[gentoo-user] default compile options / USE flags?

[Jarry <jarry@gmx.net>]

Hi,

I would like to find how a certain package would be compiled
(with which USE-flags) if I did not have any USE-flags in
/etc/make.conf, and empty /etc/portage/package.use

Up to now I'm using this procedure:
- comment USE-line in /etc/make.conf out,
- rename /etc/portage/package.use to some other name,
- run "emerge --pretend --verbose <package>"
- check output (that is what I am interested in)
- and restore make.conf and package.use

But is there some other, probably cleaner solution?
And what is the meaning of colors (some are blue,
some red, some yellow, etc.) used for USE-flags
in output?

Jarry

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