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revision 1.1, Mon Nov 13 20:42:23 2006 UTC revision 1.2, Wed May 21 13:33:35 2008 UTC
# Line 0  Line 1 
1    #! /bin/sh
2    # Common stub for a few missing GNU programs while installing.
3    
4    scriptversion=2005-02-08.22
5    
6    # Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005
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., 59 Temple Place - Suite 330, Boston, MA
23    # 02111-1307, 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    
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      automake     touch all \`Makefile.in' files
81      bison        create \`y.tab.[ch]', if possible, from existing .[ch]
82      flex         create \`lex.yy.c', if possible, from existing .c
83      help2man     touch the output file
84      lex          create \`lex.yy.c', if possible, from existing .c
85      makeinfo     touch the output file
86      tar          try tar, gnutar, gtar, then tar without non-portable flags
87      yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
88    
89    Send bug reports to <bug-automake@gnu.org>."
90        exit $?
91        ;;
92    
93      -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
94        echo "missing $scriptversion (GNU Automake)"
95        exit $?
96        ;;
97    
98      -*)
99        echo 1>&2 "$0: Unknown \`$1' option"
100        echo 1>&2 "Try \`$0 --help' for more information"
101        exit 1
102        ;;
103    
104    esac
105    
106    # Now exit if we have it, but it failed.  Also exit now if we
107    # don't have it and --version was passed (most likely to detect
108    # the program).
109    case "$1" in
110      lex|yacc)
111        # Not GNU programs, they don't have --version.
112        ;;
113    
114      tar)
115        if test -n "$run"; then
116           echo 1>&2 "ERROR: \`tar' requires --run"
117           exit 1
118        elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
119           exit 1
120        fi
121        ;;
122    
123      *)
124        if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
125           # We have it, but it failed.
126           exit 1
127        elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
128           # Could not run --version or --help.  This is probably someone
129           # running `$TOOL --version' or `$TOOL --help' to check whether
130           # $TOOL exists and not knowing $TOOL uses missing.
131           exit 1
132        fi
133        ;;
134    esac
135    
136    # If it does not exist, or fails to run (possibly an outdated version),
137    # try to emulate it.
138    case "$1" in
139      aclocal*)
140        echo 1>&2 "\
141    WARNING: \`$1' is $msg.  You should only need it if
142             you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
143             to install the \`Automake' and \`Perl' packages.  Grab them from
144             any GNU archive site."
145        touch aclocal.m4
146        ;;
147    
148      autoconf)
149        echo 1>&2 "\
150    WARNING: \`$1' is $msg.  You should only need it if
151             you modified \`${configure_ac}'.  You might want to install the
152             \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
153             archive site."
154        touch configure
155        ;;
156    
157      autoheader)
158        echo 1>&2 "\
159    WARNING: \`$1' is $msg.  You should only need it if
160             you modified \`acconfig.h' or \`${configure_ac}'.  You might want
161             to install the \`Autoconf' and \`GNU m4' packages.  Grab them
162             from any GNU archive site."
163        files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
164        test -z "$files" && files="config.h"
165        touch_files=
166        for f in $files; do
167          case "$f" in
168          *:*) touch_files="$touch_files "`echo "$f" |
169                                           sed -e 's/^[^:]*://' -e 's/:.*//'`;;
170          *) touch_files="$touch_files $f.in";;
171          esac
172        done
173        touch $touch_files
174        ;;
175    
176      automake*)
177        echo 1>&2 "\
178    WARNING: \`$1' is $msg.  You should only need it if
179             you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
180             You might want to install the \`Automake' and \`Perl' packages.
181             Grab them from any GNU archive site."
182        find . -type f -name Makefile.am -print |
183               sed 's/\.am$/.in/' |
184               while read f; do touch "$f"; done
185        ;;
186    
187      autom4te)
188        echo 1>&2 "\
189    WARNING: \`$1' is needed, but is $msg.
190             You might have modified some files without having the
191             proper tools for further handling them.
192             You can get \`$1' as part of \`Autoconf' from any GNU
193             archive site."
194    
195        file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
196        test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
197        if test -f "$file"; then
198            touch $file
199        else
200            test -z "$file" || exec >$file
201            echo "#! /bin/sh"
202            echo "# Created by GNU Automake missing as a replacement of"
203            echo "#  $ $@"
204            echo "exit 0"
205            chmod +x $file
206            exit 1
207        fi
208        ;;
209    
210      bison|yacc)
211        echo 1>&2 "\
212    WARNING: \`$1' $msg.  You should only need it if
213             you modified a \`.y' file.  You may need the \`Bison' package
214             in order for those modifications to take effect.  You can get
215             \`Bison' from any GNU archive site."
