List Archive: gentoo-dev
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On Sat, Oct 8, 2011 at 6:57 PM, James Cloos <cloos@...> wrote:
>>>>>> "SV" == Sven Vermeulen <firstname.lastname@example.org> writes:
> SV> - Since 3.4.0/4.1.0, the C++ ABI is forward-compatible, so rebuilds
> SV> from that version onwards should not be needed
> That is not generally true.
> I use gcc-4.5 as my system gcc, but mostly use 4.6 when building things
> outside of portage. I still run into compilation errors with C++ which
> go away if I compile said code with 4.5.
> GCC’s C++ abi is only *mostly* forwards compatible, not *entirely*.
Is that a problem with the ABI, or just that gcc-4.6 is more strict? I
think it's the latter.