--- src/VBox/ValidationKit/Makefile.kmk.orig	2020-07-10 02:58:02.000000000 +1000
+++ src/VBox/ValidationKit/Makefile.kmk	2020-08-21 17:06:15.243318000 +1000
@@ -100,7 +100,7 @@
 			$$(filter $(PATH_STAGE)/$(INST_VALIDATIONKIT)%, $$($$(inst)_2_STAGE_TARGETS)))
 	$(call MSG_L1,Packing the Test Suite $@)
 	$(QUIET)$(RM) -f $@
-	$(foreach os, darwin freebsd linux os2 solaris win,$(foreach arch, x86 amd64 \
+	$(foreach os, darwin bsdsunix freebsd linux os2 solaris win,$(foreach arch, x86 amd64 \
 	,$(if-expr defined(VBOX_WITH_VALIDATIONKIT_PACKING.$(os).$(arch))\
 		,$(NLTAB)$(QUIET)$(REDIRECT) -C $(PATH_OUT_BASE)/$(os).$(arch)/$(KBUILD_TYPE)/ \
 			-- $(VBOX_ZIP) -r9 $@ $(INST_VALIDATIONKIT) -x '*.pyc',)))
@@ -115,7 +115,7 @@
  		$$(TestBoxHelper_2_STAGE_TARGETS)
 	$(call MSG_L1,Packing the TestBox Script files to $@)
 	$(QUIET)$(RM) -f $@
-	$(foreach os, darwin freebsd linux os2 solaris win,$(foreach arch, x86 amd64 \
+	$(foreach os, darwin bsdsunix freebsd linux os2 solaris win,$(foreach arch, x86 amd64 \
 	,$(if-expr defined(VBOX_WITH_VALIDATIONKIT_PACKING.$(os).$(arch))\
 		,$(NLTAB)$(QUIET)$(REDIRECT) -C $(PATH_OUT_BASE)/$(os).$(arch)/$(KBUILD_TYPE)/ \
 			-- $(VBOX_ZIP) -r9X $@ $(INST_TESTBOXSCRIPT) -x '*.pyc',)))
@@ -154,7 +154,7 @@
 endif
 
 # Generate VBOX_PATH_VALIDATIONKIT.os.arch variables.
-$(foreach os, darwin freebsd linux os2 solaris win,$(foreach arch, x86 amd64, \
+$(foreach os, darwin bsdsunix freebsd linux os2 solaris win,$(foreach arch, x86 amd64, \
 	$(eval VBOX_PATH_VALIDATIONKIT.$(os).$(arch) = $(PATH_OUT_BASE)/$(os).$(arch)/$(KBUILD_TYPE)/$(INST_VALIDATIONKIT)$(os)/$(arch)) \
 ))
 
@@ -180,7 +180,7 @@
 	$(eval $(def_vbox_validationkit_common_files)) \
 ))
 TMP_SUFF_EXE=
-$(foreach os, darwin freebsd linux solaris,$(foreach arch, x86 amd64, \
+$(foreach os, darwin bsdsunix freebsd linux solaris,$(foreach arch, x86 amd64, \
 	$(eval $(def_vbox_validationkit_common_files)) \
 ))