Re: Bug or not? Order of compiler warning flags matters

[Bernd Strieder]

Hello,

Marcel Loose wrote:

> Compiling this with -Wall -W correctly produces the warning about the
> unused parameter `int i'.
> Adding the flag -Wno-unused-parameter suppresses this warning, but
> ONLY when it is added AFTER the -Wall switch.

See the docs. -Wall turns quite a number of warnings on, overriding
options you gave before. There are more warnings than -Wall would show,
this is what -W is for, which has been renamed to -Wextra in newer
releases, but this would not turn on all warnings, either.

Bernd Strieder