[hcoop/debian/courier-authlib.git] / missing

#! /bin/sh
# Common stub for a few missing GNU programs while installing.

scriptversion=2009-04-28.21; # UTC

# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
# 2008, 2009 Free Software Foundation, Inc.
# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

if test $# -eq 0; then
  echo 1>&2 "Try \`$0 --help' for more information"
  exit 1
fi

run=:
sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
sed_minuso='s/.* -o \([^ ]*\).*/\1/p'

# In the cases where this matters, `missing' is being run in the
# srcdir already.
if test -f configure.ac; then
  configure_ac=configure.ac
else
  configure_ac=configure.in
fi

msg="missing on your system"

case $1 in
--run)
  # Try to run requested program, and just exit if it succeeds.
  run=
  shift
  "$@" && exit 0
  # Exit code 63 means version mismatch.  This often happens
  # when the user try to use an ancient version of a tool on
  # a file that requires a minimum version.  In this case we
  # we should proceed has if the program had been absent, or
  # if --run hadn't been passed.
  if test $? = 63; then
    run=:
    msg="probably too old"
  fi
  ;;

  -h|--h|--he|--hel|--help)
    echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...

Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
error status if there is no known handling for PROGRAM.

Options:
  -h, --help      display this help and exit
  -v, --version   output version information and exit
  --run           try to run the given command, and emulate it if it fails

Supported PROGRAM values:
  aclocal      touch file \`aclocal.m4'
  autoconf     touch file \`configure'
  autoheader   touch file \`config.h.in'
  autom4te     touch the output file, or create a stub one
  automake     touch all \`Makefile.in' files
  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
  flex         create \`lex.yy.c', if possible, from existing .c
  help2man     touch the output file
  lex          create \`lex.yy.c', if possible, from existing .c
  makeinfo     touch the output file
  tar          try tar, gnutar, gtar, then tar without non-portable flags
  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]

Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
\`g' are ignored when checking the name.

Send bug reports to <bug-automake@gnu.org>."
    exit $?
    ;;

  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
    echo "missing $scriptversion (GNU Automake)"
    exit $?
    ;;

  -*)
    echo 1>&2 "$0: Unknown \`$1' option"
    echo 1>&2 "Try \`$0 --help' for more information"
    exit 1
    ;;

esac

# normalize program name to check for.
program=`echo "$1" | sed '
  s/^gnu-//; t
  s/^gnu//; t
  s/^g//; t'`

# Now exit if we have it, but it failed.  Also exit now if we
# don't have it and --version was passed (most likely to detect
# the program).  This is about non-GNU programs, so use $1 not
# $program.
case $1 in
  lex*|yacc*)
    # Not GNU programs, they don't have --version.
    ;;

  tar*)
    if test -n "$run"; then
       echo 1>&2 "ERROR: \`tar' requires --run"
       exit 1
    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
       exit 1
    fi
    ;;

  *)
    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
       # We have it, but it failed.
       exit 1
    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
       # Could not run --version or --help.  This is probably someone
       # running `$TOOL --version' or `$TOOL --help' to check whether
       # $TOOL exists and not knowing $TOOL uses missing.
       exit 1
    fi
    ;;
esac

# If it does not exist, or fails to run (possibly an outdated version),
# try to emulate it.
case $program in
  aclocal*)
    echo 1>&2 "\
WARNING: \`$1' is $msg.  You should only need it if
         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
         to install the \`Automake' and \`Perl' packages.  Grab them from
         any GNU archive site."
    touch aclocal.m4
    ;;

  autoconf*)
    echo 1>&2 "\
WARNING: \`$1' is $msg.  You should only need it if
         you modified \`${configure_ac}'.  You might want to install the
         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
         archive site."
    touch configure
    ;;

  autoheader*)
    echo 1>&2 "\
WARNING: \`$1' is $msg.  You should only need it if
         you modified \`acconfig.h' or \`${configure_ac}'.  You might want
         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
         from any GNU archive site."
    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
    test -z "$files" && files="config.h"
    touch_files=
    for f in $files; do
      case $f in
      *:*) touch_files="$touch_files "`echo "$f" |
				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
      *) touch_files="$touch_files $f.in";;
      esac
    done
    touch $touch_files
    ;;

