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1 | #! /bin/sh |
2 | # Common stub for a few missing GNU programs while installing. | |
3 | ||
4 | scriptversion=2012-01-06.13; # UTC | |
5 | ||
6 | # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006, | |
7 | # 2008, 2009, 2010, 2011, 2012 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, see <http://www.gnu.org/licenses/>. | |
22 | ||
23 | # As a special exception to the GNU General Public License, if you | |
24 | # distribute this file as part of a program that contains a | |
25 | # configuration script generated by Autoconf, you may include it under | |
26 | # the same distribution terms that you use for the rest of that program. | |
27 | ||
28 | if test $# -eq 0; then | |
29 | echo 1>&2 "Try \`$0 --help' for more information" | |
30 | exit 1 | |
31 | fi | |
32 | ||
33 | run=: | |
34 | sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' | |
35 | sed_minuso='s/.* -o \([^ ]*\).*/\1/p' | |
36 | ||
37 | # In the cases where this matters, `missing' is being run in the | |
38 | # srcdir already. | |
39 | if test -f configure.ac; then | |
40 | configure_ac=configure.ac | |
41 | else | |
42 | configure_ac=configure.in | |
43 | fi | |
44 | ||
45 | msg="missing on your system" | |
46 | ||
47 | case $1 in | |
48 | --run) | |
49 | # Try to run requested program, and just exit if it succeeds. | |
50 | run= | |
51 | shift | |
52 | "$@" && exit 0 | |
53 | # Exit code 63 means version mismatch. This often happens | |
54 | # when the user try to use an ancient version of a tool on | |
55 | # a file that requires a minimum version. In this case we | |
56 | # we should proceed has if the program had been absent, or | |
57 | # if --run hadn't been passed. | |
58 | if test $? = 63; then | |
59 | run=: | |
60 | msg="probably too old" | |
61 | fi | |
62 | ;; | |
63 | ||
64 | -h|--h|--he|--hel|--help) | |
65 | echo "\ | |
66 | $0 [OPTION]... PROGRAM [ARGUMENT]... | |
67 | ||
68 | Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an | |
69 | error status if there is no known handling for PROGRAM. | |
70 | ||
71 | Options: | |
72 | -h, --help display this help and exit | |
73 | -v, --version output version information and exit | |
74 | --run try to run the given command, and emulate it if it fails | |
75 | ||
76 | Supported PROGRAM values: | |
77 | aclocal touch file \`aclocal.m4' | |
78 | autoconf touch file \`configure' | |
79 | autoheader touch file \`config.h.in' | |
80 | autom4te touch the output file, or create a stub one | |
81 | automake touch all \`Makefile.in' files | |
82 | bison create \`y.tab.[ch]', if possible, from existing .[ch] | |
83 | flex create \`lex.yy.c', if possible, from existing .c | |
84 | help2man touch the output file | |
85 | lex create \`lex.yy.c', if possible, from existing .c | |
86 | makeinfo touch the output file | |
87 | yacc create \`y.tab.[ch]', if possible, from existing .[ch] | |
88 | ||
89 | Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and | |
90 | \`g' are ignored when checking the name. | |
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 | # normalize program name to check for. | |
110 | program=`echo "$1" | sed ' | |
111 | s/^gnu-//; t | |
112 | s/^gnu//; t | |
113 | s/^g//; t'` | |
114 | ||
115 | # Now exit if we have it, but it failed. Also exit now if we | |
116 | # don't have it and --version was passed (most likely to detect | |
117 | # the program). This is about non-GNU programs, so use $1 not | |
118 | # $program. | |
119 | case $1 in | |
120 | lex*|yacc*) | |
121 | # Not GNU programs, they don't have --version. | |
122 | ;; | |
123 | ||
124 | *) | |
125 | if test -z "$run" && ($1 --version) > /dev/null 2>&1; then | |
126 | # We have it, but it failed. | |
127 | exit 1 | |
