linux-kernel - Re: [RFC] Get rid of SUBARCH

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Date:	Thu, 22 Aug 2013 14:58:26 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Richard Weinberger <richard@....at>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	Michal Marek <mmarek@...e.cz>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Paul Mundt <lethal@...ux-sh.org>,
	Jeff Dike <jdike@...toit.com>,
	Guan Xuetao <gxt@...c.pku.edu.cn>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-m68k <linux-m68k@...ts.linux-m68k.org>,
	Linux MIPS Mailing List <linux-mips@...ux-mips.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [RFC] Get rid of SUBARCH

On Wed, Aug 21, 2013 at 9:51 PM, Sam Ravnborg <sam@...nborg.org> wrote:
>> > The series touches also m68k, sh, mips and unicore32.
>> > These architectures magically select a cross compiler if ARCH != SUBARCH.
>> > Do really need that behavior?
>>
>> This does remove functionality.
>> It allows to build a kernel using e.g. "make ARCH=m68k".
>>
>> Perhaps this can be moved to generic code? Most (not all!) cross-toolchains
>> are called $ARCH-{unknown-,}linux{,-gnu}.
>> Exceptions are e.g. am33_2.0-linux and bfin-uclinux.
>
> Today you can specify CROSS_COMPILE in Kconfig.
> With this we should be able to remove these hacks.

The correct CROSS_COMPILE value depends on the host environment, not
on the target configuration.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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
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