From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id DE927138482 for ; Mon, 14 Jan 2013 12:34:05 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id ED70E21C108; Mon, 14 Jan 2013 12:33:52 +0000 (UTC) Received: from mail-gh0-f176.google.com (mail-gh0-f176.google.com [209.85.160.176]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 5677F21C0D6 for ; Mon, 14 Jan 2013 12:33:51 +0000 (UTC) Received: by mail-gh0-f176.google.com with SMTP id g10so223616ghb.35 for ; Mon, 14 Jan 2013 04:33:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:message-id:date:from:user-agent:mime-version:to:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; bh=2+KYtmidYig2sBPh9YvdpqfN/nVw2fynOTPSxvumBWQ=; b=vfNBwvrAaGmhEOQv2CdA1BS6h/EiGzFp9Lnf9hN3ibKYU12jMxjPV/iTCXx2QZFXXg SwgKGTiSd4TA5Lk52f5uhXl+z5dkC86uo7R52AClQkware96pCJ3VFgD03KEoqBMRKvO TYuuSyrnYfXoJKPgPkCkynV9j0IeTv9egy2om1ZTJxdNTpegpxJ6Wwl5w97oBU4admhm NpNk7iNx2KEX6bfWibztHBjLdSULRBR/Mhlka2EiNNsSCXLVOolAHi+FHEIk9IJGI5V/ mw2ryYMnM/f2pURs63wSflLvsPja8PV5Rt1DMhdsAeptQSKexDF6mTb8DFJjEwwvJYCR 2fLg== X-Received: by 10.101.73.2 with SMTP id a2mr27427793anl.82.1358166830422; Mon, 14 Jan 2013 04:33:50 -0800 (PST) Received: from [192.168.2.5] (adsl-65-0-94-18.jan.bellsouth.net. [65.0.94.18]) by mx.google.com with ESMTPS id a9sm11118337anb.6.2013.01.14.04.33.48 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Jan 2013 04:33:49 -0800 (PST) Message-ID: <50F3FB2B.5090001@gmail.com> Date: Mon, 14 Jan 2013 06:33:47 -0600 From: Dale User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:18.0) Gecko/20100101 Firefox/18.0 SeaMonkey/2.15 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Too terse error message from emerge. References: <20130114111852.GA3274@acm.acm> <20130114113434.GA28090@dethkomp> <20130114121059.GB3274@acm.acm> <6a7cf90d-1862-4b8d-9895-e438cb3cbb72@email.android.com> In-Reply-To: <6a7cf90d-1862-4b8d-9895-e438cb3cbb72@email.android.com> X-Enigmail-Version: 1.5 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Archives-Salt: d9c22cdd-6603-4a3d-9e9f-4e5267c604bf X-Archives-Hash: 08682f8c10b4fbd148fb9cfb421a7cc3 J. Roeleveld wrote: > Alan Mackenzie wrote: > >> On Mon, Jan 14, 2013 at 05:04:35PM +0530, Yohan Pereira wrote: >>> On 14/01/13 at 11:18am, Alan Mackenzie wrote: >>>> Hi, Gentoo. >>>> Would somebody please help me with this error message, which arose >> from >>>> # emerge -puND world >>>> : >>>> These are the packages that would be merged, in order: >>>> Calculating dependencies \ >>>> !!! Problem resolving dependencies for media-gfx/sane-backends from >> @selected >>>> ... done! >>>> !!! The ebuild selected to satisfy "media-gfx/sane-backends" has >> unmet requirements. >>>> - media-gfx/sane-backends-1.0.23::gentoo USE="ipv6 (multilib) usb >> -avahi -doc -gphoto2 -threads -v4l -xinetd" SANE_BACKENDS="abaton >> agfafocus apple artec artec_eplus48u as6e avision bh canon canon630u >> canon_dr canon_pp cardscan coolscan coolscan2 coolscan3 dc210 dc240 >> dc25 dell1600n_net dmc epjitsu epson epson2 fujitsu genesys gt68xx hp >> hp3500 hp3900 hp4200 hp5400 hp5590 hpljm1005 hpsj5s hs2p (ibm) kodak >> kodakaio kvs1025 kvs20xx kvs40xx leo lexmark ma1509 magicolor >> matsushita microtek microtek2 mustek mustek_pp mustek_usb mustek_usb2 >> nec net niash p5 pie pixma plustek plustek_pp qcam ricoh rts8891 s9036 >> sceptre sharp sm3600 sm3840 snapscan sp15c st400 stv680 tamarack teco1 >> teco2 teco3 test u12 umax umax1220u umax_pp xerox_mfp -pnm" >> >>>> The following REQUIRED_USE flag constraints are unsatisfied: >> <============================================= >>>> sane_backends_mustek_usb2? ( threads ) sane_backends_kvs40xx? ( >> threads ) >> >>>> (dependency required by "@selected" [set]) >>>> (dependency required by "@world" [argument]) >> ######################################################################## >> >>>> I'm mystified as to what a "REQUIRED_USE flag constraint" is. What >> is >>>> the significance of "sane_backends_mustek_usb2"? It would appear >> not to >>>> be a use flag. What is the significance of "( threads )"? >>> Bassicly its emerge is telling you that if you have >>> sane_backends_mustek_usb2 enabled you also need to enable threads and >>> similarly if you have sane_backends_kvs40xx enabled you need to >> enable >>> threads. So in your case you need to enable threads or disable those >> 2 >>> backends. >> Ah, it looks so obvious now. ;-) Thanks! >> >> Another question - is there any sensible way of cutting the unnecessary >> stuff out of SANE_BACKENDS? That variable is set in the ebuild, and it >> doesn't feel the Right Thing to edit the ebuild file. >> >>> -- >>> - Yohan Pereira > Set it in 'make.conf'. > > -- > Joost If you are like me and not sure what to search for, this is a example: SANE_BACKENDS="avision" You would almost certainly need to replace that avision. I found a used scanner only to find out why they didn't want it either, it was broke. lol If you do a emerge -vp , it should show you the available options. You could google for them to but emerge could be faster. Hope that helps. Dale :-) :-) -- I am only responsible for what I said ... Not for what you understood or how you interpreted my words!