From: Evan Hunt <each@isc.org>
Date: Wed, 11 Apr 2012 23:11:40 +0000 (-0700)
Subject: Moved from contrib, set up configure
X-Git-Tag: v9.10.0a1~1062^2^2~10
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=660b088fedcf755b15bdb050f5974a378f5b6767;p=thirdparty%2Fbind9.git

Moved from contrib, set up configure

- moved checkds.py from contrib to bin/python/dnssec-checkds.py
- moved tests from contrib to bin/tests/system/checkds
- set up configure to find the python path
---

diff --git a/bin/Makefile.in b/bin/Makefile.in
index e4805520e7e..077c1c6976b 100644
--- a/bin/Makefile.in
+++ b/bin/Makefile.in
@@ -20,7 +20,7 @@ VPATH =		@srcdir@
 top_srcdir =	@top_srcdir@
 
 SUBDIRS =	named rndc dig dnssec tests tools nsupdate \
-		check confgen @PKCS11_TOOLS@
+		check confgen @PYTHON_TOOLS@ @PKCS11_TOOLS@
 TARGETS =
 
 @BIND9_MAKE_RULES@
diff --git a/contrib/dnssec/checkds.py b/bin/python/dnssec-checkds.py.in
similarity index 98%
rename from contrib/dnssec/checkds.py
rename to bin/python/dnssec-checkds.py.in
index 4a23385eefe..9ccbc08fe1e 100644
--- a/contrib/dnssec/checkds.py
+++ b/bin/python/dnssec-checkds.py.in
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!@PYTHON@
 ############################################################################
 # Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC")
 #
@@ -237,10 +237,10 @@ def parse_args():
     parser.add_argument('-l', '--lookaside', dest='lookaside', type=str,
                         help='DLV lookaside zone')
     parser.add_argument('-d', '--dig', dest='dig',
-                        default='/usr/local/bin/dig', type=str,
+                        default='@bindir@/dig', type=str,
                         help='path to \'dig\'')
     parser.add_argument('-D', '--dsfromkey', dest='dsfromkey',
-                        default='/usr/local/sbin/dnssec-dsfromkey', type=str,
+                        default='@sbindir@/dnssec-dsfromkey', type=str,
                         help='path to \'dig\'')
     parser.add_argument('-v', '--version', action='version', version='9.9.1')
     args = parser.parse_args()
diff --git a/contrib/dnssec/tests/clean.sh b/bin/tests/system/checkds/clean.sh
similarity index 100%
rename from contrib/dnssec/tests/clean.sh
rename to bin/tests/system/checkds/clean.sh
diff --git a/contrib/dnssec/tests/dig.sh b/bin/tests/system/checkds/dig.sh
similarity index 100%
rename from contrib/dnssec/tests/dig.sh
rename to bin/tests/system/checkds/dig.sh
diff --git a/contrib/dnssec/tests/missing.example.dlv.example.dlv.db b/bin/tests/system/checkds/missing.example.dlv.example.dlv.db
similarity index 100%
rename from contrib/dnssec/tests/missing.example.dlv.example.dlv.db
rename to bin/tests/system/checkds/missing.example.dlv.example.dlv.db
diff --git a/contrib/dnssec/tests/missing.example.dnskey.db b/bin/tests/system/checkds/missing.example.dnskey.db
similarity index 100%
rename from contrib/dnssec/tests/missing.example.dnskey.db
rename to bin/tests/system/checkds/missing.example.dnskey.db
diff --git a/contrib/dnssec/tests/missing.example.ds.db b/bin/tests/system/checkds/missing.example.ds.db
similarity index 100%
rename from contrib/dnssec/tests/missing.example.ds.db
rename to bin/tests/system/checkds/missing.example.ds.db
diff --git a/contrib/dnssec/tests/none.example.dlv.example.dlv.db b/bin/tests/system/checkds/none.example.dlv.example.dlv.db
similarity index 100%
rename from contrib/dnssec/tests/none.example.dlv.example.dlv.db
rename to bin/tests/system/checkds/none.example.dlv.example.dlv.db
diff --git a/contrib/dnssec/tests/none.example.dnskey.db b/bin/tests/system/checkds/none.example.dnskey.db
similarity index 100%
rename from contrib/dnssec/tests/none.example.dnskey.db
rename to bin/tests/system/checkds/none.example.dnskey.db
diff --git a/contrib/dnssec/tests/none.example.ds.db b/bin/tests/system/checkds/none.example.ds.db
similarity index 100%
rename from contrib/dnssec/tests/none.example.ds.db
rename to bin/tests/system/checkds/none.example.ds.db
diff --git a/contrib/dnssec/tests/ok.example.dlv.example.dlv.db b/bin/tests/system/checkds/ok.example.dlv.example.dlv.db
similarity index 100%
rename from contrib/dnssec/tests/ok.example.dlv.example.dlv.db
rename to bin/tests/system/checkds/ok.example.dlv.example.dlv.db
diff --git a/contrib/dnssec/tests/ok.example.dnskey.db b/bin/tests/system/checkds/ok.example.dnskey.db
similarity index 100%
rename from contrib/dnssec/tests/ok.example.dnskey.db
rename to bin/tests/system/checkds/ok.example.dnskey.db
diff --git a/contrib/dnssec/tests/ok.example.ds.db b/bin/tests/system/checkds/ok.example.ds.db
similarity index 100%
rename from contrib/dnssec/tests/ok.example.ds.db
rename to bin/tests/system/checkds/ok.example.ds.db
diff --git a/bin/tests/system/checkds/setup.sh b/bin/tests/system/checkds/setup.sh
new file mode 100644
index 00000000000..001554a735c
--- /dev/null
+++ b/bin/tests/system/checkds/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+# Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+sh clean.sh
diff --git a/contrib/dnssec/tests/tests.sh b/bin/tests/system/checkds/tests.sh
similarity index 98%
rename from contrib/dnssec/tests/tests.sh
rename to bin/tests/system/checkds/tests.sh
index af090b29e54..16750d9a7a2 100644
--- a/contrib/dnssec/tests/tests.sh
+++ b/bin/tests/system/checkds/tests.sh
@@ -13,11 +13,13 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
+SYSTEMTESTTOP=..
+. $SYSTEMTESTTOP/conf.sh
 
