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1 #! /bin/sh
2 # Common stub for a few missing GNU programs while installing.
3
4 scriptversion=2006-05-10.23
5
6 # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006
7 # Free Software Foundation, Inc.
8 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
9
10 # This program is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 2, or (at your option)
13 # any later version.
14
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
19
20 # You should have received a copy of the GNU General Public License
21 # along with this program; if not, write to the Free Software
22 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 # 02110-1301, USA.
24
25 # As a special exception to the GNU General Public License, if you
26 # distribute this file as part of a program that contains a
27 # configuration script generated by Autoconf, you may include it under
28 # the same distribution terms that you use for the rest of that program.
29
30 if test $# -eq 0; then
31 echo 1>&2 "Try \`$0 --help' for more information"
32 exit 1
33 fi
34
35 run=:
36 sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
37 sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
38
39 # In the cases where this matters, `missing' is being run in the
40 # srcdir already.
41 if test -f configure.ac; then
42 configure_ac=configure.ac
43 else
44 configure_ac=configure.in
45 fi
46
47 msg="missing on your system"
48
49 case $1 in
50 --run)
51 # Try to run requested program, and just exit if it succeeds.
52 run=
53 shift
54 "$@" && exit 0
55 # Exit code 63 means version mismatch. This often happens
56 # when the user try to use an ancient version of a tool on
57 # a file that requires a minimum version. In this case we
58 # we should proceed has if the program had been absent, or
59 # if --run hadn't been passed.
60 if test $? = 63; then
61 run=:
62 msg="probably too old"
63 fi
64 ;;
65
66 -h|--h|--he|--hel|--help)
67 echo "\
68 $0 [OPTION]... PROGRAM [ARGUMENT]...
69
70 Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
71 error status if there is no known handling for PROGRAM.
72
73 Options:
74 -h, --help display this help and exit
75 -v, --version output version information and exit
76 --run try to run the given command, and emulate it if it fails
77
78 Supported PROGRAM values:
79 aclocal touch file \`aclocal.m4'
80 autoconf touch file \`configure'
81 autoheader touch file \`config.h.in'
82 autom4te touch the output file, or create a stub one
83 automake touch all \`Makefile.in' files
84 bison create \`y.tab.[ch]', if possible, from existing .[ch]
85 flex create \`lex.yy.c', if possible, from existing .c
86 help2man touch the output file
87 lex create \`lex.yy.c', if possible, from existing .c
88 makeinfo touch the output file
89 tar try tar, gnutar, gtar, then tar without non-portable flags
90 yacc create \`y.tab.[ch]', if possible, from existing .[ch]
91
92 Send bug reports to <bug-automake@gnu.org>."
93 exit $?
94 ;;
95
96 -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
97 echo "missing $scriptversion (GNU Automake)"
98 exit $?
99 ;;
100
101 -*)
102 echo 1>&2 "$0: Unknown \`$1' option"
103 echo 1>&2 "Try \`$0 --help' for more information"
104 exit 1
105 ;;
106
107 esac
108
109 # Now exit if we have it, but it failed. Also exit now if we
110 # don't have it and --version was passed (most likely to detect
111 # the program).
112 case $1 in
113 lex|yacc)
114 # Not GNU programs, they don't have --version.
115 ;;
116
117 tar)
118 if test -n "$run"; then
119 echo 1>&2 "ERROR: \`tar' requires --run"
120 exit 1
121 elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
122 exit 1
123 fi
124 ;;
125
126 *)
127 if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
128 # We have it, but it failed.
129 exit 1
130 elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
131 # Could not run --version or --help. This is probably someone
132 # running `$TOOL --version' or `$TOOL --help' to check whether
133 # $TOOL exists and not knowing $TOOL uses missing.
134 exit 1
135 fi
136 ;;
137 esac
138
139 # If it does not exist, or fails to run (possibly an outdated version),
140 # try to emulate it.
141 case $1 in
142 aclocal*)
143 echo 1>&2 "\
144 WARNING: \`$1' is $msg. You should only need it if
145 you modified \`acinclude.m4' or \`${configure_ac}'. You might want
146 to install the \`Automake' and \`Perl' packages. Grab them from
147 any GNU archive site."
148 touch aclocal.m4
149 ;;
150
151 autoconf)
152 echo 1>&2 "\
153 WARNING: \`$1' is $msg. You should only need it if
154 you modified \`${configure_ac}'. You might want to install the
155 \`Autoconf' and \`GNU m4' packages. Grab them from any GNU
156 archive site."
157 touch configure
158 ;;
159
160 autoheader)
161 echo 1>&2 "\
162 WARNING: \`$1' is $msg. You should only need it if
163 you modified \`acconfig.h' or \`${configure_ac}'. You might want
164 to install the \`Autoconf' and \`GNU m4' packages. Grab them
165 from any GNU archive site."
166 files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
167 test -z "$files" && files="config.h"
168 touch_files=
169 for f in $files; do
170 case $f in
171 *:*) touch_files="$touch_files "`echo "$f" |
172 sed -e 's/^[^:]*://' -e 's/:.*//'`;;
173 *) touch_files="$touch_files $f.in";;
174 esac
175 done
176 touch $touch_files
177 ;;
178
179 automake*)
180 echo 1>&2 "\
181 WARNING: \`$1' is $msg. You should only need it if
182 you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
183 You might want to install the \`Automake' and \`Perl' packages.
184 Grab them from any GNU archive site."
185 find . -type f -name Makefile.am -print |
186 sed 's/\.am$/.in/' |
187 while read f; do touch "$f"; done
188 ;;
189
190 autom4te)
191 echo 1>&2 "\
192 WARNING: \`$1' is needed, but is $msg.
193 You might have modified some files without having the
194 proper tools for further handling them.
