SUFFIXES += .Y

Ytoo = $E $(call QUIET_MESSAGE,btyacc++,$(<F)) \
    $(WM_SCHEDULER) btyacc++ -v -d $(SKELETON) $< $(AND) \
    mv y_tab.c $(@D)/$(<F).C $(AND) \
    mv y_tab.h $(@D)/$(<F).H $(AND) \
    $(CC) $(c++FLAGS) -c $(@D)/$(<F).C -o $@