Index: /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk	(revision 12386)
+++ /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk	(revision 12387)
@@ -456,8 +456,9 @@
 
 
-ifeq ($(KBUILD_TARGET),darwin)
+if "$(KBUILD_TARGET)" == "darwin" && !defined(VBOX_WITH_QT4GUI) # don't conflict the qt4 gui
 #
 # On Mac OS X (darwin) we need to install icon resources and compulsory bundle contents.
 #
+$(warning The qt3 gui will not work right on it own after we renamed it to *3..)
 INSTALLS.darwin += VirtualBox3.app
 VirtualBox3.app_INST = $(INST_VIRTUALBOX)Contents/
@@ -498,5 +499,5 @@
 		--output $@ \
 		$<
-endif # darwin
+endif # darwin && !qt4gui