Regenerate configure with sanctioned autoconf version.

2 files changed, 3848 insertions, 2687 deletions

diff --git a/configure b/configure
index 78e6ac69..6445f5a5 100755
--- a/configure
+++ b/configure
@@ -1,83 +1,58 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for KLEE 0.01.
+# Generated by GNU Autoconf 2.60 for KLEE 0.01.
 #
 # Report bugs to <daniel@minormatter.com>.
 #
-#
-# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
-#
-#
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006 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 "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+# Be Bourne compatible
+if test -n "${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
+  # 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
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
 fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
 
 
-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'
+# 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=';'
   else
-    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'
+    PATH_SEPARATOR=:
   fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
+  rm -f conf$$.sh
 fi
 
-# 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=';'
-  }
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
 fi
 
 
@@ -86,19 +61,20 @@ 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.
-as_myself=
-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
 
      ;;
@@ -109,367 +85,352 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
 fi
 
-# 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 $as_var || :
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
 done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
+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'`
 
 # CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-# Use a proper internal environment variable to ensure we don't fall
-  # into an infinite loop, continuously re-executing ourselves.
-  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
-    _as_can_reexec=no; export _as_can_reexec;
-    # 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.
-# Preserve -v and -x to the replacement shell.
-BASH_ENV=/dev/null
-ENV=/dev/null
-(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-case $- in # ((((
-  *v*x* | *x*v* ) as_opts=-vx ;;
-  *v* ) as_opts=-v ;;
-  *x* ) as_opts=-x ;;
-  * ) as_opts= ;;
-esac
-exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
-# Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-as_fn_exit 255
-  fi
-  # We don't want this to propagate to other subprocesses.
-          { _as_can_reexec=; unset _as_can_reexec;}
+$as_unset CDPATH
+
+
 if test "x$CONFIG_SHELL" = x; then
-  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
+  if (eval ":") 2>/dev/null; then
+  as_have_required=yes
 else
-  case \`(set -o) 2>/dev/null\` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
-esac
+  as_have_required=no
 fi
-"
-  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; }
+
+  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
+}
 
 exitcode=0
-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
-test -x / || 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 "$as_required") 2>/dev/null; then :
-  as_have_required=yes
+if as_func_success; then
+  :
 else
-  as_have_required=no
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
 fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
 
+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
+  :
 else
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-as_found=false
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=\$LINENO
+  as_lineno_2=\$LINENO
+  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
+  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
+") 2> /dev/null; then
+  :
+else
+  as_candidate_shells=
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /usr/bin/posix$PATH_SEPARATOR/bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  as_found=:
-  case $as_dir in #(
+  case $as_dir in
 	 /*)
 	   for as_base in sh bash ksh sh5; do
-	     # Try only shells that exist, to save several forks.
-	     as_shell=$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
+	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
 	   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
 
 
-      if test "x$CONFIG_SHELL" != x; then :
-  export CONFIG_SHELL
-             # 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.
-# Preserve -v and -x to the replacement shell.
-BASH_ENV=/dev/null
-ENV=/dev/null
-(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-case $- in # ((((
-  *v*x* | *x*v* ) as_opts=-vx ;;
-  *v* ) as_opts=-v ;;
-  *x* ) as_opts=-x ;;
-  * ) as_opts= ;;
-esac
-exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
-# Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-exit 255
-fi
-
-    if test x$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 and
-$0: daniel@minormatter.com about your system, including any
-$0: error possibly output before this message. Then install
-$0: a modern shell, or manually run the script under such a
-$0: shell if you do have one."
-  fi
-  exit 1
-fi
+      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
+# Be Bourne compatible
+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 '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
 fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+:
+_ASEOF
+}; then
+  CONFIG_SHELL=$as_shell
+	       as_have_required=yes
+	       if { "$as_shell" 2> /dev/null <<\_ASEOF
+# Be Bourne compatible
+if test -n "${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 '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
 fi
-SHELL=${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
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
 
-## --------------------- ##
-## M4sh Shell Functions. ##
-## --------------------- ##
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
+:
+(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_unset=as_fn_unset
-
-# 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 $1
-} # as_fn_exit
-
-# as_fn_mkdir_p
-# -------------
-# Create "$as_dir" as a directory, including parents if necessary.
-as_fn_mkdir_p ()
-{
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
 
-  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"
+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
 
-} # as_fn_mkdir_p
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
 
-# as_fn_executable_p FILE
-# -----------------------
-# Test if FILE is an executable regular file.
-as_fn_executable_p ()
-{
-  test -f "$1" && test -x "$1"
-} # as_fn_executable_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
-  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 $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
+if ( set x; as_func_ret_success y && test x = "$1" ); then
+  :
 else
-  as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  }
-fi # as_fn_arith
+  exitcode=1
+  echo positional parameters were not saved.
+fi
 
+test $exitcode = 0) || { (exit 1); exit 1; }
 
-# as_fn_error STATUS 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=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
-  fi
-  $as_echo "$as_me: error: $2" >&2
-  as_fn_exit $as_status
-} # as_fn_error
+(
+  as_lineno_1=$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; }
 
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
+_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
+
+
+
+(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
+}
+
+exitcode=0
+if as_func_success; then
+  :
 else
-  as_expr=false
+  exitcode=1
+  echo as_func_success failed.
 fi
 
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
 else
-  as_basename=false
+  exitcode=1
+  echo as_func_ret_success failed.
 fi
 
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
+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
+  :
 else
-  as_dirname=false
+  exitcode=1
+  echo positional parameters were not saved.
 fi
 
-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'`
+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
+}
+
 
-# 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" || {
 
-  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.  :-)
+  # 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/=
@@ -486,12 +447,9 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
 
-  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
-  # already done that, so ensure we don't try to do so again and fall
-  # in an infinite loop.  This has already happened in practice.
-  _as_can_reexec=no; export _as_can_reexec
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
   # original and so on.  Autoconf is especially sensitive to this).
@@ -500,55 +458,75 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   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 'xy\c'` in
+  case `echo 'x\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
+  *)   ECHO_C='\c';;
   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 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -pR'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
-    as_ln_s='cp -pR'
-  fi
-else
-  as_ln_s='cp -pR'
+  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$$.exe ||
+    as_ln_s='cp -p'
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
+else
+  as_ln_s='cp -p'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
 
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p='mkdir -p "$as_dir"'
+  as_mkdir_p=:
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
 
-as_test_x='test -x'
-as_executable_p=as_fn_executable_p
+# Find out whether ``test -x'' works.  Don't use a zero-byte file, as
+# systems may use methods other than mode bits to determine executability.
+cat >conf$$.file <<_ASEOF
+#! /bin/sh
+exit 0
+_ASEOF
+chmod +x conf$$.file
+if test -x conf$$.file >/dev/null 2>&1; then
+  as_executable_p="test -x"
+else
+  as_executable_p=:
+fi
+rm -f conf$$.file
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -557,11 +535,11 @@ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
-test -n "$DJDIR" || exec 7<&0 </dev/null
-exec 6>&1
+
+exec 7<&0 </dev/null 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -576,6 +554,7 @@ cross_compiling=no
 subdirs=
 MFLAGS=
 MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Identity of this package.
 PACKAGE_NAME='KLEE'
@@ -583,159 +562,142 @@ PACKAGE_TARNAME='-klee-'
 PACKAGE_VERSION='0.01'
 PACKAGE_STRING='KLEE 0.01'
 PACKAGE_BUGREPORT='daniel@minormatter.com'
-PACKAGE_URL=''
 
 ac_unique_file=""Makefile.config.in""
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
-#ifdef HAVE_SYS_TYPES_H
+#if HAVE_SYS_TYPES_H
 # include <sys/types.h>
 #endif
-#ifdef HAVE_SYS_STAT_H
+#if HAVE_SYS_STAT_H
 # include <sys/stat.h>
 #endif
-#ifdef STDC_HEADERS
+#if STDC_HEADERS
 # include <stdlib.h>
 # include <stddef.h>
 #else
-# ifdef HAVE_STDLIB_H
+# if HAVE_STDLIB_H
 #  include <stdlib.h>
 # endif
 #endif
-#ifdef HAVE_STRING_H
-# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#if HAVE_STRING_H
+# if !STDC_HEADERS && HAVE_MEMORY_H
 #  include <memory.h>
 # endif
 # include <string.h>
 #endif
-#ifdef HAVE_STRINGS_H
+#if HAVE_STRINGS_H
 # include <strings.h>
 #endif
-#ifdef HAVE_INTTYPES_H
+#if HAVE_INTTYPES_H
 # include <inttypes.h>
 #endif
-#ifdef HAVE_STDINT_H
+#if HAVE_STDINT_H
 # include <stdint.h>
 #endif
-#ifdef HAVE_UNISTD_H
+#if HAVE_UNISTD_H
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='LTLIBOBJS
-LIBOBJS
-METASMT_ROOT
-ENABLE_METASMT
-STP_ROOT
-STP_NEEDS_BOOST
-UPSTREAM_STP_LINK_FLAGS
-CXXCPP
-ac_ct_CXX
-CXXFLAGS
-CXX
-HAVE_SELINUX
-EGREP
-GREP
-CPP
-OBJEXT
-EXEEXT
-ac_ct_CC
-CPPFLAGS
-LDFLAGS
-CFLAGS
-CC
-RUNTIME_CONFIGURATION
-RUNTIME_DEBUG_SYMBOLS
-RUNTIME_DISABLE_ASSERTIONS
-RUNTIME_ENABLE_OPTIMIZED
-ENABLE_POSIX_RUNTIME
-KLEE_UCLIBC_BCA
-ENABLE_UCLIBC
-KLEE_BITCODE_CXX_COMPILER
-KLEE_BITCODE_C_COMPILER
-clang_cxx
-clang
-llvm_gxx
-llvm_gcc
-LLVM_BUILD_MODE
-REQUIRES_RTTI
-LLVM_IS_RELEASE
-LLVM_VERSION_MINOR
-LLVM_VERSION_MAJOR
-target_os
-target_vendor
-target_cpu
-target
-host_os
-host_vendor
-host_cpu
-host
-build_os
-build_vendor
-build_cpu
-build
-LLVM_OBJ
-LLVM_SRC
-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
+ac_subst_vars='SHELL
 PATH_SEPARATOR
-SHELL'
+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
+LLVM_SRC
+LLVM_OBJ
+build
+build_cpu
+build_vendor
+build_os
+host
+host_cpu
+host_vendor
+host_os
+target
+target_cpu
+target_vendor
+target_os
+LLVM_VERSION_MAJOR
+LLVM_VERSION_MINOR
+LLVM_IS_RELEASE
+REQUIRES_RTTI
+LLVM_BUILD_MODE
+llvm_gcc
+llvm_gxx
+clang
+clang_cxx
+KLEE_BITCODE_C_COMPILER
+KLEE_BITCODE_CXX_COMPILER
+ENABLE_UCLIBC
+KLEE_UCLIBC_BCA
+ENABLE_POSIX_RUNTIME
+RUNTIME_ENABLE_OPTIMIZED
+RUNTIME_DISABLE_ASSERTIONS
+RUNTIME_DEBUG_SYMBOLS
+RUNTIME_CONFIGURATION
+CC
+CFLAGS
+LDFLAGS
+CPPFLAGS
+ac_ct_CC
+EXEEXT
+OBJEXT
+CPP
+GREP
+EGREP
+HAVE_SELINUX
+CXX
+CXXFLAGS
+ac_ct_CXX
+CXXCPP
+UPSTREAM_STP_LINK_FLAGS
+STP_NEEDS_BOOST
+STP_ROOT
+ENABLE_METASMT
+METASMT_ROOT
+LIBOBJS
+LTLIBOBJS'
 ac_subst_files=''
-ac_user_opts='
-enable_option_checking
-with_llvmsrc
-with_llvmobj
-with_llvm
-with_llvm_build_mode
-with_llvmcc
-with_llvmcxx
-with_uclibc
-enable_posix_runtime
-with_runtime
-with_stp
-with_metasmt
-'
       ac_precious_vars='build_alias
 host_alias
 target_alias
 CC
 CFLAGS
 LDFLAGS
-LIBS
 CPPFLAGS
 CPP
 CXX
@@ -747,8 +709,6 @@ CXXCPP'
 # 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
@@ -804,9 +764,8 @@ do
   fi
 
   case $ac_option in
-  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *=)   ac_optarg= ;;
-  *)    ac_optarg=yes ;;
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -848,20 +807,13 @@ do
     datarootdir=$ac_optarg ;;
 
   -disable-* | --disable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    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 ;;
+    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 ;;
 
   -docdir | --docdir | --docdi | --doc | --do)
     ac_prev=docdir ;;
@@ -874,20 +826,13 @@ do
     dvidir=$ac_optarg ;;
 
   -enable-* | --enable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    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 ;;
+    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 ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -1078,36 +1023,22 @@ do
     ac_init_version=: ;;
 
   -with-* | --with-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    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 ;;
+    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 ;;
 
