Grant writes: > I just upgraded from gcc-4.4.3-r2 to gcc-4.4.4-r2 and I'm wondering if > I really need to rebuild everything as it says in the guide: > > http://www.gentoo.org/doc/en/gcc-upgrading.xml
The guide seems to be wrong here. Rebuilding does not harm, and it makes use of tall the cool new compiler optimizations, but normally it is not necessary. > If not, when is it necessary? Only when the API changes, which happened the last time when gcc went from 3.3 to 3.4, I think. Wonko