check for opencv libraries

svn path=/trunk/externals/pix_opencv/; revision=13698

3 files changed, 2096 insertions, 2282 deletions

diff --git a/Makefile b/Makefile
index 3934dce..807f9fe 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 PD_DIR = /Software/pd-svn/trunk/pd
-GEM_DIR = /usr/local/pd/gem
+GEM_DIR = /usr/src/gem-0.91-3
 
 GEM_OPENCV_VERSION = 0.2
 
diff --git a/configure b/configure
index 9ba934f..126619a 100755
--- a/configure
+++ b/configure
@@ -1,60 +1,83 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.61.
+# Generated by GNU Autoconf 2.65.
+#
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
+#
+#
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
 esac
-
 fi
 
 
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
   else
-    PATH_SEPARATOR=:
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
   fi
-  rm -f conf$$.sh
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
 fi
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
 fi
 
 
@@ -63,20 +86,18 @@ fi
 # 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"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
+case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
 IFS=$as_save_IFS
 
      ;;
@@ -87,354 +108,321 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
 fi
 
-# Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
 done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
-do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
-  else
-    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-  fi
-done
-
-# Required to use basename.
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-
-# Name of the executable.
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
 
 # CDPATH.
-$as_unset CDPATH
-
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 if test "x$CONFIG_SHELL" = x; then
-  if (eval ":") 2>/dev/null; then
-  as_have_required=yes
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
 else
-  as_have_required=no
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
 fi
-
-  if test $as_have_required = yes && 	 (eval ":
-(as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
 
 exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
+  as_have_required=yes
 else
-  exitcode=1
-  echo positional parameters were not saved.
+  as_have_required=no
 fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
 
-test \$exitcode = 0) || { (exit 1); exit 1; }
-
-(
-  as_lineno_1=\$LINENO
-  as_lineno_2=\$LINENO
-  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
-  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
-") 2> /dev/null; then
-  :
 else
-  as_candidate_shells=
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  case $as_dir in
+  as_found=:
+  case $as_dir in #(
 	 /*)
 	   for as_base in sh bash ksh sh5; do
-	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir/$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  break 2
+fi
+fi
 	   done;;
        esac
+  as_found=false
 done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
 IFS=$as_save_IFS
 
 
-      for as_shell in $as_candidate_shells $SHELL; do
-	 # Try only shells that exist, to save several forks.
-	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		{ ("$as_shell") 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
+      if test "x$CONFIG_SHELL" != x; then :
+  # We cannot yet assume a decent shell, so we have to provide a
+	# neutralization value for shells without unset; and this also
+	# works around shells that cannot unset nonexistent variables.
+	BASH_ENV=/dev/null
+	ENV=/dev/null
+	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+	export CONFIG_SHELL
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
 fi
 
-
-:
-_ASEOF
-}; then
-  CONFIG_SHELL=$as_shell
-	       as_have_required=yes
-	       if { "$as_shell" 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+  fi
+  exit 1
 fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
 
-
-:
-(as_func_return () {
-  (exit $1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
 }
+as_unset=as_fn_unset
 
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
 
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
 
-if as_func_ret_success; then
-  :
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
 else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = "$1" ); then
-  :
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
 else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test $exitcode = 0) || { (exit 1); exit 1; }
-
-(
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
-
-_ASEOF
-}; then
-  break
-fi
-
-fi
-
-      done
-
-      if test "x$CONFIG_SHELL" != x; then
-  for as_var in BASH_ENV ENV
-        do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-        done
-        export CONFIG_SHELL
-        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
-fi
-
-
-    if test $as_have_required = no; then
-  echo This script requires a shell more modern than all the
-      echo shells that I found on your system.  Please install a
-      echo modern shell, or manually run the script under such a
-      echo shell if you do have one.
-      { (exit 1); exit 1; }
-fi
-
-
-fi
-
-fi
-
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
 
 
-(eval "as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  fi
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
 
-exitcode=0
-if as_func_success; then
-  :
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
 else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
+  as_expr=false
 fi
 
-if as_func_ret_success; then
-  :
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
 else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
+  as_basename=false
 fi
 
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
 else
-  exitcode=1
-  echo positional parameters were not saved.
+  as_dirname=false
 fi
 
-test \$exitcode = 0") || {
-  echo No shell found that supports shell functions.
-  echo Please tell autoconf@gnu.org about your system,
-  echo including any error possibly output before this
-  echo message
-}
-
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
 
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
 
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
   sed -n '
     p
     /[$]LINENO/=
@@ -451,8 +439,7 @@ test \$exitcode = 0") || {
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # 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
@@ -462,49 +449,40 @@ test \$exitcode = 0") || {
   exit
 }
 
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
+case `echo -n x` in #(((((
 -n*)
-  case `echo 'x\c'` in
+  case `echo 'xy\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
   esac;;
 *)
   ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
 else
   rm -f conf$$.dir
-  mkdir conf$$.dir
-fi
-echo >conf$$.file
-if ln -s conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s='ln -s'
-  # ... but there are two gotchas:
-  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-  # In both cases, we have to default to `cp -p'.
-  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
     as_ln_s='cp -p'
-elif ln conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s=ln
+  fi
 else
   as_ln_s='cp -p'
 fi
@@ -512,7 +490,7 @@ rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
 
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
@@ -529,12 +507,12 @@ else
   as_test_x='
     eval sh -c '\''
       if test -d "$1"; then
-        test -d "$1/.";
+	test -d "$1/.";
       else
-	case $1 in
-        -*)set "./$1";;
+	case $1 in #(
+	-*)set "./$1";;
 	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
 	???[sx]*):;;*)false;;esac;fi
     '\'' sh
   '
@@ -548,8 +526,8 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-
-exec 7<&0 </dev/null 6>&1
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
 
 # Name of the host.
 # hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
@@ -567,7 +545,6 @@ cross_compiling=no
 subdirs=
 MFLAGS=
 MAKEFLAGS=
-SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Identity of this package.
 PACKAGE_NAME=
@@ -575,83 +552,92 @@ PACKAGE_TARNAME=
 PACKAGE_VERSION=
 PACKAGE_STRING=
 PACKAGE_BUGREPORT=
+PACKAGE_URL=
 
-ac_subst_vars='SHELL
-PATH_SEPARATOR
-PACKAGE_NAME
-PACKAGE_TARNAME
-PACKAGE_VERSION
-PACKAGE_STRING
-PACKAGE_BUGREPORT
-exec_prefix
-prefix
-program_transform_name
-bindir
-sbindir
-libexecdir
-datarootdir
-datadir
-sysconfdir
-sharedstatedir
-localstatedir
-includedir
-oldincludedir
-docdir
-infodir
-htmldir
-dvidir
-pdfdir
-psdir
-libdir
-localedir
-mandir
-DEFS
-ECHO_C
-ECHO_N
-ECHO_T
-LIBS
-build_alias
-host_alias
-target_alias
-build
-build_cpu
-build_vendor
-build_os
-host
-host_cpu
-host_vendor
-host_os
-INSTALL_PROGRAM
-INSTALL_SCRIPT
-INSTALL_DATA
-PACKAGE
-VERSION
-ACLOCAL
-AUTOCONF
-AUTOMAKE
-AUTOHEADER
-MAKEINFO
-SET_MAKE
-CC
-CFLAGS
-LDFLAGS
-CPPFLAGS
-ac_ct_CC
-EXEEXT
-OBJEXT
-CPP
-GREP
-EGREP
-MAINTAINER_MODE_TRUE
-MAINTAINER_MODE_FALSE
-MAINT
-PD_DIR
-GEM_DIR
-GEM_OPENCV_VERSION
-SOURCES_OPT
+ac_subst_vars='LTLIBOBJS
 LIBOBJS
-LTLIBOBJS'
+SOURCES_OPT
+GEM_OPENCV_VERSION
+GEM_DIR
+PD_DIR
+MAINT
+MAINTAINER_MODE_FALSE
+MAINTAINER_MODE_TRUE
+EGREP
+GREP
+CPP
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+SET_MAKE
+MAKEINFO
+AUTOHEADER
+AUTOMAKE
+AUTOCONF
+ACLOCAL
+VERSION
+PACKAGE
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
 ac_subst_files=''
+ac_user_opts='
+enable_option_checking
+with_pdsources
+with_gemsources
+enable_maintainer_mode
+with_dmalloc
+'
       ac_precious_vars='build_alias
 host_alias
 target_alias
@@ -666,6 +652,8 @@ CPP'
 # Initialize some variables set by options.
 ac_init_help=
 ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
 # The variables have the same names as the options, with
 # dashes changed to underlines.
 cache_file=/dev/null
@@ -764,13 +752,20 @@ do
     datarootdir=$ac_optarg ;;
 