   -without-* | --without-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    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 ;;
+    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 ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -1127,26 +1058,26 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information"
+  -*) { echo "$as_me: error: unrecognized option: $ac_option
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; }
     ;;
 
   *=*)
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    case $ac_envvar in #(
-      '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
-    esac
+    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+   { (exit 1); exit 1; }; }
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
   esac
@@ -1154,36 +1085,23 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  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: $ac_unrecognized_opts" >&2 ;;
-  esac
+  { echo "$as_me: error: missing argument to $ac_option" >&2
+   { (exit 1); exit 1; }; }
 fi
 
-# Check all directory arguments for consistency.
+# Be sure to have absolute directory names.
 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
-  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
+  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; }
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1197,6 +1115,8 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
+    echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1211,21 +1131,23 @@ test "$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 .` ||
-  as_fn_error $? "working directory cannot be determined"
+  { echo "$as_me: error: Working directory cannot be determined" >&2
+   { (exit 1); exit 1; }; }
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error $? "pwd does not report name of working directory"
+  { echo "$as_me: error: pwd does not report name of working directory" >&2
+   { (exit 1); exit 1; }; }
 
 
 # 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 -- "$as_myself" ||
-$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" |
+  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" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1252,11 +1174,13 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+  { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+   { (exit 1); exit 1; }; }
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
+	cd "$srcdir" && test -r "./$ac_unique_file" || { echo "$as_me: error: $ac_msg" >&2
+   { (exit 1); exit 1; }; }
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1296,7 +1220,7 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking ...' messages
+  -q, --quiet, --silent   do not print \`checking...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -1304,9 +1228,9 @@ 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
@@ -1316,25 +1240,25 @@ 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/-klee-]
-  --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/-klee-]
+  --htmldir=DIR          html documentation [DOCDIR]
+  --dvidir=DIR           dvi documentation [DOCDIR]
+  --pdfdir=DIR           pdf documentation [DOCDIR]
+  --psdir=DIR            ps documentation [DOCDIR]
 _ACEOF
 
   cat <<\_ACEOF
@@ -1353,7 +1277,6 @@ 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-posix-runtime  Enable the POSIX runtime
@@ -1375,7 +1298,7 @@ Optional Packages:
   --with-uclibc           Enable use of the klee uclibc at the given path
                           (klee-uclibc root directory or libc.a file
   --with-runtime          Select build configuration for runtime libraries
-                          (default [Release+Asserts])
+                          (default Release+Asserts)
   --with-stp              Location of STP installation directory
   --with-metasmt          Location of metaSMT installation directory
 
@@ -1384,8 +1307,7 @@ Some influential environment variables:
   CFLAGS      C compiler flags
   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    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
   CXX         C++ compiler command
@@ -1403,17 +1325,15 @@ 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 "$ac_dir" ||
-      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
-      continue
+    test -d "$ac_dir" || continue
     ac_builddir=.
 
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`echo "$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/ ;;
@@ -1449,7 +1369,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1459,521 +1379,21 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 KLEE configure 0.01
-generated by GNU Autoconf 2.69
+generated by GNU Autoconf 2.60
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006 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; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_compile
-
-# ac_fn_c_try_cpp LINENO
-# ----------------------
-# Try to preprocess conftest.$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 $ac_status = 0; } > conftest.i && {
-	 test -z "$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; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_cpp
-
-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_c_check_header_mongrel ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval \${$3+:} false; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_header_compiler=yes
-else
-  ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <$2>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-  ac_header_preproc=yes
-else
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
-  yes:no: )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( $as_echo "## ------------------------------------- ##
-## Report this to daniel@minormatter.com ##
-## ------------------------------------- ##"
-     ) | sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  eval "$3=\$ac_header_compiler"
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_header_mongrel
-
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$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; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_run
-
-# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_header_compile
-
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$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 ||
-	 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; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
-
-# ac_fn_cxx_try_compile LINENO
-# ----------------------------
-# Try to compile conftest.$ac_ext, and return whether this succeeded.
-ac_fn_cxx_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_cxx_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; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_cxx_try_compile
-
-# ac_fn_cxx_try_cpp LINENO
-# ------------------------
-# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
-ac_fn_cxx_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 $ac_status = 0; } > conftest.i && {
-	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_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; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_cxx_try_cpp
-
-# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES
-# ---------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_cxx_check_header_mongrel ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval \${$3+:} false; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
-  ac_header_compiler=yes
-else
-  ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <$2>
-_ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-  ac_header_preproc=yes
-else
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in #((
-  yes:no: )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( $as_echo "## ------------------------------------- ##
-## Report this to daniel@minormatter.com ##
-## ------------------------------------- ##"
-     ) | sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  eval "$3=\$ac_header_compiler"
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_cxx_check_header_mongrel
-
-# ac_fn_cxx_try_link LINENO
-# -------------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_cxx_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_cxx_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 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; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_cxx_try_link
 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 KLEE $as_me 0.01, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.60.  Invocation command line was
 
   $ $0 $@
 
@@ -2009,8 +1429,8 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    $as_echo "PATH: $as_dir"
-  done
+  echo "PATH: $as_dir"
+done
 IFS=$as_save_IFS
 
 } >&5
@@ -2044,12 +1464,12 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
     2)
-      as_fn_append ac_configure_args1 " '$ac_arg'"
+      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
       if test $ac_must_keep_next = true; then
 	ac_must_keep_next=false # Got value, back to normal.
       else
@@ -2065,13 +1485,13 @@ do
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      as_fn_append ac_configure_args " '$ac_arg'"
+      ac_configure_args="$ac_configure_args '$ac_arg'"
       ;;
     esac
   done
 done
-{ ac_configure_args0=; unset ac_configure_args0;}
-{ ac_configure_args1=; unset ac_configure_args1;}
+$as_unset ac_configure_args0 || test "${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; }
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
@@ -2083,9 +1503,11 @@ trap 'exit_status=$?
   {
     echo
 
-    $as_echo "## ---------------- ##
+    cat <<\_ASBOX
+## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##"
+## ---------------- ##
+_ASBOX
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -2094,13 +1516,12 @@ trap 'exit_status=$?
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
+      *) $as_unset $ac_var ;;
       esac ;;
     esac
   done
@@ -2119,136 +1540,128 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    $as_echo "## ----------------- ##
+    cat <<\_ASBOX
+## ----------------- ##
 ## Output variables. ##
-## ----------------- ##"
+## ----------------- ##
+_ASBOX
     echo
     for ac_var in $ac_subst_vars
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      $as_echo "$ac_var='\''$ac_val'\''"
+      echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
-      $as_echo "## ------------------- ##
+      cat <<\_ASBOX
+## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##"
+## ------------------- ##
+_ASBOX
       echo
       for ac_var in $ac_subst_files
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	$as_echo "$ac_var='\''$ac_val'\''"
+	echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
 
     if test -s confdefs.h; then
-      $as_echo "## ----------- ##
+      cat <<\_ASBOX
+## ----------- ##
 ## confdefs.h. ##
-## ----------- ##"
+## ----------- ##
+_ASBOX
       echo
       cat confdefs.h
       echo
     fi
     test "$ac_signal" != 0 &&
-      $as_echo "$as_me: caught signal $ac_signal"
-    $as_echo "$as_me: exit $exit_status"
+      echo "$as_me: caught signal $ac_signal"
+    echo "$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'; as_fn_exit 1' $ac_signal
+  trap 'ac_signal='$ac_signal'; { (exit 1); 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 "$PACKAGE_URL"
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
 
 # Let the site file select an alternate cache file if it wants to.
-# Prefer an explicitly selected file to automatically selected ones.
-ac_site_file1=NONE
-ac_site_file2=NONE
+# Prefer explicitly selected file to automatically selected ones.
 if test -n "$CONFIG_SITE"; then
-  # We do not want a PATH search for config.site.
-  case $CONFIG_SITE in #((
-    -*)  ac_site_file1=./$CONFIG_SITE;;
-    */*) ac_site_file1=$CONFIG_SITE;;
-    *)   ac_site_file1=./$CONFIG_SITE;;
-  esac
+  set x "$CONFIG_SITE"
 elif test "x$prefix" != xNONE; then
-  ac_site_file1=$prefix/share/config.site
-  ac_site_file2=$prefix/etc/config.site
+  set x "$prefix/share/config.site" "$prefix/etc/config.site"
 else
-  ac_site_file1=$ac_default_prefix/share/config.site
-  ac_site_file2=$ac_default_prefix/etc/config.site
+  set x "$ac_default_prefix/share/config.site" \
+	"$ac_default_prefix/etc/config.site"
 fi
-for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+shift
+for ac_site_file
 do
-  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 $ac_site_file" >&6;}
+  if test -r "$ac_site_file"; then
+    { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file" \
-      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5; }
+    . "$ac_site_file"
   fi
 done
 
 if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special files
-  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
-  if test /dev/null != "$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 $cache_file" >&6;}
+  # Some versions of bash will fail to source /dev/null (special
+  # files actually), so we avoid doing that.
+  if test -f "$cache_file"; then
+    { echo "$as_me:$LINENO: loading cache $cache_file" >&5
+echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-$as_echo "$as_me: creating cache $cache_file" >&6;}
+  { echo "$as_me:$LINENO: creating cache $cache_file" >&5
+echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
@@ -2262,56 +1675,68 @@ 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,)
-      { $as_echo "$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;}
+      { 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;}
       ac_cache_corrupted=: ;;
     ,set)
-      { $as_echo "$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;}
+      { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-	# 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;}
+	{ 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: $ac_new_val" >&2;}
+	ac_cache_corrupted=:
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`echo "$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.
-      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$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
+  { 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; }; }
 fi
-## -------------------- ##
-## Main body of script. ##
-## -------------------- ##
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -2340,7 +1765,9 @@ for ac_dir in $LLVM_SRC_ROOT/autoconf "$srcdir"/$LLVM_SRC_ROOT/autoconf; do
   fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error $? "cannot find install-sh, install.sh, or shtool in $LLVM_SRC_ROOT/autoconf \"$srcdir\"/$LLVM_SRC_ROOT/autoconf" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in $LLVM_SRC_ROOT/autoconf \"$srcdir\"/$LLVM_SRC_ROOT/autoconf" >&5
+echo "$as_me: error: cannot find install-sh or install.sh in $LLVM_SRC_ROOT/autoconf \"$srcdir\"/$LLVM_SRC_ROOT/autoconf" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2355,7 +1782,7 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 
 # Check whether --with-llvmsrc was given.
-if test "${with_llvmsrc+set}" = set; then :
+if test "${with_llvmsrc+set}" = set; then
   withval=$with_llvmsrc; llvm_src="$withval"
 else
   llvm_src=""""
@@ -2365,7 +1792,7 @@ fi
 
 
 # Check whether --with-llvmobj was given.
-if test "${with_llvmobj+set}" = set; then :
+if test "${with_llvmobj+set}" = set; then
   withval=$with_llvmobj; llvm_obj="$withval"
 else
   llvm_obj=""""
@@ -2392,6 +1819,8 @@ ac_config_headers="$ac_config_headers include/klee/Config/config.h"
 
 
 
+
+
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2402,27 +1831,35 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+  { { 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; }; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
+echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
+   { (exit 1); exit 1; }; }
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+  { { 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; }; }
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+echo "${ECHO_T}$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
+echo "$as_me: error: invalid value of canonical build" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -2438,24 +1875,28 @@ IFS=$ac_save_IFS
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if ${ac_cv_host+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+    { { 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; }; }
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+echo "${ECHO_T}$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
+echo "$as_me: error: invalid value of canonical host" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -2471,24 +1912,28 @@ IFS=$ac_save_IFS
 case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
-$as_echo_n "checking target system type... " >&6; }
-if ${ac_cv_target+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking target system type" >&5
+echo $ECHO_N "checking target system type... $ECHO_C" >&6; }
+if test "${ac_cv_target+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
   ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
-$as_echo "$ac_cv_target" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_target" >&5
+echo "${ECHO_T}$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical target" >&5
+echo "$as_me: error: invalid value of canonical target" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 target=$ac_cv_target
 ac_save_IFS=$IFS; IFS='-'
@@ -2511,10 +1956,10 @@ test -n "$target_alias" &&
     NONENONEs,x,x, &&
   program_prefix=${target_alias}-
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking type of operating system we're going to host on" >&5
-$as_echo_n "checking type of operating system we're going to host on... " >&6; }
-if ${klee_cv_os_type+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking type of operating system we're going to host on" >&5
+echo $ECHO_N "checking type of operating system we're going to host on... $ECHO_C" >&6; }
+if test "${klee_cv_os_type+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   case $host in
   *-*-linux*)
@@ -2523,26 +1968,30 @@ else
     host_supports_posix_runtime=no ;;
 esac
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $klee_cv_os_type" >&5
-$as_echo "$klee_cv_os_type" >&6; }
+{ echo "$as_me:$LINENO: result: $klee_cv_os_type" >&5
+echo "${ECHO_T}$klee_cv_os_type" >&6; }
 
