Index: uspace/srv/fs/devfs/Makefile
===================================================================
--- uspace/srv/fs/devfs/Makefile	(revision cc1f8d49ea50ec53cdbef1c6e641762fee657fb0)
+++ uspace/srv/fs/devfs/Makefile	(revision 99de22b5fb6b8faaa2a2796f37caebf2f125988b)
@@ -34,7 +34,7 @@
 all: $(LIBC_PREFIX)/../../../Makefile.config $(LIBC_PREFIX)/../../../config.h $(LIBC_PREFIX)/../../../config.defs $(LIBS)
 	-[ -f $(DEPEND) ] && mv -f $(DEPEND) $(DEPEND_PREV)
-	$(MAKE) -f Makefile.build
+	$(MAKE) -f Makefile.build PRECHECK=$(PRECHECK)
 
 clean:
-	rm -f $(DEPEND) $(DEPEND_PREV) $(OUTPUT) $(OUTPUT).map $(OUTPUT).disasm
+	rm -f $(DEPEND) $(DEPEND_PREV) $(JOB) $(OUTPUT) $(OUTPUT).map $(OUTPUT).disasm
 	find . -name '*.o' -follow -exec rm \{\} \;