diff --git a/configure b/configure
index acf4598..1429756 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.295 
+# From configure.in Revision: 1.296 
 
 # Guess values for system-dependent variables and create Makefiles.
 # Generated automatically using autoconf version 2.13 
@@ -4348,8 +4348,10 @@
   echo "$ac_t""no" 1>&6
 fi
 
-    echo $ac_n "checking for thr_create in -lthread""... $ac_c" 1>&6
-echo "configure:4353: checking for thr_create in -lthread" >&5
+
+    if test $posix_threads != "yes"; then     
+      echo $ac_n "checking for thr_create in -lthread""... $ac_c" 1>&6
+echo "configure:4355: checking for thr_create in -lthread" >&5
 ac_lib_var=`echo thread'_'thr_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4357,7 +4359,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4361 "configure"
+#line 4363 "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
@@ -4368,7 +4370,7 @@
 thr_create()
 ; return 0; }
 EOF
-if { (eval echo configure:4372: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4374: \"$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
@@ -4387,13 +4389,14 @@
 #define WITH_THREAD 1
 EOF
 
-    LIBS="$LIBS -lthread"
-    LIBOBJS="$LIBOBJS thread.o"
-    USE_THREAD_MODULE=""
+      LIBS="$LIBS -lthread"
+      LIBOBJS="$LIBOBJS thread.o"
+      USE_THREAD_MODULE=""
 else
   echo "$ac_t""no" 1>&6
 fi
 
+    fi
 
     if test "$USE_THREAD_MODULE" != "#"
     then
@@ -4407,7 +4410,7 @@
 
 # Check for enable-ipv6
 echo $ac_n "checking if --enable-ipv6 is specified""... $ac_c" 1>&6
-echo "configure:4411: checking if --enable-ipv6 is specified" >&5
+echo "configure:4414: checking if --enable-ipv6 is specified" >&5
 # Check whether --enable-ipv6 or --disable-ipv6 was given.
 if test "${enable_ipv6+set}" = set; then
   enableval="$enable_ipv6"
@@ -4432,7 +4435,7 @@
 
 else
   cat > conftest.$ac_ext <<EOF
-#line 4436 "configure"
+#line 4439 "configure"
 #include "confdefs.h"
  /* AF_INET6 available check */
 #include <sys/types.h>
@@ -4446,7 +4449,7 @@
 }
 
 EOF
-if { (eval echo configure:4450: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4453: \"$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
   ipv6=yes
@@ -4463,9 +4466,9 @@
 
 if test "$ipv6" = "yes"; then
 	echo $ac_n "checking if RFC2553 API is available""... $ac_c" 1>&6
-echo "configure:4467: checking if RFC2553 API is available" >&5
+echo "configure:4470: checking if RFC2553 API is available" >&5
 	cat > conftest.$ac_ext <<EOF
-#line 4469 "configure"
+#line 4472 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <netinet/in.h>
@@ -4474,7 +4477,7 @@
 x.sin6_scope_id;
 ; return 0; }
 EOF
-if { (eval echo configure:4478: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4481: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 		ipv6=yes
@@ -4504,13 +4507,13 @@
 
 if test "$ipv6" = "yes"; then
 	echo $ac_n "checking ipv6 stack type""... $ac_c" 1>&6
-echo "configure:4508: checking ipv6 stack type" >&5
+echo "configure:4511: checking ipv6 stack type" >&5
 	for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta;
 	do
 		case $i in
 		inria)
 						cat > conftest.$ac_ext <<EOF
-#line 4514 "configure"
+#line 4517 "configure"
 #include "confdefs.h"
 
 #include <netinet/in.h>
@@ -4528,7 +4531,7 @@
 			;;
 		kame)
 						cat > conftest.$ac_ext <<EOF
-#line 4532 "configure"
+#line 4535 "configure"
 #include "confdefs.h"
 
 #include <netinet/in.h>
@@ -4549,7 +4552,7 @@
 			;;
 		linux-glibc)
 						cat > conftest.$ac_ext <<EOF
-#line 4553 "configure"
+#line 4556 "configure"
 #include "confdefs.h"
 
 #include <features.h>
@@ -4584,7 +4587,7 @@
 			;;
 		toshiba)
 			cat > conftest.$ac_ext <<EOF
-#line 4588 "configure"
+#line 4591 "configure"
 #include "confdefs.h"
 