 
 
 # Check whether --with-llvm was given.
-if test "${with_llvm+set}" = set; then :
+if test "${with_llvm+set}" = set; then
   withval=$with_llvm;
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking llvm source dir" >&5
-$as_echo_n "checking llvm source dir... " >&6; }
+{ echo "$as_me:$LINENO: checking llvm source dir" >&5
+echo $ECHO_N "checking llvm source dir... $ECHO_C" >&6; }
 
 if test X${with_llvm} != X; then
         if test X${with_llvmsrc} != X; then
-       as_fn_error $? "--with-llvmsrc cannot be specified when using --with-llvm" "$LINENO" 5
+       { { echo "$as_me:$LINENO: error: --with-llvmsrc cannot be specified when using --with-llvm" >&5
+echo "$as_me: error: --with-llvmsrc cannot be specified when using --with-llvm" >&2;}
+   { (exit 1); exit 1; }; }
     fi
     if test X${with_llvmobj} != X; then
-       as_fn_error $? "--with-llvmobj cannot be specified when using --with-llvm" "$LINENO" 5
+       { { echo "$as_me:$LINENO: error: --with-llvmobj cannot be specified when using --with-llvm" >&5
+echo "$as_me: error: --with-llvmobj cannot be specified when using --with-llvm" >&2;}
+   { (exit 1); exit 1; }; }
     fi
     with_llvmsrc=$with_llvm
     with_llvmobj=$with_llvm
@@ -2550,15 +1999,21 @@ fi
 
 if (test X${with_llvmsrc} != X || test X${with_llvmobj} != X); then
         if test X${with_llvmsrc} = X; then
-       as_fn_error $? "--with-llvmsrc must be specified when using --with-llvmobj" "$LINENO" 5
+       { { echo "$as_me:$LINENO: error: --with-llvmsrc must be specified when using --with-llvmobj" >&5
+echo "$as_me: error: --with-llvmsrc must be specified when using --with-llvmobj" >&2;}
+   { (exit 1); exit 1; }; }
     fi
     if test X${with_llvmobj} = X; then
-       as_fn_error $? "--with-llvmobj must be specified when using --with-llvmsrc" "$LINENO" 5
+       { { echo "$as_me:$LINENO: error: --with-llvmobj must be specified when using --with-llvmsrc" >&5
+echo "$as_me: error: --with-llvmobj must be specified when using --with-llvmsrc" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 else
         llvm_version=`llvm-config --version`
     if test X${llvm_version} = X; then
-       as_fn_error $? "unable to find llvm, use --with-llvmsrc and --with-llvmobj" "$LINENO" 5
+       { { echo "$as_me:$LINENO: error: unable to find llvm, use --with-llvmsrc and --with-llvmobj" >&5
+echo "$as_me: error: unable to find llvm, use --with-llvmsrc and --with-llvmobj" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 
     with_llvmsrc=`llvm-config --src-root`
@@ -2566,58 +2021,62 @@ else
 fi
 
 if test ! -f ${with_llvmsrc}/Makefile.rules; then
-   as_fn_error $? "invalid llvmsrc directory: ${with_llvmsrc}" "$LINENO" 5
+   { { echo "$as_me:$LINENO: error: invalid llvmsrc directory: ${with_llvmsrc}" >&5
+echo "$as_me: error: invalid llvmsrc directory: ${with_llvmsrc}" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 if test ! -f ${with_llvmobj}/Makefile.config; then
-   as_fn_error $? "invalid llvmobj directory: ${with_llvmobj}" "$LINENO" 5
+   { { echo "$as_me:$LINENO: error: invalid llvmobj directory: ${with_llvmobj}" >&5
+echo "$as_me: error: invalid llvmobj directory: ${with_llvmobj}" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 llvm_src=`cd $with_llvmsrc 2> /dev/null; pwd`
 llvm_obj=`cd $with_llvmobj 2> /dev/null; pwd`
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_src" >&5
-$as_echo "$llvm_src" >&6; }
+{ echo "$as_me:$LINENO: result: $llvm_src" >&5
+echo "${ECHO_T}$llvm_src" >&6; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking llvm obj dir" >&5
-$as_echo_n "checking llvm obj dir... " >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_obj" >&5
-$as_echo "$llvm_obj" >&6; }
+{ echo "$as_me:$LINENO: checking llvm obj dir" >&5
+echo $ECHO_N "checking llvm obj dir... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: result: $llvm_obj" >&5
+echo "${ECHO_T}$llvm_obj" >&6; }
 
 LLVM_SRC=$llvm_src
 
 LLVM_OBJ=$llvm_obj
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking llvm package version" >&5
-$as_echo_n "checking llvm package version... " >&6; }
+{ echo "$as_me:$LINENO: checking llvm package version" >&5
+echo $ECHO_N "checking llvm package version... $ECHO_C" >&6; }
 llvm_package_version=`grep PACKAGE_VERSION= $with_llvmsrc/configure | cut -d\' -f 2`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_package_version" >&5
-$as_echo "$llvm_package_version" >&6; }
+{ echo "$as_me:$LINENO: result: $llvm_package_version" >&5
+echo "${ECHO_T}$llvm_package_version" >&6; }
 
 llvm_version_split=`python -c "import re; print('\t'.join(map(str, re.match('([0-9]+).([0-9]+)(svn)?', \"$llvm_package_version\").groups())))"`
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking llvm version major" >&5
-$as_echo_n "checking llvm version major... " >&6; }
+{ echo "$as_me:$LINENO: checking llvm version major" >&5
+echo $ECHO_N "checking llvm version major... $ECHO_C" >&6; }
 llvm_version_major=`echo "$llvm_version_split" | cut -f 1`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_version_major" >&5
-$as_echo "$llvm_version_major" >&6; }
+{ echo "$as_me:$LINENO: result: $llvm_version_major" >&5
+echo "${ECHO_T}$llvm_version_major" >&6; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking llvm version minor" >&5
-$as_echo_n "checking llvm version minor... " >&6; }
+{ echo "$as_me:$LINENO: checking llvm version minor" >&5
+echo $ECHO_N "checking llvm version minor... $ECHO_C" >&6; }
 llvm_version_minor=`echo "$llvm_version_split" | cut -f 2`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_version_minor" >&5
-$as_echo "$llvm_version_minor" >&6; }
+{ echo "$as_me:$LINENO: result: $llvm_version_minor" >&5
+echo "${ECHO_T}$llvm_version_minor" >&6; }
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking llvm is release version" >&5
-$as_echo_n "checking llvm is release version... " >&6; }
+{ echo "$as_me:$LINENO: checking llvm is release version" >&5
+echo $ECHO_N "checking llvm is release version... $ECHO_C" >&6; }
 llvm_version_svn=`echo "$llvm_version_split" | cut -f 3`
 if test "$llvm_version_svn" == "svn"; then
   llvm_is_release=0
 else
   llvm_is_release=1
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_is_release" >&5
-$as_echo "$llvm_is_release" >&6; }
+{ echo "$as_me:$LINENO: result: $llvm_is_release" >&5
+echo "${ECHO_T}$llvm_is_release" >&6; }
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2651,46 +2110,50 @@ REQUIRES_RTTI=$requires_rtti
 
 
 # Check whether --with-llvm-build-mode was given.
-if test "${with_llvm_build_mode+set}" = set; then :
+if test "${with_llvm_build_mode+set}" = set; then
   withval=$with_llvm_build_mode;
 else
   with_llvm_build_mode=check
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking llvm build mode" >&5
-$as_echo_n "checking llvm build mode... " >&6; }
+{ echo "$as_me:$LINENO: checking llvm build mode" >&5
+echo $ECHO_N "checking llvm build mode... $ECHO_C" >&6; }
 
 if test X${with_llvm_build_mode} = Xcheck ; then
   llvm_configs="`ls -1 $llvm_obj/*/bin/llvm-config 2>/dev/null | head -n 1`"
   if test -x "$llvm_configs" ; then
     llvm_build_mode="`$llvm_configs --build-mode`"
   else
-    as_fn_error $? "Could not autodetect build mode" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: Could not autodetect build mode" >&5
+echo "$as_me: error: Could not autodetect build mode" >&2;}
+   { (exit 1); exit 1; }; }
   fi
 else
   llvm_configs="`echo $llvm_obj/*/bin/llvm-config`"
   if test -x "$llvm_obj/$with_llvm_build_mode/bin/llvm-config" ; then
     llvm_build_mode=$with_llvm_build_mode
   else
-    as_fn_error $? "Invalid build mode: $llvm_build_mode" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: Invalid build mode: $llvm_build_mode" >&5
+echo "$as_me: error: Invalid build mode: $llvm_build_mode" >&2;}
+   { (exit 1); exit 1; }; }
   fi
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_build_mode" >&5
-$as_echo "$llvm_build_mode" >&6; }
+{ echo "$as_me:$LINENO: result: $llvm_build_mode" >&5
+echo "${ECHO_T}$llvm_build_mode" >&6; }
 LLVM_BUILD_MODE=$llvm_build_mode
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking LLVM Bitcode compiler" >&5
-$as_echo_n "checking LLVM Bitcode compiler... " >&6; }
+{ echo "$as_me:$LINENO: checking LLVM Bitcode compiler" >&5
+echo $ECHO_N "checking LLVM Bitcode compiler... $ECHO_C" >&6; }
 klee_llvm_bc_c_compiler=""
 klee_llvm_bc_cxx_compiler=""
 
 
 # Check whether --with-llvmcc was given.
-if test "${with_llvmcc+set}" = set; then :
+if test "${with_llvmcc+set}" = set; then
   withval=$with_llvmcc;
 else
   with_llvmcc=none
@@ -2700,7 +2163,7 @@ fi
 
 
 # Check whether --with-llvmcxx was given.
-if test "${with_llvmcxx+set}" = set; then :
+if test "${with_llvmcxx+set}" = set; then
   withval=$with_llvmcxx;
 else
   with_llvmcxx=none
@@ -2708,32 +2171,36 @@ else
 fi
 
 if test \( "X$with_llvmcc" != Xnone -a "X$with_llvmcxx" = Xnone \) -o \( "X$with_llvmcxx" != Xnone -a "X$with_llvmcc" = Xnone \) ; then
-    as_fn_error $? "You must set both --with-llvmcc= and --with-llvmcxx= or set neither" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: You must set both --with-llvmcc= and --with-llvmcxx= or set neither" >&5
+echo "$as_me: error: You must set both --with-llvmcc= and --with-llvmcxx= or set neither" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 if test X$with_llvmcc = Xnone ; then
 
         if test -x "$llvm_obj/$llvm_build_mode/bin/clang" ; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Found clang in LLVM Build" >&5
-$as_echo "Found clang in LLVM Build" >&6; }
+        { echo "$as_me:$LINENO: result: Found clang in LLVM Build" >&5
+echo "${ECHO_T}Found clang in LLVM Build" >&6; }
         klee_llvm_bc_c_compiler="$llvm_obj/$llvm_build_mode/bin/clang"
 
         if test -x "$llvm_obj/$llvm_build_mode/bin/clang++" ; then
             klee_llvm_bc_cxx_compiler="$llvm_obj/$llvm_build_mode/bin/clang++"
         else
-            as_fn_error $? "Found clang but could not find clang++" "$LINENO" 5
+            { { echo "$as_me:$LINENO: error: Found clang but could not find clang++" >&5
+echo "$as_me: error: Found clang but could not find clang++" >&2;}
+   { (exit 1); exit 1; }; }
         fi
     fi
 
         if test "X${klee_llvm_bc_c_compiler}" = X ; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: " >&5
-$as_echo "" >&6; } # Force a new line
+        { echo "$as_me:$LINENO: result: " >&5
+echo "${ECHO_T}" >&6; } # Force a new line
         # Extract the first word of "llvm-gcc", so it can be a program name with args.
 set dummy llvm-gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_llvm_gcc+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_llvm_gcc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$llvm_gcc"; then
   ac_cv_prog_llvm_gcc="$llvm_gcc" # Let the user override the test.
@@ -2743,14 +2210,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_llvm_gcc="FOUND"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
   test -z "$ac_cv_prog_llvm_gcc" && ac_cv_prog_llvm_gcc="NOT_FOUND"
@@ -2758,11 +2225,11 @@ fi
 fi
 llvm_gcc=$ac_cv_prog_llvm_gcc
 if test -n "$llvm_gcc"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_gcc" >&5
-$as_echo "$llvm_gcc" >&6; }
+  { echo "$as_me:$LINENO: result: $llvm_gcc" >&5
+echo "${ECHO_T}$llvm_gcc" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -2771,10 +2238,10 @@ fi
 
