Update libxml to 2.7.7.

third_party/libxml/missing

 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.
-# Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
+
+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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# 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
 
-case "$1" in
+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-# If it does not exist, or fails to run (possibly an outdated version),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)
     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]"
+  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 0.4 - GNU automake"
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
     ;;
 
   -*)
     echo 1>&2 "$0: Unknown \`$1' option"
     echo 1>&2 "Try \`$0 --help' for more information"
     exit 1
     ;;
 
-  aclocal*)
+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 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_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
-
+  autoconf*)
     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_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
-
+  autoheader*)
     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_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
+      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*)
-    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_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)
-    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
-       # We have it, but it failed.
-       exit 1
-    fi
-
+  autom4te*)
     echo 1>&2 "\
-WARNING: \`$1' is needed, and you do not seem to have it handy on your
-         system.  You might have modified some files without having the
+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 \`$1Help2man' as part of \`Autoconf' from any GNU
+         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'`
+    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)
+  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."
     rm -f y.tab.c y.tab.h
-    if [ $# -ne 1 ]; then
+    if test $# -ne 1; then
         eval LASTARG="\${$#}"
-        case "$LASTARG" in
+        case $LASTARG in
         *.y)
             SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
-            if [ -f "$SRCFILE" ]; then
+            if test -f "$SRCFILE"; then
                  cp "$SRCFILE" y.tab.c
             fi
             SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
-            if [ -f "$SRCFILE" ]; then
+            if test -f "$SRCFILE"; then
                  cp "$SRCFILE" y.tab.h
             fi
           ;;
         esac
     fi
-    if [ ! -f y.tab.h ]; then
+    if test ! -f y.tab.h; then
         echo >y.tab.h
     fi
-    if [ ! -f y.tab.c ]; then
+    if test ! -f y.tab.c; then
         echo 'main() { return 0; }' >y.tab.c
     fi
     ;;
 
-  lex|flex)
+  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."
     rm -f lex.yy.c
-    if [ $# -ne 1 ]; then
+    if test $# -ne 1; then
         eval LASTARG="\${$#}"
-        case "$LASTARG" in
+        case $LASTARG in
         *.l)
             SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
-            if [ -f "$SRCFILE" ]; then
+            if test -f "$SRCFILE"; then
                  cp "$SRCFILE" lex.yy.c
             fi
           ;;
         esac
     fi
-    if [ ! -f lex.yy.c ]; then
+    if test ! -f lex.yy.c; then
         echo 'main() { return 0; }' >lex.yy.c
     fi
     ;;
 
-  help2man)
-    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
-       # We have it, but it failed.
-       exit 1
-    fi
-
+  help2man*)
     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 "$file" ]; then
+    file=`echo "$*" | 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 1
+        exit $?
     fi
     ;;
 
-  makeinfo)
-    if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
-       # We have makeinfo, but it failed.
-       exit 1
-    fi
-
+  makeinfo*)
     echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
+WARNING: \`$1' is $msg.  You should only need it if
          you modified a \`.texi' or \`.texinfo' file, or any other file
          indirectly affecting the aspect of the manual.  The spurious
          call might also be the consequence of using a buggy \`make' (AIX,
          DU, IRIX).  You might want to install the \`Texinfo' package or
          the \`GNU make' package.  Grab either from any GNU archive site."
-    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
+    # 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
-      file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
-      file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
+      # ... or it is the one specified with @setfilename ...
+      infile=`echo "$*" | 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)
+  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
+        case $firstarg in
         *o*)
             firstarg=`echo "$firstarg" | sed s/o//`
             tar "$firstarg" "$@" && exit 0
             ;;
         esac
-        case "$firstarg" in
+        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
-         system.  You might have modified some files without having the
+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 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
     ;;
 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: