Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 12385)
+++ /trunk/Config.kmk	(revision 12386)
@@ -3013,5 +3013,8 @@
     $(VBOX_LIBPATH_X11)
  else ifeq ($(KBUILD_TARGET),darwin)
-  TEMPLATE_VBOXQT4GUIEXE_LDFLAGS.darwin += -bind_at_load
+  TEMPLATE_VBOXQT4GUIEXE_CFLAGS.darwin    += $(VBOX_DARWIN_DEF_SDK_CFLAGS)
+  TEMPLATE_VBOXQT4GUIEXE_CXXFLAGS.darwin  += $(VBOX_DARWIN_DEF_SDK_CXXFLAGS)
+  TEMPLATE_VBOXQT4GUIEXE_OBJCFLAGS.darwin += $(VBOX_DARWIN_DEF_SDK_OBJCFLAGS)
+  TEMPLATE_VBOXQT4GUIEXE_LDFLAGS.darwin   += $(VBOX_DARWIN_DEF_SDK_LDFLAGS) -bind_at_load
   TEMPLATE_VBOXQT4GUIEXE_LIBS +=
   TEMPLATE_VBOXQT4GUIEXE_LIBPATH +=