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#! /bin/sh
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# Common stub for a few missing GNU programs while installing.
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# Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
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# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
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if test $# -eq 0; then
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  echo 1>&2 "Try \`$0 --help' for more information"
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  exit 1
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fi
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run=:
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# In the cases where this matters, `missing' is being run in the
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# srcdir already.
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if test -f configure.ac; then
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  configure_ac=configure.ac
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else
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  configure_ac=configure.in
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fi
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case "$1" in
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--run)
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  # Try to run requested program, and just exit if it succeeds.
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  run=
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  shift
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  "$@" && exit 0
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  ;;
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esac
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# If it does not exist, or fails to run (possibly an outdated version),
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# try to emulate it.
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case "$1" in
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  -h|--h|--he|--hel|--help)
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    echo "\
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$0 [OPTION]... PROGRAM [ARGUMENT]...
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Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
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error status if there is no known handling for PROGRAM.
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Options:
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  -h, --help      display this help and exit
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  -v, --version   output version information and exit
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  --run           try to run the given command, and emulate it if it fails
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Supported PROGRAM values:
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  aclocal      touch file \`aclocal.m4'
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  autoconf     touch file \`configure'
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  autoheader   touch file \`config.h.in'
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  automake     touch all \`Makefile.in' files
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  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
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  flex         create \`lex.yy.c', if possible, from existing .c
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  help2man     touch the output file
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  lex          create \`lex.yy.c', if possible, from existing .c
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  makeinfo     touch the output file
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  tar          try tar, gnutar, gtar, then tar without non-portable flags
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  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]"
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    ;;
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  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
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    echo "missing 0.4 - GNU automake"
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    ;;
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  -*)
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    echo 1>&2 "$0: Unknown \`$1' option"
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    echo 1>&2 "Try \`$0 --help' for more information"
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    exit 1
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    ;;
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  aclocal*)
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    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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       # We have it, but it failed.
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       exit 1
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    fi
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    echo 1>&2 "\
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WARNING: \`$1' is missing on your system.  You should only need it if
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         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
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         to install the \`Automake' and \`Perl' packages.  Grab them from
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         any GNU archive site."
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    touch aclocal.m4
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    ;;
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  autoconf)
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    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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       # We have it, but it failed.
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       exit 1
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    fi
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    echo 1>&2 "\
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WARNING: \`$1' is missing on your system.  You should only need it if
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         you modified \`${configure_ac}'.  You might want to install the
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         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
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         archive site."
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    touch configure
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    ;;
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  autoheader)
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    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
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       # We have it, but it failed.
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       exit 1
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    fi
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124
    echo 1>&2 "\
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WARNING: \`$1' is missing on your system.  You should only need it if
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         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
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         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
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         from any GNU archive site."
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    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
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    test -z "$files" && files="config.h"
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    touch_files=
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    for f in $files; do
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      case "$f" in
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      *:*) touch_files="$touch_files "`echo "$f" |
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				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
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      *) touch_files="$touch_files $f.in";;
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      esac
138
    done
139
    touch $touch_files
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    ;;
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142
  automake*)
143
    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
144
       # We have it, but it failed.
145
       exit 1
146
    fi
147
 
148
    echo 1>&2 "\
149
WARNING: \`$1' is missing on your system.  You should only need it if
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         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
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         You might want to install the \`Automake' and \`Perl' packages.
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         Grab them from any GNU archive site."
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    find . -type f -name Makefile.am -print |
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	   sed 's/\.am$/.in/' |
155
	   while read f; do touch "$f"; done
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    ;;
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158
  autom4te)
159
    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
160
       # We have it, but it failed.
161
       exit 1
162
    fi
163
 
164
    echo 1>&2 "\
165
WARNING: \`$1' is needed, and you do not seem to have it handy on your
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         system.  You might have modified some files without having the
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         proper tools for further handling them.
168
         You can get \`$1Help2man' as part of \`Autoconf' from any GNU
169
         archive site."
170
 
171
    file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
172
    test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
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    if test -f "$file"; then
174
	touch $file
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    else
176
	test -z "$file" || exec >$file
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	echo "#! /bin/sh"
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	echo "# Created by GNU Automake missing as a replacement of"
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	echo "#  $ $@"
180
	echo "exit 0"
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	chmod +x $file
182
	exit 1
183
    fi
184
    ;;
185
 
