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IAR Embedded Workbench for Arm 9.70.x

-U

In this section:
Syntax
-Usymbol 
Parameters

symbol

The predefined symbol to be undefined.

Description

By default, the assembler provides certain predefined symbols.

Use this option to undefine such a predefined symbol to make its name available for your own use through a subsequent -D option or source definition.

Example

To use the name of the predefined symbol __TIME__ for your own purposes, you could undefine it with:

iasmarm prog -U__TIME__ 
See also

Predefined symbols.

Caution

This option is not available in the IDE.