Annotation of rpl/missing, revision 1.2
1.1 bertrand 1: #! /bin/sh
2: # Common stub for a few missing GNU programs while installing.
3:
4: scriptversion=2009-04-28.21; # UTC
5:
6: # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
7: # 2008, 2009 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: tar try tar, gnutar, gtar, then tar without non-portable flags
88: yacc create \`y.tab.[ch]', if possible, from existing .[ch]
89:
90: Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
91: \`g' are ignored when checking the name.
92:
93: Send bug reports to <bug-automake@gnu.org>."
94: exit $?
95: ;;
96:
97: -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
98: echo "missing $scriptversion (GNU Automake)"
99: exit $?
100: ;;
101:
102: -*)
103: echo 1>&2 "$0: Unknown \`$1' option"
104: echo 1>&2 "Try \`$0 --help' for more information"
105: exit 1
106: ;;
107:
108: esac
109:
110: # normalize program name to check for.
111: program=`echo "$1" | sed '
112: s/^gnu-//; t
113: s/^gnu//; t
114: s/^g//; t'`
115:
116: # Now exit if we have it, but it failed. Also exit now if we
117: # don't have it and --version was passed (most likely to detect
118: # the program). This is about non-GNU programs, so use $1 not
119: # $program.
120: case $1 in
121: lex*|yacc*)
122: # Not GNU programs, they don't have --version.
123: ;;
124:
125: tar*)
126: if test -n "$run"; then
127: echo 1>&2 "ERROR: \`tar' requires --run"
128: exit 1
129: elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
130: exit 1
131: fi
132: ;;
133:
134: *)
135: if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
136: # We have it, but it failed.
137: exit 1
138: elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
139: # Could not run --version or --help. This is probably someone
140: # running `$TOOL --version' or `$TOOL --help' to check whether
141: # $TOOL exists and not knowing $TOOL uses missing.
142: exit 1
143: fi
144: ;;
145: esac
146:
147: # If it does not exist, or fails to run (possibly an outdated version),
148: # try to emulate it.
149: case $program in
150: aclocal*)
151: echo 1>&2 "\
152: WARNING: \`$1' is $msg. You should only need it if
153: you modified \`acinclude.m4' or \`${configure_ac}'. You might want
154: to install the \`Automake' and \`Perl' packages. Grab them from
155: any GNU archive site."
156: touch aclocal.m4
157: ;;
158:
159: autoconf*)
160: echo 1>&2 "\
161: WARNING: \`$1' is $msg. You should only need it if
162: you modified \`${configure_ac}'. You might want to install the
163: \`Autoconf' and \`GNU m4' packages. Grab them from any GNU
164: archive site."
165: touch configure
166: ;;
167:
168: autoheader*)
169: echo 1>&2 "\
170: WARNING: \`$1' is $msg. You should only need it if
171: you modified \`acconfig.h' or \`${configure_ac}'. You might want
172: to install the \`Autoconf' and \`GNU m4' packages. Grab them
173: from any GNU archive site."
174: files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
175: test -z "$files" && files="config.h"
176: touch_files=
177: for f in $files; do
178: case $f in
179: *:*) touch_files="$touch_files "`echo "$f" |
180: sed -e 's/^[^:]*://' -e 's/:.*//'`;;
181: *) touch_files="$touch_files $f.in";;
182: esac
183: done
184: touch $touch_files
185: ;;
186:
187: automake*)
188: echo 1>&2 "\
189: WARNING: \`$1' is $msg. You should only need it if
190: you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
191: You might want to install the \`Automake' and \`Perl' packages.
192: Grab them from any GNU archive site."
193: find . -type f -name Makefile.am -print |
194: sed 's/\.am$/.in/' |
195: while read f; do touch "$f"; done
196: ;;
197:
198: autom4te*)
199: echo 1>&2 "\
200: WARNING: \`$1' is needed, but is $msg.
201: You might have modified some files without having the
202: proper tools for further handling them.
203: You can get \`$1' as part of \`Autoconf' from any GNU
204: archive site."
205:
206: file=`echo "$*" | sed -n "$sed_output"`
207: test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
208: if test -f "$file"; then
209: touch $file
210: else
211: test -z "$file" || exec >$file
212: echo "#! /bin/sh"
213: echo "# Created by GNU Automake missing as a replacement of"
214: echo "# $ $@"
215: echo "exit 0"
216: chmod +x $file
217: exit 1
218: fi
219: ;;
220:
221: bison*|yacc*)
222: echo 1>&2 "\
223: WARNING: \`$1' $msg. You should only need it if
224: you modified a \`.y' file. You may need the \`Bison' package
225: in order for those modifications to take effect. You can get
226: \`Bison' from any GNU archive site."
