update some autotools pieces in dmapi tests

dmapi/install-sh

@@ -1,19 +1,38 @@
 #!/bin/sh
-#
 # install - install a program, script, or datafile
-# This comes from X11R5 (mit/util/scripts/install.sh).
+
+scriptversion=2004-07-05.00
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
 #
-# Copyright 1991 by the Massachusetts Institute of Technology
+# Copyright (C) 1994 X Consortium
 #
-# Permission to use, copy, modify, distribute, and sell this software and its
+# Permission is hereby granted, free of charge, to any person obtaining a copy
-# documentation for any purpose is hereby granted without fee, provided that
+# of this software and associated documentation files (the "Software"), to
-# the above copyright notice appear in all copies and that both that
+# deal in the Software without restriction, including without limitation the
-# copyright notice and this permission notice appear in supporting
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-# documentation, and that the name of M.I.T. not be used in advertising or
+# sell copies of the Software, and to permit persons to whom the Software is
-# publicity pertaining to distribution of the software without specific,
+# furnished to do so, subject to the following conditions:
-# written prior permission.  M.I.T. makes no representations about the
+#
-# suitability of this software for any purpose.  It is provided "as is"
+# The above copyright notice and this permission notice shall be included in
-# without express or implied warranty.
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
 #
 # Calling this script install-sh is preferred over install.sh, to prevent
 # `make' implicit rules from creating a file called install from it
@@ -23,13 +42,11 @@
 # from scratch.  It can only install one file at a time, a restriction
 # shared with many OS's install programs.
 
-
 # set DOITPROG to echo to test this script
 
 # Don't use :- since 4.3BSD and earlier shells don't like it.
 doit="${DOITPROG-}"
 
-
 # put in absolute paths if you don't have them in your path; or use env. vars.
 
 mvprog="${MVPROG-mv}"
@@ -41,211 +58,265 @@ stripprog="${STRIPPROG-strip}"
 rmprog="${RMPROG-rm}"
 mkdirprog="${MKDIRPROG-mkdir}"
 
-transformbasename=""
-transform_arg=""
-instcmd="$mvprog"
 chmodcmd="$chmodprog 0755"
-chowncmd=""
+chowncmd=
-chgrpcmd=""
+chgrpcmd=
-stripcmd=""
+stripcmd=
 rmcmd="$rmprog -f"
 mvcmd="$mvprog"
-src=""
+src=
-dst=""
+dst=
-dir_arg=""
+dir_arg=
+dstarg=
+no_target_directory=
 
-while [ x"$1" != x ]; do
+usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
-    case $1 in
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
-	-c) instcmd="$cpprog"
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
-	    shift
+   or: $0 [OPTION]... -d DIRECTORIES...
-	    continue;;
 
-	-d) dir_arg=true
+In the 1st form, copy SRCFILE to DSTFILE.
-	    shift
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
-	    continue;;
+In the 4th, create DIRECTORIES.
 
-	-m) chmodcmd="$chmodprog $2"
+Options:
-	    shift
+-c         (ignored)
-	    shift
+-d         create directories instead of installing files.
-	    continue;;
+-g GROUP   $chgrpprog installed files to GROUP.
+-m MODE    $chmodprog installed files to MODE.
+-o USER    $chownprog installed files to USER.
+-s         $stripprog installed files.
+-t DIRECTORY  install into DIRECTORY.
+-T         report an error if DSTFILE is a directory.
+--help     display this help and exit.
+--version  display version info and exit.
 
