it turns out the bug is in libstdc++5-3.3-dev. /usr/lib/gcc-lib/i486-linux/3.3.4/libstdc++.so incorrectly points to ../../../i386-linux/libstdc++.so.5 instead of ../../../libstdc++.so.5
--alex-- -- | I believe the moment is at hand when, by a paranoiac and active | | advance of the mind, it will be possible (simultaneously with | | automatism and other passive states) to systematize confusion | | and thus to help to discredit completely the world of reality. |