C++ _iterator_debug_level 值“0”与值“2”不匹配
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_iterator_debug_level value '0' doesn't match value '2'
提问by tweetypi
I've just moved over a Visual Studio (C++) solution over to another computer, setup all the directories and settings as far as I can see, and did a clean/rebuild on the solution. I get the error above on a bunch of .obj's on compile, not sure what to do about it.
我刚刚将 Visual Studio (C++) 解决方案转移到另一台计算机上，就我所见设置了所有目录和设置，并对解决方案进行了清理/重建。我在编译时收到一堆 .obj 的错误，不知道该怎么办。
采纳答案by Michael Goldshteyn
It seems that you are mixing object files built with different settings. Try to do a full clean rebuild and check all project file settings to make sure that the _ITERATOR_DEBUG_LEVEL macro is the same (e.g., you are not mixing debug and release built objects).
您似乎正在混合使用不同设置构建的目标文件。尝试进行完全干净的重建并检查所有项目文件设置以确保 _ITERATOR_DEBUG_LEVEL 宏相同（例如，您没有混合调试和发布构建对象）。
回答by Andreas Spindler
Mixing binaries (object files) is one reason; another (which I encountered) is the false definition of the _DEBUGmacro in the release build. _DEBUGis not a standard macro, but used by Microsoft.
混合二进制文件（目标文件）是原因之一；另一个（我遇到的）是_DEBUG发布版本中宏的错误定义。_DEBUG不是标准的宏，而是微软使用的。
After editing the .vcxproj-file in Emacs I mistyped _DEBUGinstead of NDEBUGfor the release, and encountered precisely the same build error.
在 Emacs 中编辑.vcxproj文件后，我输入错误_DEBUG而不是NDEBUG发布，并遇到完全相同的构建错误。
回答by Ganesh Kamath - 'Code Frenzy'
In some cases, mixing the options in
在某些情况下，混合选项
Properties>Configuration Properties>C/C++>Code Generation>Runtime Library
属性>配置属性>C/C++>代码生成>运行时库
Between included Library(ies)and currently working projectcan cause this problem.
在包含的库和当前工作的项目之间可能会导致此问题。
Depending on usage set it as /MDor /MTor /MDdor /MTduniformly across all projects.
根据使用情况，在所有项目中将其设置为/MDor/MT或/MDdor /MTd。
回答by John Duke
I have been trying to solve this issue for five days. The Point Cloud Library (PCL) code builds successfully in debug mode but fails in release mode.
我已经尝试解决这个问题五天了。点云库 (PCL) 代码在调试模式下成功构建，但在发布模式下失败。
I have reconfigured my library several times but it didn't help. I found the problem was that the release version was inheriting _DEBUG so I unchecked it under project properties >> Preprocessor >> Processor Definitions and it was solved.
我已经多次重新配置我的图书馆，但没有帮助。我发现问题是发布版本继承了_DEBUG，所以我在项目属性>>预处理器>>处理器定义下取消选中它并解决了。
回答by Michael Haephrati
I found out (oddly) that _CRT_NON_CONFORMING_SWPRINTFS causes it. When I remove it, I don't get "_iterator_debug_level value '0' doesn't match value '2'" but instead the following warning:
我发现（奇怪）是 _CRT_NON_CONFORMING_SWPRINTFS 导致的。当我删除它时，我没有收到“_iterator_debug_level value '0' does not match value '2'”而是以下警告：
Error 6 error C4996: '_swprintf': swprintf has been changed to conform with the ISO C standard, adding an extra character count parameter. To use traditional Microsoft swprintf, set _CRT_NON_CONFORMING_SWPRINTFS.
错误 6 错误 C4996：'_swprintf'：swprintf 已更改为符合 ISO C 标准，添加了额外的字符计数参数。要使用传统的 Microsoft swprintf，请设置 _CRT_NON_CONFORMING_SWPRINTFS。
