CMake: Change the way tests links lmms

tests/CMakeLists.txt

@@ -1,6 +1,7 @@
 INCLUDE_DIRECTORIES("${CMAKE_CURRENT_SOURCE_DIR}")
 INCLUDE_DIRECTORIES("${CMAKE_CURRENT_BINARY_DIR}")
 INCLUDE_DIRECTORIES("${CMAKE_SOURCE_DIR}/include")
+INCLUDE_DIRECTORIES("${CMAKE_BINARY_DIR}")
 
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++0x")
 
@@ -10,6 +11,8 @@ ADD_EXECUTABLE(tests
 	EXCLUDE_FROM_ALL
 	main.cpp
 	QTestSuite
+
+	$<TARGET_OBJECTS:lmmsobjs>
 )
 TARGET_LINK_LIBRARIES(tests ${QT_LIBRARIES} ${QT_QTTEST_LIBRARY})
-TARGET_LINK_LIBRARIES(tests lmms)
+TARGET_LINK_LIBRARIES(tests ${LMMS_REQUIRED_LIBS})