program was found and executed, but failed.  Give up.
  exit $st
fi

perl_URL=https://www.perl.org/
flex_URL=https://github.com/westes/flex
gnu_software_URL=https://www.gnu.org/software

program_details ()
{
  case $1 in
    aclocal|automake)
      echo "The '$1' program is part of the GNU Automake package:"
      echo "<$gnu_software_URL/automake>"
      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
      echo "<$gnu_software_URL/autoconf>"
      echo "<$gnu_software_URL/m4/>"
      echo "<$perl_URL>"
      ;;
    autoconf|autom4te|autoheader)
      echo "The '$1' program is part of the GNU Autoconf package:"
      echo "<$gnu_software_URL/autoconf/>"
      echo "It also requires GNU m4 and Perl in order to run:"
      echo "<$gnu_software_URL/m4/>"
      echo "<$perl_URL>"
      ;;
  esac
}

give_advice ()
{
  # Normalize program name to check for.
  normalized_program=`echo "$1" | sed '
    s/^gnu-//; t
    s/^gnu//; t
    s/^g//; t'`

  printf '%s\n' "'$1' is $msg."

  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
  case $normalized_program in
    autoconf*)
      echo "You should only need it if you modified 'configure.ac',"
      echo "or m4 files included by it."
      program_details 'autoconf'
      ;;
    autoheader*)
      echo "You should only need it if you modified 'acconfig.h' or"
      echo "$configure_deps."
      program_details 'autoheader'
      ;;
    automake*)
      echo "You should only need it if you modified 'Makefile.am' or"
      echo "$configure_deps."
      program_details 'automake'
      ;;
    aclocal*)
      echo "You should only need it if you modified 'acinclude.m4' or"
      echo "$configure_deps."
      program_details 'aclocal'
      ;;
   autom4te*)
      echo "You might have modified some maintainer files that require"
      echo "the 'autom4te' program to be rebuilt."
      program_details 'autom4te'
      ;;
    bison*|yacc*)
      echo "You should only need it if you modified a '.y' file."
      echo "You may want to install the GNU Bison package:"
      echo "<$gnu_software_URL/bison/>"
      ;;
    lex*|flex*)
      echo "You should only need it if you modified a '.l' file."
      echo "You may want to install the Fast Lexical Analyzer package:"
      echo "<$flex_URL>"
      ;;
    help2man*)
      echo "You should only need it if you modified a dependency" \
           "of a man page."
      echo "You may want to install the GNU Help2man package:"
      echo "<$gnu_software_URL/help2man/>"
    ;;
    makeinfo*)
      echo "You should only need it if you modified a '.texi' file, or"
      echo "any other file indirectly affecting the aspect of the manual."
      echo "You might want to install the Texinfo package:"
      echo "<$gnu_software_URL/texinfo/>"
      echo "The spurious makeinfo call might also be the consequence of"
      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
      echo "want to install GNU make:"
      echo "<$gnu_software_URL/make/>"
      ;;
    *)
      echo "You might have modified some files without having the proper"
      echo "tools for further handling them.  Check the 'README' file, it"
      echo "often tells you about the needed prerequisites for installing"
      echo "this package.  You may also peek at any GNU archive site, in"
      echo "case some other package contains this missing '$1' program."
      ;;
  esac
}

give_advice "$1" | sed -e '1s/^/WARNING: /' \
                       -e '2,$s/^/         /' >&2

# Propagate the correct exit status (expected to be 127 for a program
# not found, 63 for a program that failed due to version mismatch).
exit $st

# Local variables:
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End:
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) 1996-2021 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:
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