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 1Q2Pc1-00066C-Bz for garchives@archives.gentoo.org; Wed, 23 Mar 2011 15:04:45 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id E2ECF1C092 for ; Wed, 23 Mar 2011 15:04:40 +0000 (UTC) Received: from mail-fx0-f53.google.com (mail-fx0-f53.google.com [209.85.161.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 533A61C054 for ; Wed, 23 Mar 2011 14:52:35 +0000 (UTC) Received: by fxm11 with SMTP id 11so9924293fxm.40 for ; Wed, 23 Mar 2011 07:52:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:in-reply-to:references:from :date:x-google-sender-auth:message-id:subject:to:content-type; bh=ztT8ZBemfVsfPOOV9tcQXM9peNqzYBpr3Ffjd6A84Mc=; b=myyPUycER4WH8FgAHCAU98xSN2l1XGrj8aJ9FEG4/xiG7t/Lks3i6v7APydLFJt+Zj 9K2az63eKSgfoPPZTxYbWW1MpuFJFrDbmg6cDqvVt7DldbXbj6cOaOmgkEhujtqctRpx 3Aqm2HgUE2DuLqj2FAyV30aUHE4iKUlll7Ryc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; b=ExrZKNG6YSDltDG2AwfGKXmucIbGT+rB9IfXao9Hd/utLXl2ld2l/1eOoSg5uA/Nj0 iHpNE7SsHFoxyRNfS+sftLbl459PTJ/0tRaw8r0BZsBhQUkkH9T1ACNDTPBcgu+6xA8k A74LybSMbwRiwbXyrk11+v5QoFO7zBAfuwiPY= Received: by 10.223.110.4 with SMTP id l4mr779759fap.125.1300891875110; Wed, 23 Mar 2011 07:51:15 -0700 (PDT) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-embedded@lists.gentoo.org Reply-to: gentoo-embedded@lists.gentoo.org MIME-Version: 1.0 Sender: vapierfilter@gmail.com Received: by 10.223.5.15 with HTTP; Wed, 23 Mar 2011 07:50:55 -0700 (PDT) In-Reply-To: References: From: Mike Frysinger Date: Wed, 23 Mar 2011 10:50:55 -0400 X-Google-Sender-Auth: SoYvBvmGgYcqLhItR_x6erLMOQw Message-ID: Subject: Re: [gentoo-embedded] one cross-toolchain, many filesystem trees. To: gentoo-embedded@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: X-Archives-Hash: 3c00449d362943589d809a495a12adfa On Wed, Mar 23, 2011 at 8:50 AM, Sergey Mironov wrote: > Hi. I'm planning to build 3 ARM filesystem trees. Since they differs > only in softfloat and mach flags in their /etc/make.conf, I don't want > to maintain 3 equal cross-build environments. Thats why I'm thinking > about building only one and than making 2 additional emerge wrappers, > which will set right SYSROOT and call original emerge wrapper. Is it > generally sufficient to make things work? "only" !? the two pieces you speak of are core to the code generated. you'll need sep trees for each FPU target, and for each CPU class. you could pick the lowest common denominator across the targets march wise and build for that, but that's no fun. -mike