From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751912AbcFUVUt (ORCPT ); Tue, 21 Jun 2016 17:20:49 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:57248 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750744AbcFUVUg (ORCPT ); Tue, 21 Jun 2016 17:20:36 -0400 From: Arnd Bergmann To: Peter Zijlstra Cc: Chris Metcalf , Sudip Mukherjee , Stephen Rothwell , linux-next@vger.kernel.org, Ingo Molnar , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: linux-next: Tree for Jun 21 Date: Tue, 21 Jun 2016 23:14:00 +0200 Message-ID: <3813680.TbHyagWbHe@wuerfel> User-Agent: KMail/5.1.3 (Linux/4.4.0-22-generic; KDE/5.18.0; x86_64; ; ) In-Reply-To: <20160621185048.GR30909@twins.programming.kicks-ass.net> References: <20160621185048.GR30909@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:xmNwtbNcPqg3c/2n3Hut4b5ZwmyyWJn3rQV4F/9FyiS8T41M0B2 VK3xN02eLK4MvOv/PRRl6MuvvbdhjB7j9a+LA4fagLKYwzHgQxtkmDrKSCNvzteGGK3Q78B kswmn1Q9dc37J+KUnLNHOuPZQyPgNdqwOvn0ZKyG8zman30pfxXRA/LZ8/zRKGpkPP+9zM3 vJRe7RpPbmImAkx89OYkQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:PMOtIbWCa1w=:eTAxxYEWB/hKpFMJJjNJM/ pau6CY0ePmO4OjYd8M1vTEWQKuUEuJNadZboS6GV7ngkJaSQ+2quzklgq67oTXFV6eJ7vZ/jU n9h5a/fkjXspA1fORDvTQ83aMDDMMmMosJ2iDAPnN4FWCh0/VlhOSZdY7EvKqQmkkuOZAQTCm hIKOaPUTZ2srcchKPM6g6WrG9DIEmp6KoNOTk7ppC5OocnOloKd9Z8df1j5BFifTGvsl2ThAw rk2KHJsckK6n53/0gSnv+2Fhq6xA3rGP1q3eOT1nqQCXXTJwFrQ5Po2H7QzqgWsWaNp3gtNnF pTtJY1sQODOgAuACv6N/GHq/SAQ3F1QzLDhPFyQLVQ+FwHILInvwIe89T5lx2sbRJxuYoLQ3r hPsN7mW2KMmtCvcKHKzVhKfzVQ5VTStMC6G8EOd/Dru2S/+VVexVCnkXdd/ONirwhqqBztEZg AUe1ltJH8+6K8MLwsW5T8L5T4WAwYdnjmDIs1tWWVtesFSzRz88QziEONq+R8s6yxgaSA6L7M Zj1/N43vlWXliPzhCwCqjoUMsU/rt2lVgHTmnv5JdyQl1rZepvXs6t49GYrVFQnZD1EsQ5uIG p+0RB8zeme6Qd3TeLGzzPwfi5GTWdNmCCqxb8h+aQ9uIP9TNntk3o/T7gTokvXPogsNd154vz PntCTBHjYEhmGR+jNC6p3mGou9/NDLmNhU45EVV+9FP/+eZX1u2QUXrZmWsrQlW7s0A9NGtul vBuN/TCYrMhmI9KR Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, June 21, 2016 8:50:48 PM CEST Peter Zijlstra wrote: > > > So what's your build process for the cross tools, by the way? I'm assuming > > you're not doing a total bootstrap cross-tool build since you'd need minimal > > kernel headers (linux/errno.h or whatever) in that case. I assume you're using > > the host headers to build the cross tool? > > > > So I'm a little confused how the other kernel headers are working out for you, > > e.g. is referenced when building the tilegx libgcc. > > I've no idea; I use this thing: > > git://git.infradead.org/users/segher/buildall.git > > Although I've got some local modifications, none are to the actual > toolchain building part (although I suppose I should send segher a > patch). > > I have binutils-gdb.git and gcc.bit checkouts and point the buildall > config to that (both are on latest stable branches binutils-2_26-branch > and gcc-6-branch resp.). And I point the kernel path to my current > hacked up tree. > > I don't really rebuild the entire toolchains often, mostly only when I > really need a new GCC or its getting really old (like I used 5.3.0 for a > long while). I think the kernel headers are only needed for building glibc, which buildall.git doesn't use: it only does the initial stage of creating a cross-toolchain. Arnd