227: rm -f y.tab.c y.tab.h
228: if test $# -ne 1; then
229: eval LASTARG="\${$#}"
230: case $LASTARG in
231: *.y)
232: SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
233: if test -f "$SRCFILE"; then
234: cp "$SRCFILE" y.tab.c
235: fi
236: SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
237: if test -f "$SRCFILE"; then
238: cp "$SRCFILE" y.tab.h
239: fi
240: ;;
241: esac
242: fi
243: if test ! -f y.tab.h; then
244: echo >y.tab.h
245: fi
246: if test ! -f y.tab.c; then
247: echo 'main() { return 0; }' >y.tab.c
248: fi
249: ;;
250:
251: lex*|flex*)
252: echo 1>&2 "\
253: WARNING: \`$1' is $msg. You should only need it if
254: you modified a \`.l' file. You may need the \`Flex' package
255: in order for those modifications to take effect. You can get
256: \`Flex' from any GNU archive site."
257: rm -f lex.yy.c
258: if test $# -ne 1; then
259: eval LASTARG="\${$#}"
260: case $LASTARG in
261: *.l)
262: SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
263: if test -f "$SRCFILE"; then
264: cp "$SRCFILE" lex.yy.c
265: fi
266: ;;
267: esac
268: fi
269: if test ! -f lex.yy.c; then
270: echo 'main() { return 0; }' >lex.yy.c
271: fi
272: ;;
273:
274: help2man*)
275: echo 1>&2 "\
276: WARNING: \`$1' is $msg. You should only need it if
277: you modified a dependency of a manual page. You may need the
278: \`Help2man' package in order for those modifications to take
279: effect. You can get \`Help2man' from any GNU archive site."
280:
281: file=`echo "$*" | sed -n "$sed_output"`
282: test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
283: if test -f "$file"; then
284: touch $file
285: else
286: test -z "$file" || exec >$file
287: echo ".ab help2man is required to generate this page"
288: exit $?
289: fi
290: ;;
291:
292: makeinfo*)
293: echo 1>&2 "\
294: WARNING: \`$1' is $msg. You should only need it if
295: you modified a \`.texi' or \`.texinfo' file, or any other file
296: indirectly affecting the aspect of the manual. The spurious
297: call might also be the consequence of using a buggy \`make' (AIX,
298: DU, IRIX). You might want to install the \`Texinfo' package or
299: the \`GNU make' package. Grab either from any GNU archive site."
300: # The file to touch is that specified with -o ...
301: file=`echo "$*" | sed -n "$sed_output"`
302: test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
303: if test -z "$file"; then
304: # ... or it is the one specified with @setfilename ...
305: infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
306: file=`sed -n '
307: /^@setfilename/{
308: s/.* \([^ ]*\) *$/\1/
309: p
310: q
311: }' $infile`
312: # ... or it is derived from the source name (dir/f.texi becomes f.info)
313: test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
314: fi
315: # If the file does not exist, the user really needs makeinfo;
316: # let's fail without touching anything.
317: test -f $file || exit 1
318: touch $file
319: ;;
320:
321: tar*)
322: shift
323:
324: # We have already tried tar in the generic part.
325: # Look for gnutar/gtar before invocation to avoid ugly error
326: # messages.
327: if (gnutar --version > /dev/null 2>&1); then
328: gnutar "$@" && exit 0
329: fi
330: if (gtar --version > /dev/null 2>&1); then
331: gtar "$@" && exit 0
332: fi
333: firstarg="$1"
334: if shift; then
335: case $firstarg in
336: *o*)
337: firstarg=`echo "$firstarg" | sed s/o//`
338: tar "$firstarg" "$@" && exit 0
339: ;;
340: esac
341: case $firstarg in
342: *h*)
343: firstarg=`echo "$firstarg" | sed s/h//`
344: tar "$firstarg" "$@" && exit 0
345: ;;
346: esac
347: fi
348:
349: echo 1>&2 "\
350: WARNING: I can't seem to be able to run \`tar' with the given arguments.
351: You may want to install GNU tar or Free paxutils, or check the
352: command line arguments."
353: exit 1
354: ;;
355:
356: *)
357: echo 1>&2 "\
358: WARNING: \`$1' is needed, and is $msg.
359: You might have modified some files without having the
360: proper tools for further handling them. Check the \`README' file,
361: it often tells you about the needed prerequisites for installing
362: this package. You may also peek at any GNU archive site, in case
363: some other package would contain this missing \`$1' program."
364: exit 1
365: ;;
366: esac
367:
368: exit 0
369:
370: # Local variables:
371: # eval: (add-hook 'write-file-hooks 'time-stamp)
372: # time-stamp-start: "scriptversion="
373: # time-stamp-format: "%:y-%02m-%02d.%02H"
374: # time-stamp-time-zone: "UTC"
375: # time-stamp-end: "; # UTC"
376: # End:
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