 DIG="./dig.sh"
 chmod +x $DIG
 
-CHECKDS="python ../checkds.py -d $DIG"
+CHECKDS="$CHECKDS -d $DIG -D $DSFROMKEY"
 
 status=0
 n=1
diff --git a/contrib/dnssec/tests/wrong.example.dlv.example.dlv.db b/bin/tests/system/checkds/wrong.example.dlv.example.dlv.db
similarity index 100%
rename from contrib/dnssec/tests/wrong.example.dlv.example.dlv.db
rename to bin/tests/system/checkds/wrong.example.dlv.example.dlv.db
diff --git a/contrib/dnssec/tests/wrong.example.dnskey.db b/bin/tests/system/checkds/wrong.example.dnskey.db
similarity index 100%
rename from contrib/dnssec/tests/wrong.example.dnskey.db
rename to bin/tests/system/checkds/wrong.example.dnskey.db
diff --git a/contrib/dnssec/tests/wrong.example.ds.db b/bin/tests/system/checkds/wrong.example.ds.db
similarity index 100%
rename from contrib/dnssec/tests/wrong.example.ds.db
rename to bin/tests/system/checkds/wrong.example.ds.db
diff --git a/bin/tests/system/conf.sh.in b/bin/tests/system/conf.sh.in
index 9e13baea6e7..9a16e79e421 100644
--- a/bin/tests/system/conf.sh.in
+++ b/bin/tests/system/conf.sh.in
@@ -42,6 +42,7 @@ SIGNER=$TOP/bin/dnssec/dnssec-signzone
 REVOKE=$TOP/bin/dnssec/dnssec-revoke
 SETTIME=$TOP/bin/dnssec/dnssec-settime
 DSFROMKEY=$TOP/bin/dnssec/dnssec-dsfromkey
+CHECKDS=$TOP/bin/python/dnssec-checkds
 CHECKZONE=$TOP/bin/check/named-checkzone
 CHECKCONF=$TOP/bin/check/named-checkconf
 PK11GEN="$TOP/bin/pkcs11/pkcs11-keygen -s 0 -p 1234"
@@ -53,7 +54,7 @@ JOURNALPRINT=$TOP/bin/tools/named-journalprint
 # load on the machine to make it unusable to other users.
 # v6synth
 SUBDIRS="acl allow_query addzone autosign builtin cacheclean checkconf
-	 checknames checkzone database dlv dlvauto dlz dlzexternal
+	 checkds checknames checkzone database dlv dlvauto dlz dlzexternal
          dname dns64 dnssec forward glue gost ixfr inline limits
 	 logfileconfig lwresd masterfile masterformat metadata notify
 	 nsupdate pending pkcs11 redirect resolver rndc rpz rrsetorder
diff --git a/configure b/configure
index 33389915ede..1bb57133c58 100755
--- a/configure
+++ b/configure
@@ -14,7 +14,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 #
-# $Id: configure,v 1.518 2012/01/30 07:11:47 marka Exp $
+# $Id: COPYRIGHT,v 1.19 2012/01/03 23:46:59 tbox Exp $
 #
 # 	Portions of this code release fall under one or more of the
 # 	following Copyright notices.  Please see individual source
@@ -519,12 +519,12 @@
 #
 # From configure.in Revision: 1.533 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.67.
+# Generated by GNU Autoconf 2.65.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
-# Foundation, Inc.
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -835,7 +835,7 @@ $as_echo X"$as_dir" |
       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
@@ -875,19 +875,19 @@ else
 fi # as_fn_arith
 
 
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with STATUS, using 1 if that was 0.
+# script with status $?, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-  $as_echo "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $1" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -1203,7 +1203,7 @@ test -n "$DJDIR" || exec 7<&0 </dev/null
 exec 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -1445,6 +1445,8 @@ ISC_PLATFORM_NORETURN_POST
 ISC_PLATFORM_NORETURN_PRE
 ISC_PLATFORM_HAVELONGLONG
 ISC_SOCKADDR_LEN_T
+PYTHON_TOOLS
+PYTHON
 PERL
 ETAGS
 LN
@@ -1676,9 +1678,8 @@ do
   fi
 
   case $ac_option in
-  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *=)   ac_optarg= ;;
-  *)    ac_optarg=yes ;;
+  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *)	ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -1723,7 +1724,7 @@ do
     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 $ac_user_opts in
@@ -1749,7 +1750,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1953,7 +1954,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1969,7 +1970,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1999,8 +2000,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information"
+  -*) as_fn_error "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information."
     ;;
 
   *=*)
@@ -2008,7 +2009,7 @@ Try \`$0 --help' for more information"
     # 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 ;;
@@ -2026,13 +2027,13 @@ done
 
 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: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
@@ -2055,7 +2056,7 @@ do
     [\\/$]* | ?:[\\/]* )  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: `$host'
@@ -2069,8 +2070,8 @@ target=$target_alias
 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
@@ -2085,9 +2086,9 @@ test "$silent" = yes && exec 6>/dev/null
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  as_fn_error $? "working directory cannot be determined"
+  as_fn_error "working directory cannot be determined"
 test "X$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.
@@ -2126,11 +2127,11 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+  as_fn_error "cannot find sources ($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" = "$ac_pwd"; then
@@ -2170,7 +2171,7 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking ...' messages
+  -q, --quiet, --silent   do not print \`checking...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -2391,9 +2392,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.67
+generated by GNU Autoconf 2.65
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -2509,7 +2510,7 @@ $as_echo "$ac_try_echo"; } >&5
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } > conftest.i && {
+  test $ac_status = 0; } >/dev/null && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -2533,10 +2534,10 @@ fi
 ac_fn_c_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval "test \"\${$3+set}\"" = set; then :
+  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -2572,7 +2573,7 @@ if ac_fn_c_try_cpp "$LINENO"; then :
 else
   ac_header_preproc=no
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
 $as_echo "$ac_header_preproc" >&6; }
 
@@ -2599,7 +2600,7 @@ $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -2663,7 +2664,7 @@ ac_fn_c_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2693,7 +2694,7 @@ ac_fn_c_check_func ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2811,7 +2812,7 @@ $as_echo "$ac_try_echo"; } >&5
     mv -f conftest.er1 conftest.err
   fi
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } > conftest.i && {
+  test $ac_status = 0; } >/dev/null && {
 	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
        }; then :
@@ -2966,7 +2967,7 @@ ac_fn_c_check_type ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -3193,7 +3194,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
 
