diff --git a/m4/configure.information b/m4/configure.information
index 6ae2f0771d..cab2deabeb 100644
--- a/m4/configure.information
+++ b/m4/configure.information
@@ -46,6 +46,8 @@ AC_MSG_NOTICE([LIBS: ${LIBS}])
 
 CC_VERSION=`${CC} --version 2>&1`
 AC_MSG_NOTICE([CC: ${CC_VERSION}])
+CXX_VERSION=`${CXX} --version 2>&1`
+AC_MSG_NOTICE([CXX: ${CXX_VERSION}])
 
 echo $FLAG_INFO | tr "|" "\n" | while read a; do
   if test "x$a" != "x";  then