diff --git a/configure b/configure
index 83dc727..9c913df 100755
--- a/configure
+++ b/configure
@@ -1,14 +1,14 @@
 #! /bin/sh
-# From configure.in Revision: 86045 .
+# From configure.in Revision: 86548 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for python 3.2.
+# Generated by GNU Autoconf 2.68 for python 3.2.
 #
 # Report bugs to <http://bugs.python.org/>.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
+# Foundation, Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -92,6 +92,7 @@
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -217,11 +218,18 @@
   # We cannot yet assume a decent shell, so we have to provide a
 	# neutralization value for shells without unset; and this also
 	# works around shells that cannot unset nonexistent variables.
+	# Preserve -v and -x to the replacement shell.
 	BASH_ENV=/dev/null
 	ENV=/dev/null
 	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
 	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+	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" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -320,7 +328,7 @@
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -360,19 +368,19 @@
 fi # as_fn_arith
 
 
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
+# 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 $?, using 1 if that was 0.
+# script with STATUS, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  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: $1" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -534,7 +542,7 @@
 exec 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -765,7 +773,8 @@
 LDFLAGS
 LIBS
 CPPFLAGS
-CPP'
+CPP
+CPPFLAGS'
 
 
 # Initialize some variables set by options.
@@ -828,8 +837,9 @@
   fi
 
   case $ac_option in
-  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *)	ac_optarg=yes ;;
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -874,7 +884,7 @@
     ac_useropt=`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"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -900,7 +910,7 @@
     ac_useropt=`expr "x$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"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1104,7 +1114,7 @@
     ac_useropt=`expr "x$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"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1120,7 +1130,7 @@
     ac_useropt=`expr "x$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"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1150,8 +1160,8 @@
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information."
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
     ;;
 
   *=*)
@@ -1159,7 +1169,7 @@
     # 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'" ;;
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1169,7 +1179,7 @@
     $as_echo "$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}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
   esac
@@ -1177,13 +1187,13 @@
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  as_fn_error "missing argument to $ac_option"
+  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" ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
     *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -1206,7 +1216,7 @@
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1220,8 +1230,8 @@
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used." >&2
+    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used" >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1236,9 +1246,9 @@
 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"
+  as_fn_error $? "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error "pwd does not report name of working directory"
+  as_fn_error $? "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
@@ -1277,11 +1287,11 @@
 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"
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1321,7 +1331,7 @@
       --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
@@ -1507,9 +1517,9 @@
 if $ac_init_version; then
   cat <<\_ACEOF
 python configure 3.2
-generated by GNU Autoconf 2.65
+generated by GNU Autoconf 2.68
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1553,7 +1563,7 @@
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1579,7 +1589,7 @@
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } >/dev/null && {
+  test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -1590,7 +1600,7 @@
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -1603,10 +1613,10 @@
 ac_fn_c_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  if eval \${$3+:} false; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1642,7 +1652,7 @@
 else
   ac_header_preproc=no
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
 $as_echo "$ac_header_preproc" >&6; }
 
@@ -1665,17 +1675,15 @@
 $as_echo "$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;}
-( cat <<\_ASBOX
-## -------------------------------------- ##
+( $as_echo "## -------------------------------------- ##
 ## Report this to http://bugs.python.org/ ##
-## -------------------------------------- ##
-_ASBOX
+## -------------------------------------- ##"
      ) | sed "s/^/$as_me: WARNING:     /" >&2
     ;;
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -1684,7 +1692,7 @@
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_mongrel
 
@@ -1725,7 +1733,7 @@
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -1739,7 +1747,7 @@
   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 { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1757,7 +1765,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_compile
 
@@ -1802,7 +1810,7 @@
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
@@ -1816,7 +1824,7 @@
   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 { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -1857,7 +1865,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_type
 
@@ -1870,7 +1878,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uint$2_t" >&5
 $as_echo_n "checking for uint$2_t... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -1900,8 +1908,7 @@
 esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-       eval as_val=\$$3
-   if test "x$as_val" = x""no; then :
+       if eval test \"x\$"$3"\" = x"no"; then :
 
 else
   break
@@ -1911,7 +1918,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_find_uintX_t
 
@@ -1924,7 +1931,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for int$2_t" >&5
 $as_echo_n "checking for int$2_t... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -1975,8 +1982,7 @@
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-       eval as_val=\$$3
-   if test "x$as_val" = x""no; then :
+       if eval test \"x\$"$3"\" = x"no"; then :
 
 else
   break
@@ -1986,7 +1992,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_find_intX_t
 
@@ -2163,7 +2169,7 @@
 rm -f conftest.val
 
   fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
@@ -2176,7 +2182,7 @@
   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 { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2231,7 +2237,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
 
@@ -2244,7 +2250,7 @@
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
 $as_echo_n "checking for $2.$3... " >&6; }
-if { as_var=$4; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$4+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2288,19 +2294,22 @@
 eval ac_res=\$$4
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_member
 
-# ac_fn_c_check_decl LINENO SYMBOL VAR
-# ------------------------------------
-# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
+# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
+# ---------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
 ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
-$as_echo_n "checking whether $2 is declared... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2309,8 +2318,12 @@
 int
 main ()
 {
-#ifndef $2
-  (void) $2;
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
 #endif
 
   ;
@@ -2327,7 +2340,7 @@
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_decl
 cat >config.log <<_ACEOF
@@ -2335,7 +2348,7 @@
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by python $as_me 3.2, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   $ $0 $@
 
@@ -2445,11 +2458,9 @@
   {
     echo
 
-    cat <<\_ASBOX
-## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##
-_ASBOX
+## ---------------- ##"
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -2483,11 +2494,9 @@
 )
     echo
 
-    cat <<\_ASBOX
-## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
-## ----------------- ##
-_ASBOX
+## ----------------- ##"
     echo
     for ac_var in $ac_subst_vars
     do
@@ -2500,11 +2509,9 @@
     echo
 
     if test -n "$ac_subst_files"; then
-      cat <<\_ASBOX
-## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##
-_ASBOX
+## ------------------- ##"
       echo
       for ac_var in $ac_subst_files
       do
@@ -2518,11 +2525,9 @@
     fi
 
     if test -s confdefs.h; then
-      cat <<\_ASBOX
-## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
-## ----------- ##
-_ASBOX
+## ----------- ##"
       echo
       cat confdefs.h
       echo
@@ -2577,7 +2582,12 @@
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  # 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
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -2592,7 +2602,11 @@
     { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file"
+    . "$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; }
   fi
 done
 
@@ -2668,7 +2682,7 @@
 $as_echo "$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
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
@@ -2769,7 +2783,7 @@
 		UNIVERSALSDK=$enableval
 		if test ! -d "${UNIVERSALSDK}"
 		then
-			as_fn_error "--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}" "$LINENO" 5
+			as_fn_error $? "--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}" "$LINENO" 5
 		fi
 		;;
 	esac
@@ -3161,7 +3175,7 @@
 # If the user switches compilers, we can't believe the cache
 if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
 then
-  as_fn_error "cached CC is different -- throw away $cache_file
+  as_fn_error $? "cached CC is different -- throw away $cache_file
 (it is also a good idea to do 'make clean' before compiling)" "$LINENO" 5
 fi
 
@@ -3181,7 +3195,7 @@
 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 $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3221,7 +3235,7 @@
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3274,7 +3288,7 @@
 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 $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3314,7 +3328,7 @@
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3373,7 +3387,7 @@
 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 $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3417,7 +3431,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3471,8 +3485,8 @@
 
 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; }
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -3586,9 +3600,8 @@
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "C compiler cannot create executables
-See \`config.log' for more details." "$LINENO" 5; }; }
+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; }
@@ -3630,8 +3643,8 @@
 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; }
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -3688,9 +3701,9 @@
     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.
+as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
@@ -3701,7 +3714,7 @@
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3741,8 +3754,8 @@
 
 { { $as_echo "$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; }
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -3752,7 +3765,7 @@
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3789,7 +3802,7 @@
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -3867,7 +3880,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -4002,7 +4015,7 @@
 set dummy g++; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_CXX+set}" = set; then :
+if ${ac_cv_path_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CXX in
@@ -4043,7 +4056,7 @@
 set dummy c++; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_CXX+set}" = set; then :
+if ${ac_cv_path_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CXX in
@@ -4094,7 +4107,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CXX+set}" = set; then :
+if ${ac_cv_prog_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CXX"; then
@@ -4165,7 +4178,7 @@
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -4195,7 +4208,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -4211,11 +4224,11 @@
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
   break
 fi
@@ -4254,7 +4267,7 @@
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -4270,18 +4283,18 @@
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$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; }
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -4293,7 +4306,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -4342,7 +4355,7 @@
   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
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
@@ -4356,7 +4369,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -4408,7 +4421,7 @@
   done
 IFS=$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
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -4423,7 +4436,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4540,8 +4553,7 @@
   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" "$ac_includes_default
 "
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -4553,7 +4565,7 @@
 
