--- a/components/libusb/ugen/Makefile	Wed May 11 12:56:18 2011 -0700
+++ b/components/libusb/ugen/Makefile	Wed May 11 13:02:39 2011 -0700
@@ -38,6 +38,9 @@
 $(BUILD_DIR_64)/.installed:	BITS=64
 COMPONENT_INSTALL_ARGS += BITS=$(BITS)
 
+download:
+
+clobber:	clean
 
 # common targets
 $(SOURCE_DIR)/.prep:

--- a/components/libusb/wrapper/Makefile	Wed May 11 12:56:18 2011 -0700
+++ b/components/libusb/wrapper/Makefile	Wed May 11 13:02:39 2011 -0700
@@ -42,6 +42,10 @@
 $(SOURCE_DIR)/.prep:
 	$(TOUCH) $@
 
+download:
+
+clobber:	clean
+
 prep:	$(SOURCE_DIR)/.prep
 
 build:		$(BUILD_32_and_64)