std, Qstd

Syntax

Linux:

-std=val

Windows:

/Qstd:val

/std:val (For Microsoft* compatibility)

val

Specifies the specific language standard to conform to.

The following values apply to Linux* -std and Windows* /Qstd:

c++2b	Enables support for the Working Draft for ISO C++ 2023 DIS standard.
c++20	Enables support for the 2020 ISO C++ DIS standard.
c++17	Enables support for the 2017 ISO C++ standard with amendments.
c++14	Enables support for the 2014 ISO C++ standard with amendments.
c++11	Enables support for the 2011 ISO C++ standard with amendments.
c++98 and c++03	Enables support for the 1998 ISO C++ standard with amendments.
c2x	Enables support for the Working Draft for ISO C2x standard.
c18 and c17	Enables support for the 2017 ISO C standard. Support for c17 can also be enabled by value iso9899:2017. Support for c18 can also be enabled by value iso9899:2018.
c11	Enables support for the 2011 ISO C standard. Support for this standard can also be enabled by value iso9899:2011.
c99	Enables support for the 1999 ISO C standard. Support for this standard can also be enabled by value iso9899:1999.
c90 and c89	Enables support for the 1990 ISO C standard. Support for this standard can also be enabled by value iso9899:1990.

The following values apply only to Linux -std:

gnu++2b	Enables support for the Working Draft for ISO C++ 2023 DIS standard plus GNU extensions.
gnu++20	Enables support for the 2020 ISO C++ DIS standard plus GNU extensions.
gnu++17	Enables support for the 2017 ISO C++ standard with amendments plus GNU extensions.
gnu++14	Enables support for the 2014 ISO C++ standard with amendments plus GNU extensions.
gnu++11	Enables support for the 2011 ISO C++ standard with amendments plus GNU extensions.
gnu++98 and gnu++03	Enables support for the 1998 ISO C++ standard with amendments plus GNU extensions.
gnu2x	Enables support for the Working Draft for ISO C2x standard plus GNU extensions.
gnu18 and gnu17	Enables support for the 2017 ISO C standard plus GNU extensions.
gnu11	Enables support for the 2011 ISO C standard plus GNU extensions.
gnu99	Enables support for the 1999 ISO C standard plus GNU extensions.
gnu90 and gnu89	Enables support for the 1990 ISO C standard plus GNU extensions.

For possible values for Microsoft*-compatible Windows* /std, see the Microsoft* documentation.

Default for Windows option /Qstd: OFF	The compiler does not conform to a specific language standard.
Default for Windows option /std: c++14	Currently, the compiler conforms to the 2014 ISO C++ standard. For the latest information, see the Microsoft* documentation.
Default for Linux option -std on dpcpp: c++17	The compiler conforms to the 2017 ISO C++ standard.
Default for Linux option -std on icx: c++14	The compiler conforms to the 2014 ISO C++ standard.

This option tells the compiler to conform to a specific language standard.

Visual Studio: Language > C/C++ Language Support

Eclipse: Language > ANSI Conformance

None