diff --git a/configure b/configure
index f4ee310..de5c354 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 71274 .
+# From configure.in Revision: 71663 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 3.1.
 #
@@ -22310,7 +22310,8 @@
 
 
 
-for ac_func in acosh asinh atanh copysign expm1 finite hypot log1p
+
+for ac_func in acosh asinh atanh copysign expm1 finite hypot log1p round
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { echo "$as_me:$LINENO: checking for $ac_func" >&5