设置CXX标准的不同方法
每当要在项目中设置C ++标准时,我通常会以这种方式使用:
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED On)
但是最近我遇到了一个建议,他们建议使用这种方式:
set_property(TARGET MyApp PROPERTY CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED On)
这两个之间有任何区别吗?
Whenever it comes to set C++ standard in a project I generally use this way:
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED On)
But recently I came across a recommendation where they suggest to use this way:
set_property(TARGET MyApp PROPERTY CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED On)
Is there any difference between these two?
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重读建议,我意识到我误解了信息。问题是我们使用以下方式:
为所有目标设置默认标准。但是,对于某些目标,我们可能希望用户使用不同的标准(例如,一个较新的标准),然后我们可以为此特定目标覆盖它:
感谢@tsyvarev指出了这一点。
Rereading the recommendation I realized that I misunderstood the message. The thing is that we use this:
To set a default standard for all targets. But with some targets we might want to user a different standard (a newer one for example) and then we can override it for this specific target as such:
Thanks to @Tsyvarev for pointing this out.