   -disable-* | --disable-*)
-    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-   { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
-    eval enable_$ac_feature=no ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
 
   -docdir | --docdir | --docdi | --doc | --do)
     ac_prev=docdir ;;
@@ -783,13 +778,20 @@ do
     dvidir=$ac_optarg ;;
 
   -enable-* | --enable-*)
-    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
-   { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
-    eval enable_$ac_feature=\$ac_optarg ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid feature name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=\$ac_optarg ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -980,22 +982,36 @@ do
     ac_init_version=: ;;
 
   -with-* | --with-*)
-    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid package name: $ac_package" >&2
-   { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
-    eval with_$ac_package=\$ac_optarg ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
 
   -without-* | --without-*)
-    ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid package name: $ac_package" >&2
-   { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
-    eval with_$ac_package=no ;;
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error "invalid package name: $ac_useropt"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -1015,25 +1031,25 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) { echo "$as_me: error: unrecognized option: $ac_option
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; }
+  -*) as_fn_error "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information."
     ;;
 
   *=*)
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
-      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
-   { (exit 1); exit 1; }; }
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
+    esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
@@ -1042,23 +1058,36 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  { echo "$as_me: error: missing argument to $ac_option" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error "missing argument to $ac_option"
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
 fi
 
-# Be sure to have absolute directory names.
+# Check all directory arguments for consistency.
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
 		libdir localedir mandir
 do
   eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
   case $ac_val in
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1072,7 +1101,7 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
     If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
@@ -1088,23 +1117,21 @@ test "$silent" = yes && exec 6>/dev/null
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  { echo "$as_me: error: Working directory cannot be determined" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  { echo "$as_me: error: pwd does not report name of working directory" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then
   ac_srcdir_defaulted=yes
   # Try the directory containing this script, then the parent directory.
-  ac_confdir=`$as_dirname -- "$0" ||
-$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$0" : 'X\(//\)[^/]' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-echo X"$0" |
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_myself" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1131,13 +1158,11 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || { echo "$as_me: error: $ac_msg" >&2
-   { (exit 1); exit 1; }; }
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1185,9 +1210,9 @@ Configuration:
 
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
-			  [$ac_default_prefix]
+                          [$ac_default_prefix]
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
-			  [PREFIX]
+                          [PREFIX]
 
 By default, \`make install' will install all the files in
 \`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
@@ -1197,25 +1222,25 @@ for instance \`--prefix=\$HOME'.
 For better control, use the options below.
 
 Fine tuning of the installation directories:
-  --bindir=DIR           user executables [EPREFIX/bin]
-  --sbindir=DIR          system admin executables [EPREFIX/sbin]
-  --libexecdir=DIR       program executables [EPREFIX/libexec]
-  --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]
-  --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]
-  --localstatedir=DIR    modifiable single-machine data [PREFIX/var]
-  --libdir=DIR           object code libraries [EPREFIX/lib]
-  --includedir=DIR       C header files [PREFIX/include]
-  --oldincludedir=DIR    C header files for non-gcc [/usr/include]
-  --datarootdir=DIR      read-only arch.-independent data root [PREFIX/share]
-  --datadir=DIR          read-only architecture-independent data [DATAROOTDIR]
-  --infodir=DIR          info documentation [DATAROOTDIR/info]
-  --localedir=DIR        locale-dependent data [DATAROOTDIR/locale]
-  --mandir=DIR           man documentation [DATAROOTDIR/man]
-  --docdir=DIR           documentation root [DATAROOTDIR/doc/PACKAGE]
-  --htmldir=DIR          html documentation [DOCDIR]
-  --dvidir=DIR           dvi documentation [DOCDIR]
-  --pdfdir=DIR           pdf documentation [DOCDIR]
-  --psdir=DIR            ps documentation [DOCDIR]
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
 _ACEOF
 
   cat <<\_ACEOF
@@ -1236,6 +1261,7 @@ if test -n "$ac_init_help"; then
   cat <<\_ACEOF
 
 Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-maintainer-mode enable make rules and dependencies not useful
@@ -1255,13 +1281,14 @@ Some influential environment variables:
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
   LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
+Report bugs to the package provider.
 _ACEOF
 ac_status=$?
 fi
@@ -1269,15 +1296,17 @@ fi
 if test "$ac_init_help" = "recursive"; then
   # If there are subdirs, report their specific --help.
   for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
-    test -d "$ac_dir" || continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
     ac_builddir=.
 
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -1313,7 +1342,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1323,21 +1352,187 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.61
+generated by GNU Autoconf 2.65
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
   exit
 fi
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.61.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
 
@@ -1373,8 +1568,8 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  echo "PATH: $as_dir"
-done
+    $as_echo "PATH: $as_dir"
+  done
 IFS=$as_save_IFS
 
 } >&5
@@ -1408,12 +1603,12 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
     2)
-      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      as_fn_append ac_configure_args1 " '$ac_arg'"
       if test $ac_must_keep_next = true; then
 	ac_must_keep_next=false # Got value, back to normal.
       else
@@ -1429,13 +1624,13 @@ do
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      ac_configure_args="$ac_configure_args '$ac_arg'"
+      as_fn_append ac_configure_args " '$ac_arg'"
       ;;
     esac
   done
 done
-$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
-$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
@@ -1460,12 +1655,13 @@ _ASBOX
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
-echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      *) $as_unset $ac_var ;;
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
       esac ;;
     esac
   done
@@ -1494,9 +1690,9 @@ _ASBOX
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      echo "$ac_var='\''$ac_val'\''"
+      $as_echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
@@ -1511,9 +1707,9 @@ _ASBOX
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	echo "$ac_var='\''$ac_val'\''"
+	$as_echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
@@ -1529,83 +1725,88 @@ _ASBOX
       echo
     fi
     test "$ac_signal" != 0 &&
-      echo "$as_me: caught signal $ac_signal"
-    echo "$as_me: exit $exit_status"
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
   } >&5
   rm -f core *.core core.conftest.* &&
     rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
 ' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
 done
 ac_signal=0
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
+$as_echo "/* confdefs.h */" > confdefs.h
+
 # Predefined preprocessor variables.
 
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_NAME "$PACKAGE_NAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_TARNAME "$PACKAGE_TARNAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_VERSION "$PACKAGE_VERSION"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_STRING "$PACKAGE_STRING"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
 
 # Let the site file select an alternate cache file if it wants to.
-# Prefer explicitly selected file to automatically selected ones.
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  set x "$CONFIG_SITE"
+  ac_site_file1=$CONFIG_SITE
 elif test "x$prefix" != xNONE; then
-  set x "$prefix/share/config.site" "$prefix/etc/config.site"
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
 else
-  set x "$ac_default_prefix/share/config.site" \
-	"$ac_default_prefix/etc/config.site"
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
 fi
-shift
-for ac_site_file
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
 do
-  if test -r "$ac_site_file"; then
-    { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
-echo "$as_me: loading site script $ac_site_file" >&6;}
+  test "x$ac_site_file" = xNONE && continue
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file"
   fi
 done
 