  automake*)
    echo 1>&2 "\
WARNING: \`$1' is $msg.  You should only need it if
         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
         You might want to install the \`Automake' and \`Perl' packages.
         Grab them from any GNU archive site."
    find . -type f -name Makefile.am -print |
	   sed 's/\.am$/.in/' |
	   while read f; do touch "$f"; done
    ;;

  autom4te*)
    echo 1>&2 "\
WARNING: \`$1' is needed, but is $msg.
         You might have modified some files without having the
         proper tools for further handling them.
         You can get \`$1' as part of \`Autoconf' from any GNU
         archive site."

    file=`echo "$*" | sed -n "$sed_output"`
    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
    if test -f "$file"; then
	touch $file
    else
	test -z "$file" || exec >$file
	echo "#! /bin/sh"
	echo "# Created by GNU Automake missing as a replacement of"
	echo "#  $ $@"
	echo "exit 0"
	chmod +x $file
	exit 1
    fi
    ;;

  bison*|yacc*)
    echo 1>&2 "\
WARNING: \`$1' $msg.  You should only need it if
         you modified a \`.y' file.  You may need the \`Bison' package
         in order for those modifications to take effect.  You can get
         \`Bison' from any GNU archive site."
    rm -f y.tab.c y.tab.h
    if test $# -ne 1; then
        eval LASTARG="\${$#}"
	case $LASTARG in
	*.y)
	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
	    if test -f "$SRCFILE"; then
	         cp "$SRCFILE" y.tab.c
	    fi
	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
	    if test -f "$SRCFILE"; then
	         cp "$SRCFILE" y.tab.h
	    fi
	  ;;
	esac
    fi
    if test ! -f y.tab.h; then
	echo >y.tab.h
    fi
    if test ! -f y.tab.c; then
	echo 'main() { return 0; }' >y.tab.c
    fi
    ;;

  lex*|flex*)
    echo 1>&2 "\
WARNING: \`$1' is $msg.  You should only need it if
         you modified a \`.l' file.  You may need the \`Flex' package
         in order for those modifications to take effect.  You can get
         \`Flex' from any GNU archive site."
    rm -f lex.yy.c
    if test $# -ne 1; then
        eval LASTARG="\${$#}"
	case $LASTARG in
	*.l)
	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
	    if test -f "$SRCFILE"; then
	         cp "$SRCFILE" lex.yy.c
	    fi
	  ;;
	esac
    fi
    if test ! -f lex.yy.c; then
	echo 'main() { return 0; }' >lex.yy.c
    fi
    ;;

  help2man*)
    echo 1>&2 "\
WARNING: \`$1' is $msg.  You should only need it if
	 you modified a dependency of a manual page.  You may need the
	 \`Help2man' package in order for those modifications to take
	 effect.  You can get \`Help2man' from any GNU archive site."

    file=`echo "$*" | sed -n "$sed_output"`
    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
    if test -f "$file"; then
	touch $file
    else
	test -z "$file" || exec >$file
	echo ".ab help2man is required to generate this page"
	exit $?
    fi
    ;;

  makeinfo*)
    echo 1>&2 "\
WARNING: \`$1' is $msg.  You should only need it if
         you modified a \`.texi' or \`.texinfo' file, or any other file
         indirectly affecting the aspect of the manual.  The spurious
         call might also be the consequence of using a buggy \`make' (AIX,
         DU, IRIX).  You might want to install the \`Texinfo' package or
         the \`GNU make' package.  Grab either from any GNU archive site."
    # The file to touch is that specified with -o ...
    file=`echo "$*" | sed -n "$sed_output"`
    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
    if test -z "$file"; then
      # ... or it is the one specified with @setfilename ...
      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
      file=`sed -n '
	/^@setfilename/{
	  s/.* \([^ ]*\) *$/\1/
	  p
	  q
	}' $infile`
      # ... or it is derived from the source name (dir/f.texi becomes f.info)
      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
    fi
    # If the file does not exist, the user really needs makeinfo;
    # let's fail without touching anything.
    test -f $file || exit 1
    touch $file
    ;;

