Re: [Evolution-hackers] gcc 4.4 may be causing a number of bugs in Evolution

[Matthew Barnes <mbarnes redhat com>]

On Tue, 2010-02-02 at 15:00 -0500, Paul Smith wrote:
> On Tue, 2010-02-02 at 14:30 -0500, Jeffrey Stedfast wrote:
> > If you want to get warnings about the aliasing stuff, it seems that
> > -Wstrict-aliasing=2 is the one you want.
> 
> Yep, as Jeff points out GCC does provide warnings; in fact, -Wall
> already includes -Wstrict-aliasing=3 which is the least aggressive
> level.  Note this is another of those warnings (like variables used
> before initialized) which only can be seen when you build with
> optimization on.
> 
> You should check the GCC docs for details before choosing a particular
> value.  The problem is that these warnings can be false positives,
> that's why there are different levels of aggressiveness.

Ah, good, thank you both.

I'll see what the different levels produce and maybe file some cleanup
bugs about it.

Matthew Barnes