 #include <sys/param.h>
@@ -4604,7 +4607,7 @@
 			;;
 		v6d)
 			cat > conftest.$ac_ext <<EOF
-#line 4608 "configure"
+#line 4611 "configure"
 #include "confdefs.h"
 
 #include </usr/local/v6/include/sys/v6config.h>
@@ -4625,7 +4628,7 @@
 			;;
 		zeta)
 			cat > conftest.$ac_ext <<EOF
-#line 4629 "configure"
+#line 4632 "configure"
 #include "confdefs.h"
 
 #include <sys/param.h>
@@ -4669,7 +4672,7 @@
 
 # Check for GC support
 echo $ac_n "checking for --with-cycle-gc""... $ac_c" 1>&6
-echo "configure:4673: checking for --with-cycle-gc" >&5
+echo "configure:4676: checking for --with-cycle-gc" >&5
 # Check whether --with-cycle-gc or --without-cycle-gc was given.
 if test "${with_cycle_gc+set}" = set; then
   withval="$with_cycle_gc"
@@ -4691,7 +4694,7 @@
 
 # Check for Python-specific malloc support
 echo $ac_n "checking for --with-pymalloc""... $ac_c" 1>&6
-echo "configure:4695: checking for --with-pymalloc" >&5
+echo "configure:4698: checking for --with-pymalloc" >&5
 # Check whether --with-pymalloc or --without-pymalloc was given.
 if test "${with_pymalloc+set}" = set; then
   withval="$with_pymalloc"
@@ -4710,7 +4713,7 @@
 
 # Check for --with-wctype-functions
 echo $ac_n "checking for --with-wctype-functions""... $ac_c" 1>&6
-echo "configure:4714: checking for --with-wctype-functions" >&5
+echo "configure:4717: checking for --with-wctype-functions" >&5
 # Check whether --with-wctype-functions or --without-wctype-functions was given.
 if test "${with_wctype_functions+set}" = set; then
   withval="$with_wctype_functions"
@@ -4732,7 +4735,7 @@
 DLINCLDIR=.
 
 echo $ac_n "checking for --with-sgi-dl""... $ac_c" 1>&6
-echo "configure:4736: checking for --with-sgi-dl" >&5
+echo "configure:4739: checking for --with-sgi-dl" >&5
 # Check whether --with-sgi-dl or --without-sgi-dl was given.
 if test "${with_sgi_dl+set}" = set; then
   withval="$with_sgi_dl"
@@ -4756,7 +4759,7 @@
 
 
 echo $ac_n "checking for --with-dl-dld""... $ac_c" 1>&6
-echo "configure:4760: checking for --with-dl-dld" >&5
+echo "configure:4763: checking for --with-dl-dld" >&5
 # Check whether --with-dl-dld or --without-dl-dld was given.
 if test "${with_dl_dld+set}" = set; then
   withval="$with_dl_dld"
@@ -4785,12 +4788,12 @@
 for ac_func in dlopen
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4789: checking for $ac_func" >&5
+echo "configure:4792: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4794 "configure"
+#line 4797 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4813,7 +4816,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4820: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4842,7 +4845,7 @@
 # loading of modules.
 
 echo $ac_n "checking DYNLOADFILE""... $ac_c" 1>&6
-echo "configure:4846: checking DYNLOADFILE" >&5
+echo "configure:4849: checking DYNLOADFILE" >&5
 if test -z "$DYNLOADFILE"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -4873,7 +4876,7 @@
 
