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

Syntax

Linux and 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

Para obter informações mais completas sobre otimizações do compilador, consulte nosso aviso de otimização.