RethinkDB build fix.

controller/RethinkDB.hpp

@@ -45,6 +45,11 @@ public:
 	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId);
 
 protected:
+	struct _PairHasher
+	{
+		inline std::size_t operator()(const std::pair<uint64_t,uint64_t> &p) const { return (std::size_t)(p.first ^ p.second); }
+	};
+
 	std::string _host;
 	std::string _db;
 	std::string _auth;
@@ -58,7 +63,7 @@ protected:
 	BlockingQueue< nlohmann::json * > _commitQueue;
 	std::thread _commitThread[ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS];
 
-	std::unordered_map< std::pair<uint64_t,uint64_t>,int64_t > _lastOnline;
+	std::unordered_map< std::pair<uint64_t,uint64_t>,int64_t,_PairHasher > _lastOnline;
 	mutable std::mutex _lastOnline_l;
 	std::thread _onlineNotificationThread;
 

make-linux.mk

@@ -268,7 +268,7 @@ official-static:	FORCE
 
 central-controller:	FORCE
 	cd ext/librethinkdbxx ; make
-	make -j4 LDLIBS="ext/librethinkdbxx/build/librethinkdb++.a" DEFS="-DZT_CONTROLLER_USE_RETHINKDB" one
+	make LDLIBS="ext/librethinkdbxx/build/librethinkdb++.a" DEFS="-DZT_CONTROLLER_USE_RETHINKDB" one
 
 debug:	FORCE
 	make ZT_DEBUG=1 one