 if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special
-  # files actually), so we avoid doing that.
-  if test -f "$cache_file"; then
-    { echo "$as_me:$LINENO: loading cache $cache_file" >&5
-echo "$as_me: loading cache $cache_file" >&6;}
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { echo "$as_me:$LINENO: creating cache $cache_file" >&5
-echo "$as_me: creating cache $cache_file" >&6;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
@@ -1619,60 +1820,56 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
-echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-	{ echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
-echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-	{ echo "$as_me:$LINENO:   former value:  $ac_old_val" >&5
-echo "$as_me:   former value:  $ac_old_val" >&2;}
-	{ echo "$as_me:$LINENO:   current value: $ac_new_val" >&5
-echo "$as_me:   current value: $ac_new_val" >&2;}
-	ac_cache_corrupted=:
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
       *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
-echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
-echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
-   { (exit 1); exit 1; }; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -1683,24 +1880,16 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  if test -f "$ac_dir/install-sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install-sh -c"
-    break
-  elif test -f "$ac_dir/install.sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install.sh -c"
-    break
-  elif test -f "$ac_dir/shtool"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/shtool install -c"
-    break
-  fi
+  for ac_t in install-sh install.sh shtool; do
+    if test -f "$ac_dir/$ac_t"; then
+      ac_aux_dir=$ac_dir
+      ac_install_sh="$ac_aux_dir/$ac_t -c"
+      break 2
+    fi
+  done
 done
 if test -z "$ac_aux_dir"; then
-  { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
-echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -1714,35 +1903,27 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  { { echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
-echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
-{ echo "$as_me:$LINENO: checking build system type" >&5
-echo $ECHO_N "checking build system type... $ECHO_C" >&6; }
-if test "${ac_cv_build+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if test "${ac_cv_build+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
-echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
-echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_build" >&5
-echo "${ECHO_T}$ac_cv_build" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) { { echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
-echo "$as_me: error: invalid value of canonical build" >&2;}
-   { (exit 1); exit 1; }; };;
+*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -1758,28 +1939,24 @@ IFS=$ac_save_IFS
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ echo "$as_me:$LINENO: checking host system type" >&5
-echo $ECHO_N "checking host system type... $ECHO_C" >&6; }
-if test "${ac_cv_host+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if test "${ac_cv_host+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
-echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_host" >&5
-echo "${ECHO_T}$ac_cv_host" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) { { echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
-echo "$as_me: error: invalid value of canonical host" >&2;}
-   { (exit 1); exit 1; }; };;
+*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -1808,22 +1985,23 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
-{ echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
-echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6; }
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+if test "${ac_cv_path_install+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in
-  ./ | .// | /cC/* | \
+    # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+  ./ | .// | /[cC]/* | \
   /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
-  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
   /usr/ucb/* ) ;;
   *)
     # OSF1 and SCO ODT 3.0 have their own names for install.
@@ -1841,17 +2019,29 @@ case $as_dir/ in
 	    # program-specific install script used by HP pwplus--don't use.
 	    :
 	  else
-	    ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
-	    break 3
+	    rm -rf conftest.one conftest.two conftest.dir
+	    echo one > conftest.one
+	    echo two > conftest.two
+	    mkdir conftest.dir
+	    if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+	      test -s conftest.one && test -s conftest.two &&
+	      test -s conftest.dir/conftest.one &&
+	      test -s conftest.dir/conftest.two
+	    then
+	      ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+	      break 3
+	    fi
 	  fi
 	fi
       done
     done
     ;;
 esac
-done
+
+  done
 IFS=$as_save_IFS
 
+rm -rf conftest.one conftest.two conftest.dir
 
 fi
   if test "${ac_cv_path_install+set}" = set; then
@@ -1864,8 +2054,8 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-{ echo "$as_me:$LINENO: result: $INSTALL" >&5
-echo "${ECHO_T}$INSTALL" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
 # It thinks the first close brace ends the variable substitution.
@@ -1875,8 +2065,8 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-{ echo "$as_me:$LINENO: checking whether build environment is sane" >&5
-echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
+$as_echo_n "checking whether build environment is sane... " >&6; }
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -1898,11 +2088,8 @@ if (
       # if, for instance, CONFIG_SHELL is bash and it inherits a
       # broken ls alias from the environment.  This has actually
       # happened.  Such a system could not be considered "sane".
-      { { echo "$as_me:$LINENO: error: ls -t appears to fail.  Make sure there is not a broken
-alias in your environment" >&5
-echo "$as_me: error: ls -t appears to fail.  Make sure there is not a broken
-alias in your environment" >&2;}
-   { (exit 1); exit 1; }; }
+      as_fn_error "ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" "$LINENO" 5
    fi
 
    test "$2" = conftestfile
@@ -1911,33 +2098,28 @@ then
    # Ok.
    :
 else
-   { { echo "$as_me:$LINENO: error: newly created file is older than distributed files!
-Check your system clock" >&5
-echo "$as_me: error: newly created file is older than distributed files!
-Check your system clock" >&2;}
-   { (exit 1); exit 1; }; }
+   as_fn_error "newly created file is older than distributed files!
+Check your system clock" "$LINENO" 5
 fi
 rm -f conftest*
-{ echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 test "$program_prefix" != NONE &&
   program_transform_name="s&^&$program_prefix&;$program_transform_name"
 # Use a double $ so make ignores it.
 test "$program_suffix" != NONE &&
   program_transform_name="s&\$&$program_suffix&;$program_transform_name"
-# Double any \ or $.  echo might interpret backslashes.
+# Double any \ or $.
 # By default was `s,x,x', remove it if useless.
-cat <<\_ACEOF >conftest.sed
-s/[\\$]/&&/g;s/;s,x,x,$//
-_ACEOF
-program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
-rm -f conftest.sed
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
 
-{ echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
-echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6; }
-set x ${MAKE-make}; ac_make=`echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
@@ -1954,12 +2136,12 @@ esac
 rm -f conftest.make
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
-  { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
   SET_MAKE=
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
@@ -1969,9 +2151,7 @@ PACKAGE=
 VERSION=
 
 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
-  { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
-echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
 fi
 
 cat >>confdefs.h <<_ACEOF
@@ -1986,79 +2166,79 @@ _ACEOF
 
 
 missing_dir=`cd $ac_aux_dir && pwd`
-{ echo "$as_me:$LINENO: checking for working aclocal" >&5
-echo $ECHO_N "checking for working aclocal... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working aclocal" >&5
+$as_echo_n "checking for working aclocal... " >&6; }
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
 if (aclocal --version) < /dev/null > /dev/null 2>&1; then
    ACLOCAL=aclocal
-   { echo "$as_me:$LINENO: result: found" >&5
-echo "${ECHO_T}found" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
 else
    ACLOCAL="$missing_dir/missing aclocal"
-   { echo "$as_me:$LINENO: result: missing" >&5
-echo "${ECHO_T}missing" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
-{ echo "$as_me:$LINENO: checking for working autoconf" >&5
-echo $ECHO_N "checking for working autoconf... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working autoconf" >&5
+$as_echo_n "checking for working autoconf... " >&6; }
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
 if (autoconf --version) < /dev/null > /dev/null 2>&1; then
    AUTOCONF=autoconf
-   { echo "$as_me:$LINENO: result: found" >&5
-echo "${ECHO_T}found" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
 else
    AUTOCONF="$missing_dir/missing autoconf"
-   { echo "$as_me:$LINENO: result: missing" >&5
-echo "${ECHO_T}missing" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
-{ echo "$as_me:$LINENO: checking for working automake" >&5
-echo $ECHO_N "checking for working automake... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working automake" >&5
+$as_echo_n "checking for working automake... " >&6; }
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
 if (automake --version) < /dev/null > /dev/null 2>&1; then
    AUTOMAKE=automake
-   { echo "$as_me:$LINENO: result: found" >&5
-echo "${ECHO_T}found" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
 else
    AUTOMAKE="$missing_dir/missing automake"
-   { echo "$as_me:$LINENO: result: missing" >&5
-echo "${ECHO_T}missing" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
-{ echo "$as_me:$LINENO: checking for working autoheader" >&5
-echo $ECHO_N "checking for working autoheader... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working autoheader" >&5
+$as_echo_n "checking for working autoheader... " >&6; }
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
 if (autoheader --version) < /dev/null > /dev/null 2>&1; then
    AUTOHEADER=autoheader
-   { echo "$as_me:$LINENO: result: found" >&5
-echo "${ECHO_T}found" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
 else
    AUTOHEADER="$missing_dir/missing autoheader"
-   { echo "$as_me:$LINENO: result: missing" >&5
-echo "${ECHO_T}missing" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
-{ echo "$as_me:$LINENO: checking for working makeinfo" >&5
-echo $ECHO_N "checking for working makeinfo... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working makeinfo" >&5
+$as_echo_n "checking for working makeinfo... " >&6; }
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
 if (makeinfo --version) < /dev/null > /dev/null 2>&1; then
    MAKEINFO=makeinfo
-   { echo "$as_me:$LINENO: result: found" >&5
-echo "${ECHO_T}found" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5
+$as_echo "found" >&6; }
 else
    MAKEINFO="$missing_dir/missing makeinfo"
-   { echo "$as_me:$LINENO: result: missing" >&5
-echo "${ECHO_T}missing" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+$as_echo "missing" >&6; }
 fi
 
