> Since the gcc 3.X change its ABI, does it means gcc 3.0 will not be > usable under BeOS R5. No. It will work fine if it's ported. You won't be able to link to c++ code compiled w/ old gcc, however. I didn't think that the beos kernel was compiled w/ gcc at all and even if it was, you can run things w/ gcc-3.2 on a kernel compiled w/ and earlier version. I'm doing it right now. Fred Ollinger