Don't enable the 'thread' module if threads are not possible.

configure

 #! /bin/sh
 
-# From configure.in Revision: 1.147 
+# From configure.in Revision: 1.148 
 
 # Guess values for system-dependent variables and create Makefiles.
 # Generated automatically using autoconf version 2.13 
@@ -3494,6 +3494,8 @@ EOF
     LIBOBJS="$LIBOBJS thread.o"
 else
   echo "$ac_t""no" 1>&6
+
+    USE_THREAD_MODULE="#"
 fi
 
     
@@ -3515,7 +3517,7 @@ fi
 
 
     echo $ac_n "checking for usconfig in -lmpc""... $ac_c" 1>&6
-echo "configure:3519: checking for usconfig in -lmpc" >&5
+echo "configure:3521: checking for usconfig in -lmpc" >&5
 ac_lib_var=`echo mpc'_'usconfig | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3523,7 +3525,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lmpc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3527 "configure"
+#line 3529 "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
@@ -3534,7 +3536,7 @@ int main() {
 usconfig()
 ; return 0; }
 EOF
-if { (eval echo configure:3538: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3540: \"$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
@@ -3555,12 +3557,13 @@ EOF
 
     LIBS="$LIBS -lmpc"
     LIBOBJS="$LIBOBJS thread.o"
+    USE_THREAD_MODULE=""
 else
   echo "$ac_t""no" 1>&6
 fi
 
     echo $ac_n "checking for thr_create in -lthread""... $ac_c" 1>&6
-echo "configure:3564: checking for thr_create in -lthread" >&5
+echo "configure:3567: checking for thr_create in -lthread" >&5
 ac_lib_var=`echo thread'_'thr_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3568,7 +3571,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3572 "configure"
+#line 3575 "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
@@ -3579,7 +3582,7 @@ int main() {
 thr_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3583: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3586: \"$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
@@ -3600,6 +3603,7 @@ EOF
 
     LIBS="$LIBS -lthread"
     LIBOBJS="$LIBOBJS thread.o"
+    USE_THREAD_MODULE=""
 else
   echo "$ac_t""no" 1>&6
 fi
@@ -3610,7 +3614,7 @@ fi
 
 USE_GC_MODULE=""
 echo $ac_n "checking for --with-cycle-gc""... $ac_c" 1>&6
-echo "configure:3614: checking for --with-cycle-gc" >&5
+echo "configure:3618: checking for --with-cycle-gc" >&5
 # Check whether --with-cycle-gc or --without-cycle-gc was given.
 if test "${with_cycle_gc+set}" = set; then
   withval="$with_cycle_gc"
@@ -3634,7 +3638,7 @@ echo "$ac_t""$with_cycle_gc" 1>&6
 
 # Check for --with-wctype-functions
 echo $ac_n "checking for --with-wctype-functions""... $ac_c" 1>&6
-echo "configure:3638: checking for --with-wctype-functions" >&5
+echo "configure:3642: checking for --with-wctype-functions" >&5
 # Check whether --with-wctype-functions or --without-wctype-functions was given.
 if test "${with_wctype_functions+set}" = set; then
   withval="$with_wctype_functions"
@@ -3656,7 +3660,7 @@ fi
 DLINCLDIR=/
 
 echo $ac_n "checking for --with-sgi-dl""... $ac_c" 1>&6
-echo "configure:3660: checking for --with-sgi-dl" >&5
+echo "configure:3664: checking for --with-sgi-dl" >&5
 # Check whether --with-sgi-dl or --without-sgi-dl was given.
 if test "${with_sgi_dl+set}" = set; then
   withval="$with_sgi_dl"
@@ -3680,7 +3684,7 @@ fi
 
 
 echo $ac_n "checking for --with-dl-dld""... $ac_c" 1>&6
-echo "configure:3684: checking for --with-dl-dld" >&5
+echo "configure:3688: checking for --with-dl-dld" >&5
 # Check whether --with-dl-dld or --without-dl-dld was given.
 if test "${with_dl_dld+set}" = set; then
   withval="$with_dl_dld"
@@ -3709,12 +3713,12 @@ fi
 for ac_func in dlopen
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3713: checking for $ac_func" >&5
+echo "configure:3717: 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 3718 "configure"
+#line 3722 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3737,7 +3741,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3741: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3745: \"$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
@@ -3766,7 +3770,7 @@ done
 # loading of modules.
 
