OpenCV: 对“google::protobuf::internal::Release_CompareAndSwap”的未定义
解决办法:需要在文件protobuf/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h中的以下补丁inlineAtomic64Release_CompareAndSwap(volatileAtomic64*ptr,Atomic64old_value,Atomic64new_value){__atomic_compare_exch