This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: RFC: -Wall by default
On Sun, Apr 8, 2012 at 3:28 PM, Robert Dewar <dewar@adacore.com> wrote:
> On 4/8/2012 4:23 PM, Gabriel Dos Reis wrote:
>
>> I think I agree with this. ?I suspect the only difference might be that
>> I do not believe the fix is necessarily to turn them off.
>
>
> Well there are three possibilities
>
> a) fix the false positives, at the possible expense of introducing
> new false negatives, but most of these warnings are very far from
> sound anyway (they do not guarantee that code not raising the warning
> is free from the problem involved).
>
> b) remove from -Wstandard
>
> c) leave in -Wstandard and live with the false positives
>
> I am saying I prefer these alternatives in the order given above.
> I suspect you agree with this ordering?
Yes.
>
> I use -Wstandard here just as a label for whatever gets turned
> on by default if a change is made. Whether the new switch with
> this name is introduced is an orthogonal issue.
>
>>
>>> ?(certainly not an attitude that is
>>> taken with -Wall, if I am wrong, I have hundreds of bugs to
>>> report :-)) Yes, occasionally you get a case that you end up
>>> considering SO obscure that you violate this rule, but it is
>>> rare.
>>
>>
>> -Wall, despite the name, does not turn on all warnings.
>
>
> Yes, I know, what's that got to do with the comment above
>