  tar*)
    shift

    # We have already tried tar in the generic part.
    # Look for gnutar/gtar before invocation to avoid ugly error
    # messages.
    if (gnutar --version > /dev/null 2>&1); then
       gnutar "$@" && exit 0
    fi
    if (gtar --version > /dev/null 2>&1); then
       gtar "$@" && exit 0
    fi
    firstarg="$1"
    if shift; then
	case $firstarg in
	*o*)
	    firstarg=`echo "$firstarg" | sed s/o//`
	    tar "$firstarg" "$@" && exit 0
	    ;;
	esac
	case $firstarg in
	*h*)
	    firstarg=`echo "$firstarg" | sed s/h//`
	    tar "$firstarg" "$@" && exit 0
	    ;;
	esac
    fi

    echo 1>&2 "\
WARNING: I can't seem to be able to run \`tar' with the given arguments.
         You may want to install GNU tar or Free paxutils, or check the
         command line arguments."
    exit 1
    ;;

  *)
    echo 1>&2 "\
WARNING: \`$1' is needed, and is $msg.
         You might have modified some files without having the
         proper tools for further handling them.  Check the \`README' file,
         it often tells you about the needed prerequisites for installing
         this package.  You may also peek at any GNU archive site, in case
         some other package would contain this missing \`$1' program."
    exit 1
    ;;
esac

