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Subject: Re: [boost] [config] request for BOOST_NO_CXX11_HDR_ATOMIC
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2012-06-30 05:20:17

On Saturday 30 June 2012 11:04:34 Tim Blechmann wrote:
> >> preparing boost.lockfree for trunk, i need a good way to figure out if
> >> the <atomic> header is available. would it be possible to add a macro to
> >> detect that? BOOST_NO_CXX11_HDR_ATOMIC or the like?
> >>
> >> thanks, tim
> >
> > FYI, gcc 4.4 has <cstdatomic> instead of <atomic> with the same contents.
> > I
> > don't know about other compilers, maybe there are other similar cases. So
> > we may be better have <boost/atomic.hpp> which defines the macro or
> > includes the appropriate compiler header otherwise. Or perhaps this is
> > the Boost.Atomic job.
> one point is to have an <atomic> header, the second point is an
> compliant implementation of atomic<>. gcc did not support atomic<> for
> structs before 4.7 :/

I guess, it means we need another macro then.

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