> > For C++, the matter is more complicated; the gcc project has not > > wanted to commit to a stable ABI until they had a test suite > > validating that the ABI was conformant to standard ABI specs. What > > I've heard is that they have that now and once we upgrade to latest > > gcc the ABI will not change again. > > Is this true of RedHat 9's version of gcc, or of gcc 3.3 when it becomes > the version in RedHat? AFAIK GCC 3.3 most likely will be binary compatible with 3.2 and the ABI changes will happen in 3.4. Jakub