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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: |