Re: [boost] C++11 variant of the gcc toolset?

Subject: Re: [boost] C++11 variant of the gcc toolset?
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2013-12-19 06:11:22

On Thu, Dec 19, 2013 at 2:46 PM, Peter Dimov <lists_at_[hidden]> wrote:
> Peter Dimov wrote:
>>
>> Steven Watanabe wrote:
>>
>> > import feature ;
>> > feature.feature cxx11 : on : optional composite propagated ;
>> > feature.compose <cxx11>on : <toolset>gcc:<cxxflags>-std=c++11 ;
>>
>> Thanks Steven. Putting this in my user-config.jam works in that it creates
>> the feature and allows me to use it, but it doesn't actually seem to pass
>> -std=c++11 to the compiler.
>
>
> In this thread:
>
> http://boost.2283326.n4.nabble.com/Building-OpenMP-targets-td4650306.html
>
> it's claimed that feature.compose doesn't parse its second argument
> properly, which is why the above doesn't work, although it's supposed to.
>
> This, however, works:
>
> import feature ;
> import toolset ;
>
> using gcc ;
>
> feature.subfeature toolset gcc : std : cxx11 : optional composite propagated
> ;
> feature.compose <toolset-gcc:std>cxx11 : <cxxflags>-std=c++11 ;
>
> and is actually better for my needs, because it supports building for both
> C++03 and C++11 at once:
>
> b2 toolset=gcc,gcc-cxx11

Just wanted to ask if this could be added to the official Boost.Build
code. Ideally, the produced binaries should also be mangled with the
C++ version. I suppose, the new toolset name does that already?