Johan Lundberg
2019-12-27 05:44:40
There's now a drop down (at least since VS 2017.3.5) where you can specifically select C++17. The available options are (under project > Properties > C/C++ > Language > C++ Language Standard)
- ISO C++14 Standard. msvc command line option:
/std:c++14 - ISO C++17 Standard. msvc command line option:
/std:c++17 - The latest draft standard. msvc command line option:
/std:c++latest
(I bet, once C++20 is out and more fully supported by Visual Studio it will be /std:c++20)
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The syntax
-std:c++14,-std:c++17and-std:c++latestalso works, e.g. when you prefer to manually enter compiler options (tested with VS2017).Is that not clear from the answer already, or do you specifically mean
-instead of the/std:switches I list?I see the benefit when coming from
gccorclang. Then the-is less intrusive (however the syntax still differs slightly (:instead of=)).@AndreiKrasutski. There is no ISO C++20 yet but some support in /std:c++latest. The C++20 standard is expected next year. I Edited in a comment in my answer.
What C++ standard is used if there is nothing selected in Visual Studio 2017 > Project Properties > C / C++ > Language > C++ Standard dropdown? I have 14, 17 and latest in the dropdown, but none is selected, so how do I find what c++ standard is used in a project in that case?