Re: [Boost-users] undefined reference to `__sync_fetch_and_add_4'

Subject: Re: [Boost-users] undefined reference to `__sync_fetch_and_add_4'
From: Peter Dimov (pdimov_at_[hidden])
Date: 2009-04-24 13:01:42

Vladimir Prus:
> Peter Dimov wrote:

...

>> This could be caused by an issue we've identified recently of libstdc++
>> standard headers using __sync_fetch_and_add as part of their reference
>> counted implementation of std::string and std::locale.
> 
> Or probably by the fact that -m32 was not, in fact, passed to compiler
> when building boost.

The original post stated:

> I built boost 1.38 as so:
> 
> bjam architecture=x86 address-model=32 --stagedir=stage32
> --with-filesystem --with-thread --with-signals --with-serialization
> --with-system --with-program_options --with-date_time stage

so I assumed that address-model=32 does pass -m32 to g++.