Gentoo Archives: gentoo-user

From: Frank Steinmetzger <Warp_7@×××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Switching off a long list of USE flags
Date: Thu, 19 Sep 2013 15:31:14
Message-Id: 20130919153103.GA10441@nukleus.lan
In Reply to: Re: [gentoo-user] Switching off a long list of USE flags by Yohan Pereira
1 On Thu, Sep 19, 2013 at 07:58:05PM +0530, Yohan Pereira wrote:
2
3 > > I would like to build sane-backend only for one specific scanner.
4 > >
5 > > However, there are a huge lot of different USE flags for other scanners
6 > > that are already switched on by default.
7 > >
8 > > Is there any easy way to switch them off?
9 > > […]
10 > > ...instead of directly switching off every one of them.
11 >
12 > you can try
13 >
14 > media-gfx/sane-backends -* sane_backends_hp <other flags you need>
15
16 as eix tells you:
17
18 SANE_BACKENDS="+abaton +agfafocus +apple ..."
19
20 It’s not just use flags, but an expanding variable. So if you put
21 SANE_BACKENDS="your device here" into make conf, only the specified
22 driver will be built. It’s the same principle that goes with VIDEO_CARDS
23 and LINGUAS, for example.
24 --
25 Gruß | Greetings | Qapla’
26 Please do not share anything from, with or about me with any Facebook service.
27
28 The best secret of all: to be a genius and be the only one to know.

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