Xcode|Xcode Build报错could not build module 'UIKit'

尝试了clean,删除driverdata都没有用。
最后 Surround #import's with preprocessor directive #ifdef __OBJC__ #endif
【Xcode|Xcode Build报错could not build module 'UIKit'】参考链接
https://stackoverflow.com/questions/19723392/adding-c-file-causes-pch-error

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