@@ -3303,9 +3304,11 @@ trap 'exit_status=$?
   {
     echo
 
-    $as_echo "## ---------------- ##
+    cat <<\_ASBOX
+## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##"
+## ---------------- ##
+_ASBOX
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -3339,9 +3342,11 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    $as_echo "## ----------------- ##
+    cat <<\_ASBOX
+## ----------------- ##
 ## Output variables. ##
-## ----------------- ##"
+## ----------------- ##
+_ASBOX
     echo
     for ac_var in $ac_subst_vars
     do
@@ -3354,9 +3359,11 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
     echo
 
     if test -n "$ac_subst_files"; then
-      $as_echo "## ------------------- ##
+      cat <<\_ASBOX
+## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##"
+## ------------------- ##
+_ASBOX
       echo
       for ac_var in $ac_subst_files
       do
@@ -3370,9 +3377,11 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
     fi
 
     if test -s confdefs.h; then
-      $as_echo "## ----------- ##
+      cat <<\_ASBOX
+## ----------- ##
 ## confdefs.h. ##
-## ----------- ##"
+## ----------- ##
+_ASBOX
       echo
       cat confdefs.h
       echo
@@ -3427,12 +3436,7 @@ _ACEOF
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  # We do not want a PATH search for config.site.
-  case $CONFIG_SITE in #((
-    -*)  ac_site_file1=./$CONFIG_SITE;;
-    */*) ac_site_file1=$CONFIG_SITE;;
-    *)   ac_site_file1=./$CONFIG_SITE;;
-  esac
+  ac_site_file1=$CONFIG_SITE
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -3447,11 +3451,7 @@ do
     { $as_echo "$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" \
-      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5; }
+    . "$ac_site_file"
   fi
 done
 
@@ -3527,7 +3527,7 @@ if $ac_cache_corrupted; then
 $as_echo "$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. ##
@@ -3547,22 +3547,16 @@ ac_config_headers="$ac_config_headers config.h"
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  if test -f "$ac_dir/install-sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install-sh -c"
-    break
-  elif test -f "$ac_dir/install.sh"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/install.sh -c"
-    break
-  elif test -f "$ac_dir/shtool"; then
-    ac_aux_dir=$ac_dir
-    ac_install_sh="$ac_aux_dir/shtool install -c"
-    break
-  fi
+  for ac_t in install-sh install.sh shtool; do
+    if test -f "$ac_dir/$ac_t"; then
+      ac_aux_dir=$ac_dir
+      ac_install_sh="$ac_aux_dir/$ac_t -c"
+      break 2
+    fi
+  done
 done
 if test -z "$ac_aux_dir"; then
-  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,
@@ -3576,7 +3570,7 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
@@ -3587,16 +3581,16 @@ else
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -3621,7 +3615,7 @@ else
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
@@ -3629,7 +3623,7 @@ fi
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -3650,7 +3644,7 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\"" = set; then :
+if { as_var=ac_cv_prog_make_${ac_make}_set; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -3658,7 +3652,7 @@ SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
 _ACEOF
-# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
 case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *@@@%%%=?*=@@@%%%*)
     eval ac_cv_prog_make_${ac_make}_set=yes;;
@@ -4062,8 +4056,8 @@ fi
 
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
+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
@@ -4177,8 +4171,9 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "C compiler cannot create executables
+See \`config.log' for more details." "$LINENO" 5; }; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -4220,8 +4215,8 @@ done
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+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
@@ -4278,9 +4273,9 @@ $as_echo "$ac_try_echo"; } >&5
     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." "$LINENO" 5; }
     fi
   fi
 fi
@@ -4331,8 +4326,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5; }
+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.$ac_ext
 fi
@@ -4662,7 +4657,7 @@ esac
   done
 IFS=$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
@@ -4728,7 +4723,7 @@ esac
   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
@@ -4825,7 +4820,7 @@ else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
-test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+test -z "$LD" && as_fn_error "no acceptable ld found in \$PATH" "$LINENO" 5
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
 $as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
 if test "${lt_cv_prog_gnu_ld+set}" = set; then :
@@ -5171,7 +5166,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 5174 "configure"' > conftest.$ac_ext
+  echo '#line 5169 "configure"' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -5378,7 +5373,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -5394,11 +5389,11 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
   break
 fi
@@ -5437,7 +5432,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -5453,18 +5448,18 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -5593,7 +5588,8 @@ do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
 "
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -5915,7 +5911,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -5931,11 +5927,11 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
   break
 fi
@@ -5974,7 +5970,7 @@ else
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
@@ -5990,18 +5986,18 @@ else
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.i conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.$ac_ext
 if $ac_preproc_ok; then :
 
 else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details." "$LINENO" 5; }
 fi
 
 ac_ext=cpp
@@ -6018,7 +6014,7 @@ ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
 ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_f77_compiler_gnu
 if test -n "$ac_tool_prefix"; then
-  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn
+  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
@@ -6062,7 +6058,7 @@ fi
 fi
 if test -z "$F77"; then
   ac_ct_F77=$F77
-  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgfortran pgf95 lf95 ftn
+  for ac_prog in g77 xlf f77 frt pgf77 cf77 fort77 fl32 af77 xlf90 f90 pgf90 pghpf epcf90 gfortran g95 xlf95 f95 fort ifort ifc efc pgf95 lf95 ftn
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
@@ -7465,11 +7461,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7468: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7464: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7472: \$? = $ac_status" >&5
+   echo "$as_me:7468: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7755,11 +7751,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7758: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7754: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7762: \$? = $ac_status" >&5
+   echo "$as_me:7758: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7859,11 +7855,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7862: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7858: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7866: \$? = $ac_status" >&5
+   echo "$as_me:7862: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -9884,7 +9880,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 9887 "configure"
+#line 9883 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -9984,7 +9980,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 9987 "configure"
+#line 9983 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10659,13 +10655,13 @@ $as_echo "$as_me: WARNING: using \`LTCC=$LTCC', extracted from \`$ofile'" >&2;}
     # Check whether tagname contains only valid characters
     case `$echo "X$tagname" | $Xsed -e 's:[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]::g'` in
     "") ;;
-    *)  as_fn_error $? "invalid tag name: $tagname" "$LINENO" 5
+    *)  as_fn_error "invalid tag name: $tagname" "$LINENO" 5
 	;;
     esac
 
     if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
     then
-      as_fn_error $? "tag name \"$tagname\" already exists" "$LINENO" 5
+      as_fn_error "tag name \"$tagname\" already exists" "$LINENO" 5
     fi
 
     # Update the list of available tags.
@@ -10880,7 +10876,7 @@ else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
-test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+test -z "$LD" && as_fn_error "no acceptable ld found in \$PATH" "$LINENO" 5
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
 $as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
 if test "${lt_cv_prog_gnu_ld+set}" = set; then :
@@ -12329,11 +12325,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:12332: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:12328: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:12336: \$? = $ac_status" >&5
+   echo "$as_me:12332: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -12433,11 +12429,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:12436: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:12432: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:12440: \$? = $ac_status" >&5
+   echo "$as_me:12436: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -14016,11 +14012,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14019: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14015: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14023: \$? = $ac_status" >&5
+   echo "$as_me:14019: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -14120,11 +14116,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14123: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14119: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14127: \$? = $ac_status" >&5
+   echo "$as_me:14123: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -16285,11 +16281,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16288: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16284: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:16292: \$? = $ac_status" >&5
+   echo "$as_me:16288: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -16575,11 +16571,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16578: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16574: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:16582: \$? = $ac_status" >&5
+   echo "$as_me:16578: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -16679,11 +16675,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16682: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16678: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:16686: \$? = $ac_status" >&5
+   echo "$as_me:16682: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -19247,7 +19243,7 @@ CC="$lt_save_CC"
 	;;
 
