linux-kernel - Re: UML dead with current -git?

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Date:	Wed, 19 Sep 2007 10:47:03 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Philipp Marek <philipp@...ek.priv.at>
Cc:	Jeff Dike <jdike@...toit.com>, Sam Ravnborg <sam@...nborg.org>,
	linux-kernel@...r.kernel.org
Subject: Re: UML dead with current -git?

On Wed, 19 Sep 2007 18:17:51 +0200 Philipp Marek wrote:

> Hello Randy!
> 
> On Wednesday 19 September 2007 Randy Dunlap wrote:
> > Yes, I've tried to coerce the top-level Makefile into honoring/using
> > the include/asm symlink if it exists, i.e., taking ARCH from
> > readlink include/asm && sed -e 's/include-asm//', but sadly my
> > makefile foo was not good enough.
> How about that?
> 	readlink include/asm
> returns
> 	asm-um
> in my case, so I only have to strip the "asm-" part ...
> 
> 
> Regards,
> 
> Phil
> 
> 
> diff --git a/Makefile b/Makefile
> index e0fdf49..c9284ba 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -163,6 +163,9 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
>                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
>                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ )
> 
> +# sadly perl is defined below ... so we can't use it here, can we?
> +ASMARCH        := $(shell test -s include/asm && readlink include/asm | cut -f2 -d-)
> +
>  # Cross compiling and selecting different set of gcc/bin-utils
>  # ---------------------------------------------------------------------------
>  #
> @@ -182,7 +185,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
>  # Default value for CROSS_COMPILE is not to prefix executables
>  # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
> 
> -ARCH           ?= $(SUBARCH)
> +ARCH           ?= $(or $(SUBARCH), $(ASMARCH))
>  CROSS_COMPILE  ?=
> 
>  # Architecture as present in compile.h
> 
> 
> -- 

This doesn't work when there is no include/asm symlink.

It also didn't apply cleanly due to tab(s) being converted
to spaces (but of course I fixed that part).

---
~Randy
-
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