[Buildroot] [PATCH 1/2] add host arch detection and Kconfig (BR2_HOSTARCH)

[Arnout Vandecappelle <arnout@mind.be>]

On Tuesday 17 April 2012 17:05:39 Jean-Christophe PLAGNIOL-VILLARD wrote:
> This will allow to install binary package only if they are supported by the
> host. As example Atmel SAM-BA (x86 only).
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> ---
>  Config.in |    4 ++++
>  Makefile  |   10 ++++++++++
>  2 files changed, 14 insertions(+), 0 deletions(-)
> 
> diff --git a/Config.in b/Config.in
> index 68abb9b..be424b7 100644
> --- a/Config.in
> +++ b/Config.in
> @@ -10,6 +10,10 @@ config BR2_VERSION
>  	string
>  	option env="BR2_VERSION_FULL"
>  
> +config BR2_HOSTARCH
> +	string
> +	option env="HOSTARCH"
> +
>  source "target/Config.in.arch"
>  
>  menu "Build options"
> diff --git a/Makefile b/Makefile
> index 3a09417..b14940b 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -32,6 +32,16 @@ ifneq ($(firstword $(sort $(MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSI
>  $(error You have make '$(MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
>  endif
>  
> +export HOSTARCH := $(shell uname -m | \
> +	sed -e s/i.86/x86/ \
> +	    -e s/sun4u/sparc64/ \
> +	    -e s/arm.*/arm/ \
> +	    -e s/sa110/arm/ \
> +	    -e s/ppc64/powerpc/ \
> +	    -e s/ppc/powerpc/ \
> +	    -e s/macppc/powerpc/\
> +	    -e s/sh.*/sh/)

 If it's going to be any use, I guess we still need to be able to
distinguish arm/armeb and sh/sh64.  But I don't know how these look
in the uname. 

> +
>  # This top-level Makefile can *not* be executed in parallel
>  .NOTPARALLEL:


 Regards,
 Arnout

-- 
Arnout Vandecappelle                               arnout at mind be
Senior Embedded Software Architect                 +32-16-286540
Essensium/Mind                                     http://www.mind.be
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