On Wed, Aug 06, 2014 at 11:04:14AM +0200, Richard Biener wrote:
> > - libstdc++ ABI changes (it is a significant user visible change,
> > if you rebuild everything, no extra effort is needed, but otherwise
> > if you want some C++ code built with older compilers work together
> > with code built with newer compilers, it might require source code
> > changes (the abi_tag attribute additions where needed and warning
> > suggest to put those at), at least that is my current understanding
> > of the plans
>
> But that's only with -std=c++11? Which had no compatibility
> guarantees before?
No, AFAIK it is also -std=c++98. At least my understanding was that
std::list and std::string are going to change ABI (and get new abi_tag)
in all C++ modes. Jonathan/Jason/Paolo, is that right?
Jakub
