diff --git a/configure b/configure
index 30aeb3f..d6544a9 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.462 .
+# From configure.in Revision: 1.464 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.57 for python 2.4.
 #
@@ -1347,6 +1347,14 @@
 _ACEOF
 
 
+# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
+# u_int on Irix 5.3. Defining _BSD_TYPES brings it back.
+
+cat >>confdefs.h <<\_ACEOF
+#define _BSD_TYPES 1
+_ACEOF
+
+
 define_xopen_source=yes
 
 # Arguments passed to configure.
@@ -12351,8 +12359,9 @@
 
 
 
-for ac_func in alarm chown clock confstr ctermid execv \
- fork fpathconf ftime ftruncate \
+
+for ac_func in alarm bind_textdomain_codeset chown clock confstr ctermid \
+ execv fork fpathconf ftime ftruncate \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getpwent getsid getwd \
  kill killpg lchown lstat mkfifo mknod mktime \
@@ -15592,6 +15601,57 @@
 echo "$as_me:$LINENO: result: $works" >&5
 echo "${ECHO_T}$works" >&6
 
+# check for socketpair
+echo "$as_me:$LINENO: checking for socketpair" >&5
+echo $ECHO_N "checking for socketpair... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+int
+main ()
+{
+void *x=socketpair
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_SOCKETPAIR 1
+_ACEOF
+
+  echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
 # check if sockaddr has sa_len member
 echo "$as_me:$LINENO: checking if sockaddr has sa_len member" >&5
 echo $ECHO_N "checking if sockaddr has sa_len member... $ECHO_C" >&6