       *)
-	as_fn_error $? "Unsupported tag name: $tagname" "$LINENO" 5
+	as_fn_error "Unsupported tag name: $tagname" "$LINENO" 5
 	;;
       esac
 
@@ -19265,7 +19261,7 @@ CC="$lt_save_CC"
     chmod +x "$ofile"
   else
     rm -f "${ofile}T"
-    as_fn_error $? "unable to update list of available tagged configurations." "$LINENO" 5
+    as_fn_error "unable to update list of available tagged configurations." "$LINENO" 5
   fi
 fi
 
@@ -19417,7 +19413,7 @@ fi
 
 case "$enable_libbind" in
 	yes)
-		as_fn_error $? "'libbind' is no longer part of the BIND 9 distribution.
+		as_fn_error "'libbind' is no longer part of the BIND 9 distribution.
 It is available from http://www.isc.org as a separate download." "$LINENO" 5
 		;;
 	no|'')
@@ -19506,7 +19502,7 @@ LN=ln
 
 case "$AR" in
 	"")
-		as_fn_error $? "
+		as_fn_error "
 ar program not found.  Please fix your PATH to include the directory in
 which ar resides, or set AR in the environment with the full path to ar.
 " "$LINENO" 5
@@ -19633,6 +19629,63 @@ done
 
 
 
+#
+# Python is also optional; it is used by the tools in bin/python.
+# If python is unavailable, we simply don't build those.
+#
+for ac_prog in python
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_PYTHON+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PYTHON in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PYTHON="$PYTHON" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_PYTHON="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PYTHON=$ac_cv_path_PYTHON
+if test -n "$PYTHON"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON" >&5
+$as_echo "$PYTHON" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$PYTHON" && break
+done
+
+
+
+PYTHON_TOOLS=''
+if test "X$PYTHON" != "X"; then
+        PYTHON_TOOLS=python
+fi
+
+
 #
 # Special processing of paths depending on whether --prefix,
 # --sysconfdir or --localstatedir arguments were given.  What's
@@ -20040,8 +20093,8 @@ fi
 
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
+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
@@ -20454,7 +20507,8 @@ ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_include
 #endif
 
 "
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -20676,7 +20730,8 @@ for ac_func in seteuid setresuid
 do :
   as_ac_var=`$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\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -20688,7 +20743,8 @@ for ac_func in setegid setresgid
 do :
   as_ac_var=`$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\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$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
@@ -20985,8 +21041,8 @@ $as_echo_n "checking epoll support... " >&6; }
 	if test "$cross_compiling" = 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_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -21038,7 +21094,8 @@ yes)
 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" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -21092,7 +21149,7 @@ $as_echo "no" >&6; }
 	 LWRES_PLATFORM_NEEDSYSSELECTH="#define LWRES_PLATFORM_NEEDSYSSELECTH 1"
 		;;
 	no)
-		as_fn_error $? "need either working unistd.h or sys/select.h" "$LINENO" 5
+		as_fn_error "need either working unistd.h or sys/select.h" "$LINENO" 5
 		;;
 	esac
 
@@ -21106,7 +21163,7 @@ no)
 	     LWRES_PLATFORM_NEEDSYSSELECTH="#define LWRES_PLATFORM_NEEDSYSSELECTH 1"
 		;;
 	no)
-		as_fn_error $? "need either unistd.h or sys/select.h" "$LINENO" 5
+		as_fn_error "need either unistd.h or sys/select.h" "$LINENO" 5
 		;;
 	esac
 	;;
@@ -21337,7 +21394,7 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
 
      ;; #(
    *)
-     as_fn_error $? "unknown endianness
+     as_fn_error "unknown endianness
  presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
  esac
 
@@ -21384,7 +21441,7 @@ $as_echo "no" >&6; }
 		USE_OPENSSL=""
 		OPENSSLLINKOBJS=""
 		OPENSSLLINKSRCS=""
-		as_fn_error $? "OpenSSL was not found in any of $openssldirs; use --with-openssl=/path
+		as_fn_error "OpenSSL was not found in any of $openssldirs; use --with-openssl=/path
 If you don't want OpenSSL, use --without-openssl" "$LINENO" 5
 		;;
 	*)
@@ -21403,11 +21460,11 @@ If you don't want OpenSSL, use --without-openssl" "$LINENO" 5
 			then
 				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-				as_fn_error $? "OpenSSL was not found in any of $openssldirs; use --with-openssl=/path" "$LINENO" 5
+				as_fn_error "OpenSSL was not found in any of $openssldirs; use --with-openssl=/path" "$LINENO" 5
 			fi
 		elif ! test -f "$use_openssl"/include/openssl/opensslv.h
 		then
-			as_fn_error $? "\"$use_openssl/include/openssl/opensslv.h\" not found" "$LINENO" 5
+			as_fn_error "\"$use_openssl/include/openssl/opensslv.h\" not found" "$LINENO" 5
 		fi
 		USE_OPENSSL='-DOPENSSL'
 		if test "$use_openssl" = "/usr"
@@ -21472,7 +21529,7 @@ $as_echo "yes" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-		 as_fn_error $? "Could not run test program using OpenSSL from
+		 as_fn_error "Could not run test program using OpenSSL from
 $use_openssl/lib and $use_openssl/include.
 Please check the argument to --with-openssl and your
 shared library configuration (e.g., LD_LIBRARY_PATH)." "$LINENO" 5
@@ -21522,7 +21579,7 @@ $as_echo "yes" >&6; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
 $as_echo "unknown" >&6; }
-		 as_fn_error $? "OpenSSL has unsupported dynamic loading" "$LINENO" 5
+		 as_fn_error "OpenSSL has unsupported dynamic loading" "$LINENO" 5
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
@@ -21598,7 +21655,8 @@ $as_echo "no" >&6; }
 do :
   as_ac_var=`$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\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -21663,7 +21721,7 @@ fi
 		case "$with_gost" in
 		yes)
 		    case "$have_gost" in
-		    no)  as_fn_error $? "gost not supported" "$LINENO" 5 ;;
+		    no)  as_fn_error "gost not supported" "$LINENO" 5 ;;
 		    *)  have_gost=yes ;;
 		    esac
 		    ;;
@@ -21672,7 +21730,7 @@ fi
 		*)
 		    case "$have_gost" in
 		    yes|no) ;;
-		    *) as_fn_error $? "need --with-gost=[yes or no]" "$LINENO" 5 ;;
+		    *) as_fn_error "need --with-gost=[yes or no]" "$LINENO" 5 ;;
 		    esac
 		    ;;
 		esac
@@ -21721,7 +21779,7 @@ case $want_openssl_hash in
 	yes)
 		if test "$USE_OPENSSL" = ""
 		then
-			as_fn_error $? "No OpenSSL for hash functions" "$LINENO" 5
+			as_fn_error "No OpenSSL for hash functions" "$LINENO" 5
 		fi
 		ISC_PLATFORM_OPENSSLHASH="#define ISC_PLATFORM_OPENSSLHASH 1"
 		ISC_OPENSSL_INC="$DST_OPENSSL_INC"
@@ -21837,7 +21895,7 @@ $as_echo "disabled" >&6; }
 		USE_GSSAPI=''
 		;;
 	yes)
-		as_fn_error $? "--with-gssapi must specify a path" "$LINENO" 5
+		as_fn_error "--with-gssapi must specify a path" "$LINENO" 5
 		;;
 	*)
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: looking in $use_gssapi/lib" >&5
@@ -21849,7 +21907,8 @@ $as_echo "looking in $use_gssapi/lib" >&6; }
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -21860,14 +21919,15 @@ done
 
 
 		if test "$ISC_PLATFORM_GSSAPIHEADER" = ""; then
-		    as_fn_error $? "gssapi.h not found" "$LINENO" 5
+		    as_fn_error "gssapi.h not found" "$LINENO" 5
 		fi
 
 		for ac_header in gssapi_krb5.h gssapi/gssapi_krb5.h
 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" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -21881,7 +21941,8 @@ done
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -21892,7 +21953,7 @@ done
 
 
 		if test "$ISC_PLATFORM_KRB5HEADER" = ""; then
-		    as_fn_error $? "krb5.h not found" "$LINENO" 5
+		    as_fn_error "krb5.h not found" "$LINENO" 5
 		fi
 
 		CPPFLAGS="$saved_cppflags"
@@ -21967,7 +22028,7 @@ $as_echo "no" >&6; } ;;
 		done
 
 		case $gssapi_linked in
-		no) as_fn_error $? "could not determine proper GSSAPI linkage" "$LINENO" 5 ;;
+		no) as_fn_error "could not determine proper GSSAPI linkage" "$LINENO" 5 ;;
 		esac
 
 		#
@@ -22002,7 +22063,7 @@ $as_echo "no" >&6; } ;;
 			    NEW_LIBS="$NEW_LIBS $new_lib"
 			    ;;
 			*)
-			   as_fn_error $? "KTH vs MIT Kerberos confusion!" "$LINENO" 5
+			   as_fn_error "KTH vs MIT Kerberos confusion!" "$LINENO" 5
 			    ;;
 			esac
 		    done
@@ -22064,11 +22125,11 @@ $as_echo "$devrandom" >&6; }
 		as_ac_File=`$as_echo "ac_cv_file_$devrandom" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $devrandom" >&5
 $as_echo_n "checking for $devrandom... " >&6; }
-if eval "test \"\${$as_ac_File+set}\"" = set; then :
+if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
+  as_fn_error "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$devrandom"; then
   eval "$as_ac_File=yes"
 else
@@ -22078,7 +22139,8 @@ fi
 eval ac_res=\$$as_ac_File
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
+eval as_val=\$$as_ac_File
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define PATH_RANDOMDEV "$devrandom"
 _ACEOF
@@ -22087,7 +22149,7 @@ fi
 
 		;;
 	yes)
-		as_fn_error $? "--with-randomdev must specify a path" "$LINENO" 5
+		as_fn_error "--with-randomdev must specify a path" "$LINENO" 5
 		;;
 	no)
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: disabled" >&5
@@ -22200,7 +22262,7 @@ case "$enable_threads" in
 		# Use system-dependent default
 		;;
 	*)
-	    	as_fn_error $? "--enable-threads takes yes or no" "$LINENO" 5
+	    	as_fn_error "--enable-threads takes yes or no" "$LINENO" 5
 		;;
 esac
 
@@ -22430,7 +22492,7 @@ _ACEOF
   LIBS="-lc $LIBS"
 
 else
-  as_fn_error $? "\"could not find thread libraries\"" "$LINENO" 5
+  as_fn_error "\"could not find thread libraries\"" "$LINENO" 5
 fi
 
 fi
@@ -22662,7 +22724,7 @@ _ACEOF
   LIBS="-lc $LIBS"
 
 else
-  as_fn_error $? "\"could not find thread libraries\"" "$LINENO" 5
+  as_fn_error "\"could not find thread libraries\"" "$LINENO" 5
 fi
 
 fi
@@ -23458,7 +23520,7 @@ $as_echo "$purify_path" >&6; }
 			PURIFYFLAGS="`echo $PURIFYOPTIONS`"
 			PURIFY="$purify_path $PURIFYFLAGS"
 		else
-			as_fn_error $? "$purify_path not found.
+			as_fn_error "$purify_path not found.
 
 Please choose the proper path with the following command:
 
@@ -23561,7 +23623,7 @@ case $want_symtable in
 yes|all|minimal)     # "yes" is a hidden value equivalent to "minimal"
 	if test "$PERL" = ""
 	then
-		as_fn_error $? "Internal symbol table requires perl but no perl is found.
+		as_fn_error "Internal symbol table requires perl but no perl is found.
 Install perl or explicitly disable the feature by --disable-symtable." "$LINENO" 5
 	fi
 	if test "$use_libtool" = "yes"; then
@@ -23628,7 +23690,7 @@ case "$enable_exportlib" in
 			fi
 		done
 		if test -z "$gmake"; then
-			as_fn_error $? "exportlib requires GNU make.  Install it or disable the feature." "$LINENO" 5
+			as_fn_error "exportlib requires GNU make.  Install it or disable the feature." "$LINENO" 5
 		fi
 		LIBEXPORT=lib/export
 
@@ -23753,7 +23815,7 @@ $as_echo "no" >&6; }
 $as_echo "$kame_path/lib/libinet6.a" >&6; }
 			LIBS="-L$kame_path/lib -linet6 $LIBS"
 		else
-			as_fn_error $? "$kame_path/lib/libinet6.a not found.
+			as_fn_error "$kame_path/lib/libinet6.a not found.
 
