Code review comment for lp:~alan-griffiths/mir/fix-1475994-g++-5

> > ERROR: Throw location unknown (consider using BOOST_THROW_EXCEPTION)
> > Dynamic exception type: N5boost16exception_detail10clone_implINS0_19error_in
> fo_injectorINS_6system12system_errorEEEEE
> > std::exception::what: bind: No such file or directory
>
> Yikes!
>
> Looks like we have two sets of boost RTTI in the address space. (Presumably
> somewhere we're loading both 4.9 and 5.0 versions.)

Thinko: we're not building with 5.0