 
   ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
-if test "x$ac_cv_header_minix_config_h" = x""yes; then :
+if test "x$ac_cv_header_minix_config_h" = xyes; then :
   MINIX=yes
 else
   MINIX=
@@ -4575,7 +4587,7 @@
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
 $as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; }
-if test "${ac_cv_safe_to_define___extensions__+set}" = set; then :
+if ${ac_cv_safe_to_define___extensions__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4767,7 +4779,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
 $as_echo_n "checking for inline... " >&6; }
-if test "${ac_cv_c_inline+set}" = set; then :
+if ${ac_cv_c_inline+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_inline=no
@@ -4960,7 +4972,7 @@
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then :
+if ${ac_cv_prog_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -5000,7 +5012,7 @@
 set dummy ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -5054,7 +5066,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AR+set}" = set; then :
+if ${ac_cv_prog_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -5104,7 +5116,7 @@
 set dummy svnversion; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_SVNVERSION+set}" = set; then :
+if ${ac_cv_prog_SVNVERSION+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$SVNVERSION"; then
@@ -5155,16 +5167,22 @@
 esac
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  for ac_t in install-sh install.sh shtool; do
-    if test -f "$ac_dir/$ac_t"; then
-      ac_aux_dir=$ac_dir
-      ac_install_sh="$ac_aux_dir/$ac_t -c"
-      break 2
-    fi
-  done
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -5193,7 +5211,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then :
+if ${ac_cv_path_install+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5379,7 +5397,7 @@
      ac_save_cc="$CC"
      CC="$CC -fno-strict-aliasing"
      save_CFLAGS="$CFLAGS"
-     if test "${ac_cv_no_strict_aliasing+set}" = set; then :
+     if ${ac_cv_no_strict_aliasing+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5502,7 +5520,7 @@
 		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 		 else
-	           as_fn_error "proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" "$LINENO" 5
+	           as_fn_error $? "proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" "$LINENO" 5
 
 		 fi
 
@@ -5635,7 +5653,7 @@
 # options before we can check whether -Kpthread improves anything.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads are available without options" >&5
 $as_echo_n "checking whether pthreads are available without options... " >&6; }
-if test "${ac_cv_pthread_is_default+set}" = set; then :
+if ${ac_cv_pthread_is_default+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -5688,7 +5706,7 @@
 # function available.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -Kpthread" >&5
 $as_echo_n "checking whether $CC accepts -Kpthread... " >&6; }
-if test "${ac_cv_kpthread+set}" = set; then :
+if ${ac_cv_kpthread+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cc="$CC"
@@ -5737,7 +5755,7 @@
 # function available.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -Kthread" >&5
 $as_echo_n "checking whether $CC accepts -Kthread... " >&6; }
-if test "${ac_cv_kthread+set}" = set; then :
+if ${ac_cv_kthread+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cc="$CC"
@@ -5786,7 +5804,7 @@
 # function available.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -pthread" >&5
 $as_echo_n "checking whether $CC accepts -pthread... " >&6; }
-if test "${ac_cv_thread+set}" = set; then :
+if ${ac_cv_thread+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cc="$CC"
@@ -5871,7 +5889,7 @@
 # checks for header files
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5996,8 +6014,7 @@
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -6011,7 +6028,7 @@
   as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5
 $as_echo_n "checking for $ac_hdr that defines DIR... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then :
+if eval \${$as_ac_Header+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6038,8 +6055,7 @@
 eval ac_res=\$$as_ac_Header
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
 _ACEOF
@@ -6052,7 +6068,7 @@
 if test $ac_header_dirent = dirent.h; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
 $as_echo_n "checking for library containing opendir... " >&6; }
-if test "${ac_cv_search_opendir+set}" = set; then :
+if ${ac_cv_search_opendir+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -6086,11 +6102,11 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_opendir+set}" = set; then :
+  if ${ac_cv_search_opendir+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_opendir+set}" = set; then :
+if ${ac_cv_search_opendir+:} false; then :
 
 else
   ac_cv_search_opendir=no
@@ -6109,7 +6125,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5
 $as_echo_n "checking for library containing opendir... " >&6; }
-if test "${ac_cv_search_opendir+set}" = set; then :
+if ${ac_cv_search_opendir+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -6143,11 +6159,11 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_opendir+set}" = set; then :
+  if ${ac_cv_search_opendir+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_opendir+set}" = set; then :
+if ${ac_cv_search_opendir+:} false; then :
 
 else
   ac_cv_search_opendir=no
@@ -6167,7 +6183,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sys/types.h defines makedev" >&5
 $as_echo_n "checking whether sys/types.h defines makedev... " >&6; }
-if test "${ac_cv_header_sys_types_h_makedev+set}" = set; then :
+if ${ac_cv_header_sys_types_h_makedev+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6195,7 +6211,7 @@
 
 if test $ac_cv_header_sys_types_h_makedev = no; then
 ac_fn_c_check_header_mongrel "$LINENO" "sys/mkdev.h" "ac_cv_header_sys_mkdev_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_mkdev_h" = x""yes; then :
+if test "x$ac_cv_header_sys_mkdev_h" = xyes; then :
 
 $as_echo "#define MAJOR_IN_MKDEV 1" >>confdefs.h
 
@@ -6205,7 +6221,7 @@
 
   if test $ac_cv_header_sys_mkdev_h = no; then
     ac_fn_c_check_header_mongrel "$LINENO" "sys/sysmacros.h" "ac_cv_header_sys_sysmacros_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_sysmacros_h" = x""yes; then :
+if test "x$ac_cv_header_sys_sysmacros_h" = xyes; then :
 
 $as_echo "#define MAJOR_IN_SYSMACROS 1" >>confdefs.h
 
@@ -6225,7 +6241,7 @@
 #endif
 
 "
-if test "x$ac_cv_header_term_h" = x""yes; then :
+if test "x$ac_cv_header_term_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_TERM_H 1
 _ACEOF
@@ -6247,7 +6263,7 @@
 #endif
 
 "
-if test "x$ac_cv_header_linux_netlink_h" = x""yes; then :
+if test "x$ac_cv_header_linux_netlink_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LINUX_NETLINK_H 1
 _ACEOF
@@ -6406,7 +6422,7 @@
 
 # Type availability checks
 ac_fn_c_check_type "$LINENO" "mode_t" "ac_cv_type_mode_t" "$ac_includes_default"
-if test "x$ac_cv_type_mode_t" = x""yes; then :
+if test "x$ac_cv_type_mode_t" = xyes; then :
 
 else
 
@@ -6417,7 +6433,7 @@
 fi
 
 ac_fn_c_check_type "$LINENO" "off_t" "ac_cv_type_off_t" "$ac_includes_default"
-if test "x$ac_cv_type_off_t" = x""yes; then :
+if test "x$ac_cv_type_off_t" = xyes; then :
 
 else
 
@@ -6428,7 +6444,7 @@
 fi
 
 ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default"
-if test "x$ac_cv_type_pid_t" = x""yes; then :
+if test "x$ac_cv_type_pid_t" = xyes; then :
 
 else
 
@@ -6444,7 +6460,7 @@
 _ACEOF
 
 ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
-if test "x$ac_cv_type_size_t" = x""yes; then :
+if test "x$ac_cv_type_size_t" = xyes; then :
 
 else
 
@@ -6456,7 +6472,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5
 $as_echo_n "checking for uid_t in sys/types.h... " >&6; }
-if test "${ac_cv_type_uid_t+set}" = set; then :
+if ${ac_cv_type_uid_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6535,7 +6551,7 @@
 esac
 
 ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "$ac_includes_default"
-if test "x$ac_cv_type_ssize_t" = x""yes; then :
+if test "x$ac_cv_type_ssize_t" = xyes; then :
 