 
 echo $ac_n "checking MACHDEP_OBJS""... $ac_c" 1>&6
-echo "configure:4877: checking MACHDEP_OBJS" >&5
+echo "configure:4880: checking MACHDEP_OBJS" >&5
 if test -z "$MACHDEP_OBJS"
 then
 	MACHDEP_OBJS=$extra_machdep_objs
@@ -4896,12 +4899,12 @@
  truncate uname unsetenv waitpid _getpty getpriority
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4900: checking for $ac_func" >&5
+echo "configure:4903: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4905 "configure"
+#line 4908 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4924,7 +4927,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4931: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4954,12 +4957,12 @@
 for ac_func in openpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4958: checking for $ac_func" >&5
+echo "configure:4961: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4963 "configure"
+#line 4966 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4982,7 +4985,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4986: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4989: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5004,7 +5007,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
-echo "configure:5008: checking for openpty in -lutil" >&5
+echo "configure:5011: checking for openpty in -lutil" >&5
 ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5012,7 +5015,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5016 "configure"
+#line 5019 "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
@@ -5023,7 +5026,7 @@
 openpty()
 ; return 0; }
 EOF
-if { (eval echo configure:5027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5030: \"$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
@@ -5052,12 +5055,12 @@
 for ac_func in forkpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5056: checking for $ac_func" >&5
+echo "configure:5059: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5061 "configure"
+#line 5064 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5080,7 +5083,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5087: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5102,7 +5105,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for forkpty in -lutil""... $ac_c" 1>&6
-echo "configure:5106: checking for forkpty in -lutil" >&5
+echo "configure:5109: checking for forkpty in -lutil" >&5
 ac_lib_var=`echo util'_'forkpty | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5110,7 +5113,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5114 "configure"
+#line 5117 "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
@@ -5121,7 +5124,7 @@
 forkpty()
 ; return 0; }
 EOF
-if { (eval echo configure:5125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5128: \"$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
@@ -5152,12 +5155,12 @@
 for ac_func in fseek64 fseeko fstatvfs ftell64 ftello statvfs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5156: checking for $ac_func" >&5
+echo "configure:5159: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5161 "configure"
+#line 5164 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5180,7 +5183,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5187: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5208,12 +5211,12 @@
 for ac_func in dup2 getcwd strdup strerror memmove
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5212: checking for $ac_func" >&5
+echo "configure:5215: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5217 "configure"
+#line 5220 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5236,7 +5239,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5240: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5243: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5265,12 +5268,12 @@
 for ac_func in getpgrp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5269: checking for $ac_func" >&5
+echo "configure:5272: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5274 "configure"
+#line 5277 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5293,7 +5296,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5297: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5300: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5312,14 +5315,14 @@
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 5316 "configure"
+#line 5319 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 getpgrp(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5323: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define GETPGRP_HAVE_ARG 1
@@ -5338,12 +5341,12 @@
 for ac_func in setpgrp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5342: checking for $ac_func" >&5
+echo "configure:5345: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5347 "configure"
+#line 5350 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5366,7 +5369,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5370: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5373: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5385,14 +5388,14 @@
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 5389 "configure"
+#line 5392 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 setpgrp(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:5396: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5399: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SETPGRP_HAVE_ARG 1
@@ -5411,12 +5414,12 @@
 for ac_func in gettimeofday
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5415: checking for $ac_func" >&5
+echo "configure:5418: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5420 "configure"
+#line 5423 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5439,7 +5442,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5446: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5458,14 +5461,14 @@
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 5462 "configure"
+#line 5465 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 int main() {
 gettimeofday((struct timeval*)0,(struct timezone*)0);
 ; return 0; }
 EOF
-if { (eval echo configure:5469: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5472: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -5487,9 +5490,9 @@
 # On OSF/1 V5.1, getaddrinfo is available, but a define
 # for [no]getaddrinfo in netdb.h. 
 echo $ac_n "checking for getaddrinfo""... $ac_c" 1>&6
-echo "configure:5491: checking for getaddrinfo" >&5
+echo "configure:5494: checking for getaddrinfo" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5493 "configure"
+#line 5496 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -5503,18 +5506,18 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5510: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   
 echo "$ac_t""yes" 1>&6
 echo $ac_n "checking getaddrinfo bug""... $ac_c" 1>&6
-echo "configure:5512: checking getaddrinfo bug" >&5
+echo "configure:5515: checking getaddrinfo bug" >&5
 if test "$cross_compiling" = yes; then
   echo "$ac_t""buggy" 1>&6
 buggygetaddrinfo=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 5518 "configure"
+#line 5521 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -5603,7 +5606,7 @@
 }
 
 EOF
-if { (eval echo configure:5607: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5610: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   echo "$ac_t""good" 1>&6
 buggygetaddrinfo=no
@@ -5643,12 +5646,12 @@
 for ac_func in getnameinfo
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5647: checking for $ac_func" >&5
+echo "configure:5650: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5652 "configure"
+#line 5655 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5671,7 +5674,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:5675: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5698,12 +5701,12 @@
 