-	-o) chowncmd="$chownprog $2"
+Environment variables override the default commands:
-	    shift
+  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
-	    shift
+"
-	    continue;;
 
-	-g) chgrpcmd="$chgrpprog $2"
+while test -n "$1"; do
-	    shift
+  case $1 in
-	    shift
+    -c) shift
-	    continue;;
+        continue;;
 
-	-s) stripcmd="$stripprog"
+    -d) dir_arg=true
-	    shift
+        shift
-	    continue;;
+        continue;;
 
-	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
+    -g) chgrpcmd="$chgrpprog $2"
-	    shift
+        shift
-	    continue;;
+        shift
+        continue;;
 
-	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
+    --help) echo "$usage"; exit 0;;
-	    shift
-	    continue;;
 
-	*)  if [ x"$src" = x ]
+    -m) chmodcmd="$chmodprog $2"
-	    then
+        shift
-		src=$1
+        shift
-	    else
+        continue;;
-		# this colon is to work around a 386BSD /bin/sh bug
-		:
-		dst=$1
-	    fi
-	    shift
-	    continue;;
-    esac
-done
 
-if [ x"$src" = x ]
+    -o) chowncmd="$chownprog $2"
-then
+        shift
-	echo "install:	no input file specified"
+        shift
-	exit 1
+        continue;;
-else
-	true
-fi
 
-if [ x"$dir_arg" != x ]; then
+    -s) stripcmd=$stripprog
-	dst=$src
+        shift
-	src=""
+        continue;;
-	
-	if [ -d $dst ]; then
-		instcmd=:
-		chmodcmd=""
-	else
-		instcmd=mkdir
-	fi
-else
 
-# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
+    -t) dstarg=$2
-# might cause directories to be created, which would be especially bad 
-# if $src (and thus $dsttmp) contains '*'.
-
-	if [ -f $src -o -d $src ]
-	then
-		true
-	else
-		echo "install:  $src does not exist"
-		exit 1
-	fi
-	
-	if [ x"$dst" = x ]
-	then
-		echo "install:	no destination specified"
-		exit 1
-	else
-		true
-	fi
-
-# If destination is a directory, append the input filename; if your system
-# does not like double slashes in filenames, you may need to add some logic
-
-	if [ -d $dst ]
-	then
-		dst="$dst"/`basename $src`
-	else
-		true
-	fi
-fi
-
-## this sed command emulates the dirname command
-dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
-
-# Make sure that the destination directory exists.
-#  this part is taken from Noah Friedman's mkinstalldirs script
-
-# Skip lots of stat calls in the usual case.
-if [ ! -d "$dstdir" ]; then
-defaultIFS='	
-'
-IFS="${IFS-${defaultIFS}}"
-
-oIFS="${IFS}"
-# Some sh's can't handle IFS=/ for some reason.
-IFS='%'
-set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
-IFS="${oIFS}"
-
-pathcomp=''
-
-while [ $# -ne 0 ] ; do
-	pathcomp="${pathcomp}${1}"
 	shift
+	shift
+	continue;;
 
-	if [ ! -d "${pathcomp}" ] ;
+    -T) no_target_directory=true
-        then
+	shift
-		$mkdirprog "${pathcomp}"
+	continue;;
-	else
-		true
-	fi
 
-	pathcomp="${pathcomp}/"
+    --version) echo "$0 $scriptversion"; exit 0;;
+
+    *)  # When -d is used, all remaining arguments are directories to create.
+	# When -t is used, the destination is already specified.
+	test -n "$dir_arg$dstarg" && break
+        # Otherwise, the last argument is the destination.  Remove it from $@.
+	for arg
+	do
+          if test -n "$dstarg"; then
+	    # $@ is not empty: it contains at least $arg.
+	    set fnord "$@" "$dstarg"
+	    shift # fnord
+	  fi
+	  shift # arg
+	  dstarg=$arg
+	done
+	break;;
+  esac
 done
+
+if test -z "$1"; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call `install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
 fi
 
-if [ x"$dir_arg" != x ]
+for src
-then
+do
-	$doit $instcmd $dst &&
+  # Protect names starting with `-'.
+  case $src in
+    -*) src=./$src ;;
+  esac
 
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
+  if test -n "$dir_arg"; then
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
+    dst=$src
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
+    src=
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
-else
 
-# If we're going to rename the final executable, determine the name now.
+    if test -d "$dst"; then
+      mkdircmd=:
+      chmodcmd=
+    else
+      mkdircmd=$mkdirprog
+    fi
+  else
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
 
