On 5/3/2013 20:12, Ozkan Sezer wrote:
>>
>> You are right.  That patch affects gcc's own compilation only.  It
>> doesn't affects user-code.
>> Nevertheless for libstdc++-v3 uses - starting with 4.8 - by default
>> POSIX-printf due it relies badly on this behavior internally.
> 
> Even then, it affects libstdc++ compilation itself. IMO, mingw[-w64]
> should not default to __USE_MINGW_ANSI_STDIO=1 by itself and leave
> the decision to user (which is what we already do at present.)
> 

IIRC it is required if C++11 is used due to the presence of print templates.


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