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Comparing ircd-hybrid/trunk/missing (file contents):
Revision 1592 by michael, Sat Oct 27 21:02:32 2012 UTC vs.
Revision 1720 by michael, Fri Dec 28 21:06:21 2012 UTC

# Line 1 | Line 1
1   #! /bin/sh
2 < # Common stub for a few missing GNU programs while installing.
2 > # Common wrapper for a few potentially missing GNU programs.
3  
4 < scriptversion=2012-01-06.18; # UTC
4 > scriptversion=2012-06-26.16; # UTC
5  
6   # Copyright (C) 1996-2012 Free Software Foundation, Inc.
7 < # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
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
# Line 29 | Line 29 | if test $# -eq 0; then
29    exit 1
30   fi
31  
32 < run=:
33 < sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
34 < sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
35 <
36 < # In the cases where this matters, 'missing' is being run in the
37 < # srcdir already.
38 < if test -f configure.ac; then
39 <  configure_ac=configure.ac
40 < else
41 <  configure_ac=configure.in
42 < fi
32 > case $1 in
33  
34 < msg="missing on your system"
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 < case $1 in
41 < --run)
42 <  # Try to run requested program, and just exit if it succeeds.
43 <  run=
50 <  shift
51 <  "$@" && exit 0
52 <  # Exit code 63 means version mismatch.  This often happens
53 <  # when the user try to use an ancient version of a tool on
54 <  # a file that requires a minimum version.  In this case we
55 <  # we should proceed has if the program had been absent, or
56 <  # if --run hadn't been passed.
57 <  if test $? = 63; then
58 <    run=:
59 <    msg="probably too old"
60 <  fi
61 <  ;;
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 < Handle 'PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
50 < error status if there is no known handling for PROGRAM.
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
73  --run           try to run the given command, and emulate it if it fails
55  
56   Supported PROGRAM values:
57 <  aclocal      touch file 'aclocal.m4'
58 <  autoconf     touch file 'configure'
78 <  autoheader   touch file 'config.h.in'
79 <  autom4te     touch the output file, or create a stub one
80 <  automake     touch all 'Makefile.in' files
81 <  bison        create 'y.tab.[ch]', if possible, from existing .[ch]
82 <  flex         create 'lex.yy.c', if possible, from existing .c
83 <  help2man     touch the output file
84 <  lex          create 'lex.yy.c', if possible, from existing .c
85 <  makeinfo     touch the output file
86 <  yacc         create 'y.tab.[ch]', if possible, from existing .[ch]
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.
# Line 98 | Line 70 | Send bug reports to <bug-automake@gnu.or
70      ;;
71  
72    -*)
73 <    echo 1>&2 "$0: Unknown '$1' option"
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 < # normalize program name to check for.
81 < program=`echo "$1" | sed '
110 <  s/^gnu-//; t
111 <  s/^gnu//; t
112 <  s/^g//; t'`
113 <
114 < # Now exit if we have it, but it failed.  Also exit now if we
115 < # don't have it and --version was passed (most likely to detect
116 < # the program).  This is about non-GNU programs, so use $1 not
117 < # $program.
118 < case $1 in
119 <  lex*|yacc*)
120 <    # Not GNU programs, they don't have --version.
121 <    ;;
80 > # Run the given program, remember its exit status.
81 > "$@"; st=$?
82  
83 <  *)
84 <    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
125 <       # We have it, but it failed.
126 <       exit 1
127 <    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
128 <       # Could not run --version or --help.  This is probably someone
129 <       # running '$TOOL --version' or '$TOOL --help' to check whether
130 <       # $TOOL exists and not knowing $TOOL uses missing.
131 <       exit 1
132 <    fi
133 <    ;;
134 < esac
135 <
136 < # If it does not exist, or fails to run (possibly an outdated version),
137 < # try to emulate it.
138 < case $program in
139 <  aclocal*)
140 <    echo 1>&2 "\
141 < WARNING: '$1' is $msg.  You should only need it if
142 <         you modified 'acinclude.m4' or '${configure_ac}'.  You might want
143 <         to install the Automake and Perl packages.  Grab them from
144 <         any GNU archive site."
145 <    touch aclocal.m4
146 <    ;;
147 <
148 <  autoconf*)
149 <    echo 1>&2 "\
150 < WARNING: '$1' is $msg.  You should only need it if
151 <         you modified '${configure_ac}'.  You might want to install the
152 <         Autoconf and GNU m4 packages.  Grab them from any GNU
153 <         archive site."
154 <    touch configure
155 <    ;;
156 <
157 <  autoheader*)
158 <    echo 1>&2 "\
159 < WARNING: '$1' is $msg.  You should only need it if
160 <         you modified 'acconfig.h' or '${configure_ac}'.  You might want
161 <         to install the Autoconf and GNU m4 packages.  Grab them
162 <         from any GNU archive site."
163 <    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
164 <    test -z "$files" && files="config.h"
165 <    touch_files=
166 <    for f in $files; do
167 <      case $f in
168 <      *:*) touch_files="$touch_files "`echo "$f" |
169 <                                       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
170 <      *) touch_files="$touch_files $f.in";;
171 <      esac
172 <    done
173 <    touch $touch_files
174 <    ;;
83 > # If it succeeded, we are done.
84 > test $st -eq 0 && exit 0
85  
86 <  automake*)
87 <    echo 1>&2 "\
88 < WARNING: '$1' is $msg.  You should only need it if
89 <         you modified 'Makefile.am', 'acinclude.m4' or '${configure_ac}'.