-	if [ x"$transformarg" = x ] 
+    if test -z "$dstarg"; then
-	then
+      echo "$0: no destination specified." >&2
-		dstfile=`basename $dst`
+      exit 1
-	else
+    fi
-		dstfile=`basename $dst $transformbasename | 
-			sed $transformarg`$transformbasename
-	fi
 
-# don't allow the sed command to completely eliminate the filename
+    dst=$dstarg
+    # Protect names starting with `-'.
+    case $dst in
+      -*) dst=./$dst ;;
+    esac
 
-	if [ x"$dstfile" = x ] 
+    # If destination is a directory, append the input filename; won't work
-	then
+    # if double slashes aren't ignored.
-		dstfile=`basename $dst`
+    if test -d "$dst"; then
-	else
+      if test -n "$no_target_directory"; then
-		true
+	echo "$0: $dstarg: Is a directory" >&2
-	fi
+	exit 1
+      fi
+      dst=$dst/`basename "$src"`
+    fi
+  fi
 
-# Make a temp file name in the proper directory.
+  # This sed command emulates the dirname command.
+  dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 
-	dsttmp=$dstdir/#inst.$$#
+  # Make sure that the destination directory exists.
 
-# Move or copy the file name to the temp name
+  # Skip lots of stat calls in the usual case.
+  if test ! -d "$dstdir"; then
+    defaultIFS='
+	 '
+    IFS="${IFS-$defaultIFS}"
 
-	$doit $instcmd $src $dsttmp &&
+    oIFS=$IFS
+    # Some sh's can't handle IFS=/ for some reason.
+    IFS='%'
+    set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
+    IFS=$oIFS
 
-	trap "rm -f ${dsttmp}" 0 &&
+    pathcomp=
 
-# and set any options; do chmod last to preserve setuid bits
+    while test $# -ne 0 ; do
+      pathcomp=$pathcomp$1
+      shift
+      if test ! -d "$pathcomp"; then
+        $mkdirprog "$pathcomp"
+	# mkdir can fail with a `File exist' error in case several
+	# install-sh are creating the directory concurrently.  This
+	# is OK.
+	test -d "$pathcomp" || exit
+      fi
+      pathcomp=$pathcomp/
+    done
+  fi
 
-# If any of these fail, we abort the whole thing.  If we want to
+  if test -n "$dir_arg"; then
-# ignore errors from any of these, just make sure not to ignore
+    $doit $mkdircmd "$dst" \
-# errors from the above "$doit $instcmd $src $dsttmp" command.
+      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
+      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
+      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
+      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
 
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
+  else
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
+    dstfile=`basename "$dst"`
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
 
-# Now rename the file to the real destination.
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
 
-	$doit $rmcmd -f $dstdir/$dstfile &&
+    # Trap to clean up those temp files at exit.
-	$doit $mvcmd $dsttmp $dstdir/$dstfile 
+    trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
+    trap '(exit $?); exit' 1 2 13 15
 
-fi &&
+    # Copy the file name to the temp name.
+    $doit $cpprog "$src" "$dsttmp" &&
 
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
+      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
+      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
+      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
 
-exit 0
+    # Now rename the file to the real destination.
+    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
+      || {
+	   # The rename failed, perhaps because mv can't rename something else
+	   # to itself, or perhaps because mv is so ancient that it does not
+	   # support -f.
+
+	   # Now remove or move aside any old file at destination location.
+	   # We try this two ways since rm can't unlink itself on some
+	   # systems and the destination file might be busy for other
+	   # reasons.  In this case, the final cleanup might fail but the new
+	   # file should still install successfully.
+	   {
+	     if test -f "$dstdir/$dstfile"; then
+	       $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
+	       || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
+	       || {
+		 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
+		 (exit 1); exit
+	       }
+	     else
+	       :
+	     fi
+	   } &&
+
+	   # Now rename the file to the real destination.
+	   $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+	 }
+    }
+  fi || { (exit 1); exit; }
+done
+
+# The final little trick to "correctly" pass the exit status to the exit trap.
+{
+  (exit 0); exit
+}
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:

dmapi/missing

@@ -1,7 +1,11 @@
 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.
-# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+
-# Franc,ois Pinard <pinard@iro.umontreal.ca>, 1996.
+scriptversion=2003-09-02.23
+
+# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003 
+#   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
@@ -18,11 +22,48 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 
+# 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=:
+
+# 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
+  ;;
+esac
+
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.
 case "$1" in
 
