Possible regression in i386 build with gcc 4.6

[Shane Ambler]

On 07/10/2012 03:24, Tijl Coosemans wrote:

> The __sync built-ins exist in both base and ports gcc, but
> __sync_fetch_and_add_8 needs at least -march=i586.
>

OK I get the bit that I missed here - the tests for gcc atomics was 
outdated and I need to change that as well as set the arch :-)

But that does leave the tbb alternative built with gcc42 runs but not 
the gcc46 version. That should fall to the gcc maintainer?