Ready for 2.3.10?

Ken Murchison murch at andrew.cmu.edu
Fri Oct 5 16:11:54 EDT 2007


David Carter wrote:
> On Fri, 5 Oct 2007, Ken Murchison wrote:
> 
>> I spent a lot of time cleaning things up so that the number of 
>> warnings from 'gcc -W -Wall' are minimal.  The one that has me baffled 
>> is this:
>>
>> warning: type-punning to incomplete type might break strict-aliasing 
>> rules
> 
> I only see this with GCC 4.1.0 if -fstrict-aliasing or -O2 is set.

Apparently -Wall sets -fstrict-aliasing implicitly.


> The GCC man page explains -fstrict-aliasing. I also found the following:
> 
>    http://en.wikipedia.org/wiki/Type_punning

Thanks.  I'll see if I can find a way to squash these.

-- 
Kenneth Murchison
Systems Programmer
Project Cyrus Developer/Maintainer
Carnegie Mellon University


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