Undefined symbols for architecture x86_64:
"_VTDecompressionSessionCreate", referenced from:
AgoraRTC::H264VideoToolboxDecoder::ResetDecompressionSession() in AgoraRtcEngineKit(libAgoraRTCEngine.a-x86_64-master.o)
"_kVTDecompressionPropertyKey_RealTime", referenced from:
AgoraRTC::H264VideoToolboxDecoder::ResetDecompressionSession() in AgoraRtcEngineKit(libAgoraRTCEngine.a-x86_64-master.o)
AgoraRTC::H264VideoToolboxDecoder::ConfigureDecompressionSession() in AgoraRtcEngineKit(libAgoraRTCEngine.a-x86_64-master.o)
"_VTDecompressionSessionDecodeFrame", referenced from:
AgoraRTC::H264VideoToolboxDecoder::Decode(AgoraRTC::EncodedImage const&, bool, AgoraRTC::RTPFragmentationHeader const*, AgoraRTC::CodecSpecificInfo const*, long long) in AgoraRtcEngineKit(libAgoraRTCEngine.a-x86_64-master.o)
我在工程中导入融云后,出现这种错误.基本上都按照文档的上要求都进行编译了.出现这种错误是为什么?