 echo $ac_n "checking DYNLOADFILE""... $ac_c" 1>&6
-echo "configure:3770: checking DYNLOADFILE" >&5
+echo "configure:3774: checking DYNLOADFILE" >&5
 if test -z "$DYNLOADFILE"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -3807,12 +3811,12 @@ for ac_func in alarm chown clock confstr ctermid ctermid_r execv \
  truncate uname waitpid _getpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3811: checking for $ac_func" >&5
+echo "configure:3815: 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 3816 "configure"
+#line 3820 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3835,7 +3839,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3839: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3843: \"$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
@@ -3865,12 +3869,12 @@ done
 for ac_func in openpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3869: checking for $ac_func" >&5
+echo "configure:3873: 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 3874 "configure"
+#line 3878 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3893,7 +3897,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3897: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3901: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3915,7 +3919,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
-echo "configure:3919: checking for openpty in -lutil" >&5
+echo "configure:3923: checking for openpty in -lutil" >&5
 ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3923,7 +3927,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3927 "configure"
+#line 3931 "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
@@ -3934,7 +3938,7 @@ int main() {
 openpty()
 ; return 0; }
 EOF
-if { (eval echo configure:3938: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3942: \"$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
@@ -3963,12 +3967,12 @@ done
 for ac_func in forkpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3967: checking for $ac_func" >&5
+echo "configure:3971: 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 3972 "configure"
+#line 3976 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3991,7 +3995,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3995: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3999: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4013,7 +4017,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for forkpty in -lutil""... $ac_c" 1>&6
-echo "configure:4017: checking for forkpty in -lutil" >&5
+echo "configure:4021: checking for forkpty in -lutil" >&5
 ac_lib_var=`echo util'_'forkpty | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4021,7 +4025,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4025 "configure"
+#line 4029 "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
@@ -4032,7 +4036,7 @@ int main() {
 forkpty()
 ; return 0; }
 EOF
-if { (eval echo configure:4036: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4040: \"$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
@@ -4063,12 +4067,12 @@ done
 for ac_func in fseek64 fseeko fstatvfs ftell64 ftello statvfs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4067: checking for $ac_func" >&5
+echo "configure:4071: 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 4072 "configure"
+#line 4076 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4091,7 +4095,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4099: \"$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
@@ -4119,12 +4123,12 @@ done
 for ac_func in dup2 getcwd strdup strerror memmove
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4123: checking for $ac_func" >&5
+echo "configure:4127: 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 4128 "configure"
+#line 4132 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4147,7 +4151,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4151: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4155: \"$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
@@ -4176,12 +4180,12 @@ done
 for ac_func in getpgrp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4180: checking for $ac_func" >&5
+echo "configure:4184: 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 4185 "configure"
+#line 4189 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4204,7 +4208,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4208: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4212: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4223,14 +4227,14 @@ if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 4227 "configure"
+#line 4231 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 getpgrp(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4234: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4238: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define GETPGRP_HAVE_ARG 1
@@ -4249,12 +4253,12 @@ done
 for ac_func in setpgrp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4253: checking for $ac_func" >&5
+echo "configure:4257: 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 4258 "configure"
+#line 4262 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4277,7 +4281,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4281: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4285: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4296,14 +4300,14 @@ if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 4300 "configure"
+#line 4304 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 setpgrp(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:4307: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4311: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SETPGRP_HAVE_ARG 1
@@ -4322,12 +4326,12 @@ done
 for ac_func in gettimeofday
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4326: checking for $ac_func" >&5
+echo "configure:4330: 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 4331 "configure"
+#line 4335 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4350,7 +4354,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4358: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4369,14 +4373,14 @@ if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 4373 "configure"
+#line 4377 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 int main() {
 gettimeofday((struct timeval*)0,(struct timezone*)0);
 ; return 0; }
 EOF
-if { (eval echo configure:4380: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4384: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4396,12 +4400,12 @@ done
 
