linux-kernel - Re: [PATCH] tile: set KBUILD_DEFCONFIG to point at a real config file

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Date:	Fri, 18 May 2012 21:08:31 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
CC:	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tile: set KBUILD_DEFCONFIG to point at a real config
 file

On 5/18/2012 6:46 PM, Paul Gortmaker wrote:
> To fix this:
>
> ~/git/linux-head$ make defconfig
> *** Default configuration is based on 'tile_defconfig'
> ***
> *** Can't find default configuration "arch/tile/configs/tile_defconfig"!
> ***
> make[1]: *** [defconfig] Error 1
> make: *** [defconfig] Error 2
>
> There is no need to use $ARCH in the tile/Makefile, since if we are
> in there, we know ARCH must be tile.  Use the GX as the defconfig,
> as that is what is used in linux-next.

No, the odd thing about arch/tile is that you must build it either as
ARCH=tilepro or ARCH=tilegx.  There is no ARCH=tile.  So the $ARCH piece is
actually correct.

> Cc: Chris Metcalf <cmetcalf@...era.com>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
>
> diff --git a/arch/tile/Makefile b/arch/tile/Makefile
> index 5015144..89f2310 100644
> --- a/arch/tile/Makefile
> +++ b/arch/tile/Makefile
> @@ -34,7 +34,7 @@ LIBGCC_PATH     := \
>    $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
>  
>  # Provide the path to use for "make defconfig".
> -KBUILD_DEFCONFIG := $(ARCH)_defconfig
> +KBUILD_DEFCONFIG := tilegx_defconfig
>  
>  # Used as a file extension when useful, e.g. head_$(BITS).o
>  # Not needed for (e.g.) "$(CC) -m32" since the compiler automatically

-- 
Chris Metcalf, Tilera Corp.
http://www.tilera.com

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