如何启用/禁用“自动引用计数"? [英] How to enable/ disable "Automatic Reference Counting"?

问题描述

使用Xcode 4.2，如何启用/禁用自动引用计数"?

Using Xcode 4.2, how can one enable/disable "Automatic Reference Counting"?

应答在构建设置"下，根据是否要启用ARC翻转是"和否".

ANSWERED Under Build Settings, flip "yes" and "no" depending whether you want ARC enabled.

推荐答案

全局:

转到构建设置"，查找"Apple LLVM编译器3.0-语言".设置领域 将"Objective-C自动引用计数"更改为否".

Go to "Build Settings", look for "Apple LLVM compiler 3.0 - Language". Set the field "Objective-C Automatic Reference Counting" to "No".

对于单个文件:

转到构建阶段"，选择文件，双击编译器标志"列，然后放入 其中的"-fno-objc-arc".

Go to "Build Phases", select the file, double-click the "Compiler Flags" column and put "-fno-objc-arc" in it.

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