# Wunused-variable

Determines whether a warning is issued if a local or non-constant static variable is unused after being declared.

## Syntax

Linux: | -Wunused-variable -Wno-unused-variable

macOS: | -Wunused-variable -Wno-unused-variable

Windows: | None

## Arguments

None

## Default

-Wno-unused-variable | No warning is issued if a local or non-constant static variable is unused after being declared.

## Description

This option determines whether a warning is issued if a local or non-constant static variable is unused after being declared.

## IDE Equivalent

None

## Alternate Options

None

Parent topic: Compiler Diagnostic Options