检查“递归"是什么意思?在标题搜索路径中 [英] What does it mean when you check on "Recursive" in Header Search Paths

问题描述

我引用了很多项目，我通过在标题搜索路径中添加它们的路径来实现.

I've been referencing a lot of Projects, and i do it through adding their paths in Header Search Paths.

我一直在通过参考项目"入门(例如包括 ZXingWidget)关注参考资料.

I've been following the referencing stuffs through the "Referenced Project's" getting Started (like for example including the ZXingWidget).

而且我现在已经做了很多，但我不了解递归检查.

And I've been doing it a lot now, but I don't understand the checking of recursive.

1. 这是什么意思?
2. 我什么时候检查递归"路径?

谢谢

推荐答案

如果你给 Xcode 一个用于标题的路径，它会在你使用 #include 或 时检查该路径#import 语句.如果文件不存在，它会退出.

If you give Xcode a path to use for headers, it will check that path when you use an #include or #import statement. If the file isn't there, it quits.

如果您将路径设置为递归"，Xcode 将搜索它在那里找到的文件夹，如果没有找到该文件.

If you have the path set as "recursive", Xcode will search folders it finds there if it doesn't find the file.

看起来像这样:

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