Regenerate.

diff --git a/configure b/configure
index cbde45ea672d4c311fb892657c8f873e8b21995c..1d4fd1afaf9d34e89aa487197dfa41160d696c8f 100755 (executable)
--- a/configure
+++ b/configure
@@ -56,15 +56,15 @@ fi
 
 
 # IFS
-# We need space, tab and new line, in precisely that order.
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
 # (If _AS_PATH_WALK were called with IFS unset, it would disable word
 # splitting by setting IFS to empty value.)
 as_nl='
 '
-IFS="  $as_nl"
+IFS=" ""       $as_nl"
 
-# Find who we are.  Look in the path if we contain no path at all
-# relative or not.
+# Find who we are.  Look in the path if we contain no directory separator.
 case $0 in
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -72,6 +72,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
 done
 IFS=$as_save_IFS
@@ -110,7 +111,8 @@ do
 done
 
 # Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1; then
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
@@ -127,7 +129,7 @@ fi
 as_me=`$as_basename "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
         X"$0" : 'X\(//\)$' \| \
-        X"$0" : 'X\(/\)$' \| \
+        X"$0" : 'X\(/\)' \| \
         .     : '\(.\)' 2>/dev/null ||
 echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
@@ -220,6 +222,7 @@ for as_dir in /usr/bin/posix$PATH_SEPARATOR/bin$PATH_SEPARATOR/usr/bin$PATH_SEPA
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   case $as_dir in
         /*)
           for as_base in sh bash ksh sh5; do
@@ -445,13 +448,19 @@ test \$exitcode = 0") || {
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensible to this).
+  # original and so on.  Autoconf is especially sensitive to this).
   . "./$as_me.lineno"
   # Exit status is that of the last command.
   exit
 }
 
 
+if (dirname /) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in
 -n*)
@@ -463,7 +472,8 @@ case `echo -n x` in
   ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1; then
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
@@ -1060,7 +1070,7 @@ test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
 if test -z "$srcdir"; then
   ac_srcdir_defaulted=yes
   # Try the directory containing this script, then the parent directory.
-  ac_confdir=`(dirname "$0") 2>/dev/null ||
+  ac_confdir=`$as_dirname "$0" ||
 $as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
         X"$0" : 'X\(//\)[^/]' \| \
         X"$0" : 'X\(//\)$' \| \
@@ -1324,7 +1334,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  echo "PATH: $as_dir"
+    echo "PATH: $as_dir"
 done
 IFS=$as_save_IFS
 
@@ -1679,6 +1689,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   # Account for people who put trailing slashes in PATH elements.
 case $as_dir/ in
   ./ | .// | /cC/* | \
@@ -1856,6 +1867,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_AWK="$ac_prog"
@@ -1991,6 +2003,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
@@ -2031,6 +2044,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_STRIP="strip"
@@ -2161,6 +2175,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_path_EXPR="$as_dir/$ac_word$ac_exec_ext"
@@ -2213,6 +2228,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_path_M4="$as_dir/$ac_word$ac_exec_ext"
@@ -2293,6 +2309,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_path_PERL="$as_dir/$ac_word$ac_exec_ext"
@@ -2354,6 +2371,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_TEST_EMACS="$ac_prog"
@@ -2440,6 +2458,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_EMACS="$ac_prog"
@@ -2538,6 +2557,7 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_prog in grep ggrep; do
   for ac_exec_ext in '' $ac_executable_extensions; do
     ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
@@ -2620,6 +2640,7 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_prog in egrep; do
   for ac_exec_ext in '' $ac_executable_extensions; do
     ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
@@ -2700,6 +2721,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   for ac_prog in sed gsed; do
   for ac_exec_ext in '' $ac_executable_extensions; do
     ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
@@ -2945,15 +2967,15 @@ fi
 
 
 # IFS
-# We need space, tab and new line, in precisely that order.
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
 # (If _AS_PATH_WALK were called with IFS unset, it would disable word
 # splitting by setting IFS to empty value.)
 as_nl='
 '
-IFS="  $as_nl"
+IFS=" ""       $as_nl"
 
-# Find who we are.  Look in the path if we contain no path at all
-# relative or not.
+# Find who we are.  Look in the path if we contain no directory separator.
 case $0 in
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -2961,6 +2983,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
+  test -d "$as_dir" || continue
   test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
 done
 IFS=$as_save_IFS
@@ -2999,7 +3022,8 @@ do
 done
 
 # Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1; then
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
@@ -3016,7 +3040,7 @@ fi
 as_me=`$as_basename "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
         X"$0" : 'X\(//\)$' \| \
-        X"$0" : 'X\(/\)$' \| \
+        X"$0" : 'X\(/\)' \| \
         .     : '\(.\)' 2>/dev/null ||
 echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
@@ -3074,13 +3098,19 @@ $as_unset CDPATH
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensible to this).
+  # original and so on.  Autoconf is especially sensitive to this).
   . "./$as_me.lineno"
   # Exit status is that of the last command.
   exit
 }
 
 
+if (dirname /) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in
 -n*)
@@ -3092,7 +3122,8 @@ case `echo -n x` in
   ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1; then
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
 else
   as_expr=false
@@ -3560,7 +3591,7 @@ echo "$as_me: creating $ac_file" >&6;}
     ;;
   esac
 
-  ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+  ac_dir=`$as_dirname "$ac_file" ||
 $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
         X"$ac_file" : 'X\(//\)[^/]' \| \
         X"$ac_file" : 'X\(//\)$' \| \
@@ -3591,7 +3622,7 @@ echo X"$ac_file" |
     as_dirs=
     while test ! -d "$as_dir"; do
       as_dirs="$as_dir $as_dirs"
-      as_dir=`(dirname "$as_dir") 2>/dev/null ||
+      as_dir=`$as_dirname "$as_dir" ||
 $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
         X"$as_dir" : 'X\(//\)[^/]' \| \
         X"$as_dir" : 'X\(//\)$' \| \
@@ -3620,7 +3651,6 @@ echo X"$as_dir" |
   fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
 echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
    { (exit 1); exit 1; }; }; }
-
   ac_builddir=.
 
 case "$ac_dir" in