$NetBSD: patch-Makefile.objs,v 1.2 2016/09/04 09:21:04 ryoon Exp $

--- Makefile.objs.orig	2016-09-02 15:34:17.000000000 +0000
+++ Makefile.objs
@@ -113,8 +113,10 @@ qga-vss-dll-obj-y = qga/
 
 ######################################################################
 # contrib
+ifeq ($(CONFIG_SHM_OPEN),y)
 ivshmem-client-obj-y = contrib/ivshmem-client/
 ivshmem-server-obj-y = contrib/ivshmem-server/
+endif
 
 
 ######################################################################