exit 0

# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:
Commit	Line	Data
d9898ee8	1	#! /bin/sh
	2	# Common stub for a few missing GNU programs while installing.
	3
8d138742	4	scriptversion=2009-04-28.21; # UTC
d9898ee8	5
8d138742 CE	6	# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
8d138742 CE	7	# 2008, 2009 Free Software Foundation, Inc.
d9898ee8	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
8d138742	21	# along with this program. If not, see <http://www.gnu.org/licenses/>.
d9898ee8	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=:
8d138742 CE	34	sed_output='s/.* --output[ =]\([^ ]\)./\1/p'
8d138742 CE	35	sed_minuso='s/.* -o \([^ ]\)./\1/p'
d9898ee8	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
8d138742	47	case $1 in
d9898ee8	48	--run)
	49	# Try to run requested program, and just exit if it succeeds.
	50	run=
	51	shift
	52	"$@" && 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'
8d138742	80	autom4te touch the output file, or create a stub one
d9898ee8	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
8d138742 CE	90	Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
	91	\`g' are ignored when checking the name.
	92
d9898ee8	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
8d138742 CE	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
d9898ee8	116	# Now exit if we have it, but it failed. Also exit now if we
d9898ee8	117	# don't have it and --version was passed (most likely to detect
8d138742 CE	118	# the program). This is about non-GNU programs, so use $1 not
	119	# $program.
	120	case $1 in
	121	lex\|yacc)
d9898ee8	122	# Not GNU programs, they don't have --version.
	123	;;
	124
8d138742	125	tar*)
d9898ee8	126	if test -n "$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.
8d138742	149	case $program in
d9898ee8	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
8d138742	159	autoconf*)
d9898ee8	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
8d138742	168	autoheader*)
d9898ee8	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
8d138742	178	case $f in
d9898ee8	179	:) touch_files="$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
8d138742	198	autom4te*)
d9898ee8	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 \`$1' as part of \`Autoconf' from any GNU
	204	archive site."
	205
8d138742 CE	206	file=`echo "$*" \| sed -n "$sed_output"`
8d138742 CE	207	test -z "$file" && file=`echo "$*" \| sed -n "$sed_minuso"`
d9898ee8	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
8d138742	221	bison\|yacc)
d9898ee8	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
8d138742	228	if test $# -ne 1; then
d9898ee8	229	eval LASTARG="\${$#}"
8d138742	230	case $LASTARG in
d9898ee8	231	*.y)
d9898ee8	232	SRCFILE=`echo "$LASTARG" \| sed 's/y$/c/'`
8d138742	233	if test -f "$SRCFILE"; then
d9898ee8	234	cp "$SRCFILE" y.tab.c
	235	fi
	236	SRCFILE=`echo "$LASTARG" \| sed 's/y$/h/'`
8d138742	237	if test -f "$SRCFILE"; then
d9898ee8	238	cp "$SRCFILE" y.tab.h
	239	fi
	240	;;
	241	esac
	242	fi
8d138742	243	if test ! -f y.tab.h; then
d9898ee8	244	echo >y.tab.h
d9898ee8	245	fi
8d138742	246	if test ! -f y.tab.c; then
d9898ee8	247	echo 'main() { return 0; }' >y.tab.c
	248	fi
	249	;;
	250
8d138742	251	lex\|flex)
d9898ee8	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
8d138742	258	if test $# -ne 1; then
d9898ee8	259	eval LASTARG="\${$#}"
8d138742	260	case $LASTARG in
d9898ee8	261	*.l)
d9898ee8	262	SRCFILE=`echo "$LASTARG" \| sed 's/l$/c/'`
8d138742	263	if test -f "$SRCFILE"; then
d9898ee8	264	cp "$SRCFILE" lex.yy.c
	265	fi
	266	;;
	267	esac
	268	fi
8d138742	269	if test ! -f lex.yy.c; then
d9898ee8	270	echo 'main() { return 0; }' >lex.yy.c
	271	fi
	272	;;
	273
8d138742	274	help2man*)
d9898ee8	275	echo 1>&2 "\
	276	WARNING: \`$1' is $msg. You should only need it if
	277	you modified a dependency of a manual page. You may need the
	278	\`Help2man' package in order for those modifications to take
	279	effect. You can get \`Help2man' from any GNU archive site."
	280
8d138742 CE	281	file=`echo "$*" \| sed -n "$sed_output"`
	282	test -z "$file" && file=`echo "$*" \| sed -n "$sed_minuso"`
	283	if test -f "$file"; then
d9898ee8	284	touch $file
	285	else
	286	test -z "$file" \|\| exec >$file
	287	echo ".ab help2man is required to generate this page"
8d138742	288	exit $?
d9898ee8	289	fi
	290	;;
	291
8d138742	292	makeinfo*)
d9898ee8	293	echo 1>&2 "\
	294	WARNING: \`$1' is $msg. You should only need it if
	295	you modified a \`.texi' or \`.texinfo' file, or any other file
	296	indirectly affecting the aspect of the manual. The spurious
	297	call might also be the consequence of using a buggy \`make' (AIX,
	298	DU, IRIX). You might want to install the \`Texinfo' package or
	299	the \`GNU make' package. Grab either from any GNU archive site."
	300	# The file to touch is that specified with -o ...
8d138742 CE	301	file=`echo "$*" \| sed -n "$sed_output"`
8d138742 CE	302	test -z "$file" && file=`echo "$*" \| sed -n "$sed_minuso"`
d9898ee8	303	if test -z "$file"; then
	304	# ... or it is the one specified with @setfilename ...
	305	infile=`echo "$" \| sed 's/. \([^ ]\) $/\1/'`
8d138742 CE	306	file=`sed -n '
	307	/^@setfilename/{
	308	s/.* \([^ ]\) $/\1/
	309	p
	310	q
	311	}' $infile`
d9898ee8	312	# ... or it is derived from the source name (dir/f.texi becomes f.info)
	313	test -z "$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 $file
	319	;;
	320
8d138742	321	tar*)
d9898ee8	322	shift
	323
	324	# We have already tried tar in the generic part.
	325	# Look for gnutar/gtar before invocation to avoid ugly error
	326	# messages.
	327	if (gnutar --version > /dev/null 2>&1); then
	328	gnutar "$@" && 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
8d138742	335	case $firstarg in
d9898ee8	336	o)
	337	firstarg=`echo "$firstarg" \| sed s/o//`
	338	tar "$firstarg" "$@" && exit 0
	339	;;
	340	esac
8d138742	341	case $firstarg in
d9898ee8	342	h)
	343	firstarg=`echo "$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"
8d138742 CE	374	# time-stamp-time-zone: "UTC"
8d138742 CE	375	# time-stamp-end: "; # UTC"
d9898ee8	376	# End: