diff --git a/configure.ac b/configure.ac
index cca9602..b30d376 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,5 +68,6 @@ AC_MSG_NOTICE([
   CC     : $CC
   CFLAGS : $STRICT_CFLAGS $CFLAGS
   tests  : $enable_tests
+  debug  : $enable_debug
 ])