             # Extract the first word of "llvm-g++", so it can be a program name with args.
 set dummy llvm-g++; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_llvm_gxx+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_llvm_gxx+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$llvm_gxx"; then
   ac_cv_prog_llvm_gxx="$llvm_gxx" # Let the user override the test.
@@ -2784,14 +2251,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_llvm_gxx="FOUND"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
   test -z "$ac_cv_prog_llvm_gxx" && ac_cv_prog_llvm_gxx="NOT_FOUND"
@@ -2799,32 +2266,34 @@ fi
 fi
 llvm_gxx=$ac_cv_prog_llvm_gxx
 if test -n "$llvm_gxx"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $llvm_gxx" >&5
-$as_echo "$llvm_gxx" >&6; }
+  { echo "$as_me:$LINENO: result: $llvm_gxx" >&5
+echo "${ECHO_T}$llvm_gxx" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
             if test ${llvm_gxx} = FOUND; then
                 klee_llvm_bc_cxx_compiler=`which llvm-g++`
             else
-                as_fn_error $? "Found llvm-gcc but could not find llvm-g++ in PATH" "$LINENO" 5
+                { { echo "$as_me:$LINENO: error: Found llvm-gcc but could not find llvm-g++ in PATH" >&5
+echo "$as_me: error: Found llvm-gcc but could not find llvm-g++ in PATH" >&2;}
+   { (exit 1); exit 1; }; }
             fi
         fi
 
     fi
 
         if test "X${klee_llvm_bc_c_compiler}" = X ; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: " >&5
-$as_echo "" >&6; } # Force a new line
+        { echo "$as_me:$LINENO: result: " >&5
+echo "${ECHO_T}" >&6; } # Force a new line
         # Extract the first word of "clang", so it can be a program name with args.
 set dummy clang; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_clang+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_clang+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$clang"; then
   ac_cv_prog_clang="$clang" # Let the user override the test.
@@ -2834,14 +2303,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_clang="FOUND"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
   test -z "$ac_cv_prog_clang" && ac_cv_prog_clang="NOT_FOUND"
@@ -2849,11 +2318,11 @@ fi
 fi
 clang=$ac_cv_prog_clang
 if test -n "$clang"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $clang" >&5
-$as_echo "$clang" >&6; }
+  { echo "$as_me:$LINENO: result: $clang" >&5
+echo "${ECHO_T}$clang" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -2862,10 +2331,10 @@ fi
 
             # Extract the first word of "clang++", so it can be a program name with args.
 set dummy clang++; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_clang_cxx+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_clang_cxx+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$clang_cxx"; then
   ac_cv_prog_clang_cxx="$clang_cxx" # Let the user override the test.
@@ -2875,14 +2344,14 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_clang_cxx="FOUND"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
   test -z "$ac_cv_prog_clang_cxx" && ac_cv_prog_clang_cxx="NOT_FOUND"
@@ -2890,29 +2359,35 @@ fi
 fi
 clang_cxx=$ac_cv_prog_clang_cxx
 if test -n "$clang_cxx"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $clang_cxx" >&5
-$as_echo "$clang_cxx" >&6; }
+  { echo "$as_me:$LINENO: result: $clang_cxx" >&5
+echo "${ECHO_T}$clang_cxx" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
             if test ${clang_cxx} = FOUND; then
                 klee_llvm_bc_cxx_compiler=`which clang++`
             else
-                as_fn_error $? "Found clang but could not find clang++ in PATH" "$LINENO" 5
+                { { echo "$as_me:$LINENO: error: Found clang but could not find clang++ in PATH" >&5
+echo "$as_me: error: Found clang but could not find clang++ in PATH" >&2;}
+   { (exit 1); exit 1; }; }
             fi
         fi
 
     fi
 
     if test X"${klee_llvm_bc_c_compiler}" = X ; then
-        as_fn_error $? "Could not find a C LLVM Bitcode compiler. Did you try building Clang in the LLVM Build directory or putting llvm-gcc or clang in your path?" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: Could not find a C LLVM Bitcode compiler. Did you try building Clang in the LLVM Build directory or putting llvm-gcc or clang in your path?" >&5
+echo "$as_me: error: Could not find a C LLVM Bitcode compiler. Did you try building Clang in the LLVM Build directory or putting llvm-gcc or clang in your path?" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 
     if test X"${klee_llvm_bc_cxx_compiler}" = X ; then
-        as_fn_error $? "Could not find a C++ LLVM Bitcode compiler. Did you try building Clang in the LLVM Build directory or putting llvm-gcc or clang in your path?" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: Could not find a C++ LLVM Bitcode compiler. Did you try building Clang in the LLVM Build directory or putting llvm-gcc or clang in your path?" >&5
+echo "$as_me: error: Could not find a C++ LLVM Bitcode compiler. Did you try building Clang in the LLVM Build directory or putting llvm-gcc or clang in your path?" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 
 else
@@ -2920,57 +2395,71 @@ else
     klee_llvm_bc_cxx_compiler="$with_llvmcxx"
 
     if test \! -x "${klee_llvm_bc_c_compiler}"; then
-        as_fn_error $? "--with-llvmcc= supplied compiler does not exist" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: --with-llvmcc= supplied compiler does not exist" >&5
+echo "$as_me: error: --with-llvmcc= supplied compiler does not exist" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 
     if test \! -x "${klee_llvm_bc_cxx_compiler}"; then
-        as_fn_error $? "--with-llvmcxx= supplied compiler does not exist" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: --with-llvmcxx= supplied compiler does not exist" >&5
+echo "$as_me: error: --with-llvmcxx= supplied compiler does not exist" >&2;}
+   { (exit 1); exit 1; }; }
     fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Using user supplied LLVM bitcode compilers." >&5
-$as_echo "Using user supplied LLVM bitcode compilers." >&6; }
+    { echo "$as_me:$LINENO: result: Using user supplied LLVM bitcode compilers." >&5
+echo "${ECHO_T}Using user supplied LLVM bitcode compilers." >&6; }
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Using C llvm compiler : $klee_llvm_bc_c_compiler" >&5
-$as_echo "Using C llvm compiler : $klee_llvm_bc_c_compiler" >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Using C++ llvm compiler : $klee_llvm_bc_cxx_compiler" >&5
-$as_echo "Using C++ llvm compiler : $klee_llvm_bc_cxx_compiler" >&6; }
+{ echo "$as_me:$LINENO: result: Using C llvm compiler : $klee_llvm_bc_c_compiler" >&5
+echo "${ECHO_T}Using C llvm compiler : $klee_llvm_bc_c_compiler" >&6; }
+{ echo "$as_me:$LINENO: result: Using C++ llvm compiler : $klee_llvm_bc_cxx_compiler" >&5
+echo "${ECHO_T}Using C++ llvm compiler : $klee_llvm_bc_cxx_compiler" >&6; }
 
 
 function klee_check_bc()
 {
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking ${3} LLVM Bitcode compiler works" >&5
-$as_echo_n "checking ${3} LLVM Bitcode compiler works... " >&6; }
+    { echo "$as_me:$LINENO: checking ${3} LLVM Bitcode compiler works" >&5
+echo $ECHO_N "checking ${3} LLVM Bitcode compiler works... $ECHO_C" >&6; }
         klee_bc_test_file="./.klee_llvm_bitcode_test.${2}"
 
     echo "int main() { return 0;}" > "${klee_bc_test_file}"
     "${1}" -emit-llvm -c "${klee_bc_test_file}" -o "${klee_bc_test_file}.bc"
     if test $? -ne 0 ; then
-        as_fn_error $? "Failed running ${3} LLVM Bitcode compiler" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: Failed running ${3} LLVM Bitcode compiler" >&5
+echo "$as_me: error: Failed running ${3} LLVM Bitcode compiler" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 
     if test \! -e "${klee_bc_test_file}.bc"; then
-        as_fn_error $? " ${3} LLVM Bitcode compiler did not produce any output" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error:  ${3} LLVM Bitcode compiler did not produce any output" >&5
+echo "$as_me: error:  ${3} LLVM Bitcode compiler did not produce any output" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 
                 if test -x "$llvm_obj/$llvm_build_mode/bin/llvm-dis" ; then
         "$llvm_obj/$llvm_build_mode/bin/llvm-dis" -o "${klee_bc_test_file}.ll" "${klee_bc_test_file}.bc"
 
         if test $? -ne 0; then
-            as_fn_error $? "Failed converting LLVM Bitcode to LLVM assembly. Maybe your LLVM versions do not match?" "$LINENO" 5
+            { { echo "$as_me:$LINENO: error: Failed converting LLVM Bitcode to LLVM assembly. Maybe your LLVM versions do not match?" >&5
+echo "$as_me: error: Failed converting LLVM Bitcode to LLVM assembly. Maybe your LLVM versions do not match?" >&2;}
+   { (exit 1); exit 1; }; }
         fi
 
         if test -e "${klee_bc_test_file}.ll" ; then
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: Success" >&5
-$as_echo "Success" >&6; }
+            { echo "$as_me:$LINENO: result: Success" >&5
+echo "${ECHO_T}Success" >&6; }
             rm "${klee_bc_test_file}" "${klee_bc_test_file}.bc" "${klee_bc_test_file}.ll"
         else
             rm "${klee_bc_test_file}" "${klee_bc_test_file}.bc" "${klee_bc_test_file}.ll"
-            as_fn_error $? "Failed converting LLVM Bitcode to LLVM assembly. Maybe your LLVM versions do not match?" "$LINENO" 5
+            { { echo "$as_me:$LINENO: error: Failed converting LLVM Bitcode to LLVM assembly. Maybe your LLVM versions do not match?" >&5
+echo "$as_me: error: Failed converting LLVM Bitcode to LLVM assembly. Maybe your LLVM versions do not match?" >&2;}
+   { (exit 1); exit 1; }; }
         fi
 
     else
         rm "${klee_bc_test_file}" "${klee_bc_test_file}.bc"
-        as_fn_error $? "Could not find llvm-dis" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: Could not find llvm-dis" >&5
+echo "$as_me: error: Could not find llvm-dis" >&2;}
+   { (exit 1); exit 1; }; }
     fi
 }
 
@@ -2985,14 +2474,14 @@ KLEE_BITCODE_CXX_COMPILER=$klee_llvm_bc_cxx_compiler
 
 
 # Check whether --with-uclibc was given.
-if test "${with_uclibc+set}" = set; then :
+if test "${with_uclibc+set}" = set; then
   withval=$with_uclibc;
 fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking uclibc" >&5
-$as_echo_n "checking uclibc... " >&6; }
+{ echo "$as_me:$LINENO: checking uclibc" >&5
+echo $ECHO_N "checking uclibc... $ECHO_C" >&6; }
 if (test X${with_uclibc} != X); then
    if test  -d ${with_uclibc}; then
 
@@ -3001,7 +2490,9 @@ if (test X${with_uclibc} != X); then
             KLEE_UCLIBC_BCA="${with_uclibc}/lib/libc.a"
 
       if test ! -e "${KLEE_UCLIBC_BCA}"; then
-      as_fn_error $? "Could not find file ${KLEE_UCLIBC_BCA}" "$LINENO" 5
+      { { echo "$as_me:$LINENO: error: Could not find file ${KLEE_UCLIBC_BCA}" >&5
+echo "$as_me: error: Could not find file ${KLEE_UCLIBC_BCA}" >&2;}
+   { (exit 1); exit 1; }; }
       fi
    elif test -f ${with_uclibc}; then
 
@@ -3011,21 +2502,25 @@ if (test X${with_uclibc} != X); then
 
       KLEE_UCLIBC_BCA="${_kud}/${_kuf}"
    else
-      as_fn_error $? "Could not detect klee-uclibc" "$LINENO" 5
+      { { echo "$as_me:$LINENO: error: Could not detect klee-uclibc" >&5
+echo "$as_me: error: Could not detect klee-uclibc" >&2;}
+   { (exit 1); exit 1; }; }
    fi
 
 
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $KLEE_UCLIBC_BCA" >&5
-$as_echo "$KLEE_UCLIBC_BCA" >&6; }
+   { echo "$as_me:$LINENO: result: $KLEE_UCLIBC_BCA" >&5
+echo "${ECHO_T}$KLEE_UCLIBC_BCA" >&6; }
    ENABLE_UCLIBC=1
 
 
 
-$as_echo "#define SUPPORT_KLEE_UCLIBC 1" >>confdefs.h
+cat >>confdefs.h <<\_ACEOF
+#define SUPPORT_KLEE_UCLIBC 1
+_ACEOF
 
 else
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+   { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
    ENABLE_UCLIBC=0
 
 fi
@@ -3033,37 +2528,37 @@ fi
 
 
 # Check whether --enable-posix-runtime was given.
-if test "${enable_posix_runtime+set}" = set; then :
+if test "${enable_posix_runtime+set}" = set; then
   enableval=$enable_posix_runtime;
 else
   enableval=default
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking POSIX runtime" >&5
-$as_echo_n "checking POSIX runtime... " >&6; }
+{ echo "$as_me:$LINENO: checking POSIX runtime" >&5
+echo $ECHO_N "checking POSIX runtime... $ECHO_C" >&6; }
 if test ${enableval} = "default" ; then
   if test X${with_uclibc} != X; then
     enableval=$host_supports_posix_runtime
     if test ${enableval} = "yes"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: default (enabled)" >&5
-$as_echo "default (enabled)" >&6; }
+      { echo "$as_me:$LINENO: result: default (enabled)" >&5
+echo "${ECHO_T}default (enabled)" >&6; }
     else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: default (disabled, unsupported target)" >&5
-$as_echo "default (disabled, unsupported target)" >&6; }
+      { echo "$as_me:$LINENO: result: default (disabled, unsupported target)" >&5
+echo "${ECHO_T}default (disabled, unsupported target)" >&6; }
     fi
   else
     enableval="no"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: default (disabled, no uclibc)" >&5
-$as_echo "default (disabled, no uclibc)" >&6; }
+    { echo "$as_me:$LINENO: result: default (disabled, no uclibc)" >&5
+echo "${ECHO_T}default (disabled, no uclibc)" >&6; }
   fi
 else
   if test ${enableval} = "yes" ; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+    { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+    { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
   fi
 fi
 
