On Saturday 08 October 2011 18:57:23 James Cloos wrote: > >>>>> "SV" == Sven Vermeulen <sw...@gentoo.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*.
i think you're hitting a bug that has nothing to do with the ABI compatibility. i.e. Bug 297685. -mike
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