Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 40988)
+++ /trunk/Config.kmk	(revision 40989)
@@ -418,5 +418,7 @@
 VBOX_WITH_EFIFW_PACKING = 1
 # Use kStuff for MACH-O and LX binary loading.
-IPRT_WITH_KSTUFF = 1
+if1of ($(KBUILD_TARGET_ARCH), x86 amd64)
+ IPRT_WITH_KSTUFF = 1
+endif
 # Enable setuid wrapper for Solaris host DVD.
 #VBOX_WITH_SUID_WRAPPER = 1