@@ -3078,7 +2573,7 @@ fi
 
 
 # Check whether --with-runtime was given.
-if test "${with_runtime+set}" = set; then :
+if test "${with_runtime+set}" = set; then
   withval=$with_runtime;
 else
   withval=default
@@ -3088,11 +2583,11 @@ if test X"${withval}" = Xdefault; then
    with_runtime=Release+Asserts
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking runtime configuration" >&5
-$as_echo_n "checking runtime configuration... " >&6; }
+{ echo "$as_me:$LINENO: checking runtime configuration" >&5
+echo $ECHO_N "checking runtime configuration... $ECHO_C" >&6; }
 if test X${with_runtime} = XRelease; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Release" >&5
-$as_echo "Release" >&6; }
+    { echo "$as_me:$LINENO: result: Release" >&5
+echo "${ECHO_T}Release" >&6; }
     RUNTIME_ENABLE_OPTIMIZED=1
 
     RUNTIME_DISABLE_ASSERTIONS=1
@@ -3100,8 +2595,8 @@ $as_echo "Release" >&6; }
     RUNTIME_DEBUG_SYMBOLS=
 
 elif test X${with_runtime} = XRelease+Asserts; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Release+Asserts" >&5
-$as_echo "Release+Asserts" >&6; }
+    { echo "$as_me:$LINENO: result: Release+Asserts" >&5
+echo "${ECHO_T}Release+Asserts" >&6; }
     RUNTIME_ENABLE_OPTIMIZED=1
 
     RUNTIME_DISABLE_ASSERTIONS=0
@@ -3109,8 +2604,8 @@ $as_echo "Release+Asserts" >&6; }
     RUNTIME_DEBUG_SYMBOLS=
 
 elif test X${with_runtime} = XDebug; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: Debug" >&5
-$as_echo "Debug" >&6; }
+   { echo "$as_me:$LINENO: result: Debug" >&5
+echo "${ECHO_T}Debug" >&6; }
    RUNTIME_ENABLE_OPTIMIZED=0
 
    RUNTIME_DISABLE_ASSERTIONS=1
@@ -3118,8 +2613,8 @@ $as_echo "Debug" >&6; }
    RUNTIME_DEBUG_SYMBOLS=1
 
 elif test X${with_runtime} = XDebug+Asserts; then
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: Debug+Asserts" >&5
-$as_echo "Debug+Asserts" >&6; }
+   { echo "$as_me:$LINENO: result: Debug+Asserts" >&5
+echo "${ECHO_T}Debug+Asserts" >&6; }
    RUNTIME_ENABLE_OPTIMIZED=0
 
    RUNTIME_DISABLE_ASSERTIONS=0
@@ -3127,7 +2622,9 @@ $as_echo "Debug+Asserts" >&6; }
    RUNTIME_DEBUG_SYMBOLS=1
 
 else
-   as_fn_error $? "invalid configuration: ${with_runtime}" "$LINENO" 5
+   { { echo "$as_me:$LINENO: error: invalid configuration: ${with_runtime}" >&5
+echo "$as_me: error: invalid configuration: ${with_runtime}" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 
@@ -3163,10 +2660,10 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3176,25 +2673,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -3203,10 +2700,10 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -3216,25 +2713,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -3242,8 +2739,12 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$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;}
+{ 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 "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -3256,10 +2757,10 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3269,25 +2770,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -3296,10 +2797,10 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3310,18 +2811,18 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
@@ -3340,11 +2841,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -3355,10 +2856,10 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
@@ -3368,25 +2869,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -3399,10 +2900,10 @@ 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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
@@ -3412,25 +2913,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -3442,8 +2943,12 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$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;}
+{ 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 "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -3453,37 +2958,51 @@ fi
 fi
 
 
-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; }
+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; }; }
 
 # Provide some information about the compiler.
-$as_echo "$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 $ac_option >&5"
+echo "$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 ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
   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: \$? = $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); }
 
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3495,55 +3014,59 @@ main ()
 }
 _ACEOF
 ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+ac_clean_files="$ac_clean_files a.out 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.
-{ $as_echo "$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 "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-
-# The possible output files:
-ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
-
+{ echo "$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.
 ac_rmfiles=
 for ac_file in $ac_files
 do
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
     * ) ac_rmfiles="$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 ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; 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,
 # so that the user can short-circuit this test for compilers unknown to
 # Autoconf.
-for ac_file in $ac_files ''
+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 | *.dSYM | *.o | *.obj )
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj )
 	;;
     [ab].out )
 	# We found the default executable, but exeext='' is most
 	# certainly right.
 	break;;
     *.* )
-	if test "${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
@@ -3560,43 +3083,76 @@ done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
 else
-  ac_file=''
-fi
-if test -z "$ac_file"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-$as_echo "$as_me: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+{ { echo "$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; }; }
 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
+{ echo "$as_me:$LINENO: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6; }
 
-rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ echo "$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$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ $as_echo "$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"
+# 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"
 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 "$ac_try_echo"; } >&5
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; 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
@@ -3604,90 +3160,37 @@ $as_echo "$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 | *.dSYM | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	  break;;
     * ) break;;
   esac
 done
 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 $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
-rm -f conftest conftest$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_cv_exeext
+{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+echo "${ECHO_T}$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-cat confdefs.h - <<_ACEOF >conftest.$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
-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 ${ac_cv_objext+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3699,46 +3202,51 @@ 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 ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;;
     *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
        break;;
   esac
 done
 else
-  $as_echo "$as_me: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$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; }
+{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
+
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-$as_echo "$ac_cv_objext" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+echo "${ECHO_T}$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ $as_echo "$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 ${ac_cv_c_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3752,34 +3260,71 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_compiler_gnu=yes
 else
-  ac_compiler_gnu=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
-  GCC=yes
-else
-  GCC=
-fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
+GCC=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3790,11 +3335,51 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_cv_prog_cc_g=yes
 else
-  CFLAGS=""
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  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
 /* end confdefs.h.  */
 
 int
@@ -3805,12 +3390,52 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  :
 else
-  ac_c_werror_flag=$ac_save_c_werror_flag
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -3821,18 +3446,59 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_cv_prog_cc_g=yes
+else
+  echo "$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -3848,18 +3514,23 @@ else
     CFLAGS=
   fi
 fi
-{ $as_echo "$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 ${ac_cv_prog_cc_c89+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
   ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
-struct stat;
+#include <sys/types.h>
+#include <sys/stat.h>
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
 FILE * (*rcsopen) (struct buf *, struct stat *, int);
@@ -3911,9 +3582,48 @@ for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
 	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"; then :
+  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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_cv_prog_cc_c89=$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
@@ -3924,19 +3634,17 @@ fi
 # AC_CACHE_VAL
 case "x$ac_cv_prog_cc_c89" in
   x)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
+    { echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6; } ;;
   xno)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
+    { echo "$as_me:$LINENO: result: unsupported" >&5
+echo "${ECHO_T}unsupported" >&6; } ;;
   *)
     CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
 esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
 
-fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3950,15 +3658,15 @@ ac_cpp='$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
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
+{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
-  $as_echo_n "(cached) " >&6
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
       # Double quotes because CPP needs to be expanded
     for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
@@ -3972,7 +3680,11 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -3981,34 +3693,90 @@ do
 #endif
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
+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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  :
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
   break
 fi
 
@@ -4020,8 +3788,8 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
+{ echo "$as_me:$LINENO: result: $CPP" >&5
+echo "${ECHO_T}$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
@@ -4031,7 +3799,11 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -4040,40 +3812,97 @@ do
 #endif
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
+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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  :
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  :
 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 $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+  { { echo "$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; }; }
 fi
 
 ac_ext=c
@@ -4083,40 +3912,45 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-{ $as_echo "$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 ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
-  if test -z "$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"
-      as_fn_executable_p "$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" && $as_executable_p "$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
-  $as_echo_n 0123456789 >"conftest.in"
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    echo 'GREP' >> "conftest.nl"
     "$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
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    ac_count=`expr $ac_count + 1`
     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"
@@ -4128,61 +3962,77 @@ 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
-    done
-  done
+
+    $ac_path_GREP_found && break 3
   done
+done
+
+done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_GREP"; then
-    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
+
+
+fi
+
+GREP="$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
+
 else
   ac_cv_path_GREP=$GREP
 fi
 
+
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
-     if test -z "$EGREP"; then
+     # Extract the first word of "egrep" to use in msg output
+if test -z "$EGREP"; then
+set dummy egrep; ac_prog_name=$2
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
   ac_path_EGREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$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"
-      as_fn_executable_p "$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" && $as_executable_p "$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
-  $as_echo_n 0123456789 >"conftest.in"
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    ac_count=`expr $ac_count + 1`
     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"
@@ -4194,31 +4044,46 @@ 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
-    done
-  done
+
+    $ac_path_EGREP_found && break 3
   done
+done
+
+done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
+
+
+fi
+
+EGREP="$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
+
 else
   ac_cv_path_EGREP=$EGREP
 fi
 
+
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -4233,23 +4098,64 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_cv_header_stdc=yes
 else
-  ac_cv_header_stdc=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_header_stdc=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* 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
@@ -4259,14 +4165,18 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* 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
@@ -4276,10 +4186,14 @@ 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 "$cross_compiling" = yes; then
   :
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ctype.h>
 #include <stdlib.h>
@@ -4306,35 +4220,130 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
+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 $ac_status); }; }; then
+  :
 else
-  ac_cv_header_stdc=no
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 
+
 fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
 
 fi
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 		  inttypes.h stdint.h unistd.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+
+#include <$ac_header>
+_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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 fi
@@ -4342,12 +4351,169 @@ fi
 done
 
 
+
 for ac_header in sys/acl.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/acl.h" "ac_cv_header_sys_acl_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_acl_h" = xyes; then :
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------------- ##
+## Report this to daniel@minormatter.com ##
+## ------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_ACL_H 1
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 fi
@@ -4355,14 +4521,18 @@ fi
 done
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cap_get_proc in -lcap" >&5
-$as_echo_n "checking for cap_get_proc in -lcap... " >&6; }
-if ${ac_cv_lib_cap_cap_get_proc+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for cap_get_proc in -lcap" >&5
+echo $ECHO_N "checking for cap_get_proc in -lcap... $ECHO_C" >&6; }
+if test "${ac_cv_lib_cap_cap_get_proc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcap  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -4380,30 +4550,224 @@ return cap_get_proc ();
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest$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 $ac_status); }; }; then
   ac_cv_lib_cap_cap_get_proc=yes
 else
-  ac_cv_lib_cap_cap_get_proc=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_cap_cap_get_proc=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cap_cap_get_proc" >&5
-$as_echo "$ac_cv_lib_cap_cap_get_proc" >&6; }
-if test "x$ac_cv_lib_cap_cap_get_proc" = xyes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_cap_cap_get_proc" >&5
+echo "${ECHO_T}$ac_cv_lib_cap_cap_get_proc" >&6; }
+if test $ac_cv_lib_cap_cap_get_proc = yes; then
   have_cap=yes
 else
   have_cap=no
 fi
 
 if test "x${have_cap}" = xyes; then
-  for ac_header in sys/capability.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/capability.h" "ac_cv_header_sys_capability_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_capability_h" = xyes; then :
+
+for ac_header in sys/capability.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_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 $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------------- ##
+## Report this to daniel@minormatter.com ##
+## ------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_CAPABILITY_H 1
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 else
@@ -4414,8 +4778,11 @@ done
 
 fi
 if test "x${have_cap}" = xno; then
-  as_fn_error $? "Library cap and its header file sys/capability.h required for \
-klee-replay. Please install package libcap-dev/libcap-devel." "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: Library cap and its header file sys/capability.h required for \
+klee-replay. Please install package libcap-dev/libcap-devel." >&5
+echo "$as_me: error: Library cap and its header file sys/capability.h required for \
+klee-replay. Please install package libcap-dev/libcap-devel." >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 ac_ext=cpp
@@ -4439,10 +4806,10 @@ if test -z "$CXX"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
@@ -4452,25 +4819,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-$as_echo "$CXX" >&6; }
+  { echo "$as_me:$LINENO: result: $CXX" >&5
+echo "${ECHO_T}$CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -4483,10 +4850,10 @@ if test -z "$CXX"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CXX+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
@@ -4496,25 +4863,25 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-$as_echo "$ac_ct_CXX" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
+echo "${ECHO_T}$ac_ct_CXX" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
 
