From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1S0foh-0002E1-Eu for garchives@archives.gentoo.org; Thu, 23 Feb 2012 21:03:08 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id D1B8FE0FC7; Thu, 23 Feb 2012 21:02:38 +0000 (UTC) Received: from mail-ee0-f53.google.com (mail-ee0-f53.google.com [74.125.83.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 2717DE0F86 for ; Thu, 23 Feb 2012 21:00:29 +0000 (UTC) Received: by eeke51 with SMTP id e51so658502eek.40 for ; Thu, 23 Feb 2012 13:00:29 -0800 (PST) Received-SPF: pass (google.com: domain of emailgrant@gmail.com designates 10.14.200.196 as permitted sender) client-ip=10.14.200.196; Authentication-Results: mr.google.com; spf=pass (google.com: domain of emailgrant@gmail.com designates 10.14.200.196 as permitted sender) smtp.mail=emailgrant@gmail.com; dkim=pass header.i=emailgrant@gmail.com Received: from mr.google.com ([10.14.200.196]) by 10.14.200.196 with SMTP id z44mr1684486een.116.1330030829472 (num_hops = 1); Thu, 23 Feb 2012 13:00:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=XZQ4161JzxVlCIHRy5IaoxSLHEC7HHXoJxI1HN0SOdU=; b=OFSksx2YPqpkPPnWloCjzf8i7V6XM+q5RIHqf2WJRzPoa10aaejZN5QNryRuvwOdhT 3L9ujaIisYd7sCSEpGoXUn7GPVi8FwzsrW40/ta6ibotM/0J9VUhrpluS2wtF7ue/kK4 mzukjpkaToD/3WhJQhvhUCMknDnME5BW5IjQ8= 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 Received: by 10.14.200.196 with SMTP id z44mr1320045een.116.1330030829401; Thu, 23 Feb 2012 13:00:29 -0800 (PST) Received: by 10.213.113.148 with HTTP; Thu, 23 Feb 2012 13:00:29 -0800 (PST) In-Reply-To: <20120223203842.4bf471b2@digimed.co.uk> References: <20120223213900.67cce5ba@khamul.example.com> <20120223203842.4bf471b2@digimed.co.uk> Date: Thu, 23 Feb 2012 13:00:29 -0800 Message-ID: Subject: Re: [gentoo-user] gcc fails and then succeeds - definitely a problem? From: Grant To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: d5689e9f-b165-47a9-9142-61f2d5e02039 X-Archives-Hash: bf77f9861e9f0c185f3f9c53a2c96155 >> > Parallel builds are not deterministic so if the Makefile allows a race >> > condition to develop it's pot luck whether you'll be hit with it or >> > not >> >> I got sick of stuff like that so I run MAKEOPTS="-j1" on all of my >> systems. > > If it were a frequent occurrence, there may be some benefit in that. But > using only one of the CPUs 8 cores is such a waste when this sort of > thing happens only every few weeks. Usually trying again works, rarely > does using -j1 make a difference and when it does a bug report ensures > that it won't be an issue in future. OK you've inspired me to give it another try. So if I find a package that doesn't build with -jn where n > 1 but does build with -j1 I should file a bug? - Grant