From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gentoo-user+bounces-184703-garchives=archives.gentoo.org@lists.gentoo.org>
Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by finch.gentoo.org (Postfix) with ESMTPS id 8ECCB138334
	for <garchives@archives.gentoo.org>; Sun, 19 Aug 2018 15:49:27 +0000 (UTC)
Received: from pigeon.gentoo.org (localhost [127.0.0.1])
	by pigeon.gentoo.org (Postfix) with SMTP id A0A77E089F;
	Sun, 19 Aug 2018 15:49:20 +0000 (UTC)
Received: from blaine.gmane.org (unknown [195.159.176.226])
	(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
	(No client certificate requested)
	by pigeon.gentoo.org (Postfix) with ESMTPS id 20580E0895
	for <gentoo-user@lists.gentoo.org>; Sun, 19 Aug 2018 15:49:19 +0000 (UTC)
Received: from list by blaine.gmane.org with local (Exim 4.84_2)
	(envelope-from <lnx-gentoo-user@m.gmane.org>)
	id 1frPv0-0003Vp-0w
	for gentoo-user@lists.gentoo.org; Sun, 19 Aug 2018 17:47:06 +0200
X-Injected-Via-Gmane: http://gmane.org/
To: gentoo-user@lists.gentoo.org
From: Nikos Chantziaras <realnc@gmail.com>
Subject: [gentoo-user] Re: kdevelop broken (llvm slot issue)
Date: Sun, 19 Aug 2018 18:49:09 +0300
Message-ID: <plc3dj$cie$1@blaine.gmane.org>
References: <1789602.QsFXGFdZvD@prometheus>
Precedence: bulk
List-Post: <mailto:gentoo-user@lists.gentoo.org>
List-Help: <mailto:gentoo-user+help@lists.gentoo.org>
List-Unsubscribe: <mailto:gentoo-user+unsubscribe@lists.gentoo.org>
List-Subscribe: <mailto:gentoo-user+subscribe@lists.gentoo.org>
List-Id: Gentoo Linux mail <gentoo-user.gentoo.org>
X-BeenThere: gentoo-user@lists.gentoo.org
Reply-to: gentoo-user@lists.gentoo.org
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: usenet@blaine.gmane.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.9.1
In-Reply-To: <1789602.QsFXGFdZvD@prometheus>
Content-Language: en-US
X-Archives-Salt: 34591fd3-a42f-4808-94f8-4d27d8907c9b
X-Archives-Hash: 609e11e11cf200c235eb866f2a2b08e2

On 19/08/18 18:21, Alexander Puchmayr wrote:
> After recent upgrades of mesa, llvm, clang etc kdevelop does not work anymore.
> It crashes immediately after start with errors
> [...]
> 
> It seems as if multiple slots of llvm cause the problems. mesa pulls in llvm:
> 5, while other programs pull in llvm:6 (via clang:6)
> 
> Does anyone have an idea how to get a working kdevelop again?

Have you tried disabling the llvm USE flag of mesa? AFAIK it's only used 
for the software rendering backend, which you probably don't need. Try 
disabling it, and then do:

   emerge -auDN --changed-deps --with-bdeps=y @world

followed by:

   emerge -a --depclean

which should unmerge llvm:5.