 # checks for structures
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:5702: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:5705: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5707 "configure"
+#line 5710 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -5712,7 +5715,7 @@
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:5716: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5719: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -5733,12 +5736,12 @@
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:5737: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:5740: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5742 "configure"
+#line 5745 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -5746,7 +5749,7 @@
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:5750: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5753: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -5767,12 +5770,12 @@
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:5771: checking for tm_zone in struct tm" >&5
+echo "configure:5774: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5776 "configure"
+#line 5779 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -5780,7 +5783,7 @@
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:5784: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5787: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -5800,12 +5803,12 @@
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:5804: checking for tzname" >&5
+echo "configure:5807: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5809 "configure"
+#line 5812 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -5815,7 +5818,7 @@
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:5819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5822: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -5837,12 +5840,12 @@
 fi
 
 echo $ac_n "checking for st_rdev in struct stat""... $ac_c" 1>&6
-echo "configure:5841: checking for st_rdev in struct stat" >&5
+echo "configure:5844: checking for st_rdev in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_rdev'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5846 "configure"
+#line 5849 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -5850,7 +5853,7 @@
 struct stat s; s.st_rdev;
 ; return 0; }
 EOF
-if { (eval echo configure:5854: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5857: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_rdev=yes
 else
@@ -5871,12 +5874,12 @@
 fi
 
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:5875: checking for st_blksize in struct stat" >&5
+echo "configure:5878: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5880 "configure"
+#line 5883 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -5884,7 +5887,7 @@
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:5888: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5891: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -5905,12 +5908,12 @@
 fi
 
 echo $ac_n "checking for st_blocks in struct stat""... $ac_c" 1>&6
-echo "configure:5909: checking for st_blocks in struct stat" >&5
+echo "configure:5912: checking for st_blocks in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blocks'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5914 "configure"
+#line 5917 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -5918,7 +5921,7 @@
 struct stat s; s.st_blocks;
 ; return 0; }
 EOF
-if { (eval echo configure:5922: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5925: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blocks=yes
 else
@@ -5942,19 +5945,19 @@
 
 
 echo $ac_n "checking for time.h that defines altzone""... $ac_c" 1>&6
-echo "configure:5946: checking for time.h that defines altzone" >&5
+echo "configure:5949: checking for time.h that defines altzone" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time_altzone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5951 "configure"
+#line 5954 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 return altzone;
 ; return 0; }
 EOF
-if { (eval echo configure:5958: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5961: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time_altzone=yes
 else
@@ -5976,9 +5979,9 @@
 
 was_it_defined=no
 echo $ac_n "checking whether sys/select.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:5980: checking whether sys/select.h and sys/time.h may both be included" >&5
+echo "configure:5983: checking whether sys/select.h and sys/time.h may both be included" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5982 "configure"
+#line 5985 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -5989,7 +5992,7 @@
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:5993: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5996: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SYS_SELECT_WITH_SYS_TIME 1
@@ -6003,12 +6006,12 @@
 echo "$ac_t""$was_it_defined" 1>&6
 
 echo $ac_n "checking for addrinfo""... $ac_c" 1>&6
-echo "configure:6007: checking for addrinfo" >&5
+echo "configure:6010: checking for addrinfo" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_addrinfo'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6012 "configure"
+#line 6015 "configure"
 #include "confdefs.h"
 
 #		include <netdb.h>
@@ -6016,7 +6019,7 @@
 struct addrinfo a
 ; return 0; }
 EOF
-if { (eval echo configure:6020: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6023: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_addrinfo=yes
 else
@@ -6037,12 +6040,12 @@
 fi
 
 echo $ac_n "checking for sockaddr_storage""... $ac_c" 1>&6
-echo "configure:6041: checking for sockaddr_storage" >&5
+echo "configure:6044: checking for sockaddr_storage" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_sockaddr_storage'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6046 "configure"
+#line 6049 "configure"
 #include "confdefs.h"
 
 #		include <sys/types.h>
@@ -6051,7 +6054,7 @@
 struct sockaddr_storage s
 ; return 0; }
 EOF
-if { (eval echo configure:6055: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6058: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_sockaddr_storage=yes
 else
@@ -6074,14 +6077,14 @@
 # checks for compiler characteristics
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:6078: checking whether char is unsigned" >&5
+echo "configure:6081: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$GCC" = yes; then
   # GCC predefines this symbol on systems where it applies.
 cat > conftest.$ac_ext <<EOF
-#line 6085 "configure"
+#line 6088 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -6103,7 +6106,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 6107 "configure"
+#line 6110 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -6113,7 +6116,7 @@
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:6117: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6120: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_char_unsigned=yes
 else
@@ -6137,12 +6140,12 @@
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:6141: checking for working const" >&5
+echo "configure:6144: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6146 "configure"
+#line 6149 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -6191,7 +6194,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:6195: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6198: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -6214,16 +6217,16 @@
 
 works=no
 echo $ac_n "checking for working volatile""... $ac_c" 1>&6
-echo "configure:6218: checking for working volatile" >&5
+echo "configure:6221: checking for working volatile" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6220 "configure"
+#line 6223 "configure"
 #include "confdefs.h"
 