216        rm -f y.tab.c y.tab.h
217        if [ $# -ne 1 ]; then
218            eval LASTARG="\${$#}"
219            case "$LASTARG" in
220            *.y)
221                SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
222                if [ -f "$SRCFILE" ]; then
223                     cp "$SRCFILE" y.tab.c
224                fi
225                SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
226                if [ -f "$SRCFILE" ]; then
227                     cp "$SRCFILE" y.tab.h
228                fi
229              ;;
230            esac
231        fi
232        if [ ! -f y.tab.h ]; then
233            echo >y.tab.h
234        fi
235        if [ ! -f y.tab.c ]; then
236            echo 'main() { return 0; }' >y.tab.c
237        fi
238        ;;
239    
240      lex|flex)
241        echo 1>&2 "\
242    WARNING: \`$1' is $msg.  You should only need it if
243             you modified a \`.l' file.  You may need the \`Flex' package
244             in order for those modifications to take effect.  You can get
245             \`Flex' from any GNU archive site."
246        rm -f lex.yy.c
247        if [ $# -ne 1 ]; then
248            eval LASTARG="\${$#}"
249            case "$LASTARG" in
250            *.l)
251                SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
252                if [ -f "$SRCFILE" ]; then
253                     cp "$SRCFILE" lex.yy.c
254                fi
255              ;;
256            esac
257        fi
258        if [ ! -f lex.yy.c ]; then
259            echo 'main() { return 0; }' >lex.yy.c
260        fi
261        ;;
262    
263      help2man)
264        echo 1>&2 "\
265    WARNING: \`$1' is $msg.  You should only need it if
266             you modified a dependency of a manual page.  You may need the
267             \`Help2man' package in order for those modifications to take
268             effect.  You can get \`Help2man' from any GNU archive site."
269    
270        file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
271        if test -z "$file"; then
272            file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
273        fi
274        if [ -f "$file" ]; then
275            touch $file
276        else
277            test -z "$file" || exec >$file
278            echo ".ab help2man is required to generate this page"
279            exit 1
280        fi
281        ;;
282    
283      makeinfo)
284        echo 1>&2 "\
285    WARNING: \`$1' is $msg.  You should only need it if
286             you modified a \`.texi' or \`.texinfo' file, or any other file
287             indirectly affecting the aspect of the manual.  The spurious
288             call might also be the consequence of using a buggy \`make' (AIX,
289             DU, IRIX).  You might want to install the \`Texinfo' package or
290             the \`GNU make' package.  Grab either from any GNU archive site."
291        # The file to touch is that specified with -o ...
292        file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
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 '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $infile`
297          # ... or it is derived from the source name (dir/f.texi becomes f.info)
298          test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
299        fi
300        touch $file
301        ;;
302    
303      tar)
304        shift
305    
306        # We have already tried tar in the generic part.
307        # Look for gnutar/gtar before invocation to avoid ugly error
308        # messages.
309        if (gnutar --version > /dev/null 2>&1); then
310           gnutar "$@" && exit 0
311        fi
312        if (gtar --version > /dev/null 2>&1); then
313           gtar "$@" && exit 0
314        fi
315        firstarg="$1"
316        if shift; then
317            case "$firstarg" in
318            *o*)
319                firstarg=`echo "$firstarg" | sed s/o//`
320                tar "$firstarg" "$@" && exit 0
321                ;;
322            esac
323            case "$firstarg" in
324            *h*)
325                firstarg=`echo "$firstarg" | sed s/h//`
326                tar "$firstarg" "$@" && exit 0
327                ;;
328            esac
329        fi
330    
331        echo 1>&2 "\
332    WARNING: I can't seem to be able to run \`tar' with the given arguments.
333             You may want to install GNU tar or Free paxutils, or check the
334             command line arguments."
335        exit 1
336        ;;
337    
338      *)
339        echo 1>&2 "\
340    WARNING: \`$1' is needed, and is $msg.
341             You might have modified some files without having the
342             proper tools for further handling them.  Check the \`README' file,
343             it often tells you about the needed prerequisites for installing
344             this package.  You may also peek at any GNU archive site, in case
345             some other package would contain this missing \`$1' program."
346        exit 1
347        ;;
348    esac
349    
350    exit 0
351    
352    # Local variables:
353    # eval: (add-hook 'write-file-hooks 'time-stamp)
354    # time-stamp-start: "scriptversion="
355    # time-stamp-format: "%:y-%02m-%02d.%02H"
356    # time-stamp-end: "$"
357    # End:

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