 $as_echo "#define HAVE_SSIZE_T 1" >>confdefs.h
 
@@ -6550,7 +6566,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
 $as_echo_n "checking size of int... " >&6; }
-if test "${ac_cv_sizeof_int+set}" = set; then :
+if ${ac_cv_sizeof_int+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"; then :
@@ -6559,9 +6575,8 @@
   if test "$ac_cv_type_int" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (int)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (int)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_int=0
    fi
@@ -6584,7 +6599,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
 $as_echo_n "checking size of long... " >&6; }
-if test "${ac_cv_sizeof_long+set}" = set; then :
+if ${ac_cv_sizeof_long+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"; then :
@@ -6593,9 +6608,8 @@
   if test "$ac_cv_type_long" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (long)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (long)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_long=0
    fi
@@ -6618,7 +6632,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
 $as_echo_n "checking size of void *... " >&6; }
-if test "${ac_cv_sizeof_void_p+set}" = set; then :
+if ${ac_cv_sizeof_void_p+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
@@ -6627,9 +6641,8 @@
   if test "$ac_cv_type_void_p" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (void *)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (void *)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_void_p=0
    fi
@@ -6652,7 +6665,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of short" >&5
 $as_echo_n "checking size of short... " >&6; }
-if test "${ac_cv_sizeof_short+set}" = set; then :
+if ${ac_cv_sizeof_short+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (short))" "ac_cv_sizeof_short"        "$ac_includes_default"; then :
@@ -6661,9 +6674,8 @@
   if test "$ac_cv_type_short" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (short)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (short)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_short=0
    fi
@@ -6686,7 +6698,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of float" >&5
 $as_echo_n "checking size of float... " >&6; }
-if test "${ac_cv_sizeof_float+set}" = set; then :
+if ${ac_cv_sizeof_float+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (float))" "ac_cv_sizeof_float"        "$ac_includes_default"; then :
@@ -6695,9 +6707,8 @@
   if test "$ac_cv_type_float" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (float)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (float)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_float=0
    fi
@@ -6720,7 +6731,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of double" >&5
 $as_echo_n "checking size of double... " >&6; }
-if test "${ac_cv_sizeof_double+set}" = set; then :
+if ${ac_cv_sizeof_double+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (double))" "ac_cv_sizeof_double"        "$ac_includes_default"; then :
@@ -6729,9 +6740,8 @@
   if test "$ac_cv_type_double" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (double)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (double)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_double=0
    fi
@@ -6754,7 +6764,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of fpos_t" >&5
 $as_echo_n "checking size of fpos_t... " >&6; }
-if test "${ac_cv_sizeof_fpos_t+set}" = set; then :
+if ${ac_cv_sizeof_fpos_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (fpos_t))" "ac_cv_sizeof_fpos_t"        "$ac_includes_default"; then :
@@ -6763,9 +6773,8 @@
   if test "$ac_cv_type_fpos_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (fpos_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (fpos_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_fpos_t=0
    fi
@@ -6788,7 +6797,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
 $as_echo_n "checking size of size_t... " >&6; }
-if test "${ac_cv_sizeof_size_t+set}" = set; then :
+if ${ac_cv_sizeof_size_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t"        "$ac_includes_default"; then :
@@ -6797,9 +6806,8 @@
   if test "$ac_cv_type_size_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (size_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (size_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_size_t=0
    fi
@@ -6822,7 +6830,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of pid_t" >&5
 $as_echo_n "checking size of pid_t... " >&6; }
-if test "${ac_cv_sizeof_pid_t+set}" = set; then :
+if ${ac_cv_sizeof_pid_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (pid_t))" "ac_cv_sizeof_pid_t"        "$ac_includes_default"; then :
@@ -6831,9 +6839,8 @@
   if test "$ac_cv_type_pid_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (pid_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (pid_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_pid_t=0
    fi
@@ -6883,7 +6890,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
 $as_echo_n "checking size of long long... " >&6; }
-if test "${ac_cv_sizeof_long_long+set}" = set; then :
+if ${ac_cv_sizeof_long_long+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
@@ -6892,9 +6899,8 @@
   if test "$ac_cv_type_long_long" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (long long)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (long long)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_long_long=0
    fi
@@ -6945,7 +6951,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long double" >&5
 $as_echo_n "checking size of long double... " >&6; }
-if test "${ac_cv_sizeof_long_double+set}" = set; then :
+if ${ac_cv_sizeof_long_double+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long double))" "ac_cv_sizeof_long_double"        "$ac_includes_default"; then :
@@ -6954,9 +6960,8 @@
   if test "$ac_cv_type_long_double" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (long double)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (long double)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_long_double=0
    fi
@@ -7008,7 +7013,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of _Bool" >&5
 $as_echo_n "checking size of _Bool... " >&6; }
-if test "${ac_cv_sizeof__Bool+set}" = set; then :
+if ${ac_cv_sizeof__Bool+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (_Bool))" "ac_cv_sizeof__Bool"        "$ac_includes_default"; then :
@@ -7017,9 +7022,8 @@
   if test "$ac_cv_type__Bool" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (_Bool)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (_Bool)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof__Bool=0
    fi
@@ -7045,7 +7049,7 @@
         #include <inttypes.h>
         #endif
 "
-if test "x$ac_cv_type_uintptr_t" = x""yes; then :
+if test "x$ac_cv_type_uintptr_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_UINTPTR_T 1
@@ -7057,7 +7061,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of uintptr_t" >&5
 $as_echo_n "checking size of uintptr_t... " >&6; }
-if test "${ac_cv_sizeof_uintptr_t+set}" = set; then :
+if ${ac_cv_sizeof_uintptr_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (uintptr_t))" "ac_cv_sizeof_uintptr_t"        "$ac_includes_default"; then :
@@ -7066,9 +7070,8 @@
   if test "$ac_cv_type_uintptr_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (uintptr_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (uintptr_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_uintptr_t=0
    fi
@@ -7094,7 +7097,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of off_t" >&5
 $as_echo_n "checking size of off_t... " >&6; }
-if test "${ac_cv_sizeof_off_t+set}" = set; then :
+if ${ac_cv_sizeof_off_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (off_t))" "ac_cv_sizeof_off_t"        "
@@ -7108,9 +7111,8 @@
   if test "$ac_cv_type_off_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (off_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (off_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_off_t=0
    fi
@@ -7154,7 +7156,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of time_t" >&5
 $as_echo_n "checking size of time_t... " >&6; }
-if test "${ac_cv_sizeof_time_t+set}" = set; then :
+if ${ac_cv_sizeof_time_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (time_t))" "ac_cv_sizeof_time_t"        "
@@ -7171,9 +7173,8 @@
   if test "$ac_cv_type_time_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (time_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (time_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_time_t=0
    fi
@@ -7230,7 +7231,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of pthread_t" >&5
 $as_echo_n "checking size of pthread_t... " >&6; }
-if test "${ac_cv_sizeof_pthread_t+set}" = set; then :
+if ${ac_cv_sizeof_pthread_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (pthread_t))" "ac_cv_sizeof_pthread_t"        "
@@ -7244,9 +7245,8 @@
   if test "$ac_cv_type_pthread_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (pthread_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (pthread_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_pthread_t=0
    fi
@@ -7333,7 +7333,7 @@
     		MACOSX_DEFAULT_ARCH="ppc"
     		;;
     	*)
-    		as_fn_error "Unexpected output of 'arch' on OSX" "$LINENO" 5
+    		as_fn_error $? "Unexpected output of 'arch' on OSX" "$LINENO" 5
     		;;
     	esac
     else
@@ -7345,7 +7345,7 @@
     		MACOSX_DEFAULT_ARCH="ppc64"
     		;;
     	*)
-    		as_fn_error "Unexpected output of 'arch' on OSX" "$LINENO" 5
+    		as_fn_error $? "Unexpected output of 'arch' on OSX" "$LINENO" 5
     		;;
     	esac
 
@@ -7371,7 +7371,7 @@
 $as_echo "yes" >&6; }
 	if test $enable_shared = "yes"
 	then
-		as_fn_error "Specifying both --enable-shared and --enable-framework is not supported, use only --enable-framework instead" "$LINENO" 5
+		as_fn_error $? "Specifying both --enable-shared and --enable-framework is not supported, use only --enable-framework instead" "$LINENO" 5
 	fi
 else
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
@@ -7678,7 +7678,7 @@
 # checks for libraries
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
+if ${ac_cv_lib_dl_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7712,7 +7712,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = x""yes; then :
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBDL 1
 _ACEOF
@@ -7723,7 +7723,7 @@
 	# Dynamic linking for SunOS/Solaris and SYSV
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
 $as_echo_n "checking for shl_load in -ldld... " >&6; }
-if test "${ac_cv_lib_dld_shl_load+set}" = set; then :
+if ${ac_cv_lib_dld_shl_load+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7757,7 +7757,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
 $as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test "x$ac_cv_lib_dld_shl_load" = x""yes; then :
+if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBDLD 1
 _ACEOF
@@ -7771,7 +7771,7 @@
 if test "$with_threads" = "yes" -o -z "$with_threads"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sem_init" >&5
 $as_echo_n "checking for library containing sem_init... " >&6; }
-if test "${ac_cv_search_sem_init+set}" = set; then :
+if ${ac_cv_search_sem_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -7805,11 +7805,11 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_sem_init+set}" = set; then :
+  if ${ac_cv_search_sem_init+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_sem_init+set}" = set; then :
+if ${ac_cv_search_sem_init+:} false; then :
 
 else
   ac_cv_search_sem_init=no
@@ -7832,7 +7832,7 @@
 # check if we need libintl for locale functions
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for textdomain in -lintl" >&5
 $as_echo_n "checking for textdomain in -lintl... " >&6; }
-if test "${ac_cv_lib_intl_textdomain+set}" = set; then :
+if ${ac_cv_lib_intl_textdomain+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7866,7 +7866,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_intl_textdomain" >&5
 $as_echo "$ac_cv_lib_intl_textdomain" >&6; }
-if test "x$ac_cv_lib_intl_textdomain" = x""yes; then :
+if test "x$ac_cv_lib_intl_textdomain" = xyes; then :
 
