libstdc++ c++98 & c++11 ABI incompatibility

[Jeff Law]

On 07/02/2012 11:53 AM, Paolo Carlini wrote:
>
> I also want to mention (I don't think somebody did already in the
> thread) that at some point, with Jason too, we discussed the idea of
> adding to each binary a marker about the ABI version which then would be
> used by the linker to warn or error out. This vague idea goes  of course
> well beyond our specific needs for the C++98 conforming std::list vs the
> C++11 conforming version of it.
Yup.  I've floated this idea as well.  Some kind of note section with 
abi information in it plus some linker magic to detect and error/warn 
when mixing/matching bits with different abis.

Jeff