Index: /trunk/src/VBox/Devices/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Devices/Makefile.kmk	(revision 17256)
+++ /trunk/src/VBox/Devices/Makefile.kmk	(revision 17257)
@@ -652,4 +652,11 @@
 	Network/slirp/udp.c
 
+ifdef VBOX_WITH_SLIRP_DNS_PROXY
+VBOX_SLIRP_SOURCES += \
+	Network/slirp/dnsproxy/hash.c \
+	Network/slirp/dnsproxy/dnsproxy.c	\
+	Network/slirp/dnsproxy/internal.c
+endif
+
 # some day will be deleted
 VBOX_WITH_SIMPLIFIED_SLIRP_SYNC=1
@@ -663,4 +670,5 @@
       $(if $(VBOX_WITH_DEBUG_NAT_SOCKETS),VBOX_WITH_DEBUG_NAT_SOCKETS,)	\
       $(if $(VBOX_WITH_MULTI_DNS),VBOX_WITH_MULTI_DNS,)	\
+      $(if $(VBOX_WITH_SLIRP_DNS_PROXY),VBOX_WITH_SLIRP_DNS_PROXY,)	\
       $(if $(VBOX_WITH_SLIRP_MT),VBOX_WITH_SLIRP_MT,)
  ifeq ($(KBUILD_TARGET),win)