LNK2005(已定义)

发布于 2024-12-16 17:35:54 字数 1841 浏览 2 评论 0原文

我知道你已经看到 21728517 个人在这个问题上寻求帮助,但在搜索和阅读完相关内容后,我真的无法弄清楚这个问题。我知道这个错误,我以前见过它,但是,这一次,我似乎无法绕过它。

我也尝试过这个清单

所以,错误:

Error   25  error LNK2005: "void __cdecl checkStatus(unsigned int &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,bool)" (?checkStatus@@YAXAAIV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@_N@Z) already defined in DollarRecognizer.obj C:\Users\Rui Teixeira\Desktop\Current\Tese\SVN\TIFEE_Empty\TIFEE_Empty\main.obj TIFEE_Empty

Error   26  error LNK2005: "void __cdecl depth2rgb(unsigned short const *,unsigned short *,char *,int,int)" (?depth2rgb@@YAXPBGPAGPADHH@Z) already defined in DollarRecognizer.obj  C:\Users\Rui Teixeira\Desktop\Current\Tese\SVN\TIFEE_Empty\TIFEE_Empty\main.obj TIFEE_Empty

Error   27  error LNK2005: "class std::vector<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > > > __cdecl explode(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,char)" (?explode@@YA?AV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@D@Z) already defined in DollarRecognizer.obj    C:\Users\Rui Teixeira\Desktop\Current\Tese\SVN\TIFEE_Empty\TIFEE_Empty\main.obj TIFEE_Empty

所以,问题是,这些是在“misc.h”中使用适当的 #ifndef #define #endif 定义的函数。它们没有在其他地方定义,但我仍然得到死亡的 LNK2005。我做错了什么?

提前致谢。

I know you've seen 21728517 people asking for help with this one but after searching and reading about this I really can't figure this one out. I know this error, I've seen it before, however, this time, I can't seem to get around it.

I've also tried this checklist.

So, the errors:

Error   25  error LNK2005: "void __cdecl checkStatus(unsigned int &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,bool)" (?checkStatus@@YAXAAIV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@_N@Z) already defined in DollarRecognizer.obj C:\Users\Rui Teixeira\Desktop\Current\Tese\SVN\TIFEE_Empty\TIFEE_Empty\main.obj TIFEE_Empty

Error   26  error LNK2005: "void __cdecl depth2rgb(unsigned short const *,unsigned short *,char *,int,int)" (?depth2rgb@@YAXPBGPAGPADHH@Z) already defined in DollarRecognizer.obj  C:\Users\Rui Teixeira\Desktop\Current\Tese\SVN\TIFEE_Empty\TIFEE_Empty\main.obj TIFEE_Empty

Error   27  error LNK2005: "class std::vector<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > > > __cdecl explode(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,char)" (?explode@@YA?AV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@D@Z) already defined in DollarRecognizer.obj    C:\Users\Rui Teixeira\Desktop\Current\Tese\SVN\TIFEE_Empty\TIFEE_Empty\main.obj TIFEE_Empty

So, the thing is, these are functions defined in "misc.h" with the proper #ifndef #define #endif. They are not defined elsewhere but I still get the LNK2005 of death. What am I doing wrong?

Thanks in advance.

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两个我 2024-12-23 17:35:54

misc.cpp 中定义函数,而不是在 misc.h 中。

该问题可能是由于在多个 CPP 文件中使用 #includeing misc.h 造成的。标头防护可防止标头多次包含在同一个翻译单元中,但每个 CPP 文件(通常)都是一个单独的翻译单元。因此,这些函数最终会被定义两次——每个翻译单元一次。

Define the functions in misc.cpp, rather than in misc.h.

The problem is probably due to #includeing misc.h in multiple CPP files. the header guards prevent a header from being included multiple times in the same translation unit, but each CPP file is (typically) a separate translation unit. So those functions end up getting defined twice -- once in each translation unit.

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