 # checks for structures
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4400: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:4404: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4405 "configure"
+#line 4409 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -4410,7 +4414,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:4414: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4418: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -4431,12 +4435,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:4435: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:4439: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4440 "configure"
+#line 4444 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -4444,7 +4448,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:4448: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4452: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -4465,12 +4469,12 @@ EOF
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:4469: checking for tm_zone in struct tm" >&5
+echo "configure:4473: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4474 "configure"
+#line 4478 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -4478,7 +4482,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:4482: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4486: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -4498,12 +4502,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:4502: checking for tzname" >&5
+echo "configure:4506: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4507 "configure"
+#line 4511 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -4513,7 +4517,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:4517: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -4536,19 +4540,19 @@ fi
 
 
 echo $ac_n "checking for time.h that defines altzone""... $ac_c" 1>&6
-echo "configure:4540: checking for time.h that defines altzone" >&5
+echo "configure:4544: checking for time.h that defines altzone" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time_altzone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4545 "configure"
+#line 4549 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 return altzone;
 ; return 0; }
 EOF
-if { (eval echo configure:4552: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4556: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time_altzone=yes
 else
@@ -4570,9 +4574,9 @@ fi
 
 was_it_defined=no
 echo $ac_n "checking whether sys/select.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4574: checking whether sys/select.h and sys/time.h may both be included" >&5
+echo "configure:4578: checking whether sys/select.h and sys/time.h may both be included" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4576 "configure"
+#line 4580 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4583,7 +4587,7 @@ int main() {
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:4587: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4591: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SYS_SELECT_WITH_SYS_TIME 1
@@ -4599,14 +4603,14 @@ echo "$ac_t""$was_it_defined" 1>&6
 # checks for compiler characteristics
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:4603: checking whether char is unsigned" >&5
+echo "configure:4607: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 4610 "configure"
+#line 4614 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -4628,7 +4632,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4632 "configure"
+#line 4636 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -4638,7 +4642,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:4642: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4646: \"$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
@@ -4662,12 +4666,12 @@ EOF
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:4666: checking for working const" >&5
+echo "configure:4670: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4671 "configure"
+#line 4675 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4716,7 +4720,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:4720: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4724: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -4737,21 +4741,21 @@ EOF
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:4741: checking for inline" >&5
+echo "configure:4745: checking for inline" >&5
 if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 4748 "configure"
+#line 4752 "configure"
 #include "confdefs.h"
 
 int main() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:4755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4759: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -4779,16 +4783,16 @@ esac
 
 works=no
 echo $ac_n "checking for working volatile""... $ac_c" 1>&6
-echo "configure:4783: checking for working volatile" >&5
+echo "configure:4787: checking for working volatile" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4785 "configure"
+#line 4789 "configure"
 #include "confdefs.h"
 
 int main() {
 volatile int x; x = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4792: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4796: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -4805,16 +4809,16 @@ echo "$ac_t""$works" 1>&6
 
 works=no
 echo $ac_n "checking for working signed char""... $ac_c" 1>&6
-echo "configure:4809: checking for working signed char" >&5
+echo "configure:4813: checking for working signed char" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4811 "configure"
+#line 4815 "configure"
 #include "confdefs.h"
 
 int main() {
 signed char c;
 ; return 0; }
 EOF
-if { (eval echo configure:4818: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4822: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -4831,16 +4835,16 @@ echo "$ac_t""$works" 1>&6
 
 have_prototypes=no
 echo $ac_n "checking for prototypes""... $ac_c" 1>&6
-echo "configure:4835: checking for prototypes" >&5
+echo "configure:4839: checking for prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4837 "configure"
+#line 4841 "configure"
 #include "confdefs.h"
 int foo(int x) { return 0; }
 int main() {
 return foo(10);
 ; return 0; }
 EOF
-if { (eval echo configure:4844: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4848: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_PROTOTYPES 1
@@ -4855,9 +4859,9 @@ echo "$ac_t""$have_prototypes" 1>&6
 
 works=no
 echo $ac_n "checking for variable length prototypes and stdarg.h""... $ac_c" 1>&6
-echo "configure:4859: checking for variable length prototypes and stdarg.h" >&5
+echo "configure:4863: checking for variable length prototypes and stdarg.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4861 "configure"
+#line 4865 "configure"
 #include "confdefs.h"
 
