u (Windows*)

Undefines all previously defined preprocessor values.

IDE Equivalent

Windows: Preprocessor > Undefine All Preprocessor Definitions
Linux: None
Mac OS X: None

Architectures

IA-32 architecture, Intel® 64 architecture, IA-64 architecture

Syntax

Linux and Mac OS X: None
Windows:  /u

Arguments

None

Default

OFF Defined preprocessor values are in effect until they are undefined.

Description

This option undefines all previously defined preprocessor values.

To undefine specific preprocessor values, use the /U option.

Alternate Options

None

See Also

U compiler option