Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Networkmanager and gnome-3.6 (negating a default USE)
Date: Tue, 16 Jul 2013 14:28:51
Message-Id: 20130716152840.64cfdfd7@hactar.digimed.co.uk
In Reply to: [gentoo-user] Networkmanager and gnome-3.6 (negating a default USE) by gottlieb@nyu.edu
1 On Tue, 16 Jul 2013 09:49:42 -0400, gottlieb@×××.edu wrote:
2
3 > nome-control-center-3.6.3-r1.ebuild contains
4 >
5 > IUSE="+bluetooth +colord +cups +gnome-online-accounts +i18n
6 > input_devices_wacom kerberos +networkmanager +socialweb systemd v4l"
7 >
8 > and
9 >
10 > COMMON_DEPEND="
11 > ...
12 > networkmanager? (
13 > >=gnome-extra/nm-applet-0.9.1.90
14 > >=net-misc/networkmanager-0.8.997 )
15 >
16 > I believe the first says that "if the networkmanager use flag is neither
17 > set nor unset, treat it as set" and the second says
18 > "if the use flag is set (or treated as set), require
19 > net-misc/networkmanager".
20
21 That's correct. The + just means it defaults to on, instead of the usual
22 off default for USE flags.
23
24 > I don't see how to have the flag "unset" since its default is "set".
25 > For example, editing make.conf to add
26 >
27 > USE="-networkmanager"
28 >
29 > (I had no USE in make.conf previously) has no effect
30
31 That should do exactly what you want, although you can do it
32 in /etc/portage/package.use too (although that makes no sense in this
33 case as the decision on which network manager to use must be global).
34
35 Are you sure that you have spelled the USE flag correctly, that one has
36 wasted significant chunks of my life before now 9and will probably do so
37 again in the future).
38
39 > since networkmanager was not in USE before.
40
41 This is irrelevant. No USE flags are in make.conf until you put them
42 there.
43
44
45 --
46 Neil Bothwick
47
48 In the begining, there was nothing.
49 And God said "Let there be light" and there was light.
50 There was still nothing, but you could see it better.

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