I'd prefer to wait another replies on the list for the main theme of this e- mail, but this problem also affects C (so, as **c**flags and C standards), so solution shoudn't be c++ specific, imho.
- [gentoo-dev] [RFC] C++ standard in ebuilds Guilherme Amadio
- Re: [gentoo-dev] [RFC] C++ standard in ebui... Vadim A. Misbakh-Soloviov
- Re: [gentoo-dev] [RFC] C++ standard in ... Richard Yao
- Re: [gentoo-dev] [RFC] C++ standard... Guilherme Amadio
- Re: [gentoo-dev] [RFC] C++ standard in ebui... Matt Turner
- Re: [gentoo-dev] [RFC] C++ standard in ... Georg Rudoy
- Re: [gentoo-dev] [RFC] C++ standard in ... Guilherme Amadio
- Re: [gentoo-dev] [RFC] C++ standard... Dennis Schridde