diff --git a/configure b/configure
index 1e4011ba9..5be1b5a44 100755
--- a/configure
+++ b/configure
@@ -390,7 +390,7 @@ if test "$have_gcc" = yes; then
 	fi
 
 	case $cxx_version in
-		2.95.[2-9]|2.95.[2-9][-.]*|3.[0-9]|3.[0-9].[0-9]|3.[0-9].[0-9][-.]*|4.[0-9]|4.[0-9].[0-9]|4.[0-9].[0-9][-.]*|5.[0-9]|5.[0-9].[0-9]|5.[0-9].[0-9][-.]*)
+		2.95.[2-9]|2.95.[2-9][-.]*|3.[0-9]|3.[0-9].[0-9]|3.[0-9].[0-9][-.]*|4.[0-9]|4.[0-9].[0-9]|4.[0-9].[0-9][-.]*|5.[0-9]|5.[0-9].[0-9]|5.[0-9].[0-9][-.]*|6.[0-9]|6.[0-9].[0-9]|6.[0-9].[0-9][-.]*)
 			_cxx_major=`echo $cxx_version | cut -d '.' -f 1`
 			_cxx_minor=`echo $cxx_version | cut -d '.' -f 2`
 			cxx_version="$cxx_version, ok"