Re: [PATCH] kbuild: include localarch for simple cross overrides

From: Sam Ravnborg
Date: Wed Oct 29 2008 - 14:53:45 EST


On Wed, Oct 29, 2008 at 02:21:35PM -0400, Mike Frysinger wrote:
> For people banging on kernel trees which are dedicated to a specific arch,
> it'd be nice to allow the repo itself to declare the default ARCH (and
> CROSS_COMPILE) easily. Just like the "localversion-*" files, people can
> just do:
> echo 'ARCH ?= blackfin' > localarch
> and the tree will default to 'blackfin' all the time rather than whatever
> the build machine happens to be.
>
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
> ---
> Makefile | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index a7f2068..7fa1f81 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -180,6 +180,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
> # make ARCH=ia64
> # Another way is to have ARCH set in the environment.
> # The default ARCH is the host where make is executed.
> +-include localarch
>
> # CROSS_COMPILE specify the prefix used for all executables used
> # during compilation. Only gcc and related bin-utils executables

Last time I did something similar it broke a few archs.
But then it was automatically done where this approach is mnually.

I will apply this to kbuild-next but it will most likely change
sometime in the future.

Sam
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