 int main() {
 volatile int x; x = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:6227: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6230: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -6240,16 +6243,16 @@
 
 works=no
 echo $ac_n "checking for working signed char""... $ac_c" 1>&6
-echo "configure:6244: checking for working signed char" >&5
+echo "configure:6247: checking for working signed char" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6246 "configure"
+#line 6249 "configure"
 #include "confdefs.h"
 
 int main() {
 signed char c;
 ; return 0; }
 EOF
-if { (eval echo configure:6253: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6256: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -6266,16 +6269,16 @@
 
 have_prototypes=no
 echo $ac_n "checking for prototypes""... $ac_c" 1>&6
-echo "configure:6270: checking for prototypes" >&5
+echo "configure:6273: checking for prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6272 "configure"
+#line 6275 "configure"
 #include "confdefs.h"
 int foo(int x) { return 0; }
 int main() {
 return foo(10);
 ; return 0; }
 EOF
-if { (eval echo configure:6279: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6282: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_PROTOTYPES 1
@@ -6290,9 +6293,9 @@
 
 works=no
 echo $ac_n "checking for variable length prototypes and stdarg.h""... $ac_c" 1>&6
-echo "configure:6294: checking for variable length prototypes and stdarg.h" >&5
+echo "configure:6297: checking for variable length prototypes and stdarg.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6296 "configure"
+#line 6299 "configure"
 #include "confdefs.h"
 
 #include <stdarg.h>
@@ -6309,7 +6312,7 @@
 return foo(10, "", 3.14);
 ; return 0; }
 EOF
-if { (eval echo configure:6313: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6316: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STDARG_PROTOTYPES 1
@@ -6325,16 +6328,16 @@
 if test "$have_prototypes" = yes; then
 bad_prototypes=no
 echo $ac_n "checking for bad exec* prototypes""... $ac_c" 1>&6
-echo "configure:6329: checking for bad exec* prototypes" >&5
+echo "configure:6332: checking for bad exec* prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6331 "configure"
+#line 6334 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 char **t;execve("@",t,t);
 ; return 0; }
 EOF
-if { (eval echo configure:6338: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6341: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -6351,9 +6354,9 @@
 
 # check if sockaddr has sa_len member
 echo $ac_n "checking if sockaddr has sa_len member""... $ac_c" 1>&6
-echo "configure:6355: checking if sockaddr has sa_len member" >&5
+echo "configure:6358: checking if sockaddr has sa_len member" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6357 "configure"
+#line 6360 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -6362,7 +6365,7 @@
 x.sa_len = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:6366: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6369: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 	cat >> confdefs.h <<\EOF
@@ -6378,7 +6381,7 @@
 rm -f conftest*
 
 echo $ac_n "checking for bad static forward""... $ac_c" 1>&6
-echo "configure:6382: checking for bad static forward" >&5
+echo "configure:6385: checking for bad static forward" >&5
 if eval "test \"`echo '$''{'ac_cv_bad_static_forward'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6386,7 +6389,7 @@
   ac_cv_bad_static_forward=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6390 "configure"
+#line 6393 "configure"
 #include "confdefs.h"
 
 struct s { int a; int b; };
@@ -6401,7 +6404,7 @@
  exit(!((int)&foo == foobar()));
 }
 EOF
-if { (eval echo configure:6405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6408: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_bad_static_forward=no
 else
@@ -6426,9 +6429,9 @@
 
 va_list_is_array=no
 echo $ac_n "checking whether va_list is an array""... $ac_c" 1>&6
-echo "configure:6430: checking whether va_list is an array" >&5
+echo "configure:6433: checking whether va_list is an array" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6432 "configure"
+#line 6435 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_STDARG_PROTOTYPES
@@ -6441,7 +6444,7 @@
 va_list list1, list2; list1 = list2;
 ; return 0; }
 EOF
-if { (eval echo configure:6445: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6448: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -6457,12 +6460,12 @@
 
 # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
 echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
-echo "configure:6461: checking for gethostbyname_r" >&5
+echo "configure:6464: checking for gethostbyname_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6466 "configure"
+#line 6469 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname_r(); below.  */
@@ -6485,7 +6488,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:6489: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6492: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname_r=yes"
 else
@@ -6505,11 +6508,11 @@
 EOF
 
   echo $ac_n "checking gethostbyname_r with 6 args""... $ac_c" 1>&6
-echo "configure:6509: checking gethostbyname_r with 6 args" >&5
+echo "configure:6512: checking gethostbyname_r with 6 args" >&5
   OLD_CFLAGS=$CFLAGS
   CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 6513 "configure"
+#line 6516 "configure"
 #include "confdefs.h"
 