 Please choose the proper path with the following command:
 
@@ -25002,7 +25064,8 @@ case "$enable_linux_caps" in
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+eval as_val=\$$as_ac_Header
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -25200,7 +25263,7 @@ ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE int"
 else
 
 if test "$cross_compiling" = yes; then :
-  as_fn_error $? "this cannot happen" "$LINENO" 5
+  as_fn_error "this cannot happen" "$LINENO" 5
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -25217,7 +25280,7 @@ ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE long int"
 else
 
 if test "$cross_compiling" = yes; then :
-  as_fn_error $? "this cannot happen" "$LINENO" 5
+  as_fn_error "this cannot happen" "$LINENO" 5
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -25232,7 +25295,7 @@ if ac_fn_c_try_run "$LINENO"; then :
 $as_echo "long long int" >&6; }
 ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE long long int"
 else
-  as_fn_error $? "unable to determine sizeof rlim_cur" "$LINENO" 5
+  as_fn_error "unable to determine sizeof rlim_cur" "$LINENO" 5
 
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -25531,7 +25594,8 @@ for ac_func in nanosleep usleep
 do :
   as_ac_var=`$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\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -25647,8 +25711,9 @@ else
   if test "$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 \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (void *)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_void_p=0
    fi
@@ -25688,8 +25753,9 @@ else
   if test "$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 \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5; }
+{ as_fn_set_status 77
+as_fn_error "cannot compute sizeof (void *)
+See \`config.log' for more details." "$LINENO" 5; }; }
    else
      ac_cv_sizeof_void_p=0
    fi
@@ -26697,7 +26763,7 @@ else
 fi
 
 if test "$idnlib" = yes; then
-	as_fn_error $? "You must specify ARG for --with-idnlib." "$LINENO" 5
+	as_fn_error "You must specify ARG for --with-idnlib." "$LINENO" 5
 fi
 
 IDNLIBS=
@@ -26934,7 +27000,8 @@ fi
 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\$"$as_ac_var"\" = x"yes"; then :
+eval as_val=\$$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
@@ -27126,7 +27193,7 @@ then
 
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-	as_fn_error $? "No pg_config and PostgreSQL was not found in any of $pgdirs; use --with-dlz-postgres=/path or put pg_config in your path" "$LINENO" 5
+	as_fn_error "No pg_config and PostgreSQL was not found in any of $pgdirs; use --with-dlz-postgres=/path or put pg_config in your path" "$LINENO" 5
 fi
 
 case "$use_dlz_postgres" in
@@ -27233,7 +27300,7 @@ if test "$use_dlz_mysql" = "yes"
 then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-	as_fn_error $? "MySQL was not found in any of $mysqldirs; use --with-dlz-mysql=/path" "$LINENO" 5
+	as_fn_error "MySQL was not found in any of $mysqldirs; use --with-dlz-mysql=/path" "$LINENO" 5
 fi
 
 case "$use_dlz_mysql" in
@@ -27297,7 +27364,7 @@ $as_echo "no" >&6; }
 		else
 			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-			as_fn_error $? "path $use_dlz_bdb does not exist" "$LINENO" 5
+			as_fn_error "path $use_dlz_bdb does not exist" "$LINENO" 5
 			bdbdirs=""
 		fi
 
@@ -27376,14 +27443,14 @@ $as_echo "not found" >&6; }
 		then
 			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-			as_fn_error $? "could not find Berkeley DB include directory" "$LINENO" 5
+			as_fn_error "could not find Berkeley DB include directory" "$LINENO" 5
 		fi
 
 		if test "$dlz_bdb_libs" = "yes"
 		then
 			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-			as_fn_error $? "could not find Berkeley DB library" "$LINENO" 5
+			as_fn_error "could not find Berkeley DB library" "$LINENO" 5
 		fi
 
 
@@ -27489,7 +27556,7 @@ if test "$use_dlz_ldap" = "yes"
 then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-	as_fn_error $? "LDAP headers were not found in any of $ldapdirs; use --with-dlz-ldap=/path" "$LINENO" 5
+	as_fn_error "LDAP headers were not found in any of $ldapdirs; use --with-dlz-ldap=/path" "$LINENO" 5
 fi
 
 case "$use_dlz_ldap" in
@@ -27558,7 +27625,7 @@ $as_echo "no" >&6; }
 	yes)
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5
 $as_echo "not found" >&6; }
-		as_fn_error $? "ODBC headers were not found in any of $odbcdirs; use --with-dlz-odbc=/path" "$LINENO" 5
+		as_fn_error "ODBC headers were not found in any of $odbcdirs; use --with-dlz-odbc=/path" "$LINENO" 5
 		;;
 	*)
 
@@ -27676,7 +27743,7 @@ fi
 
 if test "$cross_compiling" = "yes"; then
 	if test -z "$BUILD_CC"; then
-		as_fn_error $? "BUILD_CC not set" "$LINENO" 5
+		as_fn_error "BUILD_CC not set" "$LINENO" 5
 	fi
 	BUILD_CFLAGS="$BUILD_CFLAGS"
 	BUILD_CPPFLAGS="$BUILD_CPPFLAGS"
@@ -27798,7 +27865,7 @@ ac_config_commands="$ac_config_commands chmod"
 # elsewhere if there's a good reason for doing so.
 #
 
