objective-c - Swift 项目中带有 .a 库 Xcode 的体系结构 arm64 的 undefined symbol

Question

我有一个静态 C 库 ohNetCoreFatEntotem.a，我已将其导入到最初用 ObjctiveC 编写的现有项目中。现在该项目几乎是 Swift。

当我尝试构建项目时出现以下错误:

该库是为 arm64、armv7 和 x86 编译的 fat 库

这个错误是什么意思？

谢谢

已编辑 我可能对编译器和库没有足够深入的了解……抱歉。

我已经从 https://github.com/openhome/ohNet 构建了一个库我生成了压缩文件，就像你可以找到的一样 Here .

结构是:

我创建了一个 Fat 库，其中包含来自不同结构的所有 fileLib.a，也可以找到 Here .

我创建了一个包含胖库和标题的文件夹。

如何在 xcode 中声明它们？

Answer 1

来自 HERE ，下面以摘要形式显示了两个主要主题(可能与您所看到的内容相关)。转到链接页面以获取有关该主题的更多详细信息。 (Embarcadero 是 Borland 特有的，但本教程中的大部分信息普遍适用)

UNDEFINED SYMBOL AT COMPILE TIME
An undefined symbol at compile time indicates that the named identifier was used in the named source file, but had no definition in the source file. This is usually caused by a misspelled identifier name, or missing declaration of the identifier used. (examples follow)

或者

UNDEFINED SYMBOL AT LINK TIME
When linking multi-file projects, the linker must resolve all references to functions and global variables shared between modules. When these references cannot be resolved, the linker generates an "undefined symbol" error message. This means that after searching all of the object files and libraries which are included in the link, the linker was unable to find a declaration for the identifier you were using. This can be caused by... (read more...)