 #   include <netdb.h>
@@ -6526,7 +6529,7 @@
   
 ; return 0; }
 EOF
-if { (eval echo configure:6530: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6533: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     cat >> confdefs.h <<\EOF
@@ -6546,9 +6549,9 @@
   
     echo "$ac_t""no" 1>&6
     echo $ac_n "checking gethostbyname_r with 5 args""... $ac_c" 1>&6
-echo "configure:6550: checking gethostbyname_r with 5 args" >&5
+echo "configure:6553: checking gethostbyname_r with 5 args" >&5
     cat > conftest.$ac_ext <<EOF
-#line 6552 "configure"
+#line 6555 "configure"
 #include "confdefs.h"
 
 #     include <netdb.h>
@@ -6565,7 +6568,7 @@
     
 ; return 0; }
 EOF
-if { (eval echo configure:6569: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6572: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       cat >> confdefs.h <<\EOF
@@ -6585,9 +6588,9 @@
   
       echo "$ac_t""no" 1>&6
       echo $ac_n "checking gethostbyname_r with 3 args""... $ac_c" 1>&6
-echo "configure:6589: checking gethostbyname_r with 3 args" >&5
+echo "configure:6592: checking gethostbyname_r with 3 args" >&5
       cat > conftest.$ac_ext <<EOF
-#line 6591 "configure"
+#line 6594 "configure"
 #include "confdefs.h"
 
 #       include <netdb.h>
@@ -6602,7 +6605,7 @@
       
 ; return 0; }
 EOF
-if { (eval echo configure:6606: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6609: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
         cat >> confdefs.h <<\EOF
@@ -6638,12 +6641,12 @@
   for ac_func in gethostbyname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6642: checking for $ac_func" >&5
+echo "configure:6645: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6647 "configure"
+#line 6650 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6666,7 +6669,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:6670: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6673: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6704,12 +6707,12 @@
 
 # Linux requires this for correct f.p. operations
 echo $ac_n "checking for __fpu_control""... $ac_c" 1>&6
-echo "configure:6708: checking for __fpu_control" >&5
+echo "configure:6711: checking for __fpu_control" >&5
 if eval "test \"`echo '$''{'ac_cv_func___fpu_control'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6713 "configure"
+#line 6716 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char __fpu_control(); below.  */
@@ -6732,7 +6735,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:6736: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6739: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func___fpu_control=yes"
 else
@@ -6750,7 +6753,7 @@
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for __fpu_control in -lieee""... $ac_c" 1>&6
-echo "configure:6754: checking for __fpu_control in -lieee" >&5
+echo "configure:6757: checking for __fpu_control in -lieee" >&5
 ac_lib_var=`echo ieee'_'__fpu_control | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6758,7 +6761,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6762 "configure"
+#line 6765 "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
@@ -6769,7 +6772,7 @@
 __fpu_control()
 ; return 0; }
 EOF
-if { (eval echo configure:6773: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6776: \"$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
@@ -6802,7 +6805,7 @@
 
 # Check for --with-fpectl
 echo $ac_n "checking for --with-fpectl""... $ac_c" 1>&6
-echo "configure:6806: checking for --with-fpectl" >&5
+echo "configure:6809: checking for --with-fpectl" >&5
 # Check whether --with-fpectl or --without-fpectl was given.
 if test "${with_fpectl+set}" = set; then
   withval="$with_fpectl"
@@ -6827,7 +6830,7 @@
 *) LIBM=-lm
 esac
 echo $ac_n "checking for --with-libm=STRING""... $ac_c" 1>&6
-echo "configure:6831: checking for --with-libm=STRING" >&5
+echo "configure:6834: checking for --with-libm=STRING" >&5
 # Check whether --with-libm or --without-libm was given.
 if test "${with_libm+set}" = set; then
   withval="$with_libm"
@@ -6848,7 +6851,7 @@
 # check for --with-libc=...
 
