Re: [gentoo-amd64] recommended USE flags

[J'raxis 270145]

At 2006-08-12T00:05:48+0000, <bigfish@××××××××××.org> wrote:

> Date: Fri, 11 Aug 2006 17:05:48 -0700
> From: Richard Fish <bigfish@××××××××××.org>
> Reply-to: gentoo-amd64@l.g.o
> Subject: Re: [gentoo-amd64] recommended USE flags
> To: gentoo-amd64@l.g.o
> Message-ID: <7573e9640608111705o35864357v8283ee9d0557efa3@××××××××××.com>
>
> On 8/11/06, Rafael Barrera Oro <rafael@××××××××××××××××.ar> wrote:
> >Hello people, i installed a Gentoo 2006.0 with a LiveCD and i noticed
> >make.conf is full of USE flags (a lot of em really) which every now and
> >then cause emerges to merge a lot of packages that i dont need, so i
> >wanted to ask if there is an advisable minimum set of flags that i could
> >use.
>
> I would recommend putting very few flags in make.conf, and making
> heavy use of /etc/portage/package.use.  In many cases, we add a flag
> to make.conf because we want functionality for a single package, and
> it ends up affecting other packages as well.  Those flags that do go
> in make.conf should truly have some global sense.
>
> A good plan for trimming: for each flag in make.conf, do "USE=-flag
> emerge -DNvp world".  If only one or two installed packages use that
> flag, move it it package.use.  You also get a chance to possibly
> rebuild some things without those flags to eliminate some
> dependancies.

You can also use equery to determine this, for example:

	# equery hasuse ldap

	[ Searching for USE flag ldap in all categories among: ]
	* installed packages
	[I--] [  ] app-admin/sudo-1.6.8_p9-r2 (0)
	[I--] [  ] net-proxy/squid-2.5.12-r1 (0)
	[I--] [  ] dev-libs/cyrus-sasl-2.1.21-r2 (2)
	[I--] [  ] dev-libs/apr-util-0.9.12 (0)
	[I--] [  ] net-fs/samba-3.0.22-r3 (0)
	[I--] [  ] net-dns/bind-9.3.2 (0)
	[I--] [  ] net-misc/openssh-4.3_p2-r1 (0)
	[I--] [  ] net-misc/curl-7.15.1-r1 (0)

(equery is part of app-portage/gentoolkit.)

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J'raxis 270145
http://www.jraxis.com/
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