>>>>> "SV" == Sven Vermeulen <[email protected]> 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*.

-JimC
-- 
James Cloos <[email protected]>         OpenPGP: 1024D/ED7DAEA6

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