unity打包ios Xcode问题记录

1、Exception: Unity.IL2CPP.Building.BuilderFailedException: Build failed with 0 successful nodes and 1 failed ones Annotation: IL2CPP_CodeGen E:/UnityProjects/TCM_Consultation_U3D_v3_App/TCM_Consultation_Git_v3/Library/Il2cppBuildCache/iOS/buildstate/artifacts/il2cpp_conv_0ry3.traceevents

解决办法：删除 Library文件夹下的Il2cppBuildCache

2、Microphone class is used but Microphone Usage Description is empty. App will not work on iOS 10+.
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

解决办法： 麦克风权限问题，设置下麦克风权限的描述