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 14:10:54

On Jun 20, 2012, at 11:05 AM, Marshall Clow wrote:
> 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++" 

I forgot to credit Howard Hinnant, who did some (most?) of the investigation here.
Shame on me.

-- Marshall

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

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