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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: