It is intended that -Wall over-ride specific flags?

Andrew Pinski
Thu Aug 9 20:42:00 GMT 2012

On Thu, Aug 9, 2012 at 1:37 PM, Bruce Korb <> wrote:
> Hi,
> This command:
>    gcc -Wno-format-contains-nul -Wall -Werror

I think -Wall should over ride what comes before it.  This is
different from -O though.

Andrew Pinski

> falls over if a format string contains a nul byte.
> I think it should not.  There needs to be a way for
> collective warning options (e.g. "-Wall") to skip
> over anything set by a more specific option.
> ("format-contains-nul" being fairly specific.)
> If agreed, I'll supply some patch when I find that
> round tuit I misplaced.
> Thanks - Bruce

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