186
  bison|yacc)
187
    echo 1>&2 "\
188
WARNING: \`$1' is missing on your system.  You should only need it if
189
         you modified a \`.y' file.  You may need the \`Bison' package
190
         in order for those modifications to take effect.  You can get
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         \`Bison' from any GNU archive site."
192
    rm -f y.tab.c y.tab.h
193
    if [ $# -ne 1 ]; then
194
        eval LASTARG="\${$#}"
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	case "$LASTARG" in
196
	*.y)
197
	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
198
	    if [ -f "$SRCFILE" ]; then
199
	         cp "$SRCFILE" y.tab.c
200
	    fi
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	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
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	    if [ -f "$SRCFILE" ]; then
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	         cp "$SRCFILE" y.tab.h
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	    fi
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	  ;;
206
	esac
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    fi
208
    if [ ! -f y.tab.h ]; then
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	echo >y.tab.h
210
    fi
211
    if [ ! -f y.tab.c ]; then
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	echo 'main() { return 0; }' >y.tab.c
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    fi
214
    ;;
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216
  lex|flex)
217
    echo 1>&2 "\
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WARNING: \`$1' is missing on your system.  You should only need it if
219
         you modified a \`.l' file.  You may need the \`Flex' package
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         in order for those modifications to take effect.  You can get
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         \`Flex' from any GNU archive site."
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    rm -f lex.yy.c
223
    if [ $# -ne 1 ]; then
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        eval LASTARG="\${$#}"
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	case "$LASTARG" in
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	*.l)
227
	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
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	    if [ -f "$SRCFILE" ]; then
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	         cp "$SRCFILE" lex.yy.c
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	    fi
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	  ;;
232
	esac
233
    fi
234
    if [ ! -f lex.yy.c ]; then
235
	echo 'main() { return 0; }' >lex.yy.c
236
    fi
237
    ;;
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239
  help2man)
240
    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
241
       # We have it, but it failed.
242
       exit 1
243
    fi
244
 
245
    echo 1>&2 "\
246
WARNING: \`$1' is missing on your system.  You should only need it if
247
	 you modified a dependency of a manual page.  You may need the
248
	 \`Help2man' package in order for those modifications to take
249
	 effect.  You can get \`Help2man' from any GNU archive site."
250
 
251
    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
252
    if test -z "$file"; then
253
	file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
254
    fi
255
    if [ -f "$file" ]; then
256
	touch $file
257
    else
258
	test -z "$file" || exec >$file
259
	echo ".ab help2man is required to generate this page"
260
	exit 1
261
    fi
262
    ;;
263
 
264
  makeinfo)
265
    if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
266
       # We have makeinfo, but it failed.
267
       exit 1
268
    fi
269
 
270
    echo 1>&2 "\
271
WARNING: \`$1' is missing on your system.  You should only need it if
272
         you modified a \`.texi' or \`.texinfo' file, or any other file
273
         indirectly affecting the aspect of the manual.  The spurious
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         call might also be the consequence of using a buggy \`make' (AIX,
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         DU, IRIX).  You might want to install the \`Texinfo' package or
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         the \`GNU make' package.  Grab either from any GNU archive site."
277
    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
278
    if test -z "$file"; then
279
      file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
280
      file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
281
    fi
282
    touch $file
283
    ;;
284
 
285
  tar)
286
    shift
287
    if test -n "$run"; then
288
      echo 1>&2 "ERROR: \`tar' requires --run"
289
      exit 1
290
    fi
291
 
292
    # We have already tried tar in the generic part.
293
    # Look for gnutar/gtar before invocation to avoid ugly error
294
    # messages.
295
    if (gnutar --version > /dev/null 2>&1); then
296
       gnutar "$@" && exit 0
297
    fi
298
    if (gtar --version > /dev/null 2>&1); then
299
       gtar "$@" && exit 0
300
    fi
301
    firstarg="$1"
302
    if shift; then
303
	case "$firstarg" in
304
	*o*)
305
	    firstarg=`echo "$firstarg" | sed s/o//`
306
	    tar "$firstarg" "$@" && exit 0
307
	    ;;
308
	esac
309
	case "$firstarg" in
310
	*h*)
311
	    firstarg=`echo "$firstarg" | sed s/h//`
312
	    tar "$firstarg" "$@" && exit 0
313
	    ;;
314
	esac
315
    fi
316
 
317
    echo 1>&2 "\
318
WARNING: I can't seem to be able to run \`tar' with the given arguments.
319
         You may want to install GNU tar or Free paxutils, or check the
320
         command line arguments."
321
    exit 1
322
    ;;
323
 
324
  *)
325
    echo 1>&2 "\
326
WARNING: \`$1' is needed, and you do not seem to have it handy on your
327
         system.  You might have modified some files without having the
328
         proper tools for further handling them.  Check the \`README' file,
329
         it often tells you about the needed prerequirements for installing
330
         this package.  You may also peek at any GNU archive site, in case
331
         some other package would contain this missing \`$1' program."
332
    exit 1
333
    ;;
334
esac
335
 
336
exit 0