 
@@ -2092,7 +2272,7 @@ esac
 
 
 # Check whether --with-pdsources was given.
-if test "${with_pdsources+set}" = set; then
+if test "${with_pdsources+set}" = set; then :
   withval=$with_pdsources;
 fi
 
@@ -2101,9 +2281,7 @@ then
   pd_tree="`cd ${with_pd} 2>/dev/null && pwd`"
   if test -z "${pd_tree}"
   then
-      { { echo "$as_me:$LINENO: error: pd sources not found in ${with_pd}" >&5
-echo "$as_me: error: pd sources not found in ${with_pd}" >&2;}
-   { (exit 1); exit 1; }; }
+      as_fn_error "pd sources not found in ${with_pd}" "$LINENO" 5
   else
    PD_DIR=${pd_tree}
   fi
@@ -2111,7 +2289,7 @@ fi
 
 
 # Check whether --with-gemsources was given.
-if test "${with_gemsources+set}" = set; then
+if test "${with_gemsources+set}" = set; then :
   withval=$with_gemsources;
 fi
 
@@ -2120,9 +2298,7 @@ then
   gem_tree="`cd ${with_gem} 2>/dev/null && pwd`"
   if test -z "${gem_tree}"
   then
-      { { echo "$as_me:$LINENO: error: gem sources not found in ${with_gem}" >&5
-echo "$as_me: error: gem sources not found in ${with_gem}" >&2;}
-   { (exit 1); exit 1; }; }
+      as_fn_error "gem sources not found in ${with_gem}" "$LINENO" 5
   else
    GEM_DIR=${gem_tree}
   fi
@@ -2136,10 +2312,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2149,25 +2325,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2176,10 +2352,10 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -2189,25 +2365,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -2215,12 +2391,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2233,10 +2405,10 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2246,25 +2418,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2273,10 +2445,10 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2287,18 +2459,18 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
@@ -2317,11 +2489,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2332,10 +2504,10 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -2345,25 +2517,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2376,10 +2548,10 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -2389,25 +2561,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2419,12 +2591,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2434,51 +2602,37 @@ fi
 fi
 
 
-test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "no acceptable C compiler found in \$PATH
+See \`config.log' for more details." "$LINENO" 5; }
 
 # Provide some information about the compiler.
-echo "$as_me:$LINENO: checking for C compiler version" >&5
-ac_compiler=`set X $ac_compile; echo $2`
-{ (ac_try="$ac_compiler --version >&5"
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
 
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2490,42 +2644,38 @@ main ()
 }
 _ACEOF
 ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.exe b.out"
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
-echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; }
-ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-#
-# List of possible output files, starting from the most likely.
-# The algorithm is not robust to junk in `.', hence go to wildcards (a.*)
-# only as a last resort.  b.out is created by i960 compilers.
-ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out'
-#
-# The IRIX 6 linker writes into existing files which may not be
-# executable, retaining their permissions.  Remove them first so a
-# subsequent execution test works.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
 ac_rmfiles=
 for ac_file in $ac_files
 do
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
     * ) ac_rmfiles="$ac_rmfiles $ac_file";;
   esac
 done
 rm -f $ac_rmfiles
 
-if { (ac_try="$ac_link_default"
+if { { ac_try="$ac_link_default"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -2535,14 +2685,14 @@ for ac_file in $ac_files ''
 do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj )
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
 	;;
     [ab].out )
 	# We found the default executable, but exeext='' is most
 	# certainly right.
 	break;;
     *.* )
-        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -2561,78 +2711,42 @@ test "$ac_cv_exeext" = no && ac_cv_exeext=
 else
   ac_file=''
 fi
-
-{ echo "$as_me:$LINENO: result: $ac_file" >&5
-echo "${ECHO_T}$ac_file" >&6; }
-if test -z "$ac_file"; then
-  echo "$as_me: failed program was:" >&5
+if test -z "$ac_file"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
-See \`config.log' for more details." >&5
-echo "$as_me: error: C compiler cannot create executables
-See \`config.log' for more details." >&2;}
-   { (exit 77); exit 77; }; }
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ as_fn_set_status 77
+as_fn_error "C compiler cannot create executables
+See \`config.log' for more details." "$LINENO" 5; }; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 fi
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5
-echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; }
-# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
-# If not cross compiling, check that we can run a simple program.
-if test "$cross_compiling" != yes; then
-  if { ac_try='./$ac_file'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-    cross_compiling=no
-  else
-    if test "$cross_compiling" = maybe; then
-	cross_compiling=yes
-    else
-	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
-    fi
-  fi
-fi
-{ echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-
-rm -f a.out a.exe conftest$ac_cv_exeext b.out
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
-echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; }
-{ echo "$as_me:$LINENO: result: $cross_compiling" >&5
-echo "${ECHO_T}$cross_compiling" >&6; }
-
-{ echo "$as_me:$LINENO: checking for suffix of executables" >&5
-echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; }
-if { (ac_try="$ac_link"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -2640,37 +2754,90 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	  break;;
     * ) break;;
   esac
 done
 else
-  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." "$LINENO" 5; }
 fi
-
-rm -f conftest$ac_cv_exeext
-{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
-echo "${ECHO_T}$ac_cv_exeext" >&6; }
+rm -f conftest conftest$ac_cv_exeext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-{ echo "$as_me:$LINENO: checking for suffix of object files" >&5
-echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; }
-if test "${ac_cv_objext+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
 _ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." "$LINENO" 5; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if test "${ac_cv_objext+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2682,51 +2849,46 @@ main ()
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (ac_try="$ac_compile"
+if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
     *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
        break;;
   esac
 done
 else
-  echo "$as_me: failed program was:" >&5
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&5
-echo "$as_me: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." "$LINENO" 5; }
 fi
-
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
-echo "${ECHO_T}$ac_cv_objext" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2740,54 +2902,34 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_compiler_gnu=no
+  ac_compiler_gnu=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
-GCC=`test $ac_compiler_gnu = yes && echo yes`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2798,34 +2940,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2836,35 +2955,12 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_compile "$LINENO"; then :
 
-	ac_c_werror_flag=$ac_save_c_werror_flag
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2875,42 +2971,18 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -2926,18 +2998,14 @@ else
     CFLAGS=
   fi
 fi
-{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
-echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
@@ -2994,31 +3062,9 @@ for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
 	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_c89=$ac_arg
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
@@ -3029,17 +3075,19 @@ fi
 # AC_CACHE_VAL
 case "x$ac_cv_prog_cc_c89" in
   x)
-    { echo "$as_me:$LINENO: result: none needed" >&5
-echo "${ECHO_T}none needed" >&6; } ;;
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
   xno)
-    { echo "$as_me:$LINENO: result: unsupported" >&5
-echo "${ECHO_T}unsupported" >&6; } ;;
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
   *)
     CC="$CC $ac_cv_prog_cc_c89"
-    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
 esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
 
+fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3049,18 +3097,14 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-        { echo "$as_me:$LINENO: checking for strerror in -lcposix" >&5
-echo $ECHO_N "checking for strerror in -lcposix... $ECHO_C" >&6; }
-if test "${ac_cv_lib_cposix_strerror+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strerror in -lcposix" >&5
+$as_echo_n "checking for strerror in -lcposix... " >&6; }
+if test "${ac_cv_lib_cposix_strerror+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcposix  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -3078,39 +3122,18 @@ return strerror ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_cposix_strerror=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_cposix_strerror=no
+  ac_cv_lib_cposix_strerror=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_cposix_strerror" >&5
-echo "${ECHO_T}$ac_cv_lib_cposix_strerror" >&6; }
-if test $ac_cv_lib_cposix_strerror = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cposix_strerror" >&5
+$as_echo "$ac_cv_lib_cposix_strerror" >&6; }
+if test "x$ac_cv_lib_cposix_strerror" = x""yes; then :
   LIBS="$LIBS -lcposix"
 fi
 
