Which GCC version supports C++20?

Which GCC Version Supports C++20?

The C++20 standard was released in 2020, introducing several new features and improvements to the language. If you’re wondering which GCC version supports C++20, you’re in the right place. In this article, we’ll explore the answer to this question and provide some additional information about the C++20 standard.

Direct Answer

The direct answer to the question is that GCC 8 supports C++20. To enable C++20 support, you can use the -std=c++20 command-line option when compiling your code.

Additional Information

Here are some additional details about the C++20 standard and GCC:

What is C++20?

C++20 is the latest version of the C++ programming language standard, released in 2020. It introduces several new features and improvements to the language, including:

• Modules: A new way to organize and include code in C++ programs.
• Concepts: A way to specify the requirements for a type or function.
• Ranges: A way to work with sequences of values in a more concise and expressive way.
• Coroutines: A way to write asynchronous code that’s easier to read and maintain.

GCC Support for C++20

As mentioned earlier, GCC 8 supports C++20. However, it’s worth noting that earlier versions of GCC may not support all the features of C++20. Here’s a table summarizing the C++20 support in different versions of GCC:

Enabling C++20 Support in GCC

To enable C++20 support in GCC, you can use the -std=c++20 command-line option when compiling your code. For example:

gcc -std=c++20 myprogram.cpp -o myprogram

This will compile your myprogram.cpp file using the C++20 standard.

Conclusion

In conclusion, GCC 8 and later versions support C++20. If you’re looking to use the latest features of C++20, you should use GCC 8 or later. Additionally, you can enable C++20 support by using the -std=c++20 command-line option when compiling your code.