 $as_echo "#define WITH_LIBINTL 1" >>confdefs.h
 
@@ -7913,7 +7913,7 @@
 # Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for t_open in -lnsl" >&5
 $as_echo_n "checking for t_open in -lnsl... " >&6; }
-if test "${ac_cv_lib_nsl_t_open+set}" = set; then :
+if ${ac_cv_lib_nsl_t_open+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7947,13 +7947,13 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_t_open" >&5
 $as_echo "$ac_cv_lib_nsl_t_open" >&6; }
-if test "x$ac_cv_lib_nsl_t_open" = x""yes; then :
+if test "x$ac_cv_lib_nsl_t_open" = xyes; then :
   LIBS="-lnsl $LIBS"
 fi
  # SVR4
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 $as_echo_n "checking for socket in -lsocket... " >&6; }
-if test "${ac_cv_lib_socket_socket+set}" = set; then :
+if ${ac_cv_lib_socket_socket+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7987,7 +7987,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
 $as_echo "$ac_cv_lib_socket_socket" >&6; }
-if test "x$ac_cv_lib_socket_socket" = x""yes; then :
+if test "x$ac_cv_lib_socket_socket" = xyes; then :
   LIBS="-lsocket $LIBS"
 fi
  # SVR4 sockets
@@ -8013,7 +8013,7 @@
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -8056,7 +8056,7 @@
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -8167,12 +8167,12 @@
   withval=$with_dbmliborder;
 if test x$with_dbmliborder = xyes
 then
-as_fn_error "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
+as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
 else
   for db in `echo $with_dbmliborder | sed 's/:/ /g'`; do
     if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb
     then
-      as_fn_error "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
+      as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
     fi
   done
 fi
@@ -8338,7 +8338,7 @@
     $as_echo "#define _REENTRANT 1" >>confdefs.h
 
     ac_fn_c_check_header_mongrel "$LINENO" "cthreads.h" "ac_cv_header_cthreads_h" "$ac_includes_default"
-if test "x$ac_cv_header_cthreads_h" = x""yes; then :
+if test "x$ac_cv_header_cthreads_h" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     $as_echo "#define C_THREADS 1" >>confdefs.h
@@ -8351,7 +8351,7 @@
 else
 
     ac_fn_c_check_header_mongrel "$LINENO" "mach/cthreads.h" "ac_cv_header_mach_cthreads_h" "$ac_includes_default"
-if test "x$ac_cv_header_mach_cthreads_h" = x""yes; then :
+if test "x$ac_cv_header_mach_cthreads_h" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     $as_echo "#define C_THREADS 1" >>confdefs.h
@@ -8395,7 +8395,7 @@
 
     LIBS=$_libs
     ac_fn_c_check_func "$LINENO" "pthread_detach" "ac_cv_func_pthread_detach"
-if test "x$ac_cv_func_pthread_detach" = x""yes; then :
+if test "x$ac_cv_func_pthread_detach" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8404,7 +8404,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthreads" >&5
 $as_echo_n "checking for pthread_create in -lpthreads... " >&6; }
-if test "${ac_cv_lib_pthreads_pthread_create+set}" = set; then :
+if ${ac_cv_lib_pthreads_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8438,7 +8438,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreads_pthread_create" >&5
 $as_echo "$ac_cv_lib_pthreads_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthreads_pthread_create" = x""yes; then :
+if test "x$ac_cv_lib_pthreads_pthread_create" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8448,7 +8448,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lc_r" >&5
 $as_echo_n "checking for pthread_create in -lc_r... " >&6; }
-if test "${ac_cv_lib_c_r_pthread_create+set}" = set; then :
+if ${ac_cv_lib_c_r_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8482,7 +8482,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_r_pthread_create" >&5
 $as_echo "$ac_cv_lib_c_r_pthread_create" >&6; }
-if test "x$ac_cv_lib_c_r_pthread_create" = x""yes; then :
+if test "x$ac_cv_lib_c_r_pthread_create" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8492,7 +8492,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __pthread_create_system in -lpthread" >&5
 $as_echo_n "checking for __pthread_create_system in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread___pthread_create_system+set}" = set; then :
+if ${ac_cv_lib_pthread___pthread_create_system+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8526,7 +8526,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread___pthread_create_system" >&5
 $as_echo "$ac_cv_lib_pthread___pthread_create_system" >&6; }
-if test "x$ac_cv_lib_pthread___pthread_create_system" = x""yes; then :
+if test "x$ac_cv_lib_pthread___pthread_create_system" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8536,7 +8536,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lcma" >&5
 $as_echo_n "checking for pthread_create in -lcma... " >&6; }
-if test "${ac_cv_lib_cma_pthread_create+set}" = set; then :
+if ${ac_cv_lib_cma_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8570,7 +8570,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cma_pthread_create" >&5
 $as_echo "$ac_cv_lib_cma_pthread_create" >&6; }
-if test "x$ac_cv_lib_cma_pthread_create" = x""yes; then :
+if test "x$ac_cv_lib_cma_pthread_create" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     posix_threads=yes
@@ -8602,7 +8602,7 @@
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for usconfig in -lmpc" >&5
 $as_echo_n "checking for usconfig in -lmpc... " >&6; }
-if test "${ac_cv_lib_mpc_usconfig+set}" = set; then :
+if ${ac_cv_lib_mpc_usconfig+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8636,7 +8636,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpc_usconfig" >&5
 $as_echo "$ac_cv_lib_mpc_usconfig" >&6; }
-if test "x$ac_cv_lib_mpc_usconfig" = x""yes; then :
+if test "x$ac_cv_lib_mpc_usconfig" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
     LIBS="$LIBS -lmpc"
@@ -8648,7 +8648,7 @@
     if test "$posix_threads" != "yes"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for thr_create in -lthread" >&5
 $as_echo_n "checking for thr_create in -lthread... " >&6; }
-if test "${ac_cv_lib_thread_thr_create+set}" = set; then :
+if ${ac_cv_lib_thread_thr_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -8682,7 +8682,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_thread_thr_create" >&5
 $as_echo "$ac_cv_lib_thread_thr_create" >&6; }
-if test "x$ac_cv_lib_thread_thr_create" = x""yes; then :
+if test "x$ac_cv_lib_thread_thr_create" = xyes; then :
   $as_echo "#define WITH_THREAD 1" >>confdefs.h
 
       LIBS="$LIBS -lthread"
@@ -8731,7 +8731,7 @@
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking if PTHREAD_SCOPE_SYSTEM is supported" >&5
 $as_echo_n "checking if PTHREAD_SCOPE_SYSTEM is supported... " >&6; }
-      if test "${ac_cv_pthread_system_supported+set}" = set; then :
+      if ${ac_cv_pthread_system_supported+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -8774,7 +8774,7 @@
       for ac_func in pthread_sigmask
 do :
   ac_fn_c_check_func "$LINENO" "pthread_sigmask" "ac_cv_func_pthread_sigmask"
-if test "x$ac_cv_func_pthread_sigmask" = x""yes; then :
+if test "x$ac_cv_func_pthread_sigmask" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_PTHREAD_SIGMASK 1
 _ACEOF
@@ -9166,12 +9166,12 @@
 $as_echo "$with_valgrind" >&6; }
 if test "$with_valgrind" != no; then
     ac_fn_c_check_header_mongrel "$LINENO" "valgrind/valgrind.h" "ac_cv_header_valgrind_valgrind_h" "$ac_includes_default"
-if test "x$ac_cv_header_valgrind_valgrind_h" = x""yes; then :
+if test "x$ac_cv_header_valgrind_valgrind_h" = xyes; then :
 
 $as_echo "#define WITH_VALGRIND 1" >>confdefs.h
 
 else
-  as_fn_error "Valgrind support requested but headers not available" "$LINENO" 5
+  as_fn_error $? "Valgrind support requested but headers not available" "$LINENO" 5
 
 fi
 
@@ -9188,7 +9188,7 @@
 for ac_func in dlopen
 do :
   ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = x""yes; then :
+if test "x$ac_cv_func_dlopen" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_DLOPEN 1
 _ACEOF
@@ -9265,8 +9265,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -9516,7 +9515,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock declaration" >&5
 $as_echo_n "checking for flock declaration... " >&6; }
-if test "${ac_cv_flock_decl+set}" = set; then :
+if ${ac_cv_flock_decl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9546,7 +9545,7 @@
   for ac_func in flock
 do :
   ac_fn_c_check_func "$LINENO" "flock" "ac_cv_func_flock"
-if test "x$ac_cv_func_flock" = x""yes; then :
+if test "x$ac_cv_func_flock" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_FLOCK 1
 _ACEOF
@@ -9554,7 +9553,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock in -lbsd" >&5
 $as_echo_n "checking for flock in -lbsd... " >&6; }
-if test "${ac_cv_lib_bsd_flock+set}" = set; then :
+if ${ac_cv_lib_bsd_flock+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9588,7 +9587,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_flock" >&5
 $as_echo "$ac_cv_lib_bsd_flock" >&6; }
-if test "x$ac_cv_lib_bsd_flock" = x""yes; then :
+if test "x$ac_cv_lib_bsd_flock" = xyes; then :
   $as_echo "#define HAVE_FLOCK 1" >>confdefs.h
 