   -h|--h|--he|--hel|--help)
@@ -35,6 +76,7 @@ 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'
@@ -43,13 +85,17 @@ Supported PROGRAM values:
   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
-  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]"
+  tar          try tar, gnutar, gtar, then tar without non-portable flags
+  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
+
+Send bug reports to <bug-automake@gnu.org>."
     ;;
 
   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
-    echo "missing - GNU libit 0.0"
+    echo "missing $scriptversion (GNU Automake)"
     ;;
 
   -*)
@@ -58,31 +104,46 @@ Supported PROGRAM values:
     exit 1
     ;;
 
-  aclocal)
+  aclocal*)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    fi
+
     echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
+WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acinclude.m4' or \`configure.in'.  You might want
+         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want
          to install the \`Automake' and \`Perl' packages.  Grab them from
          any GNU archive site."
     touch aclocal.m4
     ;;
 
   autoconf)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    fi
+
     echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
+WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`configure.in'.  You might want to install the
+         you modified \`${configure_ac}'.  You might want to install the
          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
          archive site."
     touch configure
     ;;
 
   autoheader)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    fi
+
     echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
+WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`acconfig.h' or \`configure.in'.  You might want
+         you modified \`acconfig.h' or \`${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.in`
+    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
@@ -95,10 +156,15 @@ WARNING: \`$1' is missing on your system.  You should only need it if
     touch $touch_files
     ;;
 
-  automake)
+  automake*)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    fi
+
     echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
+WARNING: \`$1' is $msg.  You should only need it if
-         you modified \`Makefile.am', \`acinclude.m4' or \`configure.in'.
+         you modified \`Makefile.am', \`acinclude.m4' or \`${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 |
@@ -106,9 +172,37 @@ WARNING: \`$1' is missing on your system.  You should only need it if
 	   while read f; do touch "$f"; done
     ;;
 
+  autom4te)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    fi
+
+    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 's/.*--output[ =]*\([^ ]*\).*/\1/p'`
+    test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`
+    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' is missing on your system.  You should only need it if
+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."
@@ -138,7 +232,7 @@ WARNING: \`$1' is missing on your system.  You should only need it if
 
   lex|flex)
     echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
+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."
@@ -159,9 +253,39 @@ WARNING: \`$1' is missing on your system.  You should only need it if
     fi
     ;;
 
-  makeinfo)
+  help2man)
+    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+       # We have it, but it failed.
+       exit 1
+    fi
+
     echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
+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 's/.*-o \([^ ]*\).*/\1/p'`
+    if test -z "$file"; then
+	file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
+    fi
+    if [ -f "$file" ]; then
+	touch $file
+    else
+	test -z "$file" || exec >$file
+	echo ".ab help2man is required to generate this page"
+	exit 1
+    fi
+    ;;
+
+  makeinfo)
+    if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
+       # We have makeinfo, but it failed.
+       exit 1
+    fi
+
+    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,
@@ -175,12 +299,51 @@ WARNING: \`$1' is missing on your system.  You should only need it if
     touch $file
     ;;
 
+  tar)
+    shift
+    if test -n "$run"; then
+      echo 1>&2 "ERROR: \`tar' requires --run"
+      exit 1
+    fi
+
+    # We have already tried tar in the generic part.
+    # Look for gnutar/gtar before invocation to avoid ugly error
+    # messages.
+    if (gnutar --version > /dev/null 2>&1); then
+       gnutar "$@" && 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 you do not seem to have it handy on your
+WARNING: \`$1' is needed, and is $msg.
-         system.  You might have modified some files without having the
+         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 prerequirements for installing
+         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
@@ -188,3 +351,10 @@ WARNING: \`$1' is needed, and you do not seem to have it handy on your
 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-end: "$"
+# End: