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From: Roland McGrath <roland@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Sam Ravnborg <sam@ravnborg.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] kconfig CROSS_COMPILE option
Date: Mon,  7 Sep 2009 11:38:01 -0700 (PDT)	[thread overview]
Message-ID: <20090907183801.379228BF3F@magilla.sf.frob.com> (raw)
In-Reply-To: Pavel Machek's message of  Monday, 7 September 2009 15:09:04 +0200 <20090907130402.GB1595@ucw.cz>

> Yes that would be very nice. Editing Makefile every time I
> crosscomppile for arm sucks.

The other trick I can recommend is to write a GNUmakefile containing:

ARCH=foo
CROSS_COMPILE=foo-linux-
include Makefile

(GNU make reads GNUmakefile in preference to Makefile.)
But this manual hackery is still not nearly as nice as the automagic way.

> But... do we need an option for subarch, too? And will Kconfig system
> handle that?

I'm not sure I follow exactly what your concern is.  I am mostly familiar
with doing x86 and powerpc builds.  For both of those, the kernel config
sets whether it's the 32-bit or 64-bit world.


Thanks,
Roland

  reply	other threads:[~2009-09-07 18:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-05  0:29 Roland McGrath
2009-09-07 13:09 ` Pavel Machek
2009-09-07 18:38   ` Roland McGrath [this message]
2009-09-09  8:08     ` Pavel Machek
2009-09-09 13:20     ` Geert Uytterhoeven

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