--- src/VBox/HostDrivers/Makefile.kmk.orig	2020-07-10 02:56:59.000000000 +1000
+++ src/VBox/HostDrivers/Makefile.kmk	2020-08-22 01:44:52.852689000 +1000
@@ -39,20 +39,20 @@
  ifdef VBOX_WITH_USB
   include $(PATH_SUB_CURRENT)/VBoxUSB/Makefile.kmk
  endif
- if1of ($(KBUILD_TARGET), darwin solaris win linux freebsd)
+ if1of ($(KBUILD_TARGET), darwin solaris win linux bsdsunix freebsd)
   ifdef VBOX_WITH_NETFLT
    include $(PATH_SUB_CURRENT)/VBoxNetFlt/Makefile.kmk
   endif
  endif
- if1of ($(KBUILD_TARGET), darwin solaris win linux freebsd)
+ if1of ($(KBUILD_TARGET), darwin solaris win linux bsdsunix freebsd)
   ifdef VBOX_WITH_NETADP
    include $(PATH_SUB_CURRENT)/VBoxNetAdp/Makefile.kmk
   endif
  endif
- if1of ($(KBUILD_TARGET), darwin freebsd linux solaris)
+ if1of ($(KBUILD_TARGET), darwin bsdsunix freebsd linux solaris)
   include $(PATH_SUB_CURRENT)/adpctl/Makefile.kmk
  endif
- if1of ($(KBUILD_TARGET), darwin freebsd linux)
+ if1of ($(KBUILD_TARGET), darwin bsdsunix freebsd linux)
   include $(PATH_SUB_CURRENT)/$(KBUILD_TARGET)/Makefile.kmk
  endif