@@ -4526,8 +4893,12 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$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;}
+{ 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 "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
     CXX=$ac_ct_CXX
@@ -4537,36 +4908,49 @@ fi
   fi
 fi
 # Provide some information about the compiler.
-$as_echo "$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 $ac_option >&5"
+echo "$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 ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
   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: \$? = $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); }
 
-{ $as_echo "$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 ${ac_cv_cxx_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$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_cxx_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -4580,34 +4964,71 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_compiler_gnu=yes
 else
-  ac_compiler_gnu=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_compiler_gnu=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
-$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
-  GXX=yes
-else
-  GXX=
-fi
+{ echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6; }
+GXX=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
-$as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if ${ac_cv_prog_cxx_g+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
+echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cxx_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
    CXXFLAGS="-g"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -4618,11 +5039,51 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_cv_prog_cxx_g=yes
 else
-  CXXFLAGS=""
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	CXXFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -4633,12 +5094,52 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
-
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  :
 else
-  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+	 cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 int
@@ -4649,18 +5150,59 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
   ac_cv_prog_cxx_g=yes
+else
+  echo "$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.$ac_ext
    ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
-$as_echo "$ac_cv_prog_cxx_g" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6; }
 if test "$ac_test_CXXFLAGS" = set; then
   CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
@@ -4688,11 +5230,11 @@ ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
-$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
+{ echo "$as_me:$LINENO: checking how to run the C++ preprocessor" >&5
+echo $ECHO_N "checking how to run the C++ preprocessor... $ECHO_C" >&6; }
 if test -z "$CXXCPP"; then
-  if ${ac_cv_prog_CXXCPP+:} false; then :
-  $as_echo_n "(cached) " >&6
+  if test "${ac_cv_prog_CXXCPP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
       # Double quotes because CXXCPP needs to be expanded
     for CXXCPP in "$CXX -E" "/lib/cpp"
@@ -4706,7 +5248,11 @@ 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 confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -4715,34 +5261,90 @@ do
 #endif
 		     Syntax error
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
 else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
   break
 fi
 
@@ -4754,8 +5356,8 @@ fi
 else
   ac_cv_prog_CXXCPP=$CXXCPP
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
-$as_echo "$CXXCPP" >&6; }
+{ echo "$as_me:$LINENO: result: $CXXCPP" >&5
+echo "${ECHO_T}$CXXCPP" >&6; }
 ac_preproc_ok=false
 for ac_cxx_preproc_warn_flag in '' yes
 do
@@ -4765,7 +5367,11 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -4774,40 +5380,97 @@ do
 #endif
 		     Syntax error
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
-
+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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
 else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_cxx_try_cpp "$LINENO"; then :
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+  :
 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 $? "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+  { { echo "$as_me:$LINENO: error: C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details." >&5
+echo "$as_me: error: C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 ac_ext=cpp
@@ -4817,12 +5480,169 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
+
 for ac_header in selinux/selinux.h
-do :
-  ac_fn_cxx_check_header_mongrel "$LINENO" "selinux/selinux.h" "ac_cv_header_selinux_selinux_h" "$ac_includes_default"
-if test "x$ac_cv_header_selinux_selinux_h" = xyes; then :
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------------- ##
+## Report this to daniel@minormatter.com ##
+## ------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
-#define HAVE_SELINUX_SELINUX_H 1
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
  HAVE_SELINUX=1
 
@@ -4834,13 +5654,17 @@ fi
 done
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing mallinfo" >&5
-$as_echo_n "checking for library containing mallinfo... " >&6; }
-if ${ac_cv_search_mallinfo+:} false; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for library containing mallinfo" >&5
+echo $ECHO_N "checking for library containing mallinfo... $ECHO_C" >&6; }
+if test "${ac_cv_search_mallinfo+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -4865,33 +5689,76 @@ for ac_lib in '' malloc; do
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"; then :
+  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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest$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 $ac_status); }; }; then
   ac_cv_search_mallinfo=$ac_res
+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_exeext
-  if ${ac_cv_search_mallinfo+:} false; then :
+      conftest$ac_exeext
+  if test "${ac_cv_search_mallinfo+set}" = set; then
   break
 fi
 done
-if ${ac_cv_search_mallinfo+:} false; then :
-
+if test "${ac_cv_search_mallinfo+set}" = set; then
+  :
 else
   ac_cv_search_mallinfo=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mallinfo" >&5
-$as_echo "$ac_cv_search_mallinfo" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_search_mallinfo" >&5
+echo "${ECHO_T}$ac_cv_search_mallinfo" >&6; }
 ac_res=$ac_cv_search_mallinfo
-if test "$ac_res" != no; then :
+if test "$ac_res" != no; then
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-$as_echo "#define HAVE_MALLINFO 1" >>confdefs.h
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_MALLINFO 1
+_ACEOF
 
 else
-  as_fn_error $? "mallinfo() must be supported by your malloc implementation" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: mallinfo() must be supported by your malloc implementation" >&5
+echo "$as_me: error: mallinfo() must be supported by your malloc implementation" >&2;}
+   { (exit 1); exit 1; }; }
 
 fi
 
@@ -4899,33 +5766,195 @@ fi
 
 
 # Check whether --with-stp was given.
-if test "${with_stp+set}" = set; then :
+if test "${with_stp+set}" = set; then
   withval=$with_stp;
 else
-  as_fn_error $? "The --with-stp=<path> argument is mandatory where <path> is the path \
-to the root of your STP install" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: The --with-stp=<path> argument is mandatory where <path> is the path \
+to the root of your STP install" >&5
+echo "$as_me: error: The --with-stp=<path> argument is mandatory where <path> is the path \
+to the root of your STP install" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 
 #Check for empty argument
 if test "X$with_stp" = X ; then
-	as_fn_error $? "<path> cannot be empty in --with-stp=<path>" "$LINENO" 5
+	{ { echo "$as_me:$LINENO: error: <path> cannot be empty in --with-stp=<path>" >&5
+echo "$as_me: error: <path> cannot be empty in --with-stp=<path>" >&2;}
+   { (exit 1); exit 1; }; }
 else
   stp_root=`(cd $with_stp && pwd) 2> /dev/null`
 
   #Check for bad path
   if test "X$stp_root" = X ; then
-  	as_fn_error $? "Cannot access path $with_stp passed to --with-stp" "$LINENO" 5
+  	{ { echo "$as_me:$LINENO: error: Cannot access path $with_stp passed to --with-stp" >&5
+echo "$as_me: error: Cannot access path $with_stp passed to --with-stp" >&2;}
+   { (exit 1); exit 1; }; }
   fi
 
   old_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="$CPPFLAGS -I$stp_root/include"
-  ac_fn_cxx_check_header_mongrel "$LINENO" "stp/c_interface.h" "ac_cv_header_stp_c_interface_h" "$ac_includes_default"
-if test "x$ac_cv_header_stp_c_interface_h" = xyes; then :
+  if test "${ac_cv_header_stp_c_interface_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stp/c_interface.h" >&5
+echo $ECHO_N "checking for stp/c_interface.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stp_c_interface_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stp_c_interface_h" >&5
+echo "${ECHO_T}$ac_cv_header_stp_c_interface_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stp/c_interface.h usability" >&5
+echo $ECHO_N "checking stp/c_interface.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stp/c_interface.h>
+_ACEOF
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stp/c_interface.h presence" >&5
+echo $ECHO_N "checking stp/c_interface.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stp/c_interface.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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stp/c_interface.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stp/c_interface.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stp/c_interface.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stp/c_interface.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stp/c_interface.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stp/c_interface.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stp/c_interface.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stp/c_interface.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stp/c_interface.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------------- ##
+## Report this to daniel@minormatter.com ##
+## ------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stp/c_interface.h" >&5
+echo $ECHO_N "checking for stp/c_interface.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stp_c_interface_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stp_c_interface_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stp_c_interface_h" >&5
+echo "${ECHO_T}$ac_cv_header_stp_c_interface_h" >&6; }
+
+fi
+if test $ac_cv_header_stp_c_interface_h = yes; then
+  :
 else
 
-         as_fn_error $? "Unable to use stp/c_interface.h header" "$LINENO" 5
+         { { echo "$as_me:$LINENO: error: Unable to use stp/c_interface.h header" >&5
+echo "$as_me: error: Unable to use stp/c_interface.h header" >&2;}
+   { (exit 1); exit 1; }; }
 
 fi
 
@@ -4935,14 +5964,19 @@ fi
   STP_NEEDS_BOOST=0
 
   # Try old STP
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for vc_setInterfaceFlags in -lstp" >&5
-$as_echo_n "checking for vc_setInterfaceFlags in -lstp... " >&6; }
-if ${ac_cv_lib_stp_vc_setInterfaceFlags+:} false; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for vc_setInterfaceFlags in -lstp" >&5
+echo $ECHO_N "checking for vc_setInterfaceFlags in -lstp... $ECHO_C" >&6; }
+if test "${ac_cv_lib_stp_vc_setInterfaceFlags+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lstp -L$stp_root/lib $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -4960,18 +5994,55 @@ return vc_setInterfaceFlags ();
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest$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 $ac_status); }; }; then
   ac_cv_lib_stp_vc_setInterfaceFlags=yes
 else
-  ac_cv_lib_stp_vc_setInterfaceFlags=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_stp_vc_setInterfaceFlags=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_stp_vc_setInterfaceFlags" >&5
-$as_echo "$ac_cv_lib_stp_vc_setInterfaceFlags" >&6; }
-if test "x$ac_cv_lib_stp_vc_setInterfaceFlags" = xyes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_stp_vc_setInterfaceFlags" >&5
+echo "${ECHO_T}$ac_cv_lib_stp_vc_setInterfaceFlags" >&6; }
+if test $ac_cv_lib_stp_vc_setInterfaceFlags = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSTP 1
 _ACEOF
@@ -4980,8 +6051,8 @@ _ACEOF
 
 else
 
-         STP_NEEDS_BOOST=1 ; { $as_echo "$as_me:${as_lineno-$LINENO}: result: Could not link with libstp. Checking if newer STP is being used" >&5
-$as_echo "Could not link with libstp. Checking if newer STP is being used" >&6; }
+         STP_NEEDS_BOOST=1 ; { echo "$as_me:$LINENO: result: Could not link with libstp. Checking if newer STP is being used" >&5
+echo "${ECHO_T}Could not link with libstp. Checking if newer STP is being used" >&6; }
 
 fi
 
@@ -4991,14 +6062,19 @@ fi
     # Need to clear cached result
     unset ac_cv_lib_stp_vc_setInterfaceFlags
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for vc_setInterfaceFlags in -lstp" >&5
-$as_echo_n "checking for vc_setInterfaceFlags in -lstp... " >&6; }
-if ${ac_cv_lib_stp_vc_setInterfaceFlags+:} false; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for vc_setInterfaceFlags in -lstp" >&5
+echo $ECHO_N "checking for vc_setInterfaceFlags in -lstp... $ECHO_C" >&6; }
+if test "${ac_cv_lib_stp_vc_setInterfaceFlags+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lstp -L$stp_root/lib $UPSTREAM_STP_LINK_FLAGS  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -5016,18 +6092,55 @@ return vc_setInterfaceFlags ();
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
+rm -f conftest.$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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest$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 $ac_status); }; }; then
   ac_cv_lib_stp_vc_setInterfaceFlags=yes
 else
-  ac_cv_lib_stp_vc_setInterfaceFlags=no
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_stp_vc_setInterfaceFlags=no
 fi
+
 rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_stp_vc_setInterfaceFlags" >&5
-$as_echo "$ac_cv_lib_stp_vc_setInterfaceFlags" >&6; }
-if test "x$ac_cv_lib_stp_vc_setInterfaceFlags" = xyes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_stp_vc_setInterfaceFlags" >&5
+echo "${ECHO_T}$ac_cv_lib_stp_vc_setInterfaceFlags" >&6; }
+if test $ac_cv_lib_stp_vc_setInterfaceFlags = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSTP 1
 _ACEOF
@@ -5036,7 +6149,9 @@ _ACEOF
 
 else
 
-                 as_fn_error $? "Unable to link with libstp. Check config.log to see what went wrong" "$LINENO" 5
+                 { { echo "$as_me:$LINENO: error: Unable to link with libstp. Check config.log to see what went wrong" >&5
+echo "$as_me: error: Unable to link with libstp. Check config.log to see what went wrong" >&2;}
+   { (exit 1); exit 1; }; }
 
 fi
 
@@ -5046,8 +6161,8 @@ fi
     STP_NEEDS_BOOST=$STP_NEEDS_BOOST
 
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Using old STP" >&5
-$as_echo "Using old STP" >&6; }
+    { echo "$as_me:$LINENO: result: Using old STP" >&5
+echo "${ECHO_T}Using old STP" >&6; }
   fi
 
