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- What is the value of __cplusplus for C++17? - Stack Overflow
Microsoft's VC++ and SunCC come to mind I've found __cplusplus is a better test because it paints with a broad brush I can then one-off the compilers that do their own thing, which is usually VC++ tl;dr: For C++17, __cplusplus is 201703L What is the value of __cplusplus when using C++17?
- Zc:__cplusplus (Enable updated __cplusplus macro) | Microsoft Learn
The Zc:__cplusplus compiler option enables the __cplusplus preprocessor macro to report an updated value for recent C++ language standards support By default, Visual Studio always returns the value 199711L for the __cplusplus preprocessor macro
- Macro __cplusplus | hacking C++
Overview of the standard values for the __cplusplus macro that can be used to detect the ISO C++ standard supported by the current compiler configuration
- Unable to use newer C++ standards : r Cplusplus - Reddit
Hi, I have a program which prints the value of __cplusplus macro The program always displays 201703L, indicating C++17 even if I use this command in the terminal: I checked my g++ version in cmd, and it is 11 2 0 That means my compiler supports newer standards like c++20 and c++23, no?
- Compiler C++ Version Defaults · GitHub
If you are compiling with Visual Studio 2015 Update 3 or newer (MSVC), you can use the _MSVC_LANG pre-defined macro It has value of 201402L or 201703L or 202002L when compiling in C++14 or C++17 or C++20 mode Beware, selecting C++20 mode in Visual Studio doesn't necessary mean enabling all C++20 features as described in the Standard
- How to get the version of C++. It’s easy how to get the current… | by . . .
In case of Clang, you can pass one of the values “c++14”, “c++17” and “c++20” to the “-std=” But “c++98”, “c++03”, “c++11” are not supported For experimental features, you can pass “c++2a”, but the result is the same of the latest stable version (currently c++20) Here is how to compile with unsupported arguments:
- What does the __cplusplus macro expand to? - Stack Overflow
Yes, even in oldest C++ implementation (expands to a numeric value) No, #ifdef should be used when header is shared with C-language (because some C-compilers will warn when #if checks undefined macro)
- MSVC now correctly reports __cplusplus - C++ Team Blog
And the std:c++latest switch, used to enable features from the Standard currently in development, sets a value that is more than the current Standard This chart shows the values of the __cplusplus macro with different switch combinations:
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