[gentoo-user] USE flags, command line and packages.use

[Daniel da Veiga]

Hello list,

Sorry if this is a silly question and/or if there is no easy way to
fix the mess on my system, here is the problem: I installed
everything, configured some stuff and started building apps, the only
unstalbe package would be Xorg (because I need some drivers related to
unichrome), and almost all apps passed an "emerge -pv" in order to
check USE flags, the case is that I customized most of the packages,
modifying the default USE for them, but I did that at command line
(yeah, yeah, I know, don't tell me), now, is there some easy way to
put the CURRENT USE flags that the packages in world are using at
packages.use? I am afraid that an "emerge -u world" would download A
LOT of unnecessary stuff using the default USE for each package, and
causing a mess on my filesystem.

Thanks for any answer.

--
Daniel da Veiga
Computer Operator - RS - Brazil
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