Index: virtualbox/Config.kmk
===================================================================
--- virtualbox.orig/Config.kmk	2014-06-05 12:49:17.791810962 +0400
+++ virtualbox/Config.kmk	2014-06-05 15:06:10.115009485 +0400
@@ -1833,9 +1833,9 @@
 VBOX_DEF_2_LAZY_LOAD ?= $(PATH_OBJ)/VBoxDef2LazyLoad/VBoxDef2LazyLoad$(HOSTSUFF_EXE)
 
 # GNU tar if present.
-if1of ($(KBUILD_TARGET), linux os2 win)
+if1of ($(KBUILD_TARGET), linux os2 win solaris)
  VBOX_GTAR ?= tar
-else if1of ($(KBUILD_TARGET), freebsd solaris)
+else if1of ($(KBUILD_TARGET), freebsd)
  VBOX_GTAR ?= gtar
 endif