Hi,

I'd like to check if g++ has been invoked with the
-std=c++0x command line option.

I could only find the preprocessor variable
__GXX_EXPERIMENTAL_CXX0X__

But some time - the C++0x standard gets accepted today - it won't be
experimental any longer.
So, is there a (long term) possibility to check if g++ (or even better 
any c++ compiler) supports the new standard?

Many thanks for a hint,
Helmut.
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