diff --git a/configure.ac b/configure.ac
index 41d45f9cb2b1c2e63b1c9c2e28f9ac9ff443ca7a..39a5ca20b748f5cf4037b2f051e63aa17efe7ced 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1009,6 +1009,7 @@ echo "\
    cmmcpp       : $CmmCPPCmd
    cmmcpp-flags : $CmmCPPArgs
    cmmcpp-g0    : $CmmCPPSupportsG0
+   c++          : $CXX
    ar           : $ArCmd
    nm           : $NmCmd
    objdump      : $ObjdumpCmd