Jarry schrieb: > Hi, > > today after syncing I found new version of GCC being available, > "emerge --pretend --update --deep --newuse world" shows: > > [ebuild NS ] sys-devel/gcc-4.3.2-r3 [4.1.2] USE="..." > > I found a "Gentoo GCC Upgrade Guide", but it deals with GCC 3.x, > or 3.x->4.x. Should I follow that guide when upgrading 4.x version > of GCC too? In a summary, the upgrade guide recommends this way: > > # emerge -uav gcc > # gcc-config x86_64-pc-linux-gnu-4.3.2-r3 > # env-update && source /etc/profile > # emerge --oneshot -av libtool > # emerge -eav system > # emerge -eav world > # emerge -aC =sys-devel/gcc-4.1.2 > > I'm asking just to be sure, because I have such a bad feeling, > that screwing up gcc upgrade might render my system unusable... > > Jarry > >
You don't need to follow this guide. Just emerge and you'll be fine. However, you might want to make adjustments to CFLAGS (especially when you have a newer CPU, there are new -march settings for your chip) and reemerge cpu-intensive programs and maybe important libraries like glibc to profit from the new features.
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