Annotation of rpl/missing, revision 1.5
1.1 bertrand 1: #! /bin/sh
2: # Common stub for a few missing GNU programs while installing.
3:
1.5 ! bertrand 4: scriptversion=2012-01-06.13; # UTC
1.1 bertrand 5:
6: # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
1.5 ! bertrand 7: # 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
1.1 bertrand 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 $# -ne 1; then
1.5 ! bertrand 219: eval LASTARG=\${$#}
1.1 bertrand 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 $# -ne 1; then
1.5 ! bertrand 249: eval LASTARG=\${$#}
1.1 bertrand 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:
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