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--- a/src/index/Makefile
+++ b/src/index/Makefile
@@ -20,6 +20,13 @@
 	$(CXX) $(ALL_CXXFLAGS) -c -o rclmonrcv.o $<
 rclmonprc.o : rclmonprc.cpp 
 	$(CXX) $(ALL_CXXFLAGS) -c -o rclmonprc.o $<
+
+SUBTREELIST_OBJS= subtreelist.o  $(BIGLIB) 
+subtreelist : $(SUBTREELIST_OBJS)
+	$(CXX) $(ALL_CXXFLAGS) -o subtreelist $(SUBTREELIST_OBJS) \
+	       $(LIBICONV) $(LIBXAPIAN) $(LIBSYS)
+subtreelist.o : subtreelist.cpp 
+	$(CXX) $(ALL_CXXFLAGS) -DTEST_SUBTREELIST -c subtreelist.cpp
 
 CSGUESS_OBJS= trcsguess.o  $(BIGLIB) 
 csguess : $(CSGUESS_OBJS)