@@ -3124,10 +3147,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3137,25 +3160,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -3164,10 +3187,10 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -3177,25 +3200,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -3203,12 +3226,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -3221,10 +3240,10 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3234,25 +3253,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -3261,10 +3280,10 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3275,18 +3294,18 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
@@ -3305,11 +3324,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -3320,10 +3339,10 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3333,25 +3352,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { echo "$as_me:$LINENO: result: $CC" >&5
-echo "${ECHO_T}$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -3364,10 +3383,10 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -3377,25 +3396,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
-echo "${ECHO_T}$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -3407,12 +3426,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -3422,56 +3437,42 @@ fi
 fi
 
 
-test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "no acceptable C compiler found in \$PATH
+See \`config.log' for more details." "$LINENO" 5; }
 
 # Provide some information about the compiler.
-echo "$as_me:$LINENO: checking for C compiler version" >&5
-ac_compiler=`set X $ac_compile; echo $2`
-{ (ac_try="$ac_compiler --version >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
 
-{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
-echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3485,54 +3486,34 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_compiler_gnu=no
+  ac_compiler_gnu=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
-echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
-GCC=`test $ac_compiler_gnu = yes && echo yes`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+  GCC=yes
+else
+  GCC=
+fi
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
-echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3543,34 +3524,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3581,35 +3539,12 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_compile "$LINENO"; then :
 
-	ac_c_werror_flag=$ac_save_c_werror_flag
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3620,42 +3555,18 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -3671,18 +3582,14 @@ else
     CFLAGS=
   fi
 fi
-{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
-echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
@@ -3739,31 +3646,9 @@ for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
 	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_c89=$ac_arg
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
@@ -3774,17 +3659,19 @@ fi
 # AC_CACHE_VAL
 case "x$ac_cv_prog_cc_c89" in
   x)
-    { echo "$as_me:$LINENO: result: none needed" >&5
-echo "${ECHO_T}none needed" >&6; } ;;
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
   xno)
-    { echo "$as_me:$LINENO: result: unsupported" >&5
-echo "${ECHO_T}unsupported" >&6; } ;;
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
   *)
     CC="$CC $ac_cv_prog_cc_c89"
-    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
-echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
 esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
 
+fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3795,10 +3682,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-{ echo "$as_me:$LINENO: checking for ${CC-cc} option to accept ANSI C" >&5
-echo $ECHO_N "checking for ${CC-cc} option to accept ANSI C... $ECHO_C" >&6; }
-if test "${am_cv_prog_cc_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${CC-cc} option to accept ANSI C" >&5
+$as_echo_n "checking for ${CC-cc} option to accept ANSI C... " >&6; }
+if test "${am_cv_prog_cc_stdc+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   am_cv_prog_cc_stdc=no
 ac_save_CC="$CC"
@@ -3811,11 +3698,7 @@ ac_save_CC="$CC"
 for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
@@ -3856,31 +3739,9 @@ return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   am_cv_prog_cc_stdc="$ac_arg"; break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 CC="$ac_save_CC"
@@ -3888,11 +3749,11 @@ CC="$ac_save_CC"
 fi
 
 if test -z "$am_cv_prog_cc_stdc"; then
-  { echo "$as_me:$LINENO: result: none needed" >&5
-echo "${ECHO_T}none needed" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; }
 else
-  { echo "$as_me:$LINENO: result: $am_cv_prog_cc_stdc" >&5
-echo "${ECHO_T}$am_cv_prog_cc_stdc" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_stdc" >&5
+$as_echo "$am_cv_prog_cc_stdc" >&6; }
 fi
 case "x$am_cv_prog_cc_stdc" in
   x|xno) ;;
@@ -3904,15 +3765,15 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+  if test "${ac_cv_prog_CPP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
     for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
@@ -3926,11 +3787,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -3939,76 +3796,34 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
+if $ac_preproc_ok; then :
   break
 fi
 
@@ -4020,8 +3835,8 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ echo "$as_me:$LINENO: result: $CPP" >&5
-echo "${ECHO_T}$CPP" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
@@ -4031,11 +3846,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -4044,83 +3855,40 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-
 rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
-  :
+if $ac_preproc_ok; then :
+
 else
-  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&5
-echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -4130,45 +3898,40 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
-echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  # Extract the first word of "grep ggrep" to use in msg output
-if test -z "$GREP"; then
-set dummy grep ggrep; ac_prog_name=$2
-if test "${ac_cv_path_GREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
+  if test -z "$GREP"; then
   ac_path_GREP_found=false
-# Loop through the user's path and test for each of PROGNAME-LIST
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  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"
-    { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
-    # Check for GNU ac_path_GREP and select it if it is found.
+    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"
+      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+# Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
+  $as_echo_n 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    echo 'GREP' >> "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_GREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_GREP="$ac_path_GREP"
@@ -4180,77 +3943,61 @@ case `"$ac_path_GREP" --version 2>&1` in
   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 esac
 
-
-    $ac_path_GREP_found && break 3
+      $ac_path_GREP_found && break 3
+    done
+  done
   done
-done
-
-done
 IFS=$as_save_IFS
-
-
-fi
-
-GREP="$ac_cv_path_GREP"
-if test -z "$GREP"; then
-  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
 else
   ac_cv_path_GREP=$GREP
 fi
 
-
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
-echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ echo "$as_me:$LINENO: checking for egrep" >&5
-echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
-     # Extract the first word of "egrep" to use in msg output
-if test -z "$EGREP"; then
-set dummy egrep; ac_prog_name=$2
-if test "${ac_cv_path_EGREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
+     if test -z "$EGREP"; then
   ac_path_EGREP_found=false
-# Loop through the user's path and test for each of PROGNAME-LIST
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  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"
-    { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
-    # Check for GNU ac_path_EGREP and select it if it is found.
+    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"
+      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
+  $as_echo_n 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    echo 'EGREP' >> "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_EGREP="$ac_path_EGREP"
@@ -4262,46 +4009,31 @@ case `"$ac_path_EGREP" --version 2>&1` in
   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 esac
 
-
-    $ac_path_EGREP_found && break 3
+      $ac_path_EGREP_found && break 3
+    done
+  done
   done
-done
-
-done
 IFS=$as_save_IFS
-
-
-fi
-
-EGREP="$ac_cv_path_EGREP"
-if test -z "$EGREP"; then
-  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
 else
   ac_cv_path_EGREP=$EGREP
 fi
 
-
    fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
-echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5
-echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -4316,47 +4048,23 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_stdc=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_stdc=no
+  ac_cv_header_stdc=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -4366,18 +4074,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
+  $EGREP "free" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -4387,14 +4091,10 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ctype.h>
 #include <stdlib.h>
@@ -4421,136 +4121,32 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_run "$LINENO"; then :
 
-( exit $ac_status )
-ac_cv_header_stdc=no
+else
+  ac_cv_header_stdc=no
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-
 fi
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
-# Find a good install program.  We prefer a C program (faster),
-# so one script is as good as another.  But avoid the broken or
-# incompatible versions:
-# SysV /etc/install, /usr/sbin/install
-# SunOS /usr/etc/install
-# IRIX /sbin/install
-# AIX /bin/install
-# AmigaOS /C/install, which installs bootblocks on floppy discs
-# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
-# AFS /usr/afsws/bin/install, which mishandles nonexistent args
-# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
-# OS/2's system install, which has a completely different semantic
-# ./install, which can be erroneously created by make from ./install.sh.
-{ echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
-echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6; }
-if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in
-  ./ | .// | /cC/* | \
-  /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
-  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
-  /usr/ucb/* ) ;;
-  *)
-    # OSF1 and SCO ODT 3.0 have their own names for install.
-    # Don't use installbsd from OSF since it installs stuff as root
-    # by default.
-    for ac_prog in ginstall scoinst install; do
-      for ac_exec_ext in '' $ac_executable_extensions; do
-	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
-	  if test $ac_prog = install &&
-	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
-	    # AIX install.  It has an incompatible calling convention.
-	    :
-	  elif test $ac_prog = install &&
-	    grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
-	    # program-specific install script used by HP pwplus--don't use.
-	    :
-	  else
-	    ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
-	    break 3
-	  fi
-	fi
-      done
-    done
-    ;;
-esac
-done
-IFS=$as_save_IFS
-
 
