Re: [boost] [config] std::unique_ptr, std::ref detection?

Subject: Re: [boost] [config] std::unique_ptr, std::ref detection?
From: John Maddock (boost.regex_at_[hidden])
Date: 2012-02-28 14:34:38

> Suppose I want to implement a shared_ptr constructor taking 
> std::unique_ptr. To avoid breaking pre-C++11 compilers, I need to, at 
> least, know whether <memory> contains std::unique_ptr. (I'd also like to 
> know if there's std::ref in <functional> because the specification of the 
> constructor uses it.) But the config library doesn't seem to provide a 
> way. There's no macro for std::unique_ptr, and there's no macro for 
> "generic C++11 compiler and library".

I'd prefer not to get too fine grained about this if possible, but are these 
the only additions to those headers?  If so how about BOOST_NO_0X_HDR_MEMORY 
and BOOST_NO_0X_HDR_FUNCTIONAL which would mirror the existing macros fairly 
closely?

John.