Re: -Wall

[Mike Frysinger <vapier@gentoo.org>]

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On 19 Jan 2024 13:55, Corinna Vinschen wrote:
> if you saw my today's pushes, you're aware that I only found a bug
> because I used -Wall.  I fixed the bug and a few less crucial warnings.
> 
> I did NOT fix the warnings in code we took verbatim from some BSDs,
> which often contain unused variables, or in some cases expressions which
> are deemed to profit from extra paranthesis, e. g.
> 
>   if (a >= 0 ^ b == 0)
> 
> For that reason, I'd like to suggest to add -Wall by default to the
> build flags for newlib, just as it is already for ages in the Cygwin
> tree.
> 
> Anybody having a strong opinion, pro or contra?

enabling -Wall by default sounds fine.  if you wanted to include any -Werror,
that would require more effort/tooling like putting it all behind a new flag
like --enable-werror.
-mike

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