 #include <stdarg.h>
@@ -4874,7 +4878,7 @@ int main() {
 return foo(10, "", 3.14);
 ; return 0; }
 EOF
-if { (eval echo configure:4878: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4882: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STDARG_PROTOTYPES 1
@@ -4890,16 +4894,16 @@ echo "$ac_t""$works" 1>&6
 if test "$have_prototypes" = yes; then
 bad_prototypes=no
 echo $ac_n "checking for bad exec* prototypes""... $ac_c" 1>&6
-echo "configure:4894: checking for bad exec* prototypes" >&5
+echo "configure:4898: checking for bad exec* prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4896 "configure"
+#line 4900 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 char **t;execve("@",t,t);
 ; return 0; }
 EOF
-if { (eval echo configure:4903: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4907: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4916,12 +4920,12 @@ fi
 
 bad_forward=no
 echo $ac_n "checking for bad static forward""... $ac_c" 1>&6
-echo "configure:4920: checking for bad static forward" >&5
+echo "configure:4924: checking for bad static forward" >&5
 if test "$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 4925 "configure"
+#line 4929 "configure"
 #include "confdefs.h"
 
 struct s { int a; int b; };
@@ -4937,7 +4941,7 @@ main() {
 }
 
 EOF
-if { (eval echo configure:4941: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4945: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -4956,9 +4960,9 @@ echo "$ac_t""$bad_forward" 1>&6
 
 va_list_is_array=no
 echo $ac_n "checking whether va_list is an array""... $ac_c" 1>&6
-echo "configure:4960: checking whether va_list is an array" >&5
+echo "configure:4964: checking whether va_list is an array" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4962 "configure"
+#line 4966 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_STDARG_PROTOTYPES
@@ -4971,7 +4975,7 @@ int main() {
 va_list list1, list2; list1 = list2;
 ; return 0; }
 EOF
-if { (eval echo configure:4975: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4979: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4987,12 +4991,12 @@ echo "$ac_t""$va_list_is_array" 1>&6
 
 # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
 echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
-echo "configure:4991: checking for gethostbyname_r" >&5
+echo "configure:4995: checking for gethostbyname_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4996 "configure"
+#line 5000 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname_r(); below.  */
@@ -5015,7 +5019,7 @@ gethostbyname_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5019: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5023: \"$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
@@ -5035,11 +5039,11 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname_r`\" = yes"; then
 EOF
 
   echo $ac_n "checking gethostbyname_r with 6 args""... $ac_c" 1>&6
-echo "configure:5039: checking gethostbyname_r with 6 args" >&5
+echo "configure:5043: checking gethostbyname_r with 6 args" >&5
   OLD_CFLAGS=$CFLAGS
   CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 5043 "configure"
+#line 5047 "configure"
 #include "confdefs.h"
 
 #   include <netdb.h>
@@ -5056,7 +5060,7 @@ int main() {
   
 ; return 0; }
 EOF
-if { (eval echo configure:5060: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5064: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     cat >> confdefs.h <<\EOF
@@ -5076,9 +5080,9 @@ else
   
     echo "$ac_t""no" 1>&6
     echo $ac_n "checking gethostbyname_r with 5 args""... $ac_c" 1>&6
-echo "configure:5080: checking gethostbyname_r with 5 args" >&5
+echo "configure:5084: checking gethostbyname_r with 5 args" >&5
     cat > conftest.$ac_ext <<EOF
-#line 5082 "configure"
+#line 5086 "configure"
 #include "confdefs.h"
 
