On 12/02/2015 08:38 AM, Anthony G. Basile wrote: > On 12/2/15 2:06 AM, Michał Górny wrote: >> So you're saying we should write a whole eclass to do: >> >> append-cppflags -std=c++11 >> >> ? >> > I think you mean append-cxxflags. Anyhow, I had an off list discussion > with David Klaftenegger about the semantic difference between c++11 and > 98 with respect to their atomics and I'm convinced that a global > -std=c++11 could get us into trouble on packages that make use of > threading. So drop my idea of global c++11 and you'll have to catch > these on a per package basis. > Could we use something along the lines of a use_expand'ed variable?
CXX_ABI="03" ==> DEPEND="dev-libs/boost[cxx_abi_03]" Would need some CFLAGS injection, but like this any C++ packages can be forced to 'same' ABI in a more reasonable fashion, and it wouldn't require global overrides.
