-binloader: binloader.o hash.o count.pb.o
-binmerger: binmerger.o count.pb.o
-binlookup: binlookup.o count.pb.o
+binloader: binloader.o hash.o arena.o count.pb.o
+binmerger: binmerger.o merge_count.o count.pb.o
+binlookup: binlookup.o hash.o merge_count.o count.pb.o