-fi
-  if test "${ac_cv_path_install+set}" = set; then
-    INSTALL=$ac_cv_path_install
-  else
-    # As a last resort, use the slow shell script.  Don't cache a
-    # value for INSTALL within a source directory, because that will
-    # break other packages using the cache if that directory is
-    # removed, or if the value is a relative name.
-    INSTALL=$ac_install_sh
-  fi
-fi
-{ echo "$as_me:$LINENO: result: $INSTALL" >&5
-echo "${ECHO_T}$INSTALL" >&6; }
-
-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
-# It thinks the first close brace ends the variable substitution.
-test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
-
-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
-
-test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-
-{ echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
-echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6; }
-set x ${MAKE-make}; ac_make=`echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
+  $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
@@ -4567,17 +4163,17 @@ esac
 rm -f conftest.make
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
-  { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
   SET_MAKE=
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
-{ echo "$as_me:$LINENO: checking whether build environment is sane" >&5
-echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
+$as_echo_n "checking whether build environment is sane... " >&6; }
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -4599,11 +4195,8 @@ if (
       # if, for instance, CONFIG_SHELL is bash and it inherits a
       # broken ls alias from the environment.  This has actually
       # happened.  Such a system could not be considered "sane".
-      { { echo "$as_me:$LINENO: error: ls -t appears to fail.  Make sure there is not a broken
-alias in your environment" >&5
-echo "$as_me: error: ls -t appears to fail.  Make sure there is not a broken
-alias in your environment" >&2;}
-   { (exit 1); exit 1; }; }
+      as_fn_error "ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" "$LINENO" 5
    fi
 
    test "$2" = conftestfile
@@ -4612,27 +4205,24 @@ then
    # Ok.
    :
 else
-   { { echo "$as_me:$LINENO: error: newly created file is older than distributed files!
-Check your system clock" >&5
-echo "$as_me: error: newly created file is older than distributed files!
-Check your system clock" >&2;}
-   { (exit 1); exit 1; }; }
+   as_fn_error "newly created file is older than distributed files!
+Check your system clock" "$LINENO" 5
 fi
 rm -f conftest*
-{ echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 
-{ echo "$as_me:$LINENO: checking whether to enable maintainer-specific portions of Makefiles" >&5
-echo $ECHO_N "checking whether to enable maintainer-specific portions of Makefiles... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
     # Check whether --enable-maintainer-mode was given.
-if test "${enable_maintainer_mode+set}" = set; then
+if test "${enable_maintainer_mode+set}" = set; then :
   enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
 else
   USE_MAINTAINER_MODE=no
 fi
 
-  { echo "$as_me:$LINENO: result: $USE_MAINTAINER_MODE" >&5
-echo "${ECHO_T}$USE_MAINTAINER_MODE" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+$as_echo "$USE_MAINTAINER_MODE" >&6; }
 
 
 if test $USE_MAINTAINER_MODE = yes; then
@@ -4645,30 +4235,170 @@ fi
   MAINT=$MAINTAINER_MODE_TRUE
 
 
-{ echo "$as_me:$LINENO: checking if malloc debugging is wanted" >&5
-echo $ECHO_N "checking if malloc debugging is wanted... $ECHO_C" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if malloc debugging is wanted" >&5
+$as_echo_n "checking if malloc debugging is wanted... " >&6; }
 
 # Check whether --with-dmalloc was given.
-if test "${with_dmalloc+set}" = set; then
+if test "${with_dmalloc+set}" = set; then :
   withval=$with_dmalloc; if test "$withval" = yes; then
-  { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define WITH_DMALLOC 1
-_ACEOF
+$as_echo "#define WITH_DMALLOC 1" >>confdefs.h
 
   LIBS="$LIBS -ldmalloc"
   LDFLAGS="$LDFLAGS -g"
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cvSobel in -lcv" >&5
+$as_echo_n "checking for cvSobel in -lcv... " >&6; }
+if test "${ac_cv_lib_cv_cvSobel+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcv  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cvSobel ();
+int
+main ()
+{
+return cvSobel ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_cv_cvSobel=yes
+else
+  ac_cv_lib_cv_cvSobel=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cv_cvSobel" >&5
+$as_echo "$ac_cv_lib_cv_cvSobel" >&6; }
+if test "x$ac_cv_lib_cv_cvSobel" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBCV 1
+_ACEOF
+
+  LIBS="-lcv $LIBS"
+
+else
+  as_fn_error "you need to install opencv library (libcv)" "$LINENO" 5
 fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cvNamedWindow in -lhighgui" >&5
+$as_echo_n "checking for cvNamedWindow in -lhighgui... " >&6; }
+if test "${ac_cv_lib_highgui_cvNamedWindow+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
-  { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lhighgui  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cvNamedWindow ();
+int
+main ()
+{
+return cvNamedWindow ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_highgui_cvNamedWindow=yes
+else
+  ac_cv_lib_highgui_cvNamedWindow=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_highgui_cvNamedWindow" >&5
+$as_echo "$ac_cv_lib_highgui_cvNamedWindow" >&6; }
+if test "x$ac_cv_lib_highgui_cvNamedWindow" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBHIGHGUI 1
+_ACEOF
 
+  LIBS="-lhighgui $LIBS"
+
+else
+  as_fn_error "you need to install high gui library (libhighgui)" "$LINENO" 5
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cvSegmentImage in -lcvaux" >&5
+$as_echo_n "checking for cvSegmentImage in -lcvaux... " >&6; }
+if test "${ac_cv_lib_cvaux_cvSegmentImage+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcvaux  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cvSegmentImage ();
+int
+main ()
+{
+return cvSegmentImage ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_cvaux_cvSegmentImage=yes
+else
+  ac_cv_lib_cvaux_cvSegmentImage=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cvaux_cvSegmentImage" >&5
+$as_echo "$ac_cv_lib_cvaux_cvSegmentImage" >&6; }
+if test "x$ac_cv_lib_cvaux_cvSegmentImage" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBCVAUX 1
+_ACEOF
+
+  LIBS="-lcvaux $LIBS"
+
+else
+  as_fn_error "you need to install opencv auxiliary library (libcvaux) " "$LINENO" 5
+fi
 
 
 echo -n "looking for pd sources (required) ... "
@@ -4691,18 +4421,14 @@ else
   exit -1
 fi
 
-{ echo "$as_me:$LINENO: checking for cvExtractSURF in -lcv" >&5
-echo $ECHO_N "checking for cvExtractSURF in -lcv... $ECHO_C" >&6; }
-if test "${ac_cv_lib_cv_cvExtractSURF+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cvExtractSURF in -lcv" >&5
+$as_echo_n "checking for cvExtractSURF in -lcv... " >&6; }
+if test "${ac_cv_lib_cv_cvExtractSURF+set}" = set; then :
+  $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcv -L/usr/local/lib $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -4720,39 +4446,18 @@ return cvExtractSURF ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_cv_cvExtractSURF=yes
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_cv_cvExtractSURF=no
+  ac_cv_lib_cv_cvExtractSURF=no
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_cv_cvExtractSURF" >&5
-echo "${ECHO_T}$ac_cv_lib_cv_cvExtractSURF" >&6; }
-if test $ac_cv_lib_cv_cvExtractSURF = yes; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cv_cvExtractSURF" >&5
+$as_echo "$ac_cv_lib_cv_cvExtractSURF" >&6; }
+if test "x$ac_cv_lib_cv_cvExtractSURF" = x""yes; then :
   SOURCES_OPT="pix_opencv_surf.cc"
 fi
 
@@ -4791,12 +4496,13 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
-echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      *) $as_unset $ac_var ;;
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
       esac ;;
     esac
   done
@@ -4804,8 +4510,8 @@ echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes (double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \).
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
@@ -4828,12 +4534,12 @@ echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
     test "x$cache_file" != "x/dev/null" &&
-      { echo "$as_me:$LINENO: updating cache $cache_file" >&5
-echo "$as_me: updating cache $cache_file" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
     cat confcache >$cache_file
   else
-    { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
-echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -4850,6 +4556,12 @@ test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
 # take arguments), then branch to the quote section.  Otherwise,
 # look for a macro that doesn't take arguments.
 ac_script='
+:mline
+/\\$/{
+ N
+ s,\\\n,,
+ b mline
+}
 t clear
 :clear
 s/^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 (][^	 (]*([^)]*)\)[	 ]*\(.*\)/-D\1=\2/g
@@ -4879,11 +4591,11 @@ ac_ltlibobjs=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`echo "$ac_i" | sed "$ac_script"`
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
-  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -4892,11 +4604,13 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 : ${CONFIG_STATUS=./config.status}
+ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
-echo "$as_me: creating $CONFIG_STATUS" >&6;}
-cat >$CONFIG_STATUS <<_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -4906,59 +4620,79 @@ cat >$CONFIG_STATUS <<_ACEOF
 debug=false
 ac_cs_recheck=false
 ac_cs_silent=false
-SHELL=\${CONFIG_SHELL-$SHELL}
-_ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
 esac
-
 fi
 
