Index: common.mak
===================================================================
--- common.mak	(revision 15505)
+++ common.mak	(working copy)
@@ -39,6 +39,12 @@
 %.d: %.cpp
 	$(DEPEND_CMD) > $@
 
+i386/%.o: i386/%.asm
+	$(YASM) $(YASMFLAGS) -I $(<D)/ -o $@ $<
+
+i386/%.d: i386/%.asm
+	$(YASM) $(YASMFLAGS) -I $(<D)/ -M -o $(@:%.d=%.o) $< > $@
+
 %.o: %.d
 
 %$(EXESUF): %.c