I would try linking using the GCC 4 executables instead of 3.3.
AFAIK recent versions of Ubuntu 64-bit have dropped some of the 3.3 compatible 32-bit libraries.
Unless BMax is now defaulting to gcc/g++ instead of forcing 3.3 now (haven't tried lately.)
AFAIK recent versions of Ubuntu 64-bit have dropped some of the 3.3 compatible 32-bit libraries.
Unless BMax is now defaulting to gcc/g++ instead of forcing 3.3 now (haven't tried lately.)