diff --git a/configure b/configure
index 9ce4a686c9e..24be8054cea 100755
--- a/configure
+++ b/configure
@@ -2576,6 +2576,7 @@ case $_host_os in
 			_optimization_level=-O0
 			append_var CXXFLAGS "-fno-omit-frame-pointer"
 			append_var CXXFLAGS "-fno-strict-aliasing"
+			define_in_config_if_yes "$_debug_build" 'DEBUG_BUILD'
 		fi
 		# When building dynamic, add everything possible as plugin
 		if test "$_dynamic_modules" = yes ; then