Re: [Boost-build] Problems building Boost with clang toolchain and C++11

Subject: Re: [Boost-build] Problems building Boost with clang toolchain and C++11
From: Marshall Clow (mclow.lists_at_[hidden])
Date: 2012-06-20 14:05:54

On Jun 20, 2012, at 10:03 AM, Abe wrote:

> On Wed, Jun 20, 2012 at 5:19 AM, Jürgen Simon <juergen_simon_at_[hidden]> wrote:
> 
>> I'm required to compile Boost with clang on OSX and C++11 support. I have
>> used the following commands to  attempt a build:
> 
>> ./bootstrap.sh -toolchain=clang
>>  ./bjam toolset=clang cxxflags="-std=c++0x11stdlib=libc++" threading=multi
>> variant=release link=shared runtime-link=shared --layout=system
>> --without-mpi --without-python --universal install --prefix=/opt/local
> 
> 
> It looks like you have a typo:  "-std=c++0x11stdlib=libc++" should
> probably be either "-std=c++0x -stdlib=libc++" or "-std=c++11
> -stdlib=libc++", depending on compiler version.

Ok. I've looked into this a bit, and it appears to me that the problem is that the "-stdlib=libc++" is not getting passed to the linker, so it's trying to link with libstdc++.

This works for me:
        ../../../b2 toolset=clang cxxflags="-std=c++11 -stdlib=libc++" linkflags="-stdlib=libc++" 

-- Marshall

Marshall Clow     Idio Software   <mailto:mclow.lists_at_[hidden]>

A.D. 1517: Martin Luther nails his 95 Theses to the church door and is promptly moderated down to (-1, Flamebait).
        -- Yu Suzuki