128 | elif test "x$2" = "x--version" || test "x$2" = "x--help"; then | |
129 | # Could not run --version or --help. This is probably someone | |
130 | # running `$TOOL --version' or `$TOOL --help' to check whether | |
131 | # $TOOL exists and not knowing $TOOL uses missing. | |
132 | exit 1 | |
133 | fi | |
134 | ;; | |
135 | esac | |
136 | ||
137 | # If it does not exist, or fails to run (possibly an outdated version), | |
138 | # try to emulate it. | |
139 | case $program in | |
140 | aclocal*) | |
141 | echo 1>&2 "\ | |
142 | WARNING: \`$1' is $msg. You should only need it if | |
143 | you modified \`acinclude.m4' or \`${configure_ac}'. You might want | |
144 | to install the \`Automake' and \`Perl' packages. Grab them from | |
145 | any GNU archive site." | |
146 | touch aclocal.m4 | |
147 | ;; | |
148 | ||
149 | autoconf*) | |
150 | echo 1>&2 "\ | |
151 | WARNING: \`$1' is $msg. You should only need it if | |
152 | you modified \`${configure_ac}'. You might want to install the | |
153 | \`Autoconf' and \`GNU m4' packages. Grab them from any GNU | |
154 | archive site." | |
155 | touch configure | |
156 | ;; | |
157 | ||
158 | autoheader*) | |
159 | echo 1>&2 "\ | |
160 | WARNING: \`$1' is $msg. You should only need it if | |
161 | you modified \`acconfig.h' or \`${configure_ac}'. You might want | |
162 | to install the \`Autoconf' and \`GNU m4' packages. Grab them | |
163 | from any GNU archive site." | |
164 | files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` | |
165 | test -z "$files" && files="config.h" | |
166 | touch_files= | |
167 | for f in $files; do | |
168 | case $f in | |
169 | *:*) touch_files="$touch_files "`echo "$f" | | |
170 | sed -e 's/^[^:]*://' -e 's/:.*//'`;; | |
171 | *) touch_files="$touch_files $f.in";; | |
172 | esac | |
173 | done | |
174 | touch $touch_files | |
175 | ;; | |
176 | ||
177 | automake*) | |
178 | echo 1>&2 "\ | |
179 | WARNING: \`$1' is $msg. You should only need it if | |
180 | you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'. | |
181 | You might want to install the \`Automake' and \`Perl' packages. | |
182 | Grab them from any GNU archive site." | |
183 | find . -type f -name Makefile.am -print | | |
184 | sed 's/\.am$/.in/' | | |
185 | while read f; do touch "$f"; done | |
186 | ;; | |
187 | ||
188 | autom4te*) | |
189 | echo 1>&2 "\ | |
190 | WARNING: \`$1' is needed, but is $msg. | |
191 | You might have modified some files without having the | |
192 | proper tools for further handling them. | |
193 | You can get \`$1' as part of \`Autoconf' from any GNU | |
194 | archive site." | |
195 | ||
196 | file=`echo "$*" | sed -n "$sed_output"` | |
197 | test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` | |
198 | if test -f "$file"; then | |
199 | touch $file | |
200 | else | |
201 | test -z "$file" || exec >$file | |
202 | echo "#! /bin/sh" | |
203 | echo "# Created by GNU Automake missing as a replacement of" | |
204 | echo "# $ $@" | |
205 | echo "exit 0" | |
206 | chmod +x $file | |
207 | exit 1 | |
208 | fi | |
209 | ;; | |
210 | ||
211 | bison*|yacc*) | |
212 | echo 1>&2 "\ | |
213 | WARNING: \`$1' $msg. You should only need it if | |
214 | you modified a \`.y' file. You may need the \`Bison' package | |
215 | in order for those modifications to take effect. You can get | |
216 | \`Bison' from any GNU archive site." | |
217 | rm -f y.tab.c y.tab.h | |
218 | if test $# -ne 1; then | |
219 | eval LASTARG=\${$#} | |
220 | case $LASTARG in | |
221 | *.y) | |
222 | SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` | |
223 | if test -f "$SRCFILE"; then | |
224 | cp "$SRCFILE" y.tab.c | |
225 | fi | |
226 | SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` | |
227 | if test -f "$SRCFILE"; then | |
228 | cp "$SRCFILE" y.tab.h | |
229 | fi | |