 
@@ -9637,7 +9636,7 @@
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_TRUE+set}" = set; then :
+if ${ac_cv_prog_TRUE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$TRUE"; then
@@ -9677,7 +9676,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_aton in -lc" >&5
 $as_echo_n "checking for inet_aton in -lc... " >&6; }
-if test "${ac_cv_lib_c_inet_aton+set}" = set; then :
+if ${ac_cv_lib_c_inet_aton+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9711,12 +9710,12 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_inet_aton" >&5
 $as_echo "$ac_cv_lib_c_inet_aton" >&6; }
-if test "x$ac_cv_lib_c_inet_aton" = x""yes; then :
+if test "x$ac_cv_lib_c_inet_aton" = xyes; then :
   $ac_cv_prog_TRUE
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_aton in -lresolv" >&5
 $as_echo_n "checking for inet_aton in -lresolv... " >&6; }
-if test "${ac_cv_lib_resolv_inet_aton+set}" = set; then :
+if ${ac_cv_lib_resolv_inet_aton+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9750,7 +9749,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_inet_aton" >&5
 $as_echo "$ac_cv_lib_resolv_inet_aton" >&6; }
-if test "x$ac_cv_lib_resolv_inet_aton" = x""yes; then :
+if test "x$ac_cv_lib_resolv_inet_aton" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBRESOLV 1
 _ACEOF
@@ -9767,7 +9766,7 @@
 # exit Python
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for chflags" >&5
 $as_echo_n "checking for chflags... " >&6; }
-if test "${ac_cv_have_chflags+set}" = set; then :
+if ${ac_cv_have_chflags+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -9801,7 +9800,7 @@
 $as_echo "$ac_cv_have_chflags" >&6; }
 if test "$ac_cv_have_chflags" = cross ; then
   ac_fn_c_check_func "$LINENO" "chflags" "ac_cv_func_chflags"
-if test "x$ac_cv_func_chflags" = x""yes; then :
+if test "x$ac_cv_func_chflags" = xyes; then :
   ac_cv_have_chflags="yes"
 else
   ac_cv_have_chflags="no"
@@ -9816,7 +9815,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for lchflags" >&5
 $as_echo_n "checking for lchflags... " >&6; }
-if test "${ac_cv_have_lchflags+set}" = set; then :
+if ${ac_cv_have_lchflags+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -9850,7 +9849,7 @@
 $as_echo "$ac_cv_have_lchflags" >&6; }
 if test "$ac_cv_have_lchflags" = cross ; then
   ac_fn_c_check_func "$LINENO" "lchflags" "ac_cv_func_lchflags"
-if test "x$ac_cv_func_lchflags" = x""yes; then :
+if test "x$ac_cv_func_lchflags" = xyes; then :
   ac_cv_have_lchflags="yes"
 else
   ac_cv_have_lchflags="no"
@@ -9874,7 +9873,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inflateCopy in -lz" >&5
 $as_echo_n "checking for inflateCopy in -lz... " >&6; }
-if test "${ac_cv_lib_z_inflateCopy+set}" = set; then :
+if ${ac_cv_lib_z_inflateCopy+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9908,7 +9907,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_inflateCopy" >&5
 $as_echo "$ac_cv_lib_z_inflateCopy" >&6; }
-if test "x$ac_cv_lib_z_inflateCopy" = x""yes; then :
+if test "x$ac_cv_lib_z_inflateCopy" = xyes; then :
 
 $as_echo "#define HAVE_ZLIB_COPY 1" >>confdefs.h
 
@@ -10051,7 +10050,7 @@
 for ac_func in openpty
 do :
   ac_fn_c_check_func "$LINENO" "openpty" "ac_cv_func_openpty"
-if test "x$ac_cv_func_openpty" = x""yes; then :
+if test "x$ac_cv_func_openpty" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_OPENPTY 1
 _ACEOF
@@ -10059,7 +10058,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for openpty in -lutil" >&5
 $as_echo_n "checking for openpty in -lutil... " >&6; }
-if test "${ac_cv_lib_util_openpty+set}" = set; then :
+if ${ac_cv_lib_util_openpty+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10093,13 +10092,13 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_openpty" >&5
 $as_echo "$ac_cv_lib_util_openpty" >&6; }
-if test "x$ac_cv_lib_util_openpty" = x""yes; then :
+if test "x$ac_cv_lib_util_openpty" = xyes; then :
   $as_echo "#define HAVE_OPENPTY 1" >>confdefs.h
  LIBS="$LIBS -lutil"
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for openpty in -lbsd" >&5
 $as_echo_n "checking for openpty in -lbsd... " >&6; }
-if test "${ac_cv_lib_bsd_openpty+set}" = set; then :
+if ${ac_cv_lib_bsd_openpty+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10133,7 +10132,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_openpty" >&5
 $as_echo "$ac_cv_lib_bsd_openpty" >&6; }
-if test "x$ac_cv_lib_bsd_openpty" = x""yes; then :
+if test "x$ac_cv_lib_bsd_openpty" = xyes; then :
   $as_echo "#define HAVE_OPENPTY 1" >>confdefs.h
  LIBS="$LIBS -lbsd"
 fi
@@ -10148,7 +10147,7 @@
 for ac_func in forkpty
 do :
   ac_fn_c_check_func "$LINENO" "forkpty" "ac_cv_func_forkpty"
-if test "x$ac_cv_func_forkpty" = x""yes; then :
+if test "x$ac_cv_func_forkpty" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_FORKPTY 1
 _ACEOF
@@ -10156,7 +10155,7 @@
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lutil" >&5
 $as_echo_n "checking for forkpty in -lutil... " >&6; }
-if test "${ac_cv_lib_util_forkpty+set}" = set; then :
+if ${ac_cv_lib_util_forkpty+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10190,13 +10189,13 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_util_forkpty" >&5
 $as_echo "$ac_cv_lib_util_forkpty" >&6; }
-if test "x$ac_cv_lib_util_forkpty" = x""yes; then :
+if test "x$ac_cv_lib_util_forkpty" = xyes; then :
   $as_echo "#define HAVE_FORKPTY 1" >>confdefs.h
  LIBS="$LIBS -lutil"
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lbsd" >&5
 $as_echo_n "checking for forkpty in -lbsd... " >&6; }
-if test "${ac_cv_lib_bsd_forkpty+set}" = set; then :
+if ${ac_cv_lib_bsd_forkpty+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -10230,7 +10229,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_forkpty" >&5
 $as_echo "$ac_cv_lib_bsd_forkpty" >&6; }
-if test "x$ac_cv_lib_bsd_forkpty" = x""yes; then :
+if test "x$ac_cv_lib_bsd_forkpty" = xyes; then :
   $as_echo "#define HAVE_FORKPTY 1" >>confdefs.h
  LIBS="$LIBS -lbsd"
 fi
@@ -10247,7 +10246,7 @@
 for ac_func in memmove
 do :
   ac_fn_c_check_func "$LINENO" "memmove" "ac_cv_func_memmove"
-if test "x$ac_cv_func_memmove" = x""yes; then :
+if test "x$ac_cv_func_memmove" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_MEMMOVE 1
 _ACEOF
@@ -10261,8 +10260,7 @@
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -10271,31 +10269,50 @@
 done
 
 
-for ac_func in dup2 getcwd strdup
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+ac_fn_c_check_func "$LINENO" "dup2" "ac_cv_func_dup2"
+if test "x$ac_cv_func_dup2" = xyes; then :
+  $as_echo "#define HAVE_DUP2 1" >>confdefs.h
 
 else
   case " $LIBOBJS " in
-  *" $ac_func.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+  *" dup2.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS dup2.$ac_objext"
  ;;
 esac
 
 fi
-done
+
+ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
+if test "x$ac_cv_func_getcwd" = xyes; then :
+  $as_echo "#define HAVE_GETCWD 1" >>confdefs.h
+
+else
+  case " $LIBOBJS " in
+  *" getcwd.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS getcwd.$ac_objext"
+ ;;
+esac
+
+fi
+
+ac_fn_c_check_func "$LINENO" "strdup" "ac_cv_func_strdup"
+if test "x$ac_cv_func_strdup" = xyes; then :
+  $as_echo "#define HAVE_STRDUP 1" >>confdefs.h
+
+else
+  case " $LIBOBJS " in
+  *" strdup.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS strdup.$ac_objext"
+ ;;
+esac
+
+fi
 
 
 for ac_func in getpgrp
 do :
   ac_fn_c_check_func "$LINENO" "getpgrp" "ac_cv_func_getpgrp"
-if test "x$ac_cv_func_getpgrp" = x""yes; then :
+if test "x$ac_cv_func_getpgrp" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETPGRP 1
 _ACEOF
@@ -10323,7 +10340,7 @@
 for ac_func in setpgrp
 do :
   ac_fn_c_check_func "$LINENO" "setpgrp" "ac_cv_func_setpgrp"
-if test "x$ac_cv_func_setpgrp" = x""yes; then :
+if test "x$ac_cv_func_setpgrp" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SETPGRP 1
 _ACEOF
@@ -10351,7 +10368,7 @@
 for ac_func in gettimeofday
 do :
   ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
-if test "x$ac_cv_func_gettimeofday" = x""yes; then :
+if test "x$ac_cv_func_gettimeofday" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETTIMEOFDAY 1
 _ACEOF
@@ -10453,7 +10470,7 @@
 then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking getaddrinfo bug" >&5
 $as_echo_n "checking getaddrinfo bug... " >&6; }
-  if test "${ac_cv_buggy_getaddrinfo+set}" = set; then :
+  if ${ac_cv_buggy_getaddrinfo+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -10582,7 +10599,7 @@
 for ac_func in getnameinfo
 do :
   ac_fn_c_check_func "$LINENO" "getnameinfo" "ac_cv_func_getnameinfo"
-if test "x$ac_cv_func_getnameinfo" = x""yes; then :
+if test "x$ac_cv_func_getnameinfo" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETNAMEINFO 1
 _ACEOF
@@ -10594,7 +10611,7 @@
 # checks for structures
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5
 $as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
-if test "${ac_cv_header_time+set}" = set; then :
+if ${ac_cv_header_time+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10629,7 +10646,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5
 $as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; }
-if test "${ac_cv_struct_tm+set}" = set; then :
+if ${ac_cv_struct_tm+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10666,7 +10683,7 @@
 #include <$ac_cv_struct_tm>
 
