-ObjC 链接器标志有什么作用? [英] What does the -ObjC linker flag do?

问题描述

我有一个可以使用和不使用链接器标志的应用程序.但是，如果没有链接器标志，我在向视图中添加数据时会得到非常不同的行为.

I have an app that works with and without the linker flag. However, without the linker flag, I get a very different behaviour when adding data to a view.

推荐答案

此标志使链接器加载库中定义了 Objective-C 类或类别的每个目标文件.虽然此选项通常会导致更大的可执行文件(由于将额外的目标代码加载到应用程序中)，但它将允许成功创建包含现有类的类别的有效 Objective-C 静态库.

This flag causes the linker to load every object file in the library that defines an Objective-C class or category. While this option will typically result in a larger executable (due to additional object code loaded into the application), it will allow the successful creation of effective Objective-C static libraries that contain categories on existing classes.

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