Xcode : Cannot use '@try' with Objective-C exceptions disabled

unity3d 的ios项目,用xcode打开编译时报:

Cannot use ‘@try’ with Objective-C exceptions disabled

需要设置(Xcode9.4.1为例):

Build Settings -> Apple LLVM 9.0 – Language – Objective C -> Enable Objective-C Exceptions

为:Yes 即可。

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