Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Peeve - finding kernel config options
Date: Wed, 26 Feb 2014 20:06:01
Message-Id: 20140226200545.6b020164@digimed.co.uk
In Reply to: [gentoo-user] Peeve - finding kernel config options by Tanstaafl
1 On Wed, 26 Feb 2014 14:58:44 -0500, Tanstaafl wrote:
2
3 > Given the most recent gentoo news item:
4 >
5 > > # eselect news read 10
6 > > 2014-02-25-udev-upgrade
7 > > Title Upgrade to >=sys-fs/udev-210
8 > > Author Samuli Suominen <ssuominen@g.o>
9 > > Posted 2014-02-25
10 > > Revision 1
11 > >
12 > > The options CONFIG_FHANDLE and CONFIG_NET are now required in the
13 > > kernel.
14 >
15 > Whenever kernel config options are provided like this, it would be nice
16 > if time was taken to provide the path to where they are found.
17 >
18 > I had to find the first one (CONFIG_FHANDLE) by:
19 >
20 > 1. grepping .config, seeing it wasn't enabled,
21 > 2. running make menuconfig and searching for 'FHANDLE',
22 > 3. seeing it is located in 'General setup',
23 > 4. scouring the General setup options, finding no 'FHANLDE' anywhere,
24 > 5. finding something in all lowercase named 'open by fhanlde syscalls',
25 > 6. enabling this option, saving the modified config,
26 > 7. confirming it is now enabled by grepping .config again
27
28 Run make menuconfig
29 Press /
30 Type FHANDLE
31
32 Then you can see it is enabled by switching on systemd support in the
33 Gentoo specific options.
34
35
36 --
37 Neil Bothwick
38
39 WinErr 014: Keyboard locked - Try anything you can think of.

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