 "
-if test "x$ac_cv_member_struct_tm_tm_zone" = x""yes; then :
+if test "x$ac_cv_member_struct_tm_tm_zone" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_TM_TM_ZONE 1
@@ -10682,7 +10699,7 @@
 else
   ac_fn_c_check_decl "$LINENO" "tzname" "ac_cv_have_decl_tzname" "#include <time.h>
 "
-if test "x$ac_cv_have_decl_tzname" = x""yes; then :
+if test "x$ac_cv_have_decl_tzname" = xyes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -10694,7 +10711,7 @@
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tzname" >&5
 $as_echo_n "checking for tzname... " >&6; }
-if test "${ac_cv_var_tzname+set}" = set; then :
+if ${ac_cv_var_tzname+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10730,7 +10747,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_rdev" "ac_cv_member_struct_stat_st_rdev" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_rdev" = x""yes; then :
+if test "x$ac_cv_member_struct_stat_st_rdev" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_RDEV 1
@@ -10740,7 +10757,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_blksize" "ac_cv_member_struct_stat_st_blksize" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_blksize" = x""yes; then :
+if test "x$ac_cv_member_struct_stat_st_blksize" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_BLKSIZE 1
@@ -10750,7 +10767,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_flags" "ac_cv_member_struct_stat_st_flags" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_flags" = x""yes; then :
+if test "x$ac_cv_member_struct_stat_st_flags" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_FLAGS 1
@@ -10760,7 +10777,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_gen" "ac_cv_member_struct_stat_st_gen" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_gen" = x""yes; then :
+if test "x$ac_cv_member_struct_stat_st_gen" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_GEN 1
@@ -10770,7 +10787,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_birthtime" "ac_cv_member_struct_stat_st_birthtime" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_birthtime" = x""yes; then :
+if test "x$ac_cv_member_struct_stat_st_birthtime" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_BIRTHTIME 1
@@ -10780,7 +10797,7 @@
 fi
 
 ac_fn_c_check_member "$LINENO" "struct stat" "st_blocks" "ac_cv_member_struct_stat_st_blocks" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_blocks" = x""yes; then :
+if test "x$ac_cv_member_struct_stat_st_blocks" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_STAT_ST_BLOCKS 1
@@ -10802,7 +10819,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for time.h that defines altzone" >&5
 $as_echo_n "checking for time.h that defines altzone... " >&6; }
-if test "${ac_cv_header_time_altzone+set}" = set; then :
+if ${ac_cv_header_time_altzone+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -10866,7 +10883,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for addrinfo" >&5
 $as_echo_n "checking for addrinfo... " >&6; }
-if test "${ac_cv_struct_addrinfo+set}" = set; then :
+if ${ac_cv_struct_addrinfo+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10898,7 +10915,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sockaddr_storage" >&5
 $as_echo_n "checking for sockaddr_storage... " >&6; }
-if test "${ac_cv_struct_sockaddr_storage+set}" = set; then :
+if ${ac_cv_struct_sockaddr_storage+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10934,7 +10951,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
 $as_echo_n "checking whether char is unsigned... " >&6; }
-if test "${ac_cv_c_char_unsigned+set}" = set; then :
+if ${ac_cv_c_char_unsigned+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10966,7 +10983,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 $as_echo_n "checking for an ANSI C-conforming const... " >&6; }
-if test "${ac_cv_c_const+set}" = set; then :
+if ${ac_cv_c_const+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -11254,7 +11271,7 @@
 
 
 ac_fn_c_check_func "$LINENO" "gethostbyname_r" "ac_cv_func_gethostbyname_r"
-if test "x$ac_cv_func_gethostbyname_r" = x""yes; then :
+if test "x$ac_cv_func_gethostbyname_r" = xyes; then :
 
   $as_echo "#define HAVE_GETHOSTBYNAME_R 1" >>confdefs.h
 
@@ -11385,7 +11402,7 @@
   for ac_func in gethostbyname
 do :
   ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
-if test "x$ac_cv_func_gethostbyname" = x""yes; then :
+if test "x$ac_cv_func_gethostbyname" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETHOSTBYNAME 1
 _ACEOF
@@ -11407,12 +11424,12 @@
 
 # Linux requires this for correct f.p. operations
 ac_fn_c_check_func "$LINENO" "__fpu_control" "ac_cv_func___fpu_control"
-if test "x$ac_cv_func___fpu_control" = x""yes; then :
+if test "x$ac_cv_func___fpu_control" = xyes; then :
 
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __fpu_control in -lieee" >&5
 $as_echo_n "checking for __fpu_control in -lieee... " >&6; }
-if test "${ac_cv_lib_ieee___fpu_control+set}" = set; then :
+if ${ac_cv_lib_ieee___fpu_control+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -11446,7 +11463,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ieee___fpu_control" >&5
 $as_echo "$ac_cv_lib_ieee___fpu_control" >&6; }
-if test "x$ac_cv_lib_ieee___fpu_control" = x""yes; then :
+if test "x$ac_cv_lib_ieee___fpu_control" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBIEEE 1
 _ACEOF
@@ -11502,7 +11519,7 @@
 then LIBM=$withval
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: set LIBM=\"$withval\"" >&5
 $as_echo "set LIBM=\"$withval\"" >&6; }
-else as_fn_error "proper usage is --with-libm=STRING" "$LINENO" 5
+else as_fn_error $? "proper usage is --with-libm=STRING" "$LINENO" 5
 fi
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: default LIBM=\"$LIBM\"" >&5
@@ -11526,7 +11543,7 @@
 then LIBC=$withval
      { $as_echo "$as_me:${as_lineno-$LINENO}: result: set LIBC=\"$withval\"" >&5
 $as_echo "set LIBC=\"$withval\"" >&6; }
-else as_fn_error "proper usage is --with-libc=STRING" "$LINENO" 5
+else as_fn_error $? "proper usage is --with-libc=STRING" "$LINENO" 5
 fi
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: default LIBC=\"$LIBC\"" >&5
@@ -11540,7 +11557,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C doubles are little-endian IEEE 754 binary64" >&5
 $as_echo_n "checking whether C doubles are little-endian IEEE 754 binary64... " >&6; }
-if test "${ac_cv_little_endian_double+set}" = set; then :
+if ${ac_cv_little_endian_double+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11582,7 +11599,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C doubles are big-endian IEEE 754 binary64" >&5
 $as_echo_n "checking whether C doubles are big-endian IEEE 754 binary64... " >&6; }
-if test "${ac_cv_big_endian_double+set}" = set; then :
+if ${ac_cv_big_endian_double+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11628,7 +11645,7 @@
 # conversions work.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C doubles are ARM mixed-endian IEEE 754 binary64" >&5
 $as_echo_n "checking whether C doubles are ARM mixed-endian IEEE 754 binary64... " >&6; }
-if test "${ac_cv_mixed_endian_double+set}" = set; then :
+if ${ac_cv_mixed_endian_double+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11772,11 +11789,70 @@
 LIBS_SAVE=$LIBS
 LIBS="$LIBS $LIBM"
 
