linux-kernel - Re: [PATCH] m68k: Use cc-cross-prefix (was: Re: [GI:wqT PULL] kbuild updates

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Message-ID: <20071021182245.GA5840@uranus.ravnborg.org>
Date:	Sun, 21 Oct 2007 20:22:45 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	linux arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux/m68k <linux-m68k@...r.kernel.org>,
	Rob Landley <rob@...dley.net>
Subject: Re: [PATCH] m68k: Use cc-cross-prefix (was: Re: [GI:wqT PULL] kbuild updates - second round)

On Sun, Oct 21, 2007 at 07:57:39PM +0200, Geert Uytterhoeven wrote:
> On Fri, 19 Oct 2007, Sam Ravnborg wrote:
> > The cc-cross-prefix is new and developed on request from Geert Uytterhoeven.
> > With cc-cross-prefix it is now much easier to have a few default
> > cross compile prefixes and defaulting to none - if none of them were present.
> > ARCH maintainers are expected to pick up this feature soon.
> 
> Thanks, seems to work fine!
> 
> m68k: Use cc-cross-prefix
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
>  arch/m68k/Makefile |    8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> --- a/arch/m68k/Makefile
> +++ b/arch/m68k/Makefile
> @@ -13,16 +13,14 @@
>  # Copyright (C) 1994 by Hamish Macdonald
>  #
>  
> -# test for cross compiling
> -COMPILE_ARCH = $(shell uname -m)
> -
>  # override top level makefile
>  AS += -m68020
>  LDFLAGS := -m m68kelf
>  LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
>  ifneq ($(COMPILE_ARCH),$(ARCH))
> -	# prefix for cross-compiling binaries
> -	CROSS_COMPILE = m68k-linux-gnu-
> +	ifeq ($(CROSS_COMPILE),)
> +	       CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
> +	endif
>  endif
Patch seems bogus.
You kill the assignment to COMPILE_ARCH yet you
refer to it in the line:
ifneq ($(COMPILE_ARCH),...

Did you mean to use $(SUBARCH) here?

	Sam
-
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