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Re: RFC: -Wall by default


On 2012-04-05 11:55:45 +0100, Andrew Haley wrote:
> On 04/05/2012 11:50 AM, Vincent Lefevre wrote:
> > On 2012-04-04 20:01:27 +0100, Andrew Haley wrote:
> >> On 04/04/2012 07:11 PM, Gabriel Dos Reis wrote:
> >>> Really?  Such as what?
> >>
> >> Such as "I wrote a perfectly legal C program, and gcc spewed out
> >> a ton of messages."
> > 
> > What's a "legal C program"?
> 
> It's generally used to mean one that is fully defined by the
> specifications in effect, often some combination of POSIX and ISO C,
> with perhaps some vendor extensions.  Why do you ask?

Because: What if the specifications in effect say (as some vendor
extension) that some construct will generate some warning?

Note that warnings in general are not forbidden by ISO C, so that
there is nothing wrong as far as ISO C is concerned.

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)


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