 echo $ac_n "checking for --with-libc=STRING""... $ac_c" 1>&6
-echo "configure:6852: checking for --with-libc=STRING" >&5
+echo "configure:6855: checking for --with-libc=STRING" >&5
 # Check whether --with-libc or --without-libc was given.
 if test "${with_libc+set}" = set; then
   withval="$with_libc"
@@ -6872,12 +6875,12 @@
 for ac_func in hypot
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6876: checking for $ac_func" >&5
+echo "configure:6879: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6881 "configure"
+#line 6884 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6900,7 +6903,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:6904: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6907: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6930,7 +6933,7 @@
 
 # check whether malloc(0) returns NULL or not
 echo $ac_n "checking what malloc(0) returns""... $ac_c" 1>&6
-echo "configure:6934: checking what malloc(0) returns" >&5
+echo "configure:6937: checking what malloc(0) returns" >&5
 if eval "test \"`echo '$''{'ac_cv_malloc_zero'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6938,7 +6941,7 @@
   ac_cv_malloc_zero=nonnull
 else
   cat > conftest.$ac_ext <<EOF
-#line 6942 "configure"
+#line 6945 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef HAVE_STDLIB
@@ -6957,7 +6960,7 @@
 	exit(0);
 }
 EOF
-if { (eval echo configure:6961: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6964: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_malloc_zero=nonnull
 else
@@ -6983,17 +6986,17 @@
 # check for wchar.h
 ac_safe=`echo "wchar.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wchar.h""... $ac_c" 1>&6
-echo "configure:6987: checking for wchar.h" >&5
+echo "configure:6990: checking for wchar.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6992 "configure"
+#line 6995 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6997: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7000: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7024,7 +7027,7 @@
 if test "$wchar_h" = yes
 then
   echo $ac_n "checking size of wchar_t""... $ac_c" 1>&6
-echo "configure:7028: checking size of wchar_t" >&5
+echo "configure:7031: checking size of wchar_t" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_wchar_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7032,7 +7035,7 @@
   ac_cv_sizeof_wchar_t=4
 else
   cat > conftest.$ac_ext <<EOF
-#line 7036 "configure"
+#line 7039 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -7043,7 +7046,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:7047: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7050: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_wchar_t=`cat conftestval`
 else
@@ -7065,7 +7068,7 @@
 fi
 
 echo $ac_n "checking what type to use for unicode""... $ac_c" 1>&6
-echo "configure:7069: checking what type to use for unicode" >&5
+echo "configure:7072: checking what type to use for unicode" >&5
 # Check whether --enable-unicode or --disable-unicode was given.
 if test "${enable_unicode+set}" = set; then
   enableval="$enable_unicode"
@@ -7140,14 +7143,14 @@
 
 # check for endianness
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:7144: checking whether byte ordering is bigendian" >&5
+echo "configure:7147: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'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 7151 "configure"
+#line 7154 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -7158,11 +7161,11 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:7162: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7165: \"$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 7166 "configure"
+#line 7169 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -7173,7 +7176,7 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:7177: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7180: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -7193,7 +7196,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 7197 "configure"
+#line 7200 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -7206,7 +7209,7 @@
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:7210: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7213: \"$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
@@ -7233,7 +7236,7 @@
 # Check whether right shifting a negative integer extends the sign bit
 # or fills with zeros (like the Cray J90, according to Tim Peters).
 echo $ac_n "checking whether right shift extends the sign bit""... $ac_c" 1>&6
-echo "configure:7237: checking whether right shift extends the sign bit" >&5
+echo "configure:7240: checking whether right shift extends the sign bit" >&5
 if eval "test \"`echo '$''{'ac_cv_rshift_extends_sign'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7242,7 +7245,7 @@
   ac_cv_rshift_extends_sign=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 7246 "configure"
+#line 7249 "configure"
 #include "confdefs.h"
 
 int main()
@@ -7251,7 +7254,7 @@
 }
 
 EOF
-if { (eval echo configure:7255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_rshift_extends_sign=yes
 else
@@ -7276,13 +7279,13 @@
 
 # check for getc_unlocked and related locking functions
 echo $ac_n "checking for getc_unlocked() and friends""... $ac_c" 1>&6
-echo "configure:7280: checking for getc_unlocked() and friends" >&5
+echo "configure:7283: checking for getc_unlocked() and friends" >&5
 if eval "test \"`echo '$''{'ac_cv_have_getc_unlocked'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 cat > conftest.$ac_ext <<EOF
-#line 7286 "configure"
+#line 7289 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
@@ -7294,7 +7297,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:7298: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7301: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_have_getc_unlocked=yes
 else
@@ -7317,7 +7320,7 @@
 
