在CC3200工程编译时出现这种错误，这是为何？
Error[Li005]: no definition for "vApplicationStackOverflowHook" [referenced from tasks.o(free_rtos.a)]
Error[Li005]: no definition for "vAssertCalled" [referenced from tasks.o(free_rtos.a)]
Error[Li005]: no definition for "_SlNonOsMainLoopTask" [referenced from C:\ti\CC3200SDK_1.0.0\cc3200-sdk\example\Ani-device\Debug\Obj\main.o]
Error[Li005]: no definition for "vApplicationMallocFailedHook" [referenced from heap_3.o(free_rtos.a)]
