[cfe-dev] find out which C++ standard version was selected on the command line

[David Blaikie via cfe-dev]

The __cplusplus preprocessor macro can be used to detect which C++ standard
is in use ( see: https://en.cppreference.com/w/cpp/preprocessor/replace and
https://renenyffenegger.ch/notes/development/languages/C-C-plus-plus/preprocessor/macros/predefined/__cplusplus
)

On Fri, Jan 24, 2020 at 5:38 PM Jerry Scharf via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> We want to make some code that can look at which c++ standard was
> specified on the command line. Our looking didn't seem to show a
> predefined value for this. Where is this defined?
>
> tia,
>
> jerry
>
>
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