195 You can get \`$1' as part of \`Autoconf' from any GNU
196 archive site."
197
198 file=`echo "$*" | sed -n "$sed_output"`
199 test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
200 if test -f "$file"; then
201 touch $file
202 else
203 test -z "$file" || exec >$file
204 echo "#! /bin/sh"
205 echo "# Created by GNU Automake missing as a replacement of"
206 echo "# $ $@"
207 echo "exit 0"
208 chmod +x $file
209 exit 1
210 fi
211 ;;
212
213 bison|yacc)
214 echo 1>&2 "\
215 WARNING: \`$1' $msg. You should only need it if
216 you modified a \`.y' file. You may need the \`Bison' package
217 in order for those modifications to take effect. You can get
218 \`Bison' from any GNU archive site."
219 rm -f y.tab.c y.tab.h
220 if test $# -ne 1; then
221 eval LASTARG="\${$#}"
222 case $LASTARG in
223 *.y)
224 SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
225 if test -f "$SRCFILE"; then
226 cp "$SRCFILE" y.tab.c
227 fi
228 SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
229 if test -f "$SRCFILE"; then
230 cp "$SRCFILE" y.tab.h
231 fi
232 ;;
233 esac
234 fi
235 if test ! -f y.tab.h; then
236 echo >y.tab.h
237 fi
238 if test ! -f y.tab.c; then
239 echo 'main() { return 0; }' >y.tab.c
240 fi
241 ;;
242
243 lex|flex)
244 echo 1>&2 "\
245 WARNING: \`$1' is $msg. You should only need it if
246 you modified a \`.l' file. You may need the \`Flex' package
247 in order for those modifications to take effect. You can get
248 \`Flex' from any GNU archive site."
249 rm -f lex.yy.c
250 if test $# -ne 1; then
251 eval LASTARG="\${$#}"
252 case $LASTARG in
253 *.l)
254 SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
255 if test -f "$SRCFILE"; then
256 cp "$SRCFILE" lex.yy.c
257 fi
258 ;;
259 esac
260 fi
261 if test ! -f lex.yy.c; then
262 echo 'main() { return 0; }' >lex.yy.c
263 fi
264 ;;
265
266 help2man)
267 echo 1>&2 "\
268 WARNING: \`$1' is $msg. You should only need it if
269 you modified a dependency of a manual page. You may need the
270 \`Help2man' package in order for those modifications to take
271 effect. You can get \`Help2man' from any GNU archive site."
272
273 file=`echo "$*" | sed -n "$sed_output"`
274 test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
275 if test -f "$file"; then
276 touch $file
277 else
278 test -z "$file" || exec >$file
279 echo ".ab help2man is required to generate this page"
280 exit 1
281 fi
282 ;;
283
284 makeinfo)
285 echo 1>&2 "\
286 WARNING: \`$1' is $msg. You should only need it if
287 you modified a \`.texi' or \`.texinfo' file, or any other file
288 indirectly affecting the aspect of the manual. The spurious
289 call might also be the consequence of using a buggy \`make' (AIX,
290 DU, IRIX). You might want to install the \`Texinfo' package or
291 the \`GNU make' package. Grab either from any GNU archive site."
292 # The file to touch is that specified with -o ...
293 file=`echo "$*" | sed -n "$sed_output"`
294 test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
295 if test -z "$file"; then
296 # ... or it is the one specified with @setfilename ...
297 infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
298 file=`sed -n '
299 /^@setfilename/{
300 s/.* \([^ ]*\) *$/\1/
301 p
302 q
303 }' $infile`
304 # ... or it is derived from the source name (dir/f.texi becomes f.info)
305 test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
306 fi
307 # If the file does not exist, the user really needs makeinfo;
308 # let's fail without touching anything.
309 test -f $file || exit 1
310 touch $file
311 ;;
312
313 tar)
314 shift
315
316 # We have already tried tar in the generic part.
317 # Look for gnutar/gtar before invocation to avoid ugly error
318 # messages.
319 if (gnutar --version > /dev/null 2>&1); then
320 gnutar "$@" && exit 0
321 fi
322 if (gtar --version > /dev/null 2>&1); then
323 gtar "$@" && exit 0
324 fi
325 firstarg="$1"
326 if shift; then
327 case $firstarg in
328 *o*)
329 firstarg=`echo "$firstarg" | sed s/o//`
330 tar "$firstarg" "$@" && exit 0
331 ;;
332 esac
333 case $firstarg in
334 *h*)
335 firstarg=`echo "$firstarg" | sed s/h//`
336 tar "$firstarg" "$@" && exit 0
337 ;;
338 esac
339 fi
340
341 echo 1>&2 "\
342 WARNING: I can't seem to be able to run \`tar' with the given arguments.
343 You may want to install GNU tar or Free paxutils, or check the
344 command line arguments."
345 exit 1
346 ;;
347
348 *)
349 echo 1>&2 "\
350 WARNING: \`$1' is needed, and is $msg.
351 You might have modified some files without having the
352 proper tools for further handling them. Check the \`README' file,
353 it often tells you about the needed prerequisites for installing
354 this package. You may also peek at any GNU archive site, in case
355 some other package would contain this missing \`$1' program."
356 exit 1
357 ;;
358 esac
359
360 exit 0
361
362 # Local variables:
363 # eval: (add-hook 'write-file-hooks 'time-stamp)
364 # time-stamp-start: "scriptversion="
365 # time-stamp-format: "%:y-%02m-%02d.%02H"
366 # time-stamp-end: "$"
367 # End: