diff --git a/configure b/configure
index 2a454e8f11..f525effb69 100755
--- a/configure
+++ b/configure
@@ -15,7 +15,7 @@
 # NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 # WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-# From configure.in Revision: 1.246 
+# From configure.in Revision: 1.250 
 
 ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
 ## Copyright (C) 1996-1999, 2000 Free Software Foundation, Inc.
@@ -134,7 +134,7 @@ ac_help="$ac_help
 ac_help="$ac_help
   --with-randomdev=PATH Specify path for random device"
 ac_help="$ac_help
-  --disable-threads	disable multithreading"
+  --enable-threads	enable multithreading"
 ac_help="$ac_help
   --with-ptl2		on NetBSD, use the ptl2 thread library (experimental)"
 ac_help="$ac_help
@@ -1673,13 +1673,43 @@ EOF
  ;;
 esac
 
+
+#
+# UnixWare 7.1.1 with the feature supplement to the UDK compiler
+# is reported to not support "static inline" (RT #1212).
+#
+echo $ac_n "checking for static inline breakage""... $ac_c" 1>&6
+echo "configure:1683: checking for static inline breakage" >&5
+cat > conftest.$ac_ext <<EOF
+#line 1685 "configure"
+#include "confdefs.h"
+
+int main() {
+} static inline foo() {
+; return 0; }
+EOF
+if { (eval echo configure:1692: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+         cat >> confdefs.h <<\EOF
+#define inline 
+EOF
+
+fi
+rm -f conftest*
+
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1678: checking for size_t" >&5
+echo "configure:1708: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1683 "configure"
+#line 1713 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1707,12 +1737,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1711: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1741: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1716 "configure"
+#line 1746 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1721,7 +1751,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1725: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1742,16 +1772,16 @@ EOF
 fi
 
 echo $ac_n "checking for long long""... $ac_c" 1>&6
-echo "configure:1746: checking for long long" >&5
+echo "configure:1776: checking for long long" >&5
 cat > conftest.$ac_ext <<EOF
-#line 1748 "configure"
+#line 1778 "configure"
 #include "confdefs.h"
 
 int main() {
 long long i = 0; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:1755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1785: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 		ISC_PLATFORM_HAVELONGLONG="#define ISC_PLATFORM_HAVELONGLONG 1"
@@ -1771,9 +1801,9 @@ rm -f conftest*
 case $ac_cv_header_unistd_h in
 yes)
 echo $ac_n "checking if unistd.h defines fd_set""... $ac_c" 1>&6
-echo "configure:1775: checking if unistd.h defines fd_set" >&5
+echo "configure:1805: checking if unistd.h defines fd_set" >&5
 cat > conftest.$ac_ext <<EOF
-#line 1777 "configure"
+#line 1807 "configure"
 #include "confdefs.h"
 
 #include <unistd.h>
@@ -1781,7 +1811,7 @@ int main() {
 fd_set read_set; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:1785: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1815: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	 ISC_PLATFORM_NEEDSYSSELECTH="#undef ISC_PLATFORM_NEEDSYSSELECTH"
@@ -1823,14 +1853,14 @@ esac
 # Find the machine's endian flavor.
 #
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:1827: checking whether byte ordering is bigendian" >&5
+echo "configure:1857: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 1834 "configure"
+#line 1864 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1841,11 +1871,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1845: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1875: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 1849 "configure"
+#line 1879 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1856,7 +1886,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1860: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1890: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -1876,7 +1906,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1880 "configure"
+#line 1910 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -1889,7 +1919,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:1893: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1923: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -1917,7 +1947,7 @@ fi
 # was --with-openssl specified?
 #
 echo $ac_n "checking for compatible OpenSSL library""... $ac_c" 1>&6
-echo "configure:1921: checking for compatible OpenSSL library" >&5
+echo "configure:1951: checking for compatible OpenSSL library" >&5
 # Check whether --with-openssl or --without-openssl was given.
 if test "${with_openssl+set}" = set; then
   withval="$with_openssl"
@@ -2013,7 +2043,7 @@ DNS_GSSAPI_LIBS=''
 # was --with-randomdev specified?
 #
 echo $ac_n "checking for random device""... $ac_c" 1>&6
-echo "configure:2017: checking for random device" >&5
+echo "configure:2047: checking for random device" >&5
 # Check whether --with-randomdev or --without-randomdev was given.
 if test "${with_randomdev+set}" = set; then
   withval="$with_randomdev"
@@ -2036,7 +2066,7 @@ case "$use_randomdev" in
 		
 ac_safe=`echo "$devrandom" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $devrandom""... $ac_c" 1>&6
-echo "configure:2040: checking for $devrandom" >&5
+echo "configure:2070: checking for $devrandom" >&5
 if eval "test \"`echo '$''{'ac_cv_file_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2079,8 +2109,49 @@ esac
 #
 # First, decide whether to use multithreading or not.
 #
-echo $ac_n "checking whether to look for thread support""... $ac_c" 1>&6
-echo "configure:2084: checking whether to look for thread support" >&5
+# Enable multithreading by default on systems where it is known
+# to work well, and where debugging of multithreaded programs
+# is supported.
+#
+
+echo $ac_n "checking whether to build with thread support""... $ac_c" 1>&6
+echo "configure:2119: checking whether to build with thread support" >&5
+
+case $host in
+*-dec-osf*)
+	use_threads=true ;;
+*-solaris-2.0-6)
+	# Thread signals are broken on Solaris 2.6; they are sometimes
+	# delivered to the wrong thread.
+	use_threads=false ;;
+*-solaris-2.*)
+	use_threads=true ;;
+*-ibm-aix*)
+	use_threads=true ;;
+*-UnixWare*)
+	use_threads=false ;;
+*-netbsd*)
+	# Socket I/O optimizations introduced in 9.2 expose a
+	# bug in unproven-pthreads; see PR #12650
+	use_threads=false ;;
+*-openbsd*)
+	# OpenBSD users have reported that named dumps core on
+	# startup when built with threads.
+	use_threads=false ;;
+*-freebsd*)
+	use_threads=false ;;
+*-bsdi*)
+	# Thread signals do not appear to work reliably on BSDI.
+	use_threads=false ;;
+*-linux*)
+   	# Threads are disabled on Linux by default because most
+	# Linux kernels produce unusable core dumps from multithreaded
+	# programs, and because of limitations in setuid().
+	use_threads=false ;;	
+*)
+	use_threads=false ;;
+esac
+
 # Check whether --enable-threads or --disable-threads was given.
 if test "${enable_threads+set}" = set; then
   enableval="$enable_threads"
@@ -2088,19 +2159,27 @@ if test "${enable_threads+set}" = set; then
 fi
 
 case "$enable_threads" in
-	yes|'')
-		echo "$ac_t""yes" 1>&6
+	yes)
 		use_threads=true
 		;;
 	no)
-		echo "$ac_t""no" 1>&6	
 		use_threads=false
 		;;
+	'')
+		# Use system-dependent default
+		;;
 	*)
 	    	{ echo "configure: error: --enable-threads takes yes or no" 1>&2; exit 1; }
 		;;
 esac
 
+if $use_threads
+then
+	echo "$ac_t""yes" 1>&6
+else
+	echo "$ac_t""no" 1>&6	
+fi
+
 if $use_threads
 then
 	#
@@ -2117,7 +2196,7 @@ then
 		# experiment with it.
 		CC="gcc"
 		echo $ac_n "checking which NetBSD thread library to use""... $ac_c" 1>&6
-echo "configure:2121: checking which NetBSD thread library to use" >&5
+echo "configure:2200: checking which NetBSD thread library to use" >&5
 
 		# Check whether --with-ptl2 or --without-ptl2 was given.
 if test "${with_ptl2+set}" = set; then
@@ -2139,7 +2218,7 @@ fi
 			if test ! -d $LOCALBASE/pthreads
 			then
 				echo "$ac_t""none" 1>&6
-				use_threads=false
+				{ echo "configure: error: "could not find thread libraries"" 1>&2; exit 1; }
 			fi
 
 			if $use_threads
@@ -2156,7 +2235,7 @@ fi
 		;;
 		*)
 			echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:2160: checking for pthread_create in -lpthread" >&5
+echo "configure:2239: checking for pthread_create in -lpthread" >&5
 ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2164,7 +2243,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2168 "configure"
+#line 2247 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2175,7 +2254,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:2179: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2201,7 +2280,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for __pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:2205: checking for __pthread_create in -lpthread" >&5
+echo "configure:2284: checking for __pthread_create in -lpthread" >&5
 ac_lib_var=`echo pthread'_'__pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2209,7 +2288,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2213 "configure"
+#line 2292 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2220,7 +2299,7 @@ int main() {
 __pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:2224: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2303: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2246,7 +2325,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for __pthread_create_system in -lpthread""... $ac_c" 1>&6
-echo "configure:2250: checking for __pthread_create_system in -lpthread" >&5
+echo "configure:2329: checking for __pthread_create_system in -lpthread" >&5
 ac_lib_var=`echo pthread'_'__pthread_create_system | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2254,7 +2333,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2258 "configure"
+#line 2337 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2265,7 +2344,7 @@ int main() {
 __pthread_create_system()
 ; return 0; }
 EOF
-if { (eval echo configure:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2291,7 +2370,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:2295: checking for pthread_create in -lc_r" >&5
+echo "configure:2374: checking for pthread_create in -lc_r" >&5
 ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2299,7 +2378,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2303 "configure"
+#line 2382 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2310,7 +2389,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:2314: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2393: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2336,7 +2415,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
-echo "configure:2340: checking for pthread_create in -lc" >&5
+echo "configure:2419: checking for pthread_create in -lc" >&5
 ac_lib_var=`echo c'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2344,7 +2423,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2348 "configure"
+#line 2427 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2355,7 +2434,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:2359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2380,7 +2459,7 @@ EOF
 
 else
   echo "$ac_t""no" 1>&6
-use_threads=false
+{ echo "configure: error: "could not find thread libraries"" 1>&2; exit 1; }
 fi
 
 fi
@@ -2401,7 +2480,7 @@ then
 	# We'd like to use sigwait() too
 	#
 	echo $ac_n "checking for sigwait in -lc""... $ac_c" 1>&6
-echo "configure:2405: checking for sigwait in -lc" >&5
+echo "configure:2484: checking for sigwait in -lc" >&5
 ac_lib_var=`echo c'_'sigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2409,7 +2488,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2413 "configure"
+#line 2492 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2420,7 +2499,7 @@ int main() {
 sigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:2424: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2442,7 +2521,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for sigwait in -lpthread""... $ac_c" 1>&6
-echo "configure:2446: checking for sigwait in -lpthread" >&5
+echo "configure:2525: checking for sigwait in -lpthread" >&5
 ac_lib_var=`echo pthread'_'sigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2450,7 +2529,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2454 "configure"
+#line 2533 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2461,7 +2540,7 @@ int main() {
 sigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:2465: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2544: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2483,7 +2562,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for _Psigwait in -lpthread""... $ac_c" 1>&6
-echo "configure:2487: checking for _Psigwait in -lpthread" >&5
+echo "configure:2566: checking for _Psigwait in -lpthread" >&5
 ac_lib_var=`echo pthread'_'_Psigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2491,7 +2570,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2495 "configure"
+#line 2574 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2502,7 +2581,7 @@ int main() {
 _Psigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:2506: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2585: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2532,12 +2611,12 @@ fi
 
 
 	echo $ac_n "checking for pthread_attr_getstacksize""... $ac_c" 1>&6
-echo "configure:2536: checking for pthread_attr_getstacksize" >&5
+echo "configure:2615: checking for pthread_attr_getstacksize" >&5
 if eval "test \"`echo '$''{'ac_cv_func_pthread_attr_getstacksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2541 "configure"
+#line 2620 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char pthread_attr_getstacksize(); below.  */
@@ -2560,7 +2639,7 @@ pthread_attr_getstacksize();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2564: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_pthread_attr_getstacksize=yes"
 else
@@ -2592,7 +2671,7 @@ fi
 		#
 		*-freebsd*)
 			echo $ac_n "checking for sigwait in -lc_r""... $ac_c" 1>&6
-echo "configure:2596: checking for sigwait in -lc_r" >&5
+echo "configure:2675: checking for sigwait in -lc_r" >&5
 ac_lib_var=`echo c_r'_'sigwait | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2600,7 +2679,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2604 "configure"
+#line 2683 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2611,7 +2690,7 @@ int main() {
 sigwait()
 ; return 0; }
 EOF
-if { (eval echo configure:2615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2694: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2666,12 +2745,12 @@ EOF
 EOF
 
 			echo $ac_n "checking for pthread_setconcurrency""... $ac_c" 1>&6
-echo "configure:2670: checking for pthread_setconcurrency" >&5
+echo "configure:2749: checking for pthread_setconcurrency" >&5
 if eval "test \"`echo '$''{'ac_cv_func_pthread_setconcurrency'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2675 "configure"
+#line 2754 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char pthread_setconcurrency(); below.  */
@@ -2694,7 +2773,7 @@ pthread_setconcurrency();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2698: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_pthread_setconcurrency=yes"
 else
@@ -2732,12 +2811,12 @@ EOF
 	# Look for sysconf to allow detection of the number of processors.
 	#
 	echo $ac_n "checking for sysconf""... $ac_c" 1>&6
-echo "configure:2736: checking for sysconf" >&5
+echo "configure:2815: checking for sysconf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_sysconf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2741 "configure"
+#line 2820 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char sysconf(); below.  */
@@ -2760,7 +2839,7 @@ sysconf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2764: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2843: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_sysconf=yes"
 else
@@ -2840,12 +2919,12 @@ ISC_THREAD_DIR=$thread_dir
 # even if compiled with --disable-threads.
 #
 echo $ac_n "checking for flockfile""... $ac_c" 1>&6
-echo "configure:2844: checking for flockfile" >&5
+echo "configure:2923: checking for flockfile" >&5
 if eval "test \"`echo '$''{'ac_cv_func_flockfile'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2849 "configure"
+#line 2928 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char flockfile(); below.  */
@@ -2868,7 +2947,7 @@ flockfile();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2872: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2951: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_flockfile=yes"
 else
@@ -2895,7 +2974,7 @@ fi
 # Indicate what the final decision was regarding threads.
 #
 echo $ac_n "checking whether to build with threads""... $ac_c" 1>&6
-echo "configure:2899: checking whether to build with threads" >&5
+echo "configure:2978: checking whether to build with threads" >&5
 if $use_threads; then
 	echo "$ac_t""yes" 1>&6
 else
@@ -2970,12 +3049,12 @@ fi
 # NLS
 #
 echo $ac_n "checking for catgets""... $ac_c" 1>&6
-echo "configure:2974: checking for catgets" >&5
+echo "configure:3053: checking for catgets" >&5
 if eval "test \"`echo '$''{'ac_cv_func_catgets'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2979 "configure"
+#line 3058 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char catgets(); below.  */
@@ -2998,7 +3077,7 @@ catgets();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3002: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_catgets=yes"
 else
@@ -3036,7 +3115,7 @@ case "$host" in
 		;;
 	*)
 		echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:3040: checking for socket in -lsocket" >&5
+echo "configure:3119: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3044,7 +3123,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3048 "configure"
+#line 3127 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3055,7 +3134,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:3059: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3138: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3083,7 +3162,7 @@ else
 fi
 
 		echo $ac_n "checking for inet_ntoa in -lnsl""... $ac_c" 1>&6
-echo "configure:3087: checking for inet_ntoa in -lnsl" >&5
+echo "configure:3166: checking for inet_ntoa in -lnsl" >&5
 ac_lib_var=`echo nsl'_'inet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3091,7 +3170,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3095 "configure"
+#line 3174 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3102,7 +3181,7 @@ int main() {
 inet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:3106: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3185: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3136,7 +3215,7 @@ esac
 # Purify support
 #
 echo $ac_n "checking whether to use purify""... $ac_c" 1>&6
-echo "configure:3140: checking whether to use purify" >&5
+echo "configure:3219: checking whether to use purify" >&5
 # Check whether --with-purify or --without-purify was given.
 if test "${with_purify+set}" = set; then
   withval="$with_purify"
@@ -3153,7 +3232,7 @@ case "$use_purify" in
 		# Extract the first word of "purify", so it can be a program name with args.
 set dummy purify; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3157: checking for $ac_word" >&5
+echo "configure:3236: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_purify_path'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3299,7 +3378,7 @@ else
 fi
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:3303: checking build system type" >&5
+echo "configure:3382: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -3328,7 +3407,7 @@ ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:3332: checking for ld used by GCC" >&5
+echo "configure:3411: checking for ld used by GCC" >&5
   ac_prog=`($CC -print-prog-name=ld) 2>&5`
   case "$ac_prog" in
     # Accept absolute paths.
@@ -3352,10 +3431,10 @@ echo "configure:3332: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:3356: checking for GNU ld" >&5
+echo "configure:3435: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:3359: checking for non-GNU ld" >&5
+echo "configure:3438: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3390,7 +3469,7 @@ else
 fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:3394: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:3473: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3406,7 +3485,7 @@ echo "$ac_t""$ac_cv_prog_gnu_ld" 1>&6
 
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:3410: checking for BSD-compatible nm" >&5
+echo "configure:3489: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3442,7 +3521,7 @@ NM="$ac_cv_path_NM"
 echo "$ac_t""$NM" 1>&6
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:3446: checking whether ln -s works" >&5
+echo "configure:3525: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3491,8 +3570,8 @@ test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 case "$lt_target" in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 3495 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:3496: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 3574 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:3575: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case "`/usr/bin/file conftest.o`" in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -3513,19 +3592,19 @@ case "$lt_target" in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:3517: checking whether the C compiler needs -belf" >&5
+echo "configure:3596: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3522 "configure"
+#line 3601 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:3529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3608: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -3681,9 +3760,9 @@ esac
 # the right suffix on the files.
 #
 echo $ac_n "checking for IPv6 structures""... $ac_c" 1>&6
-echo "configure:3685: checking for IPv6 structures" >&5
+echo "configure:3764: checking for IPv6 structures" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3687 "configure"
+#line 3766 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3693,7 +3772,7 @@ int main() {
 struct sockaddr_in6 sin6; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:3697: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3776: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	 found_ipv6=yes
@@ -3711,7 +3790,7 @@ rm -f conftest*
 # This is done before other IPv6 linking tests to LIBS is properly set.
 #
 echo $ac_n "checking for Kame IPv6 support""... $ac_c" 1>&6
-echo "configure:3715: checking for Kame IPv6 support" >&5
+echo "configure:3794: checking for Kame IPv6 support" >&5
 # Check whether --with-kame or --without-kame was given.
 if test "${with_kame+set}" = set; then
   withval="$with_kame"
@@ -3801,9 +3880,9 @@ case "$found_ipv6" in
 		LWRES_PLATFORM_HAVEIPV6="#define LWRES_PLATFORM_HAVEIPV6 1"
 
 		echo $ac_n "checking for in6_addr""... $ac_c" 1>&6
-echo "configure:3805: checking for in6_addr" >&5
+echo "configure:3884: checking for in6_addr" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3807 "configure"
+#line 3886 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3816,7 +3895,7 @@ int main() {
 struct in6_addr in6; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:3820: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3899: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 		 ISC_PLATFORM_HAVEINADDR6="#undef ISC_PLATFORM_HAVEINADDR6"
@@ -3834,9 +3913,9 @@ fi
 rm -f conftest*
 
 		echo $ac_n "checking for in6addr_any""... $ac_c" 1>&6
-echo "configure:3838: checking for in6addr_any" >&5
+echo "configure:3917: checking for in6addr_any" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3840 "configure"
+#line 3919 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3850,7 +3929,7 @@ int main() {
 struct in6_addr in6; in6 = in6addr_any; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:3854: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3933: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 			 ISC_PLATFORM_NEEDIN6ADDRANY="#undef ISC_PLATFORM_NEEDIN6ADDRANY"
@@ -3866,9 +3945,9 @@ fi
 rm -f conftest*
 
 		echo $ac_n "checking for sin6_scope_id in struct sockaddr_in6""... $ac_c" 1>&6
-echo "configure:3870: checking for sin6_scope_id in struct sockaddr_in6" >&5
+echo "configure:3949: checking for sin6_scope_id in struct sockaddr_in6" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3872 "configure"
+#line 3951 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3881,7 +3960,7 @@ int main() {
 struct sockaddr_in6 xyzzy; xyzzy.sin6_scope_id = 0; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:3885: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3964: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 			 result="#define LWRES_HAVE_SIN6_SCOPE_ID 1"
@@ -3896,9 +3975,9 @@ rm -f conftest*
 		LWRES_HAVE_SIN6_SCOPE_ID="$result"
 
 		echo $ac_n "checking for in6_pktinfo""... $ac_c" 1>&6
-echo "configure:3900: checking for in6_pktinfo" >&5
+echo "configure:3979: checking for in6_pktinfo" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3902 "configure"
+#line 3981 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3911,7 +3990,7 @@ int main() {
 struct in6_pktinfo xyzzy; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:3915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3994: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 			 ISC_PLATFORM_HAVEIN6PKTINFO="#define ISC_PLATFORM_HAVEIN6PKTINFO 1"
@@ -3964,9 +4043,9 @@ esac
 #
 
 echo $ac_n "checking for inet_ntop""... $ac_c" 1>&6
-echo "configure:3968: checking for inet_ntop" >&5
+echo "configure:4047: checking for inet_ntop" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3970 "configure"
+#line 4049 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3976,7 +4055,7 @@ int main() {
 inet_ntop(0, 0, 0, 0); return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:3980: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4059: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
         ISC_PLATFORM_NEEDNTOP="#undef ISC_PLATFORM_NEEDNTOP"
@@ -3996,12 +4075,12 @@ rm -f conftest*
 # addresses with less than four octets, like "1.2.3".
 
 echo $ac_n "checking for inet_pton""... $ac_c" 1>&6
-echo "configure:4000: checking for inet_pton" >&5
+echo "configure:4079: checking for inet_pton" >&5
 if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4005 "configure"
+#line 4084 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4010,7 +4089,7 @@ else
 #include <arpa/inet.h>
 main() { char a[4]; return (inet_pton(AF_INET, "1.2.3", a) == 0 ? 0 : 1); }
 EOF
-if { (eval echo configure:4014: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""yes" 1>&6
         ISC_PLATFORM_NEEDPTON="#undef ISC_PLATFORM_NEEDPTON"
@@ -4028,9 +4107,9 @@ fi
 
 
 echo $ac_n "checking for inet_aton""... $ac_c" 1>&6
-echo "configure:4032: checking for inet_aton" >&5
+echo "configure:4111: checking for inet_aton" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4034 "configure"
+#line 4113 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4040,7 +4119,7 @@ int main() {
 struct in_addr in; inet_aton(0, &in); return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:4044: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
         ISC_PLATFORM_NEEDATON="#undef ISC_PLATFORM_NEEDATON"
@@ -4073,9 +4152,9 @@ EOF
 esac
 
 echo $ac_n "checking for sa_len in struct sockaddr""... $ac_c" 1>&6
-echo "configure:4077: checking for sa_len in struct sockaddr" >&5
+echo "configure:4156: checking for sa_len in struct sockaddr" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4079 "configure"
+#line 4158 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4084,7 +4163,7 @@ int main() {
 struct sockaddr sa; sa.sa_len = 0; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:4088: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4167: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_PLATFORM_HAVESALEN="#define ISC_PLATFORM_HAVESALEN 1"
@@ -4105,9 +4184,9 @@ rm -f conftest*
 # Look for a 4.4BSD or 4.3BSD struct msghdr
 #
 echo $ac_n "checking for struct msghdr flavor""... $ac_c" 1>&6
-echo "configure:4109: checking for struct msghdr flavor" >&5
+echo "configure:4188: checking for struct msghdr flavor" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4111 "configure"
+#line 4190 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4116,7 +4195,7 @@ int main() {
 struct msghdr msg; msg.msg_flags = 0; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:4120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4199: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""4.4BSD" 1>&6
 	ISC_PLATFORM_MSGHDRFLAVOR="#define ISC_NET_BSD44MSGHDR 1"
@@ -4134,9 +4213,9 @@ rm -f conftest*
 # Look for in_port_t.
 #
 echo $ac_n "checking for type in_port_t""... $ac_c" 1>&6
-echo "configure:4138: checking for type in_port_t" >&5
+echo "configure:4217: checking for type in_port_t" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4140 "configure"
+#line 4219 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4145,7 +4224,7 @@ int main() {
 in_port_t port = 25; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:4149: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4228: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_PLATFORM_NEEDPORTT="#undef ISC_PLATFORM_NEEDPORTT"
@@ -4163,9 +4242,9 @@ rm -f conftest*
 # Check for addrinfo
 #
 echo $ac_n "checking for struct addrinfo""... $ac_c" 1>&6
-echo "configure:4167: checking for struct addrinfo" >&5
+echo "configure:4246: checking for struct addrinfo" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4169 "configure"
+#line 4248 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4173,7 +4252,7 @@ int main() {
 struct addrinfo a; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:4177: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4256: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_NEEDADDRINFO="#undef ISC_LWRES_NEEDADDRINFO"
@@ -4192,9 +4271,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int sethostent""... $ac_c" 1>&6
-echo "configure:4196: checking for int sethostent" >&5
+echo "configure:4275: checking for int sethostent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4198 "configure"
+#line 4277 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4202,7 +4281,7 @@ int main() {
 int i = sethostent(0); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4206: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4285: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_SETHOSTENTINT="#define ISC_LWRES_SETHOSTENTINT 1"
@@ -4217,9 +4296,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int endhostent""... $ac_c" 1>&6
-echo "configure:4221: checking for int endhostent" >&5
+echo "configure:4300: checking for int endhostent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4223 "configure"
+#line 4302 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4227,7 +4306,7 @@ int main() {
 int i = endhostent(); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4231: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4310: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_ENDHOSTENTINT="#define ISC_LWRES_ENDHOSTENTINT 1"
@@ -4242,9 +4321,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for getnetbyaddr(in_addr_t, ...)""... $ac_c" 1>&6
-echo "configure:4246: checking for getnetbyaddr(in_addr_t, ...)" >&5
+echo "configure:4325: checking for getnetbyaddr(in_addr_t, ...)" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4248 "configure"
+#line 4327 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4253,7 +4332,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:4257: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4336: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_GETNETBYADDRINADDR="#define ISC_LWRES_GETNETBYADDRINADDR 1"
@@ -4268,9 +4347,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int setnetent""... $ac_c" 1>&6
-echo "configure:4272: checking for int setnetent" >&5
+echo "configure:4351: checking for int setnetent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4274 "configure"
+#line 4353 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4278,7 +4357,7 @@ int main() {
 int i = setnetent(0); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4282: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_SETNETENTINT="#define ISC_LWRES_SETNETENTINT 1"
@@ -4293,9 +4372,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for int endnetent""... $ac_c" 1>&6
-echo "configure:4297: checking for int endnetent" >&5
+echo "configure:4376: checking for int endnetent" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4299 "configure"
+#line 4378 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4303,7 +4382,7 @@ int main() {
 int i = endnetent(); return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4307: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4386: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_ENDNETENTINT="#define ISC_LWRES_ENDNETENTINT 1"
@@ -4318,9 +4397,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for gethostbyaddr(const void *, size_t, ...)""... $ac_c" 1>&6
-echo "configure:4322: checking for gethostbyaddr(const void *, size_t, ...)" >&5
+echo "configure:4401: checking for gethostbyaddr(const void *, size_t, ...)" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4324 "configure"
+#line 4403 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4329,7 +4408,7 @@ int main() {
 return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4333: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4412: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_GETHOSTBYADDRVOID="#define ISC_LWRES_GETHOSTBYADDRVOID 1"
@@ -4344,9 +4423,9 @@ rm -f conftest*
 
 
 echo $ac_n "checking for h_errno in netdb.h""... $ac_c" 1>&6
-echo "configure:4348: checking for h_errno in netdb.h" >&5
+echo "configure:4427: checking for h_errno in netdb.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4350 "configure"
+#line 4429 "configure"
 #include "confdefs.h"
 
 #include <netdb.h>
@@ -4354,7 +4433,7 @@ int main() {
 h_errno = 1; return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4358: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4437: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	ISC_LWRES_NEEDHERRNO="#undef ISC_LWRES_NEEDHERRNO"
@@ -4369,12 +4448,12 @@ rm -f conftest*
 
 
 echo $ac_n "checking for getipnodebyname""... $ac_c" 1>&6
-echo "configure:4373: checking for getipnodebyname" >&5
+echo "configure:4452: checking for getipnodebyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getipnodebyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4378 "configure"
+#line 4457 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getipnodebyname(); below.  */
@@ -4397,7 +4476,7 @@ getipnodebyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4401: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4480: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getipnodebyname=yes"
 else
@@ -4418,12 +4497,12 @@ ISC_LWRES_GETIPNODEPROTO="#define ISC_LWRES_GETIPNODEPROTO 1"
 fi
 
 echo $ac_n "checking for getnameinfo""... $ac_c" 1>&6
-echo "configure:4422: checking for getnameinfo" >&5
+echo "configure:4501: checking for getnameinfo" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getnameinfo'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4427 "configure"
+#line 4506 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getnameinfo(); below.  */
@@ -4446,7 +4525,7 @@ getnameinfo();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4450: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getnameinfo=yes"
 else
@@ -4467,12 +4546,12 @@ ISC_LWRES_GETNAMEINFOPROTO="#define ISC_LWRES_GETNAMEINFOPROTO 1"
 fi
 
 echo $ac_n "checking for getaddrinfo""... $ac_c" 1>&6
-echo "configure:4471: checking for getaddrinfo" >&5
+echo "configure:4550: checking for getaddrinfo" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getaddrinfo'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4476 "configure"
+#line 4555 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getaddrinfo(); below.  */
@@ -4495,7 +4574,7 @@ getaddrinfo();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4499: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4578: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getaddrinfo=yes"
 else
@@ -4520,12 +4599,12 @@ ISC_LWRES_GETADDRINFOPROTO="#define ISC_LWRES_GETADDRINFOPROTO 1"
 fi
 
 echo $ac_n "checking for gai_strerror""... $ac_c" 1>&6
-echo "configure:4524: checking for gai_strerror" >&5
+echo "configure:4603: checking for gai_strerror" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gai_strerror'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4529 "configure"
+#line 4608 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gai_strerror(); below.  */
@@ -4548,7 +4627,7 @@ gai_strerror();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4552: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4631: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gai_strerror=yes"
 else
@@ -4578,9 +4657,9 @@ fi
 # Look for a sysctl call to get the list of network interfaces.
 #
 echo $ac_n "checking for interface list sysctl""... $ac_c" 1>&6
-echo "configure:4582: checking for interface list sysctl" >&5
+echo "configure:4661: checking for interface list sysctl" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4584 "configure"
+#line 4663 "configure"
 #include "confdefs.h"
 
 #include <sys/param.h>
@@ -4610,12 +4689,12 @@ rm -f conftest*
 # Check for some other useful functions that are not ever-present.
 #
 echo $ac_n "checking for strsep""... $ac_c" 1>&6
-echo "configure:4614: checking for strsep" >&5
+echo "configure:4693: checking for strsep" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strsep'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4619 "configure"
+#line 4698 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strsep(); below.  */
@@ -4638,7 +4717,7 @@ strsep();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4642: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4721: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strsep=yes"
 else
@@ -4659,12 +4738,12 @@ ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"
 fi
 