230 | ;; | |
231 | esac | |
232 | fi | |
233 | if test ! -f y.tab.h; then | |
234 | echo >y.tab.h | |
235 | fi | |
236 | if test ! -f y.tab.c; then | |
237 | echo 'main() { return 0; }' >y.tab.c | |
238 | fi | |
239 | ;; | |
240 | ||
241 | lex*|flex*) | |
242 | echo 1>&2 "\ | |
243 | WARNING: \`$1' is $msg. You should only need it if | |
244 | you modified a \`.l' file. You may need the \`Flex' package | |
245 | in order for those modifications to take effect. You can get | |
246 | \`Flex' from any GNU archive site." | |
247 | rm -f lex.yy.c | |
248 | if test $# -ne 1; then | |
249 | eval LASTARG=\${$#} | |
250 | case $LASTARG in | |
251 | *.l) | |
252 | SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` | |
253 | if test -f "$SRCFILE"; then | |
254 | cp "$SRCFILE" lex.yy.c | |
255 | fi | |
256 | ;; | |
257 | esac | |
258 | fi | |
259 | if test ! -f lex.yy.c; then | |
260 | echo 'main() { return 0; }' >lex.yy.c | |
261 | fi | |
262 | ;; | |
263 | ||
264 | help2man*) | |
265 | echo 1>&2 "\ | |
266 | WARNING: \`$1' is $msg. You should only need it if | |
267 | you modified a dependency of a manual page. You may need the | |
268 | \`Help2man' package in order for those modifications to take | |
269 | effect. You can get \`Help2man' from any GNU archive site." | |
270 | ||
271 | file=`echo "$*" | sed -n "$sed_output"` | |
272 | test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` | |
273 | if test -f "$file"; then | |
274 | touch $file | |
275 | else | |
276 | test -z "$file" || exec >$file | |
277 | echo ".ab help2man is required to generate this page" | |
278 | exit $? | |
279 | fi | |
280 | ;; | |
281 | ||
282 | makeinfo*) | |
283 | echo 1>&2 "\ | |
284 | WARNING: \`$1' is $msg. You should only need it if | |
285 | you modified a \`.texi' or \`.texinfo' file, or any other file | |
286 | indirectly affecting the aspect of the manual. The spurious | |
287 | call might also be the consequence of using a buggy \`make' (AIX, | |
288 | DU, IRIX). You might want to install the \`Texinfo' package or | |
289 | the \`GNU make' package. Grab either from any GNU archive site." | |
290 | # The file to touch is that specified with -o ... | |
291 | file=`echo "$*" | sed -n "$sed_output"` | |
292 | test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` | |
293 | if test -z "$file"; then | |
294 | # ... or it is the one specified with @setfilename ... | |
295 | infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` | |
296 | file=`sed -n ' | |
297 | /^@setfilename/{ | |
298 | s/.* \([^ ]*\) *$/\1/ | |
299 | p | |
300 | q | |
301 | }' $infile` | |
302 | # ... or it is derived from the source name (dir/f.texi becomes f.info) | |
303 | test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info | |
304 | fi | |
305 | # If the file does not exist, the user really needs makeinfo; | |
306 | # let's fail without touching anything. | |
307 | test -f $file || exit 1 | |
308 | touch $file | |
309 | ;; | |
310 | ||
311 | *) | |
312 | echo 1>&2 "\ | |
313 | WARNING: \`$1' is needed, and is $msg. | |
314 | You might have modified some files without having the | |
315 | proper tools for further handling them. Check the \`README' file, | |
316 | it often tells you about the needed prerequisites for installing | |
317 | this package. You may also peek at any GNU archive site, in case | |
318 | some other package would contain this missing \`$1' program." | |
319 | exit 1 | |
320 | ;; | |
321 | esac | |
322 | ||
323 | exit 0 | |
324 | ||
325 | # Local variables: | |
326 | # eval: (add-hook 'write-file-hooks 'time-stamp) | |
327 | # time-stamp-start: "scriptversion=" | |
328 | # time-stamp-format: "%:y-%02m-%02d.%02H" | |
329 | # time-stamp-time-zone: "UTC" | |
330 | # time-stamp-end: "; # UTC" | |
331 | # End: |