Emerge config file needs updating

Gentoo users know however that this process is extremely frustrating for power users that want to live on the bleeding edge.Even power users from other distributions probably share the same feelings, given the popularity and spread of tools like which make it possible to have quick and frequent updates.There are various reasons that a new profile may be created: the release of new versions of core packages (such as sys-apps/baselayout, sys-devel/gcc, or sys-libs/glibc) that are incompatible with previous versions, a change in the default USE flags or in the virtual mappings, or maybe a change in system-wide settings.If a new Gentoo release does not include a new profile then just pretend that it never happened.If this is the case, the system should first receive older Portage tree snapshots and upgrade at least Portage (but preferably all packages in the system set), gradually increasing the Portage tree snapshot date until it is recent enough to follow the profile switching instructions again: Older snapshots are often still available on some mirrors on the Internet or on specific locations dedicated for this purpose.

" There are various reasons: When a release includes new incompatible features, or provides a set of core packages and settings that deeply modify the behavior of the system, we say that it provides a new profile.

Here in Gentoo land, the concept of upgrading is quite different compared to the rest of the Linux world.

It is a well-known fact that Gentoo never got in touch with the "classic" way of upgrading software: waiting for a new release, downloading it, burning to a disk, putting it in the CD-ROM drive, and then following the upgrade instructions.

To upgrade such systems, a recent stage3 can be used to update the system.

Instructions for that are given in the Updating old systems section. For this to work, a Unicode locale for the system must be created.

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