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无法理解链接器在抱怨什么

[英]Cannot understand what linker is complaining about

原文 2018-11-10 04:20:45 9 1 c++/ visual-studio/ boost/ linker/ boost-logging

When compiling my project that uses boost logging library, I am getting following linker error.编译使用 boost 日志库的项目时，出现以下链接器错误。

LNK2001 unresolved external symbol "public: static class boost::log::v2s_mt_nt6::sources::severity_logger_mt __cdecl my_logger::construct_logger(void)" (?construct_logger@my_logger@@SA?AV?$severity_logger_mt@W4severity_level@trivial@v2s_mt_nt6@log@boost@@@sources@v2s_mt_nt6@log@boost@@XZ) LNK2001 未解析的外部符号“public: static class boost::log::v2s_mt_nt6::sources::severity_logger_mt __cdecl my_logger::construct_logger(void)” (?construct_logger@my_logger@@SA?AV?$severity_logger_mt@W4severity_level@trivial@vnt @log@boost@@@sources@v2s_mt_nt6@log@boost@@XZ)

I don't know how to read this error message with mangled function names.我不知道如何使用损坏的函数名称阅读此错误消息。 Can anyone tell me in human readable way what function it cannot find?谁能以人类可读的方式告诉我它找不到什么功能？

1 个解决方案

Googling "boost log unresolved external symbol" leads to https://www.boost.org/doc/libs/1_59_0/libs/log/doc/html/log/rationale/namespace_mangling.html (first, highlighted hit) which describes BOOST_LOG_DYN_LINK .谷歌搜索“boost log unresolved external symbol”导致https://www.boost.org/doc/libs/1_59_0/libs/log/doc/html/log/rationale/namespace_mangling.html （第一个，突出显示的命中），它描述了BOOST_LOG_DYN_LINK .

This incidentally also the most frequent answer on SO: https://stackoverflow.com/search?tab=votes&q=%5bboost-log%5d%20linker顺便说一下，这也是 SO 上最常见的答案： https : //stackoverflow.com/search? tab = votes & q =% 5bboost-log%5d% 20linker

However ABI issues can play a role, see eg Unresolved external when using boost log然而，ABI 问题可以发挥作用，请参阅例如Unresolved external when using boost log

为什么链接程序不抱怨多个函数定义（仅对于模板函数）？ - Why is the linker not complaining about multiple function definitions (only with templated functions)?

编译器/链接器抱怨 function 定义在 C++ 中找不到 - Compiler/linker complaining about function definition not found in C++

什么是这个奇怪的复制构造错误抱怨？ - What is this strange copy constructor error complaining about?

不确定编译器在抱怨什么，以及如何找到解决方案 - Not sure what Compiler is complaining about, and how to find the solution

gcc -Wstringop-overflow 在这里抱怨什么？ - What is gcc -Wstringop-overflow complaining about here?

我对 memory 泄漏有什么不明白的地方？ - What do I not understand about memory leaks?

了解 decltype 在 c++ 中返回的内容 - understand about what decltype returns in c++

为什么这段代码会抱怨“非类型模板参数不能有类型”？ - Why is this code complaining about “a non-type template parameter cannot have type”?

Syntastic抱怨文件丢失 - Syntastic complaining about missing file

Libpqxx抱怨缺少参考文献 - Libpqxx complaining about missing references

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相关问题 为什么链接程序不抱怨多个函数定义（仅对于模板函数）？ - Why is the linker not complaining about multiple function definitions (only with templated functions)? 编译器/链接器抱怨 function 定义在 C++ 中找不到 - Compiler/linker complaining about function definition not found in C++ 什么是这个奇怪的复制构造错误抱怨？ - What is this strange copy constructor error complaining about? 不确定编译器在抱怨什么，以及如何找到解决方案 - Not sure what Compiler is complaining about, and how to find the solution gcc -Wstringop-overflow 在这里抱怨什么？ - What is gcc -Wstringop-overflow complaining about here? 我对 memory 泄漏有什么不明白的地方？ - What do I not understand about memory leaks? 了解 decltype 在 c++ 中返回的内容 - understand about what decltype returns in c++ 为什么这段代码会抱怨“非类型模板参数不能有类型”？ - Why is this code complaining about “a non-type template parameter cannot have type”? Syntastic抱怨文件丢失 - Syntastic complaining about missing file Libpqxx抱怨缺少参考文献 - Libpqxx complaining about missing references

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