 # check for readline 4.0
 echo $ac_n "checking for rl_pre_input_hook in -lreadline""... $ac_c" 1>&6
-echo "configure:7321: checking for rl_pre_input_hook in -lreadline" >&5
+echo "configure:7324: checking for rl_pre_input_hook in -lreadline" >&5
 ac_lib_var=`echo readline'_'rl_pre_input_hook | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7325,7 +7328,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline -ltermcap $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7329 "configure"
+#line 7332 "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
@@ -7336,7 +7339,7 @@
 rl_pre_input_hook()
 ; return 0; }
 EOF
-if { (eval echo configure:7340: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7343: \"$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
@@ -7362,7 +7365,7 @@
 
 # check for readline 4.2
 echo $ac_n "checking for rl_completion_matches in -lreadline""... $ac_c" 1>&6
-echo "configure:7366: checking for rl_completion_matches in -lreadline" >&5
+echo "configure:7369: checking for rl_completion_matches in -lreadline" >&5
 ac_lib_var=`echo readline'_'rl_completion_matches | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7370,7 +7373,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline -ltermcap $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7374 "configure"
+#line 7377 "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
@@ -7381,7 +7384,7 @@
 rl_completion_matches()
 ; return 0; }
 EOF
-if { (eval echo configure:7385: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7388: \"$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
@@ -7406,7 +7409,7 @@
 
 
 echo $ac_n "checking for broken nice()""... $ac_c" 1>&6
-echo "configure:7410: checking for broken nice()" >&5
+echo "configure:7413: checking for broken nice()" >&5
 if eval "test \"`echo '$''{'ac_cv_broken_nice'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7415,7 +7418,7 @@
   ac_cv_broken_nice=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 7419 "configure"
+#line 7422 "configure"
 #include "confdefs.h"
 
 int main()
@@ -7427,7 +7430,7 @@
 }
 
 EOF
-if { (eval echo configure:7431: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_broken_nice=yes
 else
@@ -7452,12 +7455,12 @@
 
 # On HP/UX 11.0, mvwdelch is a block with a return statement
 echo $ac_n "checking whether mvwdelch is an expression""... $ac_c" 1>&6
-echo "configure:7456: checking whether mvwdelch is an expression" >&5
+echo "configure:7459: checking whether mvwdelch is an expression" >&5
 if eval "test \"`echo '$''{'ac_cv_mvwdelch_is_expression'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7461 "configure"
+#line 7464 "configure"
 #include "confdefs.h"
 #include <curses.h>
 int main() {
@@ -7467,7 +7470,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:7471: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7474: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mvwdelch_is_expression=yes
 else
@@ -7490,12 +7493,12 @@
 fi
 
 echo $ac_n "checking whether WINDOW has _flags""... $ac_c" 1>&6
-echo "configure:7494: checking whether WINDOW has _flags" >&5
+echo "configure:7497: checking whether WINDOW has _flags" >&5
 if eval "test \"`echo '$''{'ac_cv_window_has_flags'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7499 "configure"
+#line 7502 "configure"
 #include "confdefs.h"
 #include <curses.h>
 int main() {
@@ -7505,7 +7508,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:7509: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7512: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_window_has_flags=yes
 else
@@ -7536,12 +7539,12 @@
 #endif
 EOF
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:7540: checking for socklen_t" >&5
+echo "configure:7543: checking for socklen_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7545 "configure"
+#line 7548 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -7597,7 +7600,7 @@
 
 SRCDIRS="Parser Grammar Objects Python Modules"
 echo $ac_n "checking for build directories""... $ac_c" 1>&6
-echo "configure:7601: checking for build directories" >&5
+echo "configure:7604: checking for build directories" >&5
 for dir in $SRCDIRS; do
     if test ! -d $dir; then
         mkdir $dir
diff --git a/configure.in b/configure.in
index 3bdb667..ee6b4bb 100644
--- a/configure.in
+++ b/configure.in
@@ -1133,10 +1133,13 @@
     LIBS="$LIBS -lmpc"
     LIBOBJS="$LIBOBJS thread.o"
     USE_THREAD_MODULE=""])
-    AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
-    LIBS="$LIBS -lthread"
-    LIBOBJS="$LIBOBJS thread.o"
-    USE_THREAD_MODULE=""])
+
+    if test $posix_threads != "yes"; then     
+      AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
+      LIBS="$LIBS -lthread"
+      LIBOBJS="$LIBOBJS thread.o"
+      USE_THREAD_MODULE=""])
+    fi
 
     if test "$USE_THREAD_MODULE" != "#"
     then