file not found: /Users/hx/Library/Developer/Xcode/DerivedData/Build/Products/...

因爲一個工程裏有兩個target，暫且稱爲target A和target B 吧！在更改了工程名後，在模擬器中運行時就報如下錯誤：app ld: file not found: /Users/hx/Library/Developer/Xcode/DerivedData/Build/Products/Debug-iphonesimulator/YQ_HX.app/YQ_HXiphone clang:

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