[Interest] [SOLVED] Re: Compiling Programs with C++11 with Qt5, which was compiled without C++11 flag. Possible?

[Joseph Crowell]

One of the reasons that I avoid single letter variable names like the 
plague. (except int i; in for loops) :D

On 8/15/2013 6:15 PM, Guido Seifert wrote:
> You are great. On the spot with your error analysis. (This is a general response to all, who helped brainstorming) :-)
> I just found this on SO:
>
>> Yay, someone (JKSH) found what the problem was on Qt Project forums (here).
>> In short: The problem was that I had written somewhere #define I complex(0.0, 1.0),
>> which created a name clash in qobjectdefs_impl.h (where complex was a typedef for
>> std::complex<double>). For some (weird) reason that didn’t cause any problems as long
>> as I didn’t write CONFIG = c+11 in the pro file, but not it did after writing it.
> Guido
>
>
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