Re: [boost] [test] showtopper for release 1.49 - std::forward not found when compiling with clang 3.0 c++0x mode.

Subject: Re: [boost] [test] showtopper for release 1.49 - std::forward not found when compiling with clang 3.0 c++0x mode.
From: Vicente Botet (vicente.botet_at_[hidden])
Date: 2012-01-03 05:33:02

Michel MORIN wrote
> 
> Vicente J. Botet Escriba wrote:
>> I have added
>>
>> #include <utility>
>>
>> without success.
>>
>> I guess that the standard library doesn't provides this function even if
>> the
>> compiler provides rvalue references.
> 
> Right.
> This kind of problem happens when a C++03 standard library is used with
> a C++11 compiler. Though I'm not confident that it's worth supporting,
> it is pretty easy to support it, since we are free to implement our own
> `forward` function. For example, we can use `boost::forward` in
> boost/move/move.hpp.
> 
> 

Hi,

I don't know if we need to support this combination,but do you know why the
compiler is using the c++03 library when compiling on C++11 mode?

Vicente

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