如何关闭 MSVC 中的异常处理? [英] How can I switch off exception handling in MSVC?

问题描述

有人知道如何关闭 MSVC 中的异常处理选项吗?我试图将选项启用 C++ 异常"设置为否"，但收到警告:警告 C4530:使用了 C++ 异常处理程序，但未启用展开语义.指定/EHsc.

Does anybody know how to switch off exception handling option in MSVC? I tried to set the option 'Enable C++ exceptions' to 'NO' and I got warning: warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc.

我也想关闭异常处理程序，但我不知道如何.

I would like to switch off the exception handler, too, but I don't know how.

在我的应用程序中，我基本上需要比稳定性更高的速度，因此我选择关闭异常处理.我没有任何 try/catch 块，但我确实使用了 STL.当我将启用 C++ 异常"选项切换为否"时，有什么方法可以消除这些警告?

In my application I basically need more speed than stability, therefore I chose switching off the exception handling. I do not have any try/catch blocks, but I do use STL. When I switch the option 'Enable C++ exceptions' to 'NO' is there any way how to get rid of those warnings?

推荐答案

很可能您包含一个或多个包含 try/catch 的标准 C++ 头文件.最典型的情况是 <iostream> - 您将在文件中收到此错误，该文件仅包含一行.任何其他流标头也可以，区域设置也是如此.

Most likely you're including one or more standard C++ headers that contain try/catch. The most typical case would be <iostream> - you will get this error on a file which consists of a single line that just includes that. Any other stream header will also do, as will locales.

如果您仔细查看错误消息，它应该引用两个文件名，而不是一个 - 您的文件和包含错误的包含文件.例如.在我的 #include 示例案例中，我得到了这个:

If you look closely at the error message, it should reference two filenames, not one - your file, and the included file with the error. E.g. in my sample case of #include <iostream>, I get this:

except.cpp
C:Program FilesMicrosoft Visual Studio 9.0VCINCLUDExlocale(342) : warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc

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