Bug fix: 1) makefile dependencies, test tools could be built without

library being ready. 2) destructor did not wait for thread to fully
exit.

Author: dotsha747

Makefile

@@ -70,11 +70,11 @@ $(LIBFILE):$(LIBOBJS)
 	ln -sf $(LIBFILE) $(LIBNAME).so
 
 
-src/test/TestXPlaneBeaconListener: $(TESTOBJS)
+src/test/TestXPlaneBeaconListener: $(TESTOBJS) $(LIBFILE)
 	$(CC) -L . -o $@ src/test/TestXPlaneBeaconListener.o $(LIBNAME).so
 
 
-src/test/TestXPlaneUDPClient: $(TESTOBJS)
+src/test/TestXPlaneUDPClient: $(TESTOBJS) $(LIBFILE)
 	$(CC) -L . -o $@ src/test/TestXPlaneUDPClient.o $(LIBNAME).so
 
 clean:

src/libsrc/XPlaneUDPClient.cpp

@@ -151,10 +151,11 @@ XPlaneUDPClient::~XPlaneUDPClient() {
 
 	time_t nowTime = time(NULL);
 
-	while (isRunning && nowTime < time(NULL) - 5) {
+	while (isRunning && time(NULL) < nowTime + 5) {
 		if (debug) {
 			cerr << "waiting for XPlaneUDPClient to stop" << endl;
 		}
+		usleep (100000); // 10ms
 	}
 
 	if (isRunning) {