--- src/VBox/Additions/freebsd/vboxvfs/Makefile.kmk.orig	2020-05-13 19:37:06 UTC
+++ src/VBox/Additions/freebsd/vboxvfs/Makefile.kmk
@@ -33,32 +33,36 @@ vboxvfs_INCS          = \
        $(vboxvfs_0_OUTDIR)
 vboxvfs_SOURCES       = \
 	vboxvfs_vfsops.c \
-	vboxvfs_vnops.c
+	vboxvfs_vnops.c \
+	vboxvfs_prov.c
 vboxvfs_LIBS          = \
 	$(VBOX_LIB_VBGL_R0) \
 	$(VBOX_LIB_IPRT_GUEST_R0)
 vboxvfs_DEPS          = \
-       $$(vboxvfs_0_OUTDIR)/vnode_if.h \
-       $$(vboxvfs_0_OUTDIR)/vnode_if_newproto.h \
-       $$(vboxvfs_0_OUTDIR)/vnode_if_typedef.h
+	$(vboxvfs_0_OUTDIR)/vnode_if.h \
+	$(vboxvfs_0_OUTDIR)/vnode_if_newproto.h \
+	$(vboxvfs_0_OUTDIR)/vnode_if_typedef.h
 vboxvfs_CLEAN        += $(vboxvfs_DEPS)
 
 VBOX_AWK := /usr/bin/awk
 
-$$(vboxvfs_0_OUTDIR)/vnode_if.h: $(VBOX_FREEBSD_SRC)/kern/vnode_if.src
+$$(vboxvfs_0_OUTDIR):
+	$(QUIET)$(MKDIR) -p $(vboxvfs_0_OUTDIR)
+
+$$(vboxvfs_0_OUTDIR)/vnode_if.h: $$(vboxvfs_0_OUTDIR) $(VBOX_FREEBSD_SRC)/kern/vnode_if.src
 	$(call MSG_TOOL,awk,VBoxGuest,$<,$@)
 	$(QUIET)$(VBOX_AWK) -f $(VBOX_FREEBSD_SRC)/tools/vnode_if.awk $(VBOX_FREEBSD_SRC)/kern/vnode_if.src -h
-	$(QUIET)$(MV) $(vboxvfs_0_OUTDIR)/vnode_if.h $(vboxvfs_0_OUTDIR)/vnode_if.h
+	$(QUIET)$(MV) vnode_if.h $(vboxvfs_0_OUTDIR)/vnode_if.h
 
-$$(vboxvfs_0_OUTDIR)/vnode_if_newproto.h: $(VBOX_FREEBSD_SRC)/kern/vnode_if.src
+$$(vboxvfs_0_OUTDIR)/vnode_if_newproto.h: $$(vboxvfs_0_OUTDIR) $(VBOX_FREEBSD_SRC)/kern/vnode_if.src
 	$(call MSG_TOOL,awk,VBoxGuest,$<,$@)
 	$(QUIET)$(VBOX_AWK) -f $(VBOX_FREEBSD_SRC)/tools/vnode_if.awk $(VBOX_FREEBSD_SRC)/kern/vnode_if.src -p
-	$(QUIET)$(MV) $(vboxvfs_0_OUTDIR)/vnode_if_newproto.h $(vboxvfs_0_OUTDIR)/vnode_if_newproto.h
+	$(QUIET)$(MV) vnode_if_newproto.h $(vboxvfs_0_OUTDIR)/vnode_if_newproto.h
 
-$$(vboxvfs_0_OUTDIR)/vnode_if_typedef.h: $(VBOX_FREEBSD_SRC)/kern/vnode_if.src
+$$(vboxvfs_0_OUTDIR)/vnode_if_typedef.h: $$(vboxvfs_0_OUTDIR) $(VBOX_FREEBSD_SRC)/kern/vnode_if.src
 	$(call MSG_TOOL,awk,VBoxGuest,$<,$@)
 	$(QUIET)$(VBOX_AWK) -f $(VBOX_FREEBSD_SRC)/tools/vnode_if.awk $(VBOX_FREEBSD_SRC)/kern/vnode_if.src -q
-	$(QUIET)$(MV) $(vboxvfs_0_OUTDIR)/vnode_if_typedef.h $(vboxvfs_0_OUTDIR)/vnode_if_typedef.h
+	$(QUIET)$(MV) vnode_if_typedef.h $(vboxvfs_0_OUTDIR)/vnode_if_typedef.h
 
 include $(FILE_KBUILD_SUB_FOOTER)