MSBuild C ++ - 命令行 - 可以传递定义？ [英] MSBuild C++ - command line - can pass defines?

问题描述

有一种方法可以转换这样的东西：

Is there a way to convert something like this:

#define ERROR_LOG_LEVEL 5

通过命令行将msbuild传递给它的项目？

Into something that msbuild via command line will pass to its projects?

msbuild.exe {???}ERROR_LOG_LEVEL=5 target

ve读取类似问题的答案，它看起来像是没有，只是想检查一下天才是否找到了解决方法。

I've read the responses to similar questions, and it looks like the answer is no, just want to double-check in case some genius has found a workaround.

推荐答案

宏可以通过传递 / D 选项给编译器。您可以使用 ClCompile 的 AdditionalOptions 指定MSBuild中的 / D $ c>：

Macros may be defined by passing the /D option to the compiler. You can specify the /D option from MSBuild using the AdditionalOptions of ClCompile:

<ItemDefinitionGroup>
    <ClCompile>
        <AdditionalOptions>/DERROR_LOG_LEVEL=5 %(AdditionalOptions)</AdditionalOptions>
    </ClCompile>
</ItemDefinitionGroup>

如果要通过调用msbuild.exe传递宏的值，你也可以很容易地做到：

If you want to be able to pass the value for the macro via a call to msbuild.exe, you can easily do that too:

<ItemDefinitionGroup Condition="'$(ErrorLogLevel)' != ''">
    <ClCompile>
        <AdditionalOptions>/DERROR_LOG_LEVEL=$(ErrorLogLevel) %(AdditionalOptions)</AdditionalOptions>
    </ClCompile>
</ItemDefinitionGroup>

：

msbuild /p:ErrorLogLevel=5 MyProject.vcxproj

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