Index: uspace/app/tetris/Makefile.build
===================================================================
--- uspace/app/tetris/Makefile.build	(revision cc1f8d49ea50ec53cdbef1c6e641762fee657fb0)
+++ uspace/app/tetris/Makefile.build	(revision 5eb5dcf806a6984c4ea6f7a5859a51bb9a4f5bd1)
@@ -60,4 +60,7 @@
 %.o: %.c $(DEPEND)
 	$(CC) $(DEFS) $(CFLAGS) -c $< -o $@
+ifeq ($(PRECHECK),y)
+	$(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS)
+endif
 
 $(DEPEND):