On 31 Jul 2008, at 19:50, Nicolas Sebrecht wrote:
...
Note the "emerge -e world" is not what we need here as it will leave
broken system packages (the system won't boot on the new processor).
The '-e' option looks for the USE flags only.
From `man emerge`
--emptytree (-e)
Reinstalls all world packages and their dependencies ...
(don't be confused by the next sentence. I am sure it just means to
say "uses the currently set USE flags").
...
--newuse (-N)
Tells emerge to include installed packages where USE
flags have
changed since compilation.
Stroller.