 echo $ac_n "checking for vsnprintf""... $ac_c" 1>&6
-echo "configure:4663: checking for vsnprintf" >&5
+echo "configure:4742: checking for vsnprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vsnprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4668 "configure"
+#line 4747 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vsnprintf(); below.  */
@@ -4687,7 +4766,7 @@ vsnprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4691: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4770: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vsnprintf=yes"
 else
@@ -4723,17 +4802,17 @@ fi
 # but that's defined elsewhere since we don't use configure on Win32.
 #
 echo $ac_n "checking printf format modifier for 64-bit integers""... $ac_c" 1>&6
-echo "configure:4727: checking printf format modifier for 64-bit integers" >&5
+echo "configure:4806: checking printf format modifier for 64-bit integers" >&5
 if test "$cross_compiling" = yes; then
   echo "$ac_t""default ll" 1>&6
 	ISC_PLATFORM_QUADFORMAT='#define ISC_PLATFORM_QUADFORMAT "ll"'
 else
   cat > conftest.$ac_ext <<EOF
-#line 4733 "configure"
+#line 4812 "configure"
 #include "confdefs.h"
 main() { exit(!(sizeof(long long int) == sizeof(long int))); }
 EOF
-if { (eval echo configure:4737: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4816: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""l" 1>&6
 	ISC_PLATFORM_QUADFORMAT='#define ISC_PLATFORM_QUADFORMAT "l"'
@@ -4753,12 +4832,12 @@ fi
 # Security Stuff
 #
 echo $ac_n "checking for chroot""... $ac_c" 1>&6
-echo "configure:4757: checking for chroot" >&5
+echo "configure:4836: checking for chroot" >&5
 if eval "test \"`echo '$''{'ac_cv_func_chroot'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4762 "configure"
+#line 4841 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char chroot(); below.  */
@@ -4781,7 +4860,7 @@ chroot();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4785: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4864: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_chroot=yes"
 else
@@ -4807,17 +4886,17 @@ for ac_hdr in linux/capability.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4811: checking for $ac_hdr" >&5
+echo "configure:4890: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4816 "configure"
+#line 4895 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4821: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4900: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4847,17 +4926,17 @@ for ac_hdr in sys/prctl.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4851: checking for $ac_hdr" >&5
+echo "configure:4930: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4856 "configure"
+#line 4935 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4861: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4940: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4888,9 +4967,9 @@ done
 # BSD/OS, and perhaps some others, don't define rlim_t.
 #
 echo $ac_n "checking for type rlim_t""... $ac_c" 1>&6
-echo "configure:4892: checking for type rlim_t" >&5
+echo "configure:4971: checking for type rlim_t" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4894 "configure"
+#line 4973 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4900,7 +4979,7 @@ int main() {
 rlim_t rl = 19671212; return (0);
 ; return 0; }
 EOF
-if { (eval echo configure:4904: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4983: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
          cat >> confdefs.h <<\EOF
@@ -4915,12 +4994,12 @@ else
 fi
 rm -f conftest*
 echo $ac_n "checking sizeof rlim_cur""... $ac_c" 1>&6
-echo "configure:4919: checking sizeof rlim_cur" >&5
+echo "configure:4998: checking sizeof rlim_cur" >&5
 if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4924 "configure"
+#line 5003 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4928,7 +5007,7 @@ else
 #include <sys/resource.h>
 main() { struct rlimit r; exit(!(sizeof(r.rlim_cur) == sizeof(int)));}
 EOF
-if { (eval echo configure:4932: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5011: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""int" 1>&6
 ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE int"
@@ -4941,7 +5020,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4945 "configure"
+#line 5024 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4949,7 +5028,7 @@ else
 #include <sys/resource.h>
 main() { struct rlimit r; exit(!(sizeof(r.rlim_cur) == sizeof(long int)));}
 EOF
-if { (eval echo configure:4953: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5032: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""long int" 1>&6
 ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE long int"
@@ -4962,7 +5041,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4966 "configure"
+#line 5045 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4970,7 +5049,7 @@ else
 #include <sys/resource.h>
 main() { struct rlimit r; exit((!sizeof(r.rlim_cur) == sizeof(long long int)));}
 EOF
-if { (eval echo configure:4974: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5053: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""long long int" 1>&6
 ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE long long int"
@@ -5064,6 +5143,11 @@ EOF
 		;;
 esac
 
+#
+# The following sections deal with tools used for formatting
+# the documentation.  They are all optional, unless you are
+# a developer editing the documentation source.
+#
 
 #
 # Look for jade, preferring openjade if installed.
@@ -5074,7 +5158,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5078: checking for $ac_word" >&5
+echo "configure:5162: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_JADE'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5121,7 +5205,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5125: checking for $ac_word" >&5
+echo "configure:5209: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_TEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5163,7 +5247,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5167: checking for $ac_word" >&5
+echo "configure:5251: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PDFTEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5213,7 +5297,7 @@ SGMLDIR=""
 SGMLSTYLEDIR=""
 
 echo $ac_n "checking for SGML files""... $ac_c" 1>&6
-echo "configure:5217: checking for SGML files" >&5
+echo "configure:5301: checking for SGML files" >&5
 for d in /usr/pkg/share/sgml /usr/local/share/sgml 
 do
 	for s in docbook/dsssl/modular dsssl/docbook
@@ -5244,7 +5328,7 @@ fi
 XGMLDIR=""
 
 echo $ac_n "checking for XML files""... $ac_c" 1>&6
-echo "configure:5248: checking for XML files" >&5
+echo "configure:5332: checking for XML files" >&5
 for d in /usr/pkg/share/xml /usr/local/share/xml
 do
 	if test -f $d/dtd/docbook/docbookx.dtd