-ac_config_files="$ac_config_files make/Makefile make/mkdep Makefile bin/Makefile bin/check/Makefile bin/confgen/Makefile bin/confgen/unix/Makefile bin/dig/Makefile bin/dnssec/Makefile bin/named/Makefile bin/named/unix/Makefile bin/nsupdate/Makefile bin/pkcs11/Makefile bin/rndc/Makefile bin/tests/Makefile bin/tests/atomic/Makefile bin/tests/db/Makefile bin/tests/dst/Makefile bin/tests/hashes/Makefile bin/tests/headerdep_test.sh bin/tests/master/Makefile bin/tests/mem/Makefile bin/tests/names/Makefile bin/tests/net/Makefile bin/tests/rbt/Makefile bin/tests/resolver/Makefile bin/tests/sockaddr/Makefile bin/tests/system/Makefile bin/tests/system/conf.sh bin/tests/system/dlz/prereq.sh bin/tests/system/dlzexternal/Makefile bin/tests/system/dlzexternal/ns1/named.conf bin/tests/system/filter-aaaa/Makefile bin/tests/system/gost/prereq.sh bin/tests/system/lwresd/Makefile bin/tests/system/rpz/Makefile bin/tests/system/tkey/Makefile bin/tests/system/tsiggss/Makefile bin/tests/tasks/Makefile bin/tests/timers/Makefile bin/tests/virtual-time/Makefile bin/tests/virtual-time/conf.sh bin/tools/Makefile contrib/check-secure-delegation.pl contrib/zone-edit.sh doc/Makefile doc/arm/Makefile doc/doxygen/Doxyfile doc/doxygen/Makefile doc/doxygen/doxygen-input-filter doc/misc/Makefile doc/xsl/Makefile doc/xsl/isc-docbook-chunk.xsl doc/xsl/isc-docbook-html.xsl doc/xsl/isc-docbook-latex.xsl doc/xsl/isc-manpage.xsl isc-config.sh lib/Makefile lib/bind9/Makefile lib/bind9/include/Makefile lib/bind9/include/bind9/Makefile lib/dns/Makefile lib/dns/include/Makefile lib/dns/include/dns/Makefile lib/dns/include/dst/Makefile lib/dns/tests/Makefile lib/export/Makefile lib/export/dns/Makefile lib/export/dns/include/Makefile lib/export/dns/include/dns/Makefile lib/export/dns/include/dst/Makefile lib/export/irs/Makefile lib/export/irs/include/Makefile lib/export/irs/include/irs/Makefile lib/export/isc/$thread_dir/Makefile lib/export/isc/$thread_dir/include/Makefile lib/export/isc/$thread_dir/include/isc/Makefile lib/export/isc/Makefile lib/export/isc/include/Makefile lib/export/isc/include/isc/Makefile lib/export/isc/nls/Makefile lib/export/isc/unix/Makefile lib/export/isc/unix/include/Makefile lib/export/isc/unix/include/isc/Makefile lib/export/isccfg/Makefile lib/export/isccfg/include/Makefile lib/export/isccfg/include/isccfg/Makefile lib/export/samples/Makefile lib/export/samples/Makefile-postinstall lib/irs/Makefile lib/irs/include/Makefile lib/irs/include/irs/Makefile lib/irs/include/irs/netdb.h lib/irs/include/irs/platform.h lib/isc/$arch/Makefile lib/isc/$arch/include/Makefile lib/isc/$arch/include/isc/Makefile lib/isc/$thread_dir/Makefile lib/isc/$thread_dir/include/Makefile lib/isc/$thread_dir/include/isc/Makefile lib/isc/Makefile lib/isc/include/Makefile lib/isc/include/isc/Makefile lib/isc/include/isc/platform.h lib/isc/tests/Makefile lib/isc/nls/Makefile lib/isc/unix/Makefile lib/isc/unix/include/Makefile lib/isc/unix/include/isc/Makefile lib/isccc/Makefile lib/isccc/include/Makefile lib/isccc/include/isccc/Makefile lib/isccfg/Makefile lib/isccfg/include/Makefile lib/isccfg/include/isccfg/Makefile lib/lwres/Makefile lib/lwres/include/Makefile lib/lwres/include/lwres/Makefile lib/lwres/include/lwres/netdb.h lib/lwres/include/lwres/platform.h lib/lwres/man/Makefile lib/lwres/unix/Makefile lib/lwres/unix/include/Makefile lib/lwres/unix/include/lwres/Makefile lib/tests/Makefile lib/tests/include/Makefile lib/tests/include/tests/Makefile unit/Makefile unit/unittest.sh"
+ac_config_files="$ac_config_files make/Makefile make/mkdep Makefile bin/Makefile bin/check/Makefile bin/confgen/Makefile bin/confgen/unix/Makefile bin/dig/Makefile bin/dnssec/Makefile bin/named/Makefile bin/named/unix/Makefile bin/nsupdate/Makefile bin/pkcs11/Makefile bin/python/Makefile bin/python/dnssec-checkds.py bin/rndc/Makefile bin/tests/Makefile bin/tests/atomic/Makefile bin/tests/db/Makefile bin/tests/dst/Makefile bin/tests/hashes/Makefile bin/tests/headerdep_test.sh bin/tests/master/Makefile bin/tests/mem/Makefile bin/tests/names/Makefile bin/tests/net/Makefile bin/tests/rbt/Makefile bin/tests/resolver/Makefile bin/tests/sockaddr/Makefile bin/tests/system/Makefile bin/tests/system/conf.sh bin/tests/system/dlz/prereq.sh bin/tests/system/dlzexternal/Makefile bin/tests/system/dlzexternal/ns1/named.conf bin/tests/system/filter-aaaa/Makefile bin/tests/system/gost/prereq.sh bin/tests/system/lwresd/Makefile bin/tests/system/rpz/Makefile bin/tests/system/tkey/Makefile bin/tests/system/tsiggss/Makefile bin/tests/tasks/Makefile bin/tests/timers/Makefile bin/tests/virtual-time/Makefile bin/tests/virtual-time/conf.sh bin/tools/Makefile contrib/check-secure-delegation.pl contrib/zone-edit.sh doc/Makefile doc/arm/Makefile doc/doxygen/Doxyfile doc/doxygen/Makefile doc/doxygen/doxygen-input-filter doc/misc/Makefile doc/xsl/Makefile doc/xsl/isc-docbook-chunk.xsl doc/xsl/isc-docbook-html.xsl doc/xsl/isc-docbook-latex.xsl doc/xsl/isc-manpage.xsl isc-config.sh lib/Makefile lib/bind9/Makefile lib/bind9/include/Makefile lib/bind9/include/bind9/Makefile lib/dns/Makefile lib/dns/include/Makefile lib/dns/include/dns/Makefile lib/dns/include/dst/Makefile lib/dns/tests/Makefile lib/export/Makefile lib/export/dns/Makefile lib/export/dns/include/Makefile lib/export/dns/include/dns/Makefile lib/export/dns/include/dst/Makefile lib/export/irs/Makefile lib/export/irs/include/Makefile lib/export/irs/include/irs/Makefile lib/export/isc/$thread_dir/Makefile lib/export/isc/$thread_dir/include/Makefile lib/export/isc/$thread_dir/include/isc/Makefile lib/export/isc/Makefile lib/export/isc/include/Makefile lib/export/isc/include/isc/Makefile lib/export/isc/nls/Makefile lib/export/isc/unix/Makefile lib/export/isc/unix/include/Makefile lib/export/isc/unix/include/isc/Makefile lib/export/isccfg/Makefile lib/export/isccfg/include/Makefile lib/export/isccfg/include/isccfg/Makefile lib/export/samples/Makefile lib/export/samples/Makefile-postinstall lib/irs/Makefile lib/irs/include/Makefile lib/irs/include/irs/Makefile lib/irs/include/irs/netdb.h lib/irs/include/irs/platform.h lib/isc/$arch/Makefile lib/isc/$arch/include/Makefile lib/isc/$arch/include/isc/Makefile lib/isc/$thread_dir/Makefile lib/isc/$thread_dir/include/Makefile lib/isc/$thread_dir/include/isc/Makefile lib/isc/Makefile lib/isc/include/Makefile lib/isc/include/isc/Makefile lib/isc/include/isc/platform.h lib/isc/tests/Makefile lib/isc/nls/Makefile lib/isc/unix/Makefile lib/isc/unix/include/Makefile lib/isc/unix/include/isc/Makefile lib/isccc/Makefile lib/isccc/include/Makefile lib/isccc/include/isccc/Makefile lib/isccfg/Makefile lib/isccfg/include/Makefile lib/isccfg/include/isccfg/Makefile lib/lwres/Makefile lib/lwres/include/Makefile lib/lwres/include/lwres/Makefile lib/lwres/include/lwres/netdb.h lib/lwres/include/lwres/platform.h lib/lwres/man/Makefile lib/lwres/unix/Makefile lib/lwres/unix/include/Makefile lib/lwres/unix/include/lwres/Makefile lib/tests/Makefile lib/tests/include/Makefile lib/tests/include/tests/Makefile unit/Makefile unit/unittest.sh"
 
