From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758234AbXJKMq6 (ORCPT ); Thu, 11 Oct 2007 08:46:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754906AbXJKMqv (ORCPT ); Thu, 11 Oct 2007 08:46:51 -0400 Received: from europa.telenet-ops.be ([195.130.137.75]:41299 "EHLO europa.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754222AbXJKMqt (ORCPT ); Thu, 11 Oct 2007 08:46:49 -0400 Date: Thu, 11 Oct 2007 14:46:47 +0200 (CEST) From: Geert Uytterhoeven To: Sam Ravnborg Cc: Rob Landley , LKML , Linux/m68k Subject: Re: [PATCH] Make m68k cross compile like every other architecture. In-Reply-To: <20071011113931.GB8393@uranus.ravnborg.org> Message-ID: References: <200710101722.21126.rob@landley.net> <20071011113931.GB8393@uranus.ravnborg.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 11 Oct 2007, Sam Ravnborg wrote: > On Thu, Oct 11, 2007 at 09:25:19AM +0200, Geert Uytterhoeven wrote: > > On Wed, 10 Oct 2007, Rob Landley wrote: > > > From: Rob Landley > > > > > > Rip out hardwired cross compiler name assumption that only m68k makes. > > > > > > Signed-off-by: Rob Landley > > > --- > > > When you cross compile, you have to set the prefix CROSS_COMPILE to your > > > cross compiler prefix. You need to do this for all targets (arm, mips, ppc, > > > x86-64 on x86, etc). This is not specific to m68k, and this value is > > > supplied _to_ the build, not supplied _by_ the build. > > > > > > The build shouldn't unconditionally overwrite the existing value of this > > > variable with one it makes up. It has no idea what I called my cross compiler. > > > > The build does not unconditionally overwrite the existing value of this > > variable. You can specify the name of your cross compiler like this: > > > > make CROSS_COMPILE=m68k-linux- > > > > BTW, m68k-linux-gnu- is the default name for a m68k cross compiler. > > For "make headers_install" this is not good. > But I see there is confliting usages here. > 1) current functionality makes it easy to build a cross compiled m68k > > Btw. if you did: > CROSS_COMPILE ?= m68k-linux- > > then I could do: > export CROSS_COMPILE=my-m68k-linux- > make > > and still get the expected result. That won't work, cfr. http://lkml.org/lkml/2007/5/6/58. > 2) suggested functionality makes it easy to do make headers_install This is something completely different (cfr. the other thread handling it). If `make headers_install' doesn't need the cross compiler, it should not try to execute it. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds