Undefined symbols for architecture arm64:

"_OBJC_CLASS_$_UIResponder", referenced from:

_OBJC_CLASS_$_AppDelegate in AppDelegate.o

"_OBJC_METACLASS_$_UIResponder", referenced from:

_OBJC_METACLASS_$_AppDelegate in AppDelegate.o

"_UIApplicationMain", referenced from:

_main in main.o

"_OBJC_METACLASS_$_UIViewController", referenced from:

_OBJC_METACLASS_$_LoadingViewController in LoadingViewController.o

"_OBJC_CLASS_$_UIViewController", referenced from:

_OBJC_CLASS_$_LoadingViewController in LoadingViewController.o

ld: symbol(s) not found for architecture arm64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

时间： 2024-10-29 04:04:06

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