 
 #
@@ -27888,7 +27955,6 @@ DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
-U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
@@ -28051,19 +28117,19 @@ export LANGUAGE
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
+# as_fn_error ERROR [LINENO LOG_FD]
+# ---------------------------------
 # Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
 # provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with STATUS, using 1 if that was 0.
+# script with status $?, using 1 if that was 0.
 as_fn_error ()
 {
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  as_status=$?; test $as_status -eq 0 && as_status=1
+  if test "$3"; then
+    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
   fi
-  $as_echo "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $1" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -28259,7 +28325,7 @@ $as_echo X"$as_dir" |
       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
@@ -28313,7 +28379,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -28379,10 +28445,10 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.67,
+configured by $0, generated by GNU Autoconf 2.65,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2009 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -28398,16 +28464,11 @@ ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
-  --*=?*)
+  --*=*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
-  --*=)
-    ac_option=`expr "X$1" : 'X\([^=]*\)='`
-    ac_optarg=
-    ac_shift=:
-    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -28429,7 +28490,6 @@ do
     $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;;
@@ -28442,7 +28502,7 @@ do
     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 ;;
@@ -28451,7 +28511,7 @@ Try \`$0 --help' for more information.";;
     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 " $1"
@@ -28525,6 +28585,8 @@ do
     "bin/named/unix/Makefile") CONFIG_FILES="$CONFIG_FILES bin/named/unix/Makefile" ;;
     "bin/nsupdate/Makefile") CONFIG_FILES="$CONFIG_FILES bin/nsupdate/Makefile" ;;
     "bin/pkcs11/Makefile") CONFIG_FILES="$CONFIG_FILES bin/pkcs11/Makefile" ;;
+    "bin/python/Makefile") CONFIG_FILES="$CONFIG_FILES bin/python/Makefile" ;;
+    "bin/python/dnssec-checkds.py") CONFIG_FILES="$CONFIG_FILES bin/python/dnssec-checkds.py" ;;
     "bin/rndc/Makefile") CONFIG_FILES="$CONFIG_FILES bin/rndc/Makefile" ;;
     "bin/tests/Makefile") CONFIG_FILES="$CONFIG_FILES bin/tests/Makefile" ;;
     "bin/tests/atomic/Makefile") CONFIG_FILES="$CONFIG_FILES bin/tests/atomic/Makefile" ;;
@@ -28642,7 +28704,7 @@ do
     "unit/Makefile") CONFIG_FILES="$CONFIG_FILES unit/Makefile" ;;
     "unit/unittest.sh") CONFIG_FILES="$CONFIG_FILES unit/unittest.sh" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -28680,7 +28742,7 @@ $debug ||
 {
   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
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -28714,7 +28776,7 @@ if test "x$ac_cr" = x; then
 fi
 ac_cs_awk_cr=`$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
@@ -28731,7 +28793,7 @@ _ACEOF
   echo "_ACEOF"
 } >conf$$files.sh &&
 . ./conf$$files.sh ||
-  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+  as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5
 rm -f conf$$files.sh
 
 {
@@ -28739,18 +28801,18 @@ rm -f conf$$files.sh
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$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 _$ac_delim!! "
   fi
@@ -28845,28 +28907,20 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
 else
   cat
 fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+  || as_fn_error "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
-# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
-h
-s///
-s/^/:/
-s/[	 ]*$/:/
-s/:\$(srcdir):/:/g
-s/:\${srcdir}:/:/g
-s/:@srcdir@:/:/g
-s/^:*//
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[	 ]*\):*/\1/
 s/:*$//
-x
-s/\(=[	 ]*\).*/\1/
-G
-s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -28894,7 +28948,7 @@ for ac_last_try in false false :; do
   if test -z "$ac_t"; 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 _$ac_delim!! "
   fi
@@ -28979,7 +29033,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _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"
 
 
@@ -28992,7 +29046,7 @@ do
   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:$ac_tag.in;;
   esac
@@ -29020,7 +29074,7 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error "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'"
@@ -29047,7 +29101,7 @@ $as_echo "$as_me: creating $ac_file" >&6;}
 
     case $ac_tag in
     *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -29183,22 +29237,22 @@ if $ac_cs_awk_getline; then
 else
   $AWK -f "$tmp/subs.awk" | $SHELL
 fi >$tmp/out \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+  || 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"; } &&
   { $as_echo "$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"
   case $ac_file in
   -) cat "$tmp/out" && rm -f "$tmp/out";;
   *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
   esac \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+  || as_fn_error "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -29209,19 +29263,19 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
       $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
+      || as_fn_error "could not create $ac_file" "$LINENO" 5
     if diff "$ac_file" "$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
+	|| 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
+      || as_fn_error "could not create -" "$LINENO" 5
   fi
  ;;
 
@@ -29244,7 +29298,7 @@ _ACEOF
 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.
@@ -29265,7 +29319,7 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit 1
+  $ac_cs_success || as_fn_exit $?
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
diff --git a/configure.in b/configure.in
index 2c3f1f22a04..f1d1269b38e 100644
--- a/configure.in
+++ b/configure.in
@@ -136,6 +136,19 @@ AC_SUBST(ETAGS)
 AC_PATH_PROGS(PERL, perl5 perl)
 AC_SUBST(PERL)
 
+#
+# Python is also optional; it is used by the tools in bin/python.
+# If python is unavailable, we simply don't build those.
+#
+AC_PATH_PROGS(PYTHON, python)
+AC_SUBST(PYTHON)
+
+PYTHON_TOOLS=''
+if test "X$PYTHON" != "X"; then
+        PYTHON_TOOLS=python
+fi
+AC_SUBST(PYTHON_TOOLS)
+
 #
 # Special processing of paths depending on whether --prefix,
 # --sysconfdir or --localstatedir arguments were given.  What's
@@ -3465,6 +3478,8 @@ AC_CONFIG_FILES([
 	bin/named/unix/Makefile
 	bin/nsupdate/Makefile
 	bin/pkcs11/Makefile
+	bin/python/Makefile
+	bin/python/dnssec-checkds.py
 	bin/rndc/Makefile
 	bin/tests/Makefile
 	bin/tests/atomic/Makefile