-libgscphftaaux.a: SSstateful_count_distinct.o Manku_HH.o hfta_runtime_library.o Makefile hfta_udaf.o
- ar rc libgscphftaaux.a SSstateful_count_distinct.o Manku_HH.o hfta_runtime_library.o hfta_udaf.o
+libgscphftaaux.a: SSstateful_count_distinct.o Manku_HH.o hfta_runtime_library.o Makefile hfta_udaf.o flip_udaf.o
+ ar rc libgscphftaaux.a SSstateful_count_distinct.o Manku_HH.o hfta_runtime_library.o hfta_udaf.o flip_udaf.o