 #     include <netdb.h>
@@ -5095,7 +5099,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5099: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5103: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       cat >> confdefs.h <<\EOF
@@ -5115,9 +5119,9 @@ else
   
       echo "$ac_t""no" 1>&6
       echo $ac_n "checking gethostbyname_r with 3 args""... $ac_c" 1>&6
-echo "configure:5119: checking gethostbyname_r with 3 args" >&5
+echo "configure:5123: checking gethostbyname_r with 3 args" >&5
       cat > conftest.$ac_ext <<EOF
-#line 5121 "configure"
+#line 5125 "configure"
 #include "confdefs.h"
 
 #       include <netdb.h>
@@ -5132,7 +5136,7 @@ int main() {
       
 ; return 0; }
 EOF
-if { (eval echo configure:5136: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5140: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
         cat >> confdefs.h <<\EOF
@@ -5168,12 +5172,12 @@ else
   for ac_func in gethostbyname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5172: checking for $ac_func" >&5
+echo "configure:5176: 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 5177 "configure"
+#line 5181 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5196,7 +5200,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5200: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5204: \"$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
@@ -5234,12 +5238,12 @@ fi
 
 # Linux requires this for correct f.p. operations
 echo $ac_n "checking for __fpu_control""... $ac_c" 1>&6
-echo "configure:5238: checking for __fpu_control" >&5
+echo "configure:5242: checking for __fpu_control" >&5
 if eval "test \"`echo '$''{'ac_cv_func___fpu_control'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5243 "configure"
+#line 5247 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char __fpu_control(); below.  */
@@ -5262,7 +5266,7 @@ __fpu_control();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5270: \"$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
@@ -5280,7 +5284,7 @@ if eval "test \"`echo '$ac_cv_func_'__fpu_control`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for __fpu_control in -lieee""... $ac_c" 1>&6
-echo "configure:5284: checking for __fpu_control in -lieee" >&5
+echo "configure:5288: checking for __fpu_control in -lieee" >&5
 ac_lib_var=`echo ieee'_'__fpu_control | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5288,7 +5292,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5292 "configure"
+#line 5296 "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
@@ -5299,7 +5303,7 @@ int main() {
 __fpu_control()
 ; return 0; }
 EOF
-if { (eval echo configure:5303: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5307: \"$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
@@ -5332,7 +5336,7 @@ fi
 
 # Check for --with-fpectl
 echo $ac_n "checking for --with-fpectl""... $ac_c" 1>&6
-echo "configure:5336: checking for --with-fpectl" >&5
+echo "configure:5340: checking for --with-fpectl" >&5
 # Check whether --with-fpectl or --without-fpectl was given.
 if test "${with_fpectl+set}" = set; then
   withval="$with_fpectl"
@@ -5357,7 +5361,7 @@ BeOS) ;;
 *) LIBM=-lm
 esac
 echo $ac_n "checking for --with-libm=STRING""... $ac_c" 1>&6
-echo "configure:5361: checking for --with-libm=STRING" >&5
+echo "configure:5365: checking for --with-libm=STRING" >&5
 # Check whether --with-libm or --without-libm was given.
 if test "${with_libm+set}" = set; then
   withval="$with_libm"
@@ -5378,7 +5382,7 @@ fi
 # check for --with-libc=...
 
 echo $ac_n "checking for --with-libc=STRING""... $ac_c" 1>&6
-echo "configure:5382: checking for --with-libc=STRING" >&5
+echo "configure:5386: checking for --with-libc=STRING" >&5
 # Check whether --with-libc or --without-libc was given.
 if test "${with_libc+set}" = set; then
   withval="$with_libc"
@@ -5402,12 +5406,12 @@ LIBS="$LIBS $LIBM"
 for ac_func in hypot
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5406: checking for $ac_func" >&5
+echo "configure:5410: 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 5411 "configure"
+#line 5415 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5430,7 +5434,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5460,7 +5464,7 @@ LIBS=$LIBS_SAVE
 
 # check for getopt
 echo $ac_n "checking for genuine getopt""... $ac_c" 1>&6
-echo "configure:5464: checking for genuine getopt" >&5
+echo "configure:5468: checking for genuine getopt" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getopt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5468,7 +5472,7 @@ else
   ac_cv_func_getopt=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5472 "configure"
+#line 5476 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 extern int optind, opterr, getopt();
@@ -5480,7 +5484,7 @@ int main() {
 	exit(0);
 }
 EOF
-if { (eval echo configure:5484: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_getopt=yes
 else
@@ -5498,7 +5502,7 @@ test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
 
