-design_SOURCES=design.h design_main.cpp
-
-test_filter1_SOURCES=test_filter1.cpp
-test_filter2_SOURCES=test_filter2.cpp
+test_filter1_SOURCES=test_filter1.cpp $(YP2_INCHPP)
+test_filter2_SOURCES=test_filter2.cpp $(YP2_INCHPP)
+test_session1_SOURCES=test_session1.cpp $(YP2_INCHPP)
+test_session2_SOURCES=test_session2.cpp $(YP2_INCHPP)
+test_boost_threads_SOURCES=test_boost_threads.cpp
+test_boost_time_SOURCES=test_boost_time.cpp
+test_thread_pool_observer_SOURCES = test_thread_pool_observer.cpp \
+ thread_pool_observer.cpp thread_pool_observer.h