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导航
文章目录
  1. 错误整理
    1. Undefined symbols
    2. 结论

Xcode 开发的出错整理

错误整理

这篇文章会整理开发过程中,我认为非常奇葩蹊跷的错误。会不定期更新。

Undefined symbols

  • 在链接过程中找不到符号表
Undefined symbols for architecture i386:
"_OBJC_CLASS_$_ShareService", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决办法

  • TargetSettings -> Build Phases -> Compile Sources -> add your .m class ->Build and Run

  • WeChat

链接过程找不到符号

Undefined symbols for architecture i386:
"_OBJC_CLASS_$_SendMessageToWXReq", referenced from:
objc-class-ref in ShareService-975EADE79707A8E.o
"_OBJC_CLASS_$_SendMessageToWXResp", referenced from:
objc-class-ref in ShareService-975EADE79707A8E.o
"_OBJC_CLASS_$_WXApi", referenced from:
objc-class-ref in ShareService-975EADE79707A8E.o
"_OBJC_CLASS_$_WXMediaMessage", referenced from:
objc-class-ref in ShareObject-7F9E83398E91668B.o
"_OBJC_CLASS_$_WXWebpageObject", referenced from:
objc-class-ref in ShareObject-7F9E83398E91668B.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决办法

  1. Build Settings -> Other Linker Flags 添加需要的 flag
  2. Build Settings -> Library Search Paths 中添加 libWeChatSDK.a ,WXApi.h,WXApiObject.h,文件所在位置
  3. Build Phases -> Linked Frameworks and Libraries 添加 framework 和 libWeChatSDK.a 库

结论

Undefined symbols 问题一般就是缺少了编译的文件、库等,而导致项目在链接过程中找不到对应的符号。

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