Index: /trunk/src/VBox/Storage/VD.cpp
===================================================================
--- /trunk/src/VBox/Storage/VD.cpp	(revision 41034)
+++ /trunk/src/VBox/Storage/VD.cpp	(revision 41035)
@@ -47,5 +47,5 @@
  * requires the SUPR3 library which is not available there.
  */
-#if !defined(RT_ARCH_X86) && !defined(RT_ARCH_AMD64)
+#if !defined(VBOX_HDD_NO_DYNAMIC_BACKENDS) && !defined(RT_ARCH_X86) && !defined(RT_ARCH_AMD64)
 # define VBOX_HDD_NO_DYNAMIC_BACKENDS
 #endif