在CCS导入例程cloud_ota_CC3220SF_LAUNCHXL_tirtos_ccs之后，同时自动导入tirtos_builds_CC3220SF_LAUNCHXL_release_ccs，rebuild或者编译之后都会报错，信息如下：
**** Build of configuration Debug for project tirtos_builds_CC3220SF_LAUNCHXL_release_ccs ****
"E:\\CCS\\ccsv8\\utils\\bin\\gmake" -k -j 4 all -O
making ../src/sysbios/sysbios.aem4 ...
../src/makefile.libs:56: recipe for target '../src/sysbios/sysbios.aem4' failed
gmake[1]: *** No rule to make target 'BIOS.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Clock.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Idle.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Intrinsics.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Event.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Mailbox.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Queue.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Semaphore.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Swi.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'knl/Task.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'hal/Hwi.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'hal/Hwi_stack.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'hal/Hwi_startup.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'hal/Seconds.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'family/arm/m3/Hwi.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'family/arm/m3/TaskSupport.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'family/arm/m3/Timer.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'heaps/HeapMem.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'gates/GateHwi.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'gates/GateMutex.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'family/arm/cc32xx/Seconds.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'rts/ti/ReentSupport.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'rts/ti/aeabi_portable.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/clock.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/mqueue.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/pthread.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/pthread_barrier.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/pthread_cond.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/pthread_key.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/pthread_mutex.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/pthread_rwlock.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/pthread_util.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/sched.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/semaphore.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/sleep.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'ti/posix/tirtos/timer.c', needed by 'BIOS.obj'.
gmake[1]: *** No rule to make target 'family/arm/m3/Hwi_asm.sv7M', needed by 'm3_Hwi_asm.obj'.
gmake[1]: *** No rule to make target 'family/arm/m3/Hwi_asm_switch.sv7M', needed by 'm3_Hwi_asm_switch.obj'.
gmake[1]: *** No rule to make target 'family/arm/m3/IntrinsicsSupport_asm.sv7M', needed by 'm3_IntrinsicsSupport_asm.obj'.
gmake[1]: *** No rule to make target 'family/arm/m3/TaskSupport_asm.sv7M', needed by 'm3_TaskSupport_asm.obj'.
gmake[1]: Target 'all' not remade because of errors.
gmake: *** [../src/sysbios/sysbios.aem4] Error 2
gmake: Target 'all' not remade because of errors.
**** Build Finished ****
请问一下是什么问题？怎么解决呢？非常感谢！