 # check whether malloc(0) returns NULL or not
 echo $ac_n "checking what malloc(0) returns""... $ac_c" 1>&6
-echo "configure:5502: checking what malloc(0) returns" >&5
+echo "configure:5506: checking what malloc(0) returns" >&5
 if eval "test \"`echo '$''{'ac_cv_malloc_zero'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5506,7 +5510,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5510 "configure"
+#line 5514 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef HAVE_STDLIB
@@ -5525,7 +5529,7 @@ main() {
 	exit(0);
 }
 EOF
-if { (eval echo configure:5529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5533: \"$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
@@ -5551,17 +5555,17 @@ fi
 # check for wchar.h
 ac_safe=`echo "wchar.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wchar.h""... $ac_c" 1>&6
-echo "configure:5555: checking for wchar.h" >&5
+echo "configure:5559: checking for wchar.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5560 "configure"
+#line 5564 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5565: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5569: \"$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*
@@ -5591,12 +5595,12 @@ fi
 # check for usable wchar_t
 usable_wchar_t="unkown"
 echo $ac_n "checking for usable wchar_t""... $ac_c" 1>&6
-echo "configure:5595: checking for usable wchar_t" >&5
+echo "configure:5599: checking for usable wchar_t" >&5
 if test "$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 5600 "configure"
+#line 5604 "configure"
 #include "confdefs.h"
 
 #include "wchar.h"
@@ -5610,7 +5614,7 @@ main() {
 }
 
 EOF
-if { (eval echo configure:5614: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5618: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   cat >> confdefs.h <<\EOF
 #define HAVE_USABLE_WCHAR_T 1
@@ -5629,14 +5633,14 @@ echo "$ac_t""$usable_wchar_t" 1>&6
 
 # check for endianness
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:5633: checking whether byte ordering is bigendian" >&5
+echo "configure:5637: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'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 5640 "configure"
+#line 5644 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5647,11 +5651,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5651: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5655: \"$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 5655 "configure"
+#line 5659 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5662,7 +5666,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5666: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5670: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -5682,7 +5686,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5686 "configure"
+#line 5690 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -5695,7 +5699,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:5699: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5703: \"$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
@@ -5722,7 +5726,7 @@ fi
 # 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""... $ac_c" 1>&6
-echo "configure:5726: checking whether right shift extends the sign bit" >&5
+echo "configure:5730: checking whether right shift extends the sign bit" >&5
 if eval "test \"`echo '$''{'ac_cv_rshift_extends_sign'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5731,7 +5735,7 @@ if test "$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 5735 "configure"
+#line 5739 "configure"
 #include "confdefs.h"
 
 int main()
@@ -5740,7 +5744,7 @@ int main()
 }
 
 EOF
-if { (eval echo configure:5744: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5748: \"$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
@@ -5772,12 +5776,12 @@ cat >> confdefs.h <<\EOF
 #endif
 EOF
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:5776: checking for socklen_t" >&5
+echo "configure:5780: checking for socklen_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5781 "configure"
+#line 5785 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS

configure.in

@@ -765,15 +765,18 @@ else
     AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
     AC_DEFINE(_POSIX_THREADS)
     LIBS="$LIBS -lcma"
-    LIBOBJS="$LIBOBJS thread.o"])
+    LIBOBJS="$LIBOBJS thread.o"],[
+    USE_THREAD_MODULE="#"])
     ])])])])])])])])
 
     AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
     LIBS="$LIBS -lmpc"
-    LIBOBJS="$LIBOBJS thread.o"])
+    LIBOBJS="$LIBOBJS thread.o"
+    USE_THREAD_MODULE=""])
     AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
     LIBS="$LIBS -lthread"
-    LIBOBJS="$LIBOBJS thread.o"])
+    LIBOBJS="$LIBOBJS thread.o"
+    USE_THREAD_MODULE=""])
 fi
 
 # Check for GC support