ios端，Flutter 产物集成，编译报错

[mlch911]

源码集成没有问题，把 Flutter 整体打包为 framework 后，ios 工程编译报错。

ld: Undefined symbols:
  _OBJC_CLASS_$_TRTCAudioRecordingParams, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCCloud, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCLocalRecordingParams, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCLocalStatistics, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCMixUser, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCNetworkQosParam, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCParams, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCPublishCDNParam, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCPublishCdnUrl, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCPublishTarget, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCQualityInfo, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCRemoteStatistics, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCRenderParams, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCStreamEncoderParam, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCStreamMixingConfig, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCSwitchRoomConfig, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCTranscodingConfig, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCUser, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCVideoEncParam, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCVideoLayout, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCVolumeInfo, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TRTCWatermark, referenced from:
       in tencent_trtc_cloud[9](CloudManager.o)
  _OBJC_CLASS_$_TXAudioMusicParam, referenced from:
       in tencent_trtc_cloud[7](AudioEffectManager.o)
  _txf_log, referenced from:
      _txf_log_swift in tencent_trtc_cloud[5](txg_log-d36156ff53b70e840cbf3a25708c9e60.o)
clang: error: linker command failed with exit code 1 (use -v to see invocation)