 
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  echo "#! /bin/sh" >conf$$.sh
-  echo  "exit 0"   >>conf$$.sh
-  chmod +x conf$$.sh
-  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
-    PATH_SEPARATOR=';'
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
   else
-    PATH_SEPARATOR=:
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
   fi
-  rm -f conf$$.sh
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
 fi
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
 fi
 
 
@@ -4967,20 +4701,18 @@ fi
 # 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"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
+case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
 IFS=$as_save_IFS
 
      ;;
@@ -4991,32 +4723,111 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
 fi
 
-# Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
 done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-for as_var in \
-  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
-  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
-  LC_TELEPHONE LC_TIME
-do
-  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
-    eval $as_var=C; export $as_var
-  else
-    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with status $?, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-done
+  $as_echo "$as_me: error: $1" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
 
-# Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -5030,13 +4841,17 @@ else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-echo X/"$0" |
+$as_echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -5051,104 +4866,103 @@ echo X/"$0" |
 	  }
 	  s/.*/./; q'`
 
-# CDPATH.
-$as_unset CDPATH
-
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
+case `echo -n x` in #(((((
 -n*)
-  case `echo 'x\c'` in
+  case `echo 'xy\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
   esac;;
 *)
   ECHO_N='-n';;
 esac
 
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
 else
   rm -f conf$$.dir
-  mkdir conf$$.dir
-fi
-echo >conf$$.file
-if ln -s conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s='ln -s'
-  # ... but there are two gotchas:
-  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-  # In both cases, we have to default to `cp -p'.
-  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -p'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -p'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
     as_ln_s='cp -p'
-elif ln conf$$.file conf$$ 2>/dev/null; then
-  as_ln_s=ln
+  fi
 else
   as_ln_s='cp -p'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
 
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
@@ -5165,12 +4979,12 @@ else
   as_test_x='
     eval sh -c '\''
       if test -d "$1"; then
-        test -d "$1/.";
+	test -d "$1/.";
       else
-	case $1 in
-        -*)set "./$1";;
+	case $1 in #(
+	-*)set "./$1";;
 	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
 	???[sx]*):;;*)false;;esac;fi
     '\'' sh
   '
@@ -5185,13 +4999,19 @@ as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
 exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
 
-# Save the log message, to keep $[0] and so on meaningful, and to
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.61.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -5204,51 +5024,61 @@ on `(hostname || uname -n) 2>/dev/null | sed 1q`
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<_ACEOF
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
+
+
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 # Files that config.status was made for.
 config_files="$ac_config_files"
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files from templates according to the
-current configuration.
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
 
-Usage: $0 [OPTIONS] [FILE]...
+Usage: $0 [OPTION]... [TAG]...
 
   -h, --help       print this help, then exit
   -V, --version    print version number and configuration settings, then exit
-  -q, --quiet      do not print progress messages
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
   -d, --debug      don't remove temporary files
       --recheck    update $as_me by reconfiguring in the same conditions
-  --file=FILE[:TEMPLATE]
-		   instantiate the configuration file FILE
+      --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
 
 Configuration files:
 $config_files
 
-Report bugs to <bug-autoconf@gnu.org>."
+Report bugs to the package provider."
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.61,
-  with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+configured by $0, generated by GNU Autoconf 2.65,
+  with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2006 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
 ac_pwd='$ac_pwd'
 srcdir='$srcdir'
 INSTALL='$INSTALL'
+test -n "\$AWK" || AWK=awk
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
-# If no file are specified by the user, then we need to provide default
-# value.  By we need to know if files were specified by the user.
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
 ac_need_defaults=:
 while test $# != 0
 do
@@ -5270,25 +5100,29 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    echo "$ac_cs_version"; exit ;;
+    $as_echo "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    $as_echo "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
-    CONFIG_FILES="$CONFIG_FILES $ac_optarg"
+    case $ac_optarg in
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
   --he | --h |  --help | --hel | -h )
-    echo "$ac_cs_usage"; exit ;;
+    $as_echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) { echo "$as_me: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; } ;;
+  -*) as_fn_error "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
 
-  *) ac_config_targets="$ac_config_targets $1"
+  *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
 
   esac
@@ -5303,30 +5137,32 @@ if $ac_cs_silent; then
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  echo "running CONFIG_SHELL=$SHELL $SHELL $0 "$ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
-  CONFIG_SHELL=$SHELL
+  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
   export CONFIG_SHELL
-  exec $SHELL "$0"$ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  exec "\$@"
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 exec 5>>config.log
 {
   echo
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  echo "$ac_log"
+  $as_echo "$ac_log"
 } >&5
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 
 # Handling of arguments.
 for ac_config_target in $ac_config_targets
@@ -5334,9 +5170,7 @@ do
   case $ac_config_target in
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
 
-  *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
-echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
-   { (exit 1); exit 1; }; };;
+  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -5361,7 +5195,7 @@ $debug ||
   trap 'exit_status=$?
   { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
 ' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
+  trap 'as_fn_exit 1' 1 2 13 15
 }
 # Create a (secure) tmp directory for tmp files.
 
@@ -5372,142 +5206,140 @@ $debug ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} ||
-{
-   echo "$me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
-}
+} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
 
-#
-# Set up the sed scripts for CONFIG_FILES section.
-#
-
-# No need to generate the scripts if there are no CONFIG_FILES.
-# This happens for instance when ./config.status config.h
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
 if test -n "$CONFIG_FILES"; then
 
-_ACEOF
 
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+  ac_cs_awk_cr='\r'
+else
+  ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
+_ACEOF
 
 
+{
+  echo "cat >conf$$subs.awk <<_ACEOF" &&
+  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+  echo "_ACEOF"
+} >conf$$subs.sh ||
+  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
-  cat >conf$$subs.sed <<_ACEOF
-SHELL!$SHELL$ac_delim
-PATH_SEPARATOR!$PATH_SEPARATOR$ac_delim
-PACKAGE_NAME!$PACKAGE_NAME$ac_delim
-PACKAGE_TARNAME!$PACKAGE_TARNAME$ac_delim
-PACKAGE_VERSION!$PACKAGE_VERSION$ac_delim
-PACKAGE_STRING!$PACKAGE_STRING$ac_delim
-PACKAGE_BUGREPORT!$PACKAGE_BUGREPORT$ac_delim
-exec_prefix!$exec_prefix$ac_delim
-prefix!$prefix$ac_delim
-program_transform_name!$program_transform_name$ac_delim
-bindir!$bindir$ac_delim
-sbindir!$sbindir$ac_delim
-libexecdir!$libexecdir$ac_delim
-datarootdir!$datarootdir$ac_delim
-datadir!$datadir$ac_delim
-sysconfdir!$sysconfdir$ac_delim
-sharedstatedir!$sharedstatedir$ac_delim
-localstatedir!$localstatedir$ac_delim
-includedir!$includedir$ac_delim
-oldincludedir!$oldincludedir$ac_delim
-docdir!$docdir$ac_delim
-infodir!$infodir$ac_delim
-htmldir!$htmldir$ac_delim
-dvidir!$dvidir$ac_delim
-pdfdir!$pdfdir$ac_delim
-psdir!$psdir$ac_delim
-libdir!$libdir$ac_delim
-localedir!$localedir$ac_delim
-mandir!$mandir$ac_delim
-DEFS!$DEFS$ac_delim
-ECHO_C!$ECHO_C$ac_delim
-ECHO_N!$ECHO_N$ac_delim
-ECHO_T!$ECHO_T$ac_delim
-LIBS!$LIBS$ac_delim
-build_alias!$build_alias$ac_delim
-host_alias!$host_alias$ac_delim
-target_alias!$target_alias$ac_delim
-build!$build$ac_delim
-build_cpu!$build_cpu$ac_delim
-build_vendor!$build_vendor$ac_delim
-build_os!$build_os$ac_delim
-host!$host$ac_delim
-host_cpu!$host_cpu$ac_delim
-host_vendor!$host_vendor$ac_delim
-host_os!$host_os$ac_delim
-INSTALL_PROGRAM!$INSTALL_PROGRAM$ac_delim
-INSTALL_SCRIPT!$INSTALL_SCRIPT$ac_delim
-INSTALL_DATA!$INSTALL_DATA$ac_delim
-PACKAGE!$PACKAGE$ac_delim
-VERSION!$VERSION$ac_delim
-ACLOCAL!$ACLOCAL$ac_delim
-AUTOCONF!$AUTOCONF$ac_delim
-AUTOMAKE!$AUTOMAKE$ac_delim
-AUTOHEADER!$AUTOHEADER$ac_delim
-MAKEINFO!$MAKEINFO$ac_delim
-SET_MAKE!$SET_MAKE$ac_delim
-CC!$CC$ac_delim
-CFLAGS!$CFLAGS$ac_delim
-LDFLAGS!$LDFLAGS$ac_delim
-CPPFLAGS!$CPPFLAGS$ac_delim
-ac_ct_CC!$ac_ct_CC$ac_delim
-EXEEXT!$EXEEXT$ac_delim
-OBJEXT!$OBJEXT$ac_delim
-CPP!$CPP$ac_delim
-GREP!$GREP$ac_delim
-EGREP!$EGREP$ac_delim
-MAINTAINER_MODE_TRUE!$MAINTAINER_MODE_TRUE$ac_delim
-MAINTAINER_MODE_FALSE!$MAINTAINER_MODE_FALSE$ac_delim
-MAINT!$MAINT$ac_delim
-PD_DIR!$PD_DIR$ac_delim
-GEM_DIR!$GEM_DIR$ac_delim
-GEM_OPENCV_VERSION!$GEM_OPENCV_VERSION$ac_delim
-SOURCES_OPT!$SOURCES_OPT$ac_delim
-LIBOBJS!$LIBOBJS$ac_delim
-LTLIBOBJS!$LTLIBOBJS$ac_delim
-_ACEOF
+  . ./conf$$subs.sh ||
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 75; then
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
 done
+rm -f conf$$subs.sh
 
-ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
-if test -n "$ac_eof"; then
-  ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
-  ac_eof=`expr $ac_eof + 1`
-fi
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\)..*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\)..*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+  N
+  s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
 
-cat >>$CONFIG_STATUS <<_ACEOF
-cat >"\$tmp/subs-1.sed" <<\CEOF$ac_eof
-/@[a-zA-Z_][a-zA-Z_0-9]*@/!b end
+_ACAWK
 _ACEOF
-sed '
-s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
-s/^/s,@/; s/!/@,|#_!!_#|/
-:n
-t n
-s/'"$ac_delim"'$/,g/; t
-s/$/\\/; p
-N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
-' >>$CONFIG_STATUS <conf$$subs.sed
-rm -f conf$$subs.sed
-cat >>$CONFIG_STATUS <<_ACEOF
-:end
-s/|#_!!_#|//g
-CEOF$ac_eof
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+  cat
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+  || as_fn_error "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-
 # VPATH may cause trouble with some makes, so we remove $(srcdir),
 # ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
@@ -5523,20 +5355,20 @@ s/^[^=]*=[	 ]*$//
 }'
 fi
 
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 fi # test -n "$CONFIG_FILES"
 
 
-for ac_tag in  :F $CONFIG_FILES
+eval set X "  :F $CONFIG_FILES      "
+shift
+for ac_tag
 do
   case $ac_tag in
   :[FHLC]) ac_mode=$ac_tag; continue;;
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
-echo "$as_me: error: Invalid tag $ac_tag." >&2;}
-   { (exit 1); exit 1; }; };;
+  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -5564,26 +5396,34 @@ echo "$as_me: error: Invalid tag $ac_tag." >&2;}
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   { { echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
-echo "$as_me: error: cannot find input file: $ac_f" >&2;}
-   { (exit 1); exit 1; }; };;
+	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
-      ac_file_inputs="$ac_file_inputs $ac_f"
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      as_fn_append ac_file_inputs " '$ac_f'"
     done
 
     # Let's still pretend it is `configure' which instantiates (i.e., don't
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
-    configure_input="Generated from "`IFS=:
-	  echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure."
+    configure_input='Generated from '`
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
     fi
+    # Neutralize special characters interpreted by sed in replacement strings.
+    case $configure_input in #(
+    *\&* | *\|* | *\\* )
+       ac_sed_conf_input=`$as_echo "$configure_input" |
+       sed 's/[\\\\&|]/\\\\&/g'`;; #(
+    *) ac_sed_conf_input=$configure_input;;
+    esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin";;
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -5593,42 +5433,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-  { as_dir="$ac_dir"
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-echo X"$as_dir" |
+$as_echo X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -5646,20 +5451,15 @@ echo X"$as_dir" |
 	    q
 	  }
 	  s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
-echo "$as_me: error: cannot create directory $as_dir" >&2;}
-   { (exit 1); exit 1; }; }; }
+  as_dir="$ac_dir"; as_fn_mkdir_p
   ac_builddir=.
 
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -5699,12 +5499,12 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
   esac
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # If the template does not know about datarootdir, expand it.
 # FIXME: This hack should be removed a few years after 2.60.
 ac_datarootdir_hack=; ac_datarootdir_seen=
-
-case `sed -n '/datarootdir/ {
+ac_sed_dataroot='
+/datarootdir/ {
   p
   q
 }
@@ -5712,36 +5512,37 @@ case `sed -n '/datarootdir/ {
 /@docdir@/p
 /@infodir@/p
 /@localedir@/p
-/@mandir@/p
-' $ac_file_inputs` in
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   ac_datarootdir_hack='
   s&@datadir@&$datadir&g
   s&@docdir@&$docdir&g
   s&@infodir@&$infodir&g
   s&@localedir@&$localedir&g
   s&@mandir@&$mandir&g
-    s&\\\${datarootdir}&$datarootdir&g' ;;
+  s&\\\${datarootdir}&$datarootdir&g' ;;
 esac
 _ACEOF
 
 # Neutralize VPATH when `$srcdir' = `.'.
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
-cat >>$CONFIG_STATUS <<_ACEOF
-  sed "$ac_vpsub
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
 $extrasub
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s&@configure_input@&$configure_input&;t t
+s|@configure_input@|$ac_sed_conf_input|;t t
 s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
 s&@srcdir@&$ac_srcdir&;t t
 s&@abs_srcdir@&$ac_abs_srcdir&;t t
 s&@top_srcdir@&$ac_top_srcdir&;t t
@@ -5751,21 +5552,24 @@ s&@abs_builddir@&$ac_abs_builddir&;t t
 s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
-" $ac_file_inputs | sed -f "$tmp/subs-1.sed" >$tmp/out
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
-  { echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined." >&5
-echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined." >&2;}
 
   rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out"; rm -f "$tmp/out";;
-  *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;;
-  esac
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  esac \
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
  ;;
 
 
@@ -5775,11 +5579,13 @@ which seems to be undefined.  Please make sure it is defined." >&2;}
 done # for ac_tag
 
 
-{ (exit 0); exit 0; }
+as_fn_exit 0
 _ACEOF
-chmod +x $CONFIG_STATUS
 ac_clean_files=$ac_clean_files_save
 
+test $ac_write_fail = 0 ||
+  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
 
 # configure is writing to config.log, and then calls config.status.
 # config.status does its own redirection, appending to config.log.
@@ -5799,6 +5605,10 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || { (exit 1); exit 1; }
+  $ac_cs_success || as_fn_exit $?
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
diff --git a/configure.ac b/configure.ac
index 00ef9d7..17780cc 100755
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,10 @@ AM_SANITY_CHECK
 AM_MAINTAINER_MODE
 AM_WITH_DMALLOC
 
+AC_CHECK_LIB(cv, cvSobel, , AC_MSG_ERROR(you need to install opencv library (libcv)))
+AC_CHECK_LIB(highgui, cvNamedWindow, , AC_MSG_ERROR(you need to install high gui library (libhighgui)))
+AC_CHECK_LIB(cvaux, cvSegmentImage, , AC_MSG_ERROR(you need to install opencv auxiliary library (libcvaux) ))
+
 echo -n "looking for pd sources (required) ... "
 if test -f $PD_DIR/src/m_pd.h
 then