如何在不更新macOS的情况下安装Xcode 9? [英] How do I install Xcode 9 without updating macOS?

问题描述

有人在不更新macOS的情况下安装Xcode 8或Xcode 9的想法吗?

Does anyone have any idea to install Xcode 8 OR Xcode 9 without updating macOS?

我想将Xcode 7.1更新为Xcode 8或Xcode 9(或9.1)Beta.

I want to update my Xcode 7.1 to Xcode 8 or Xcode 9 (or 9.1) Beta.

但是不允许我直接在OS X Yosemite 10.10上进行更新.

But it is not allowing me to update directly on OS X Yosemite 10.10.

而且我现在不想将操作系统更新为El Capitan，所以如何在OS X Yosemite 10.10上安装Xcode 8.

And I don't want to update my OS to El Capitan now, so how can I install Xcode 8 on OS X Yosemite 10.10.

推荐答案

Xcode 8可以在OS X 10.11(El Capitan)上运行，但是您构建的应用程序无法使用，因为唯一可用的SDK是macOS 10.12 SDK，即macOS Sierra的.

Xcode 8 will work on OS X 10.11 (El Capitan) but the apps you build with won't, because the only SDK available is macOS 10.12 SDK, i.e. macOS Sierra's.

摘自发行说明:

兼容性

Xcode 8需要一台运行macOS Sierra 10.12或OS X El Capitan的Mac 10.11.5或更高版本.

Xcode 8 requires a Mac running macOS Sierra 10.12 or OS X El Capitan 10.11.5 or later.

Xcode 8包括适用于iOS 10.0，watchOS 3.0，macOS Sierra 10.12和tvOS 10.0的SDK.

Xcode 8 includes SDKs for iOS 10.0, watchOS 3.0, macOS Sierra 10.12, and tvOS 10.0.

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