Package: libstdc++5 Version: 1:3.3.6-16 Severity: grave libstdc++5 is not installable, as it depends on gcc-3.3-base (>= 1:3.3.6-16) which has not been built, according to http://packages.qa.debian.org/g/gcc-3.3/news/20080329T183205Z.html.