90 <         You might want to install the Automake and Perl packages.
91 <         Grab them from any GNU archive site."
92 <    find . -type f -name Makefile.am -print |
93 <           sed 's/\.am$/.in/' |
94 <           while read f; do touch "$f"; done
95 <    ;;
96 <
97 <  autom4te*)
98 <    echo 1>&2 "\
99 < WARNING: '$1' is needed, but is $msg.
100 <         You might have modified some files without having the
101 <         proper tools for further handling them.
102 <         You can get '$1' as part of Autoconf from any GNU
193 <         archive site."
194 <
195 <    file=`echo "$*" | sed -n "$sed_output"`
196 <    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
197 <    if test -f "$file"; then
198 <        touch $file
199 <    else
200 <        test -z "$file" || exec >$file
201 <        echo "#! /bin/sh"
202 <        echo "# Created by GNU Automake missing as a replacement of"
203 <        echo "#  $ $@"
204 <        echo "exit 0"
205 <        chmod +x $file
206 <        exit 1
207 <    fi
208 <    ;;
209 <
210 <  bison*|yacc*)
211 <    echo 1>&2 "\
212 < WARNING: '$1' $msg.  You should only need it if
213 <         you modified a '.y' file.  You may need the Bison package
214 <         in order for those modifications to take effect.  You can get
215 <         Bison from any GNU archive site."
216 <    rm -f y.tab.c y.tab.h
217 <    if test $# -ne 1; then
218 <        eval LASTARG=\${$#}
219 <        case $LASTARG in
220 <        *.y)
221 <            SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
222 <            if test -f "$SRCFILE"; then
223 <                 cp "$SRCFILE" y.tab.c
224 <            fi
225 <            SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
226 <            if test -f "$SRCFILE"; then
227 <                 cp "$SRCFILE" y.tab.h
228 <            fi
229 <          ;;
230 <        esac
231 <    fi
232 <    if test ! -f y.tab.h; then
233 <        echo >y.tab.h
234 <    fi
235 <    if test ! -f y.tab.c; then
236 <        echo 'main() { return 0; }' >y.tab.c
237 <    fi
238 <    ;;
239 <
240 <  lex*|flex*)
241 <    echo 1>&2 "\
242 < WARNING: '$1' is $msg.  You should only need it if
243 <         you modified a '.l' file.  You may need the Flex package
244 <         in order for those modifications to take effect.  You can get
245 <         Flex from any GNU archive site."
246 <    rm -f lex.yy.c
247 <    if test $# -ne 1; then
248 <        eval LASTARG=\${$#}
249 <        case $LASTARG in
250 <        *.l)
251 <            SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
252 <            if test -f "$SRCFILE"; then
253 <                 cp "$SRCFILE" lex.yy.c
254 <            fi
255 <          ;;
256 <        esac
257 <    fi
258 <    if test ! -f lex.yy.c; then
259 <        echo 'main() { return 0; }' >lex.yy.c
260 <    fi
261 <    ;;
262 <
263 <  help2man*)
264 <    echo 1>&2 "\
265 < WARNING: '$1' is $msg.  You should only need it if
266 <         you modified a dependency of a manual page.  You may need the
267 <         Help2man package in order for those modifications to take
268 <         effect.  You can get Help2man from any GNU archive site."
269 <
270 <    file=`echo "$*" | sed -n "$sed_output"`
271 <    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
272 <    if test -f "$file"; then
273 <        touch $file
274 <    else
275 <        test -z "$file" || exec >$file
276 <        echo ".ab help2man is required to generate this page"
277 <        exit $?
278 <    fi
279 <    ;;
280 <
281 <  makeinfo*)
282 <    echo 1>&2 "\
283 < WARNING: '$1' is $msg.  You should only need it if
284 <         you modified a '.texi' or '.texinfo' file, or any other file
285 <         indirectly affecting the aspect of the manual.  The spurious
286 <         call might also be the consequence of using a buggy 'make' (AIX,
287 <         DU, IRIX).  You might want to install the Texinfo package or
288 <         the GNU make package.  Grab either from any GNU archive site."
289 <    # The file to touch is that specified with -o ...
290 <    file=`echo "$*" | sed -n "$sed_output"`
291 <    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
292 <    if test -z "$file"; then
293 <      # ... or it is the one specified with @setfilename ...
294 <      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
295 <      file=`sed -n '
296 <        /^@setfilename/{
297 <          s/.* \([^ ]*\) *$/\1/
298 <          p
299 <          q
300 <        }' $infile`
301 <      # ... or it is derived from the source name (dir/f.texi becomes f.info)
302 <      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
303 <    fi
304 <    # If the file does not exist, the user really needs makeinfo;
305 <    # let's fail without touching anything.
306 <    test -f $file || exit 1
307 <    touch $file
308 <    ;;
309 <
310 <  *)
311 <    echo 1>&2 "\
312 < WARNING: '$1' is needed, and is $msg.
313 <         You might have modified some files without having the
314 <         proper tools for further handling them.  Check the 'README' file,
315 <         it often tells you about the needed prerequisites for installing
316 <         this package.  You may also peek at any GNU archive site, in case
317 <         some other package would contain this missing '$1' program."
318 <    exit 1
319 <    ;;
320 < esac
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 < exit 0
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)

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