   STP_ROOT=$stp_root
@@ -5057,7 +6172,7 @@ fi
 
 
 # Check whether --with-metasmt was given.
-if test "${with_metasmt+set}" = set; then :
+if test "${with_metasmt+set}" = set; then
   withval=$with_metasmt;
 fi
 
@@ -5072,24 +6187,187 @@ else
   old_LDFLAGS="$LDFLAGS"
   CPPFLAGS="$CPPFLAGS -I$metasmt_root/include"
   LDFLAGS="$LDFLAGS -L$metasmt_root/lib -lmetaSMT"
-  for ac_header in $metasmt_root/include/metaSMT/DirectSolver_Context.hpp $metasmt_root/include/metaSMT/frontend/QF_BV.hpp
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+
+
+for ac_header in $metasmt_root/include/metaSMT/DirectSolver_Context.hpp $metasmt_root/include/metaSMT/frontend/QF_BV.hpp
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (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 $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$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 $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_cxx_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------------- ##
+## Report this to daniel@minormatter.com ##
+## ------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
 else
 
-         as_fn_error $? "Unable to use $metasmt_root/include/metaSMT/DirectSolver_Context.hpp header" "$LINENO" 5
+         { { echo "$as_me:$LINENO: error: Unable to use $metasmt_root/include/metaSMT/DirectSolver_Context.hpp header" >&5
+echo "$as_me: error: Unable to use $metasmt_root/include/metaSMT/DirectSolver_Context.hpp header" >&2;}
+   { (exit 1); exit 1; }; }
 
 fi
 
 done
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include $metasmt_root/include/metaSMT/frontend/QF_BV.hpp
 int
@@ -5100,19 +6378,58 @@ metaSMT::logic::QF_BV::new_bitvector(3)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
-
+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 $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag" || test ! -s conftest.err'
+  { (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 $ac_status); }; } &&
+	 { ac_try='test -s conftest$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
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for new_bitvector() in -lmetaSMT" >&5
-$as_echo_n "checking for new_bitvector() in -lmetaSMT... " >&6; }
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	{ echo "$as_me:$LINENO: checking for new_bitvector() in -lmetaSMT" >&5
+echo $ECHO_N "checking for new_bitvector() in -lmetaSMT... $ECHO_C" >&6; }
 fi
+
 rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+      conftest$ac_exeext conftest.$ac_ext
   CPPFLAGS="$old_CPPFLAGS"
   LDFLAGS="$old_LDFLAGS"
 
 
-$as_echo "#define SUPPORT_METASMT 1" >>confdefs.h
+cat >>confdefs.h <<\_ACEOF
+#define SUPPORT_METASMT 1
+_ACEOF
 
   ENABLE_METASMT=1
 
@@ -5176,13 +6493,12 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
+      *) $as_unset $ac_var ;;
       esac ;;
     esac
   done
@@ -5190,8 +6506,8 @@ $as_echo "$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"
@@ -5213,24 +6529,13 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    if test "x$cache_file" != "x/dev/null"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-$as_echo "$as_me: updating cache $cache_file" >&6;}
-      if test ! -f "$cache_file" || test -h "$cache_file"; then
-	cat confcache >"$cache_file"
-      else
-        case $cache_file in #(
-        */* | ?:*)
-	  mv -f confcache "$cache_file"$$ &&
-	  mv -f "$cache_file"$$ "$cache_file" ;; #(
-        *)
-	  mv -f confcache "$cache_file" ;;
-	esac
-      fi
-    fi
+    test "x$cache_file" != "x/dev/null" &&
+      { echo "$as_me:$LINENO: updating cache $cache_file" >&5
+echo "$as_me: updating cache $cache_file" >&6;}
+    cat confcache >$cache_file
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -5243,15 +6548,14 @@ DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
-U=
 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$//'
-  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  ac_i=`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.
-  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -5259,14 +6563,12 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: "${CONFIG_STATUS=./config.status}"
-ac_write_fail=0
+: ${CONFIG_STATUS=./config.status}
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$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
+{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -5276,79 +6578,55 @@ cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 debug=false
 ac_cs_recheck=false
 ac_cs_silent=false
-
 SHELL=\${CONFIG_SHELL-$SHELL}
-export SHELL
-_ASEOF
-cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
+_ACEOF
 
-# Be more Bourne compatible
-DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+cat >>$CONFIG_STATUS <<\_ACEOF
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
+
+# Be 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
+  # 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
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
 fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
 
 
-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'
+# 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=';'
   else
-    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'
+    PATH_SEPARATOR=:
   fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
+  rm -f conf$$.sh
 fi
 
-# 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=';'
-  }
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
 fi
 
 
@@ -5357,19 +6635,20 @@ 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.
-as_myself=
-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
 
      ;;
@@ -5380,111 +6659,32 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
 fi
 
-# 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 $as_var || :
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
 done
 PS1='$ '
 PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-
-# as_fn_error STATUS 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=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+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
-  $as_echo "$as_me: error: $2" >&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
-
+done
 
+# Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -5498,17 +6698,13 @@ 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 ||
-$as_echo X/"$0" |
+echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -5523,118 +6719,122 @@ $as_echo X/"$0" |
 	  }
 	  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
+# 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
 
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
+case `echo -n x` in
 -n*)
-  case `echo 'xy\c'` in
+  case `echo 'x\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
+  *)   ECHO_C='\c';;
   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 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -pR'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
-    as_ln_s='cp -pR'
-  fi
-else
-  as_ln_s='cp -pR'
+  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$$.exe ||
+    as_ln_s='cp -p'
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
+else
+  as_ln_s='cp -p'
 fi
 rm -f conf$$ 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 $as_dir"
-
-
-} # as_fn_mkdir_p
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p='mkdir -p "$as_dir"'
+  as_mkdir_p=:
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
 
-
-# as_fn_executable_p FILE
-# -----------------------
-# Test if FILE is an executable regular file.
-as_fn_executable_p ()
-{
-  test -f "$1" && test -x "$1"
-} # as_fn_executable_p
-as_test_x='test -x'
-as_executable_p=as_fn_executable_p
+# Find out whether ``test -x'' works.  Don't use a zero-byte file, as
+# systems may use methods other than mode bits to determine executability.
+cat >conf$$.file <<_ASEOF
+#! /bin/sh
+exit 0
+_ASEOF
+chmod +x conf$$.file
+if test -x conf$$.file >/dev/null 2>&1; then
+  as_executable_p="test -x"
+else
+  as_executable_p=:
+fi
+rm -f conf$$.file
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -5644,19 +6844,13 @@ as_tr_sh="eval sed 'y%*+%pp%;s%[^_$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
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-# Save the log message, to keep $0 and so on meaningful, and to
+# 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 KLEE $as_me 0.01, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.60.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -5669,16 +6863,7 @@ on `(hostname || uname -n) 2>/dev/null | sed 1q`
 
 _ACEOF
 
-case $ac_config_files in *"
-"*) set x $ac_config_files; shift; ac_config_files=$*;;
-esac
-
-case $ac_config_headers in *"
-"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
-esac
-
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
 # Files that config.status was made for.
 config_files="$ac_config_files"
 config_headers="$ac_config_headers"
@@ -5686,25 +6871,22 @@ config_commands="$ac_config_commands"
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 ac_cs_usage="\
-\`$as_me' instantiates files and other configuration actions
-from templates according to the current configuration.  Unless the files
-and actions are specified as TAGs, all are instantiated by default.
+\`$as_me' instantiates files from templates according to the
+current configuration.
 
-Usage: $0 [OPTION]... [TAG]...
+Usage: $0 [OPTIONS] [FILE]...
 
   -h, --help       print this help, then exit
-  -V, --version    print version number and configuration settings, then exit
-      --config     print configuration, then exit
-  -q, --quiet, --silent
-                   do not print progress messages
+  -V, --version    print version number, then exit
+  -q, --quiet      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
-      --header=FILE[:TEMPLATE]
-                   instantiate the configuration header FILE
+  --file=FILE[:TEMPLATE]
+		   instantiate the configuration file FILE
+  --header=FILE[:TEMPLATE]
+		   instantiate the configuration header FILE
 
 Configuration files:
 $config_files
@@ -5715,41 +6897,35 @@ $config_headers
 Configuration commands:
 $config_commands
 
-Report bugs to <daniel@minormatter.com>."
+Report bugs to <bug-autoconf@gnu.org>."
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
 KLEE config.status 0.01
-configured by $0, generated by GNU Autoconf 2.69,
-  with options \\"\$ac_cs_config\\"
+configured by $0, generated by GNU Autoconf 2.60,
+  with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 2006 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'
-test -n "\$AWK" || AWK=awk
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-# The default lists apply if the user does not specify any file.
+cat >>$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.
 ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
-  --*=?*)
+  --*=*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
-  --*=)
-    ac_option=`expr "X$1" : 'X\([^=]*\)='`
-    ac_optarg=
-    ac_shift=:
-    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -5762,41 +6938,34 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    $as_echo "$ac_cs_version"; exit ;;
-  --config | --confi | --conf | --con | --co | --c )
-    $as_echo "$ac_cs_config"; exit ;;
+    echo "$ac_cs_version"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
-    case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
-    '') as_fn_error $? "missing file argument" ;;
-    esac
-    as_fn_append CONFIG_FILES " '$ac_optarg'"
+    CONFIG_FILES="$CONFIG_FILES $ac_optarg"
     ac_need_defaults=false;;
   --header | --heade | --head | --hea )
     $ac_shift
-    case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
-    esac
-    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+    CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error $? "ambiguous option: \`$1'
-Try \`$0 --help' for more information.";;
+    { echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; };;
   --help | --hel | -h )
-    $as_echo "$ac_cs_usage"; exit ;;
+    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.
-  -*) as_fn_error $? "unrecognized option: \`$1'
-Try \`$0 --help' for more information." ;;
+  -*) { echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; } ;;
 
-  *) as_fn_append ac_config_targets " $1"
+  *) ac_config_targets="$ac_config_targets $1"
      ac_need_defaults=false ;;
 
   esac
@@ -5811,29 +6980,27 @@ if $ac_cs_silent; then
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
 if \$ac_cs_recheck; then
-  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='$SHELL'
+  echo "running CONFIG_SHELL=$SHELL $SHELL $0 "$ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
+  CONFIG_SHELL=$SHELL
   export CONFIG_SHELL
-  exec "\$@"
+  exec $SHELL "$0"$ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 exec 5>>config.log
 {
   echo
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  $as_echo "$ac_log"
+  echo "$ac_log"
 } >&5
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
 #
 # INIT-COMMANDS
 #
@@ -5841,7 +7008,7 @@ llvm_src="${LLVM_SRC}"
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 
 # Handling of arguments.
 for ac_config_target in $ac_config_targets
@@ -5860,7 +7027,9 @@ do
     "tools/Makefile") CONFIG_COMMANDS="$CONFIG_COMMANDS tools/Makefile" ;;
     "unittests/Makefile") CONFIG_COMMANDS="$CONFIG_COMMANDS unittests/Makefile" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+   { (exit 1); exit 1; }; };;
   esac
 done
 
@@ -5883,302 +7052,202 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp= ac_tmp=
+  tmp=
   trap 'exit_status=$?
-  : "${ac_tmp:=$tmp}"
-  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
 ' 0
-  trap 'as_fn_exit 1' 1 2 13 15
+  trap '{ (exit 1); exit 1; }' 1 2 13 15
 }
 # Create a (secure) tmp directory for tmp files.
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -d "$tmp"
+  test -n "$tmp" && test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
-ac_tmp=$tmp
-
-# Set up the scripts for CONFIG_FILES section.
-# No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with `./config.status config.h'.
-if test -n "$CONFIG_FILES"; then
+} ||
+{
+   echo "$me: cannot create a temporary directory in ." >&2
+   { (exit 1); exit 1; }
+}
 
+#
+# Set up the sed scripts for CONFIG_FILES section.
+#
 
-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=$ac_cr
-fi
+# No need to generate the scripts if there are no CONFIG_FILES.
+# This happens for instance when ./config.status config.h
+if test -n "$CONFIG_FILES"; then
 
