On 11/12/2013 10:33, Yucong Sun wrote:
> I've tried on both 32bit and 64bit clean cygwin install, the result is
> same. Something is wrong with cygwin's gcc.
> 
> my configure script by default uses g++ --std=c++11, this still have
> problem of " no snprintf " , after I replace all snprintf() with
> sprintf() , I've met the same linkage problem again.
> 

Something else is very wrong.

> g++ --std=gnu++0x "fixes" the snprintf problem, but it still have same
> linkage problem.
> 

Please make a minimalist case, I've tried some basic C++11 features but
I don't get such errors.