u (Windows*)

Disables all predefined macros and assertions. This content is specific to C++; it does not apply to DPC++.

Syntax

Linux:

None

Windows:

/u

Arguments

None

Default

OFF

Defined preprocessor values are in effect until they are undefined.

Description

This option disables all predefined macros and assertions.

IDE Equivalent

Visual Studio: Preprocessor > Undefine All Preprocessor Definitions

Eclipse: None

Alternate Options

None

Parent topic: Preprocessor Options