+for ac_func in acosh asinh atanh copysign erf erfc expm1 finite gamma
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+for ac_func in hypot lgamma log1p round tgamma
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+ac_fn_c_check_decl "$LINENO" "isinf" "ac_cv_have_decl_isinf" "#include <math.h>
+"
+if test "x$ac_cv_have_decl_isinf" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_ISINF $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "isnan" "ac_cv_have_decl_isnan" "#include <math.h>
+"
+if test "x$ac_cv_have_decl_isnan" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_ISNAN $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "isfinite" "ac_cv_have_decl_isfinite" "#include <math.h>
+"
+if test "x$ac_cv_have_decl_isfinite" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_ISFINITE $ac_have_decl
+_ACEOF
+
+
 # On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of
 # -0. on some architectures.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether tanh preserves the sign of zero" >&5
 $as_echo_n "checking whether tanh preserves the sign of zero... " >&6; }
-if test "${ac_cv_tanh_preserves_zero_sign+set}" = set; then :
+if ${ac_cv_tanh_preserves_zero_sign+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -11818,66 +11894,54 @@
 
 fi
 
-for ac_func in acosh asinh atanh copysign erf erfc expm1 finite gamma
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-done
-
-for ac_func in hypot lgamma log1p round tgamma
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-eval as_val=\$$as_ac_var
-   if test "x$as_val" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-done
-
-ac_fn_c_check_decl "$LINENO" "isinf" "ac_cv_have_decl_isinf" "#include <math.h>
-"
-if test "x$ac_cv_have_decl_isinf" = x""yes; then :
-  ac_have_decl=1
+if test "$ac_cv_func_log1p" = yes
+then
+    # On some versions of AIX, log1p(-0.) returns 0. instead of
+    # -0.  See issue #9920.
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether log1p drops the sign of negative zero" >&5
+$as_echo_n "checking whether log1p drops the sign of negative zero... " >&6; }
+    if ${ac_cv_log1p_drops_zero_sign+:} false; then :
+  $as_echo_n "(cached) " >&6
 else
-  ac_have_decl=0
-fi
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_ISINF $ac_have_decl
-_ACEOF
-ac_fn_c_check_decl "$LINENO" "isnan" "ac_cv_have_decl_isnan" "#include <math.h>
-"
-if test "x$ac_cv_have_decl_isnan" = x""yes; then :
-  ac_have_decl=1
+    if test "$cross_compiling" = yes; then :
+  ac_cv_log1p_drops_zero_sign=no
 else
-  ac_have_decl=0
-fi
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_ISNAN $ac_have_decl
+    #include <math.h>
+    #include <stdlib.h>
+    int main() {
+        /* Fail if the signs of log1p(-0.) and -0. can be
+	   distinguished. */
+        if (atan2(log1p(-0.), -1.) == atan2(-0., -1.))
+            return 0;
+        else
+            return 1;
+    }
+
 _ACEOF
-ac_fn_c_check_decl "$LINENO" "isfinite" "ac_cv_have_decl_isfinite" "#include <math.h>
-"
-if test "x$ac_cv_have_decl_isfinite" = x""yes; then :
-  ac_have_decl=1
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_log1p_drops_zero_sign=no
 else
-  ac_have_decl=0
+  ac_cv_log1p_drops_zero_sign=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_ISFINITE $ac_have_decl
-_ACEOF
+fi
 
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_log1p_drops_zero_sign" >&5
+$as_echo "$ac_cv_log1p_drops_zero_sign" >&6; }
+fi
+if test "$ac_cv_log1p_drops_zero_sign" = yes
+then
+
+$as_echo "#define LOG1P_DROPS_ZERO_SIGN 1" >>confdefs.h
+
+fi
 
 LIBS=$LIBS_SAVE
 
@@ -11888,7 +11952,7 @@
 # sem_open results in a 'Signal 12' error.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether POSIX semaphores are enabled" >&5
 $as_echo_n "checking whether POSIX semaphores are enabled... " >&6; }
-if test "${ac_cv_posix_semaphores_enabled+set}" = set; then :
+if ${ac_cv_posix_semaphores_enabled+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -11939,7 +12003,7 @@
 # Multiprocessing check for broken sem_getvalue
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken sem_getvalue" >&5
 $as_echo_n "checking for broken sem_getvalue... " >&6; }
-if test "${ac_cv_broken_sem_getvalue+set}" = set; then :
+if ${ac_cv_broken_sem_getvalue+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -12004,7 +12068,7 @@
 15|30)
   ;;
 *)
-  as_fn_error "bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30" "$LINENO" 5 ;;
+  as_fn_error $? "bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30" "$LINENO" 5 ;;
 esac
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_big_digits" >&5
 $as_echo "$enable_big_digits" >&6; }
@@ -12022,7 +12086,7 @@
 
 # check for wchar.h
 ac_fn_c_check_header_mongrel "$LINENO" "wchar.h" "ac_cv_header_wchar_h" "$ac_includes_default"
-if test "x$ac_cv_header_wchar_h" = x""yes; then :
+if test "x$ac_cv_header_wchar_h" = xyes; then :
 
 
 $as_echo "#define HAVE_WCHAR_H 1" >>confdefs.h
@@ -12045,7 +12109,7 @@
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of wchar_t" >&5
 $as_echo_n "checking size of wchar_t... " >&6; }
-if test "${ac_cv_sizeof_wchar_t+set}" = set; then :
+if ${ac_cv_sizeof_wchar_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (wchar_t))" "ac_cv_sizeof_wchar_t"        "#include <wchar.h>
@@ -12055,9 +12119,8 @@
   if test "$ac_cv_type_wchar_t" = yes; then
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "cannot compute sizeof (wchar_t)
-See \`config.log' for more details." "$LINENO" 5; }; }
+as_fn_error 77 "cannot compute sizeof (wchar_t)
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_wchar_t=0
    fi
@@ -12112,7 +12175,7 @@
   # check whether wchar_t is signed or not
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether wchar_t is signed" >&5
 $as_echo_n "checking whether wchar_t is signed... " >&6; }
-  if test "${ac_cv_wchar_t_signed+set}" = set; then :
+  if ${ac_cv_wchar_t_signed+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12208,7 +12271,7 @@
 # check for endianness
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if test "${ac_cv_c_bigendian+set}" = set; then :
+if ${ac_cv_c_bigendian+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_bigendian=unknown
@@ -12426,7 +12489,7 @@
 
      ;; #(
    *)
-     as_fn_error "unknown endianness
+     as_fn_error $? "unknown endianness
  presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
  esac
 
@@ -12499,7 +12562,7 @@
 # or fills with zeros (like the Cray J90, according to Tim Peters).
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether right shift extends the sign bit" >&5
 $as_echo_n "checking whether right shift extends the sign bit... " >&6; }
-if test "${ac_cv_rshift_extends_sign+set}" = set; then :
+if ${ac_cv_rshift_extends_sign+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12538,7 +12601,7 @@
 # check for getc_unlocked and related locking functions
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getc_unlocked() and friends" >&5
 $as_echo_n "checking for getc_unlocked() and friends... " >&6; }
-if test "${ac_cv_have_getc_unlocked+set}" = set; then :
+if ${ac_cv_have_getc_unlocked+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12636,7 +12699,7 @@
 # check for readline 2.1
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_callback_handler_install in -lreadline" >&5
 $as_echo_n "checking for rl_callback_handler_install in -lreadline... " >&6; }
-if test "${ac_cv_lib_readline_rl_callback_handler_install+set}" = set; then :
+if ${ac_cv_lib_readline_rl_callback_handler_install+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12670,7 +12733,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_callback_handler_install" >&5
 $as_echo "$ac_cv_lib_readline_rl_callback_handler_install" >&6; }
-if test "x$ac_cv_lib_readline_rl_callback_handler_install" = x""yes; then :
+if test "x$ac_cv_lib_readline_rl_callback_handler_install" = xyes; then :
 
 $as_echo "#define HAVE_RL_CALLBACK 1" >>confdefs.h
 
@@ -12688,7 +12751,7 @@
   have_readline=no
 
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 if test $have_readline = yes
 then
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -12722,7 +12785,7 @@
 # check for readline 4.0
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_pre_input_hook in -lreadline" >&5
 $as_echo_n "checking for rl_pre_input_hook in -lreadline... " >&6; }
-if test "${ac_cv_lib_readline_rl_pre_input_hook+set}" = set; then :
+if ${ac_cv_lib_readline_rl_pre_input_hook+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12756,7 +12819,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_pre_input_hook" >&5
 $as_echo "$ac_cv_lib_readline_rl_pre_input_hook" >&6; }
-if test "x$ac_cv_lib_readline_rl_pre_input_hook" = x""yes; then :
+if test "x$ac_cv_lib_readline_rl_pre_input_hook" = xyes; then :
 
 $as_echo "#define HAVE_RL_PRE_INPUT_HOOK 1" >>confdefs.h
 
@@ -12766,7 +12829,7 @@
 # also in 4.0
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_completion_display_matches_hook in -lreadline" >&5
 $as_echo_n "checking for rl_completion_display_matches_hook in -lreadline... " >&6; }
-if test "${ac_cv_lib_readline_rl_completion_display_matches_hook+set}" = set; then :
+if ${ac_cv_lib_readline_rl_completion_display_matches_hook+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12800,7 +12863,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_completion_display_matches_hook" >&5
 $as_echo "$ac_cv_lib_readline_rl_completion_display_matches_hook" >&6; }
-if test "x$ac_cv_lib_readline_rl_completion_display_matches_hook" = x""yes; then :
+if test "x$ac_cv_lib_readline_rl_completion_display_matches_hook" = xyes; then :
 