-echo 'BEGIN {' >"$ac_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
-  . ./conf$$subs.sh ||
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+  cat >conf$$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
+LLVM_SRC!$LLVM_SRC$ac_delim
+LLVM_OBJ!$LLVM_OBJ$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
+target!$target$ac_delim
+target_cpu!$target_cpu$ac_delim
+target_vendor!$target_vendor$ac_delim
+target_os!$target_os$ac_delim
+LLVM_VERSION_MAJOR!$LLVM_VERSION_MAJOR$ac_delim
+LLVM_VERSION_MINOR!$LLVM_VERSION_MINOR$ac_delim
+LLVM_IS_RELEASE!$LLVM_IS_RELEASE$ac_delim
+REQUIRES_RTTI!$REQUIRES_RTTI$ac_delim
+LLVM_BUILD_MODE!$LLVM_BUILD_MODE$ac_delim
+llvm_gcc!$llvm_gcc$ac_delim
+llvm_gxx!$llvm_gxx$ac_delim
+clang!$clang$ac_delim
+clang_cxx!$clang_cxx$ac_delim
+KLEE_BITCODE_C_COMPILER!$KLEE_BITCODE_C_COMPILER$ac_delim
+KLEE_BITCODE_CXX_COMPILER!$KLEE_BITCODE_CXX_COMPILER$ac_delim
+ENABLE_UCLIBC!$ENABLE_UCLIBC$ac_delim
+KLEE_UCLIBC_BCA!$KLEE_UCLIBC_BCA$ac_delim
+ENABLE_POSIX_RUNTIME!$ENABLE_POSIX_RUNTIME$ac_delim
+RUNTIME_ENABLE_OPTIMIZED!$RUNTIME_ENABLE_OPTIMIZED$ac_delim
+RUNTIME_DISABLE_ASSERTIONS!$RUNTIME_DISABLE_ASSERTIONS$ac_delim
+RUNTIME_DEBUG_SYMBOLS!$RUNTIME_DEBUG_SYMBOLS$ac_delim
+RUNTIME_CONFIGURATION!$RUNTIME_CONFIGURATION$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
+HAVE_SELINUX!$HAVE_SELINUX$ac_delim
+CXX!$CXX$ac_delim
+CXXFLAGS!$CXXFLAGS$ac_delim
+ac_ct_CXX!$ac_ct_CXX$ac_delim
+CXXCPP!$CXXCPP$ac_delim
+UPSTREAM_STP_LINK_FLAGS!$UPSTREAM_STP_LINK_FLAGS$ac_delim
+STP_NEEDS_BOOST!$STP_NEEDS_BOOST$ac_delim
+STP_ROOT!$STP_ROOT$ac_delim
+ENABLE_METASMT!$ENABLE_METASMT$ac_delim
+METASMT_ROOT!$METASMT_ROOT$ac_delim
+LIBOBJS!$LIBOBJS$ac_delim
+LTLIBOBJS!$LTLIBOBJS$ac_delim
+_ACEOF
 
-  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
-  if test $ac_delim_n = $ac_delim_num; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 91; then
     break
   elif $ac_last_try; then
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
 done
-rm -f conf$$subs.sh
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
-_ACEOF
-sed -n '
-h
-s/^/S["/; s/!.*/"]=/
-p
-g
-s/^[^!]*!//
-:repl
-t repl
-s/'"$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 >>"\$ac_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
-}
+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
 
-_ACAWK
+cat >>$CONFIG_STATUS <<_ACEOF
+cat >"\$tmp/subs-1.sed" <<\CEOF$ac_eof
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b end
 _ACEOF
-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/$ac_cs_awk_cr/g"
-else
-  cat
-fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
-  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+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
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
-# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
-h
-s///
-s/^/:/
-s/[	 ]*$/:/
-s/:\$(srcdir):/:/g
-s/:\${srcdir}:/:/g
-s/:@srcdir@:/:/g
-s/^:*//
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
 s/:*$//
-x
-s/\(=[	 ]*\).*/\1/
-G
-s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 fi # test -n "$CONFIG_FILES"
 
-# Set up the scripts for CONFIG_HEADERS section.
-# No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with `./config.status Makefile'.
-if test -n "$CONFIG_HEADERS"; then
-cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
-BEGIN {
-_ACEOF
-
-# Transform confdefs.h into an awk script `defines.awk', embedded as
-# here-document in config.status, that substitutes the proper values into
-# config.h.in to produce config.h.
-
-# Create a delimiter string that does not exist in confdefs.h, to ease
-# handling of long lines.
-ac_delim='%!_!# '
-for ac_last_try in false false :; do
-  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_tt"; then
-    break
-  elif $ac_last_try; then
-    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
-  else
-    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
-  fi
-done
-
-# For the awk script, D is an array of macro values keyed by name,
-# likewise P contains macro parameters if any.  Preserve backslash
-# newline sequences.
-
-ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
-sed -n '
-s/.\{148\}/&'"$ac_delim"'/g
-t rset
-:rset
-s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
-t def
-d
-:def
-s/\\$//
-t bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3"/p
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
-d
-:bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3\\\\\\n"\\/p
-t cont
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
-t cont
-d
-:cont
-n
-s/.\{148\}/&'"$ac_delim"'/g
-t clear
-:clear
-s/\\$//
-t bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/"/p
-d
-:bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
-b cont
-' <confdefs.h | sed '
-s/'"$ac_delim"'/"\\\
-"/g' >>$CONFIG_STATUS || ac_write_fail=1
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-  for (key in D) D_is_set[key] = 1
-  FS = ""
-}
-/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
-  line = \$ 0
-  split(line, arg, " ")
-  if (arg[1] == "#") {
-    defundef = arg[2]
-    mac1 = arg[3]
-  } else {
-    defundef = substr(arg[1], 2)
-    mac1 = arg[2]
-  }
-  split(mac1, mac2, "(") #)
-  macro = mac2[1]
-  prefix = substr(line, 1, index(line, defundef) - 1)
-  if (D_is_set[macro]) {
-    # Preserve the white space surrounding the "#".
-    print prefix "define", macro P[macro] D[macro]
-    next
-  } else {
-    # Replace #undef with comments.  This is necessary, for example,
-    # in the case of _POSIX_SOURCE, which is predefined and required
-    # on some systems where configure will not decide to define it.
-    if (defundef == "undef") {
-      print "/*", prefix defundef, macro, "*/"
-      next
-    }
-  }
-}
-{ print }
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
-fi # test -n "$CONFIG_HEADERS"
 
-
-eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
-shift
-for ac_tag
+for ac_tag in  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS
 do
   case $ac_tag in
   :[FHLC]) ac_mode=$ac_tag; continue;;
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
+echo "$as_me: error: Invalid tag $ac_tag." >&2;}
+   { (exit 1); exit 1; }; };;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -6197,7 +7266,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$ac_tmp/stdin";;
+      -) ac_f="$tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -6206,34 +7275,26 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   { { 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; }; };;
       esac
-      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      as_fn_append ac_file_inputs " '$ac_f'"
+      ac_file_inputs="$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 '`
-	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
-	`' by configure.'
+    configure_input="Generated from "`IFS=:
+	  echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure."
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
+      { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$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 $ac_tag in
-    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$tmp/stdin";;
     esac
     ;;
   esac
@@ -6243,7 +7304,42 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
+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" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -6261,15 +7357,20 @@ $as_echo X"$ac_file" |
 	    q
 	  }
 	  s/.*/./; q'`
-  as_dir="$ac_dir"; as_fn_mkdir_p
+      test -d "$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; }; }; }
   ac_builddir=.
 
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`echo "$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/ ;;
@@ -6305,12 +7406,12 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 # 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=
-ac_sed_dataroot='
-/datarootdir/ {
+
+case `sed -n '/datarootdir/ {
   p
   q
 }
@@ -6318,37 +7419,36 @@ ac_sed_dataroot='
 /@docdir@/p
 /@infodir@/p
 /@localedir@/p
-/@mandir@/p'
-case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+/@mandir@/p
+' $ac_file_inputs` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<_ACEOF
   ac_datarootdir_hack='
   s&@datadir@&$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 || ac_write_fail=1
-ac_sed_extra="$ac_vpsub
+cat >>$CONFIG_STATUS <<_ACEOF
+  sed "$ac_vpsub
 $extrasub
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s|@configure_input@|$ac_sed_conf_input|;t t
+s&@configure_input@&$configure_input&;t t
 s&@top_builddir@&$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
@@ -6357,53 +7457,123 @@ s&@builddir@&$ac_builddir&;t t
 s&@abs_builddir@&$ac_abs_builddir&;t t
 s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 $ac_datarootdir_hack
-"
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
-  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+" $ac_file_inputs | sed -f "$tmp/subs-1.sed" >$tmp/out
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
-      "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&5
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined" >&2;}
-
-  rm -f "$ac_tmp/stdin"
+  { 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: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&5
+echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined." >&2;}
+
+  rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
-  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
-  esac \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+  -) cat "$tmp/out"; rm -f "$tmp/out";;
+  *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;;
+  esac
  ;;
   :H)
   #
   # CONFIG_HEADER
   #
+_ACEOF
+
+# Transform confdefs.h into a sed script `conftest.defines', that
+# substitutes the proper values into config.h.in to produce config.h.
+rm -f conftest.defines conftest.tail
+# First, append a space to every undef/define line, to ease matching.
+echo 's/$/ /' >conftest.defines
+# Then, protect against being on the right side of a sed subst, or in
+# an unquoted here document, in config.status.  If some macros were
+# called several times there might be several #defines for the same
+# symbol, which is useless.  But do not sort them, since the last
+# AC_DEFINE must be honored.
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where
+# NAME is the cpp macro being defined, VALUE is the value it is being given.
+# PARAMS is the parameter list in the macro definition--in most cases, it's
+# just an empty string.
+ac_dA='s,^\\([	 #]*\\)[^	 ]*\\([	 ]*'
+ac_dB='\\)[	 (].*,\\1define\\2'
+ac_dC=' '
+ac_dD=' ,'
+
+uniq confdefs.h |
+  sed -n '
+	t rset
+	:rset
+	s/^[	 ]*#[	 ]*define[	 ][	 ]*//
+	t ok
+	d
+	:ok
+	s/[\\&,]/\\&/g
+	s/^\('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p
+	s/^\('"$ac_word_re"'\)[	 ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p
+  ' >>conftest.defines
+
+# Remove the space that was appended to ease matching.
+# Then replace #undef with comments.  This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it.
+# (The regexp can be short, since the line contains either #define or #undef.)
+echo 's/ $//
+s,^[	 #]*u.*,/* & */,' >>conftest.defines
+
+# Break up conftest.defines:
+ac_max_sed_lines=50
+
+# First sed command is:	 sed -f defines.sed $ac_file_inputs >"$tmp/out1"
+# Second one is:	 sed -f defines.sed "$tmp/out1" >"$tmp/out2"
+# Third one will be:	 sed -f defines.sed "$tmp/out2" >"$tmp/out1"
+# et cetera.
+ac_in='$ac_file_inputs'
+ac_out='"$tmp/out1"'
+ac_nxt='"$tmp/out2"'
+
+while :
+do
+  # Write a here document:
+    cat >>$CONFIG_STATUS <<_ACEOF
+    # First, check the format of the line:
+    cat >"\$tmp/defines.sed" <<\\CEOF
+/^[	 ]*#[	 ]*undef[	 ][	 ]*$ac_word_re[	 ]*\$/b def
+/^[	 ]*#[	 ]*define[	 ][	 ]*$ac_word_re[(	 ]/b def
+b
+:def
+_ACEOF
+  sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS
+  echo 'CEOF
+    sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS
+  ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in
+  sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail
+  grep . conftest.tail >/dev/null || break
+  rm -f conftest.defines
+  mv conftest.tail conftest.defines
+done
+rm -f conftest.defines conftest.tail
+
+echo "ac_result=$ac_in" >>$CONFIG_STATUS
+cat >>$CONFIG_STATUS <<\_ACEOF
   if test x"$ac_file" != x-; then
-    {
-      $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
-    } >"$ac_tmp/config.h" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    echo "/* $configure_input  */" >"$tmp/config.h"
+    cat "$ac_result" >>"$tmp/config.h"
+    if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then
+      { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+echo "$as_me: $ac_file is unchanged" >&6;}
     else
-      rm -f "$ac_file"
-      mv "$ac_tmp/config.h" "$ac_file" \
-	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
+      rm -f $ac_file
+      mv "$tmp/config.h" $ac_file
     fi
   else
-    $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error $? "could not create -" "$LINENO" 5
+    echo "/* $configure_input  */"
+    cat "$ac_result"
   fi
+  rm -f "$tmp/out12"
  ;;
 
-  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
-$as_echo "$as_me: executing $ac_file commands" >&6;}
+  :C)  { echo "$as_me:$LINENO: executing $ac_file commands" >&5
+echo "$as_me: executing $ac_file commands" >&6;}
  ;;
   esac
 
@@ -6430,13 +7600,11 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
 done # for ac_tag
 
 
-as_fn_exit 0
+{ (exit 0); 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.
@@ -6456,10 +7624,6 @@ 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.
-  $ac_cs_success || as_fn_exit 1
-fi
-if test -n "$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;}
+  $ac_cs_success || { (exit 1); exit 1; }
 fi
 
diff --git a/include/klee/Config/config.h.in b/include/klee/Config/config.h.in
index 5e49e35d..59b8a0ba 100644
--- a/include/klee/Config/config.h.in
+++ b/include/klee/Config/config.h.in
@@ -69,9 +69,6 @@
 /* Define to the one symbol short name of this package. */
 #undef PACKAGE_TARNAME
 
-/* Define to the home page for this package. */
-#undef PACKAGE_URL
-
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION