Development Reference Guides

Contents

std, Qstd

Tells the compiler to conform to a specific language standard.

Syntax

Linux:
-std=
val
Windows:
/Qstd:
val
/std:
val
(For Microsoft* compatibility)
Arguments
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
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.
Description
This option tells the compiler to conform to a specific language standard.
IDE Equivalent
Visual Studio:
Language > C/C++ Language Support
Eclipse:
Language > ANSI Conformance
Alternate Options
None

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.