 $as_echo "#define HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK 1" >>confdefs.h
 
@@ -12810,7 +12873,7 @@
 # check for readline 4.2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rl_completion_matches in -lreadline" >&5
 $as_echo_n "checking for rl_completion_matches in -lreadline... " >&6; }
-if test "${ac_cv_lib_readline_rl_completion_matches+set}" = set; then :
+if ${ac_cv_lib_readline_rl_completion_matches+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -12844,7 +12907,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_completion_matches" >&5
 $as_echo "$ac_cv_lib_readline_rl_completion_matches" >&6; }
-if test "x$ac_cv_lib_readline_rl_completion_matches" = x""yes; then :
+if test "x$ac_cv_lib_readline_rl_completion_matches" = xyes; then :
 
 $as_echo "#define HAVE_RL_COMPLETION_MATCHES 1" >>confdefs.h
 
@@ -12862,7 +12925,7 @@
   have_readline=no
 
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 if test $have_readline = yes
 then
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -12885,7 +12948,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken nice()" >&5
 $as_echo_n "checking for broken nice()... " >&6; }
-if test "${ac_cv_broken_nice+set}" = set; then :
+if ${ac_cv_broken_nice+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12926,7 +12989,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken poll()" >&5
 $as_echo_n "checking for broken poll()... " >&6; }
-if test "${ac_cv_broken_poll+set}" = set; then :
+if ${ac_cv_broken_poll+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -12981,7 +13044,7 @@
 #include <$ac_cv_struct_tm>
 
 "
-if test "x$ac_cv_member_struct_tm_tm_zone" = x""yes; then :
+if test "x$ac_cv_member_struct_tm_tm_zone" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STRUCT_TM_TM_ZONE 1
@@ -12997,7 +13060,7 @@
 else
   ac_fn_c_check_decl "$LINENO" "tzname" "ac_cv_have_decl_tzname" "#include <time.h>
 "
-if test "x$ac_cv_have_decl_tzname" = x""yes; then :
+if test "x$ac_cv_have_decl_tzname" = xyes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -13009,7 +13072,7 @@
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tzname" >&5
 $as_echo_n "checking for tzname... " >&6; }
-if test "${ac_cv_var_tzname+set}" = set; then :
+if ${ac_cv_var_tzname+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13048,7 +13111,7 @@
 # check tzset(3) exists and works like we expect it to
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working tzset()" >&5
 $as_echo_n "checking for working tzset()... " >&6; }
-if test "${ac_cv_working_tzset+set}" = set; then :
+if ${ac_cv_working_tzset+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -13145,7 +13208,7 @@
 # Look for subsecond timestamps in struct stat
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tv_nsec in struct stat" >&5
 $as_echo_n "checking for tv_nsec in struct stat... " >&6; }
-if test "${ac_cv_stat_tv_nsec+set}" = set; then :
+if ${ac_cv_stat_tv_nsec+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13182,7 +13245,7 @@
 # Look for BSD style subsecond timestamps in struct stat
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tv_nsec2 in struct stat" >&5
 $as_echo_n "checking for tv_nsec2 in struct stat... " >&6; }
-if test "${ac_cv_stat_tv_nsec2+set}" = set; then :
+if ${ac_cv_stat_tv_nsec2+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13219,7 +13282,7 @@
 # On HP/UX 11.0, mvwdelch is a block with a return statement
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mvwdelch is an expression" >&5
 $as_echo_n "checking whether mvwdelch is an expression... " >&6; }
-if test "${ac_cv_mvwdelch_is_expression+set}" = set; then :
+if ${ac_cv_mvwdelch_is_expression+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13256,7 +13319,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether WINDOW has _flags" >&5
 $as_echo_n "checking whether WINDOW has _flags... " >&6; }
-if test "${ac_cv_window_has_flags+set}" = set; then :
+if ${ac_cv_window_has_flags+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13404,7 +13467,7 @@
 then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for %lld and %llu printf() format support" >&5
 $as_echo_n "checking for %lld and %llu printf() format support... " >&6; }
-  if test "${ac_cv_have_long_long_format+set}" = set; then :
+  if ${ac_cv_have_long_long_format+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13474,7 +13537,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for %zd printf() format support" >&5
 $as_echo_n "checking for %zd printf() format support... " >&6; }
-if test "${ac_cv_have_size_t_format+set}" = set; then :
+if ${ac_cv_have_size_t_format+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13547,7 +13610,7 @@
 #endif
 
 "
-if test "x$ac_cv_type_socklen_t" = x""yes; then :
+if test "x$ac_cv_type_socklen_t" = xyes; then :
 
 else
 
@@ -13558,7 +13621,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken mbstowcs" >&5
 $as_echo_n "checking for broken mbstowcs... " >&6; }
-if test "${ac_cv_broken_mbstowcs+set}" = set; then :
+if ${ac_cv_broken_mbstowcs+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13598,7 +13661,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports computed gotos" >&5
 $as_echo_n "checking whether $CC supports computed gotos... " >&6; }
-if test "${ac_cv_computed_gotos+set}" = set; then :
+if ${ac_cv_computed_gotos+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -13678,7 +13741,7 @@
 
 
 case $ac_sys_system in
-  OSF*) as_fn_error "OSF* systems are deprecated unless somebody volunteers. Check http://bugs.python.org/issue8606" "$LINENO" 5 ;;
+  OSF*) as_fn_error $? "OSF* systems are deprecated unless somebody volunteers. Check http://bugs.python.org/issue8606" "$LINENO" 5 ;;
 esac
 
 
@@ -13771,10 +13834,21 @@
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      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
   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;}
@@ -13790,6 +13864,7 @@
 
 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$//'
@@ -13806,7 +13881,7 @@
 
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -13907,6 +13982,7 @@
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -13952,19 +14028,19 @@
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
+# 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 $?, using 1 if that was 0.
+# script with STATUS, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+  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: $1" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -14160,7 +14236,7 @@
       test -d "$as_dir" && break
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
 
 
 } # as_fn_mkdir_p
@@ -14214,7 +14290,7 @@
 # values after options handling.
 ac_log="
 This file was extended by python $as_me 3.2, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -14276,10 +14352,10 @@
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 python config.status 3.2
-configured by $0, generated by GNU Autoconf 2.65,
+configured by $0, generated by GNU Autoconf 2.68,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -14295,11 +14371,16 @@
 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
@@ -14321,6 +14402,7 @@
     $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'"
     ac_need_defaults=false;;
@@ -14333,7 +14415,7 @@
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error "ambiguous option: \`$1'
+    as_fn_error $? "ambiguous option: \`$1'
 Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     $as_echo "$ac_cs_usage"; exit ;;
@@ -14342,7 +14424,7 @@
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error "unrecognized option: \`$1'
+  -*) as_fn_error $? "unrecognized option: \`$1'
 Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
@@ -14401,7 +14483,7 @@
     "Misc/python.pc") CONFIG_FILES="$CONFIG_FILES Misc/python.pc" ;;
     "Modules/ld_so_aix") CONFIG_FILES="$CONFIG_FILES Modules/ld_so_aix" ;;
 
-  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -14423,9 +14505,10 @@
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -14433,12 +14516,13 @@
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5
+} || 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.
@@ -14455,12 +14539,12 @@
 fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\r'
+  ac_cs_awk_cr='\\r'
 else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -14469,18 +14553,18 @@
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$subs.sh ||
-  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
 
   ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -14488,7 +14572,7 @@
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -14536,7 +14620,7 @@
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -14568,21 +14652,29 @@
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || as_fn_error "could not setup config files machinery" "$LINENO" 5
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
 s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -14594,7 +14686,7 @@
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -14606,11 +14698,11 @@
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  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
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -14695,7 +14787,7 @@
 _ACAWK
 _ACEOF
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error "could not setup config headers machinery" "$LINENO" 5
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
 fi # test -n "$CONFIG_HEADERS"
 
 
@@ -14708,7 +14800,7 @@
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -14727,7 +14819,7 @@
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_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 $ac_f cannot contain `:'.
@@ -14736,7 +14828,7 @@
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -14762,8 +14854,8 @@
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -14893,23 +14985,24 @@
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+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
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { 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
+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;}
+which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) 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
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -14918,21 +15011,21 @@
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+      && 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: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
-	|| as_fn_error "could not create $ac_file" "$LINENO" 5
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error "could not create -" "$LINENO" 5
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;
 
@@ -14952,7 +15045,7 @@
 ac_clean_files=$ac_clean_files_save
 
 test $ac_write_fail = 0 ||
-  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
 # configure is writing to config.log, and then calls config.status.
@@ -14973,7 +15066,7 @@
   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 $?
+  $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 2353487..9fbcef8 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -911,6 +911,9 @@
 /* Define if you are using Mach cthreads directly under /include */
 #undef HURD_C_THREADS
 
+/* Define if log1p(-0.) is 0. rather than -0. */
+#undef LOG1P_DROPS_ZERO_SIGN
+
 /* Define if you are using Mach cthreads under mach / */
 #undef MACH_C_THREADS