升级到macos sierra xcode8 requires additional components to support runing and debugging choose Install to add required components

升级到macos sierra xcode8 requires additional components to support runing and debugging choose Install to add required components

升级到macos sierra xcode8 requires additional components to support runing and debugging choose Install to add required components
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原文地址：https://www.cnblogs.com/gaozhang12345/p/6092544.html