Re: [Patch 3/8] S390: Remove 'TOPDIR' from Makefiles

[Sam Ravnborg]

On Tue, Jan 01, 2008 at 03:25:55PM +0800, WANG Cong wrote:
> 
> TOPDIR is obsolete, use objtree instead.
> This patch removes TOPDIR from all s390 Makefiles.
> 
> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Signed-off-by: WANG Cong <xiyou.wangcong@xxxxxxxxx>
> 
> ---
> 
> diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
> index 56cb710..a753a71 100644
> --- a/arch/s390/kernel/Makefile
> +++ b/arch/s390/kernel/Makefile
> @@ -34,4 +34,4 @@ obj-$(CONFIG_KEXEC) += $(S390_KEXEC_OBJS)
>  #
>  # This is just to get the dependencies...
>  #
> -binfmt_elf32.o:	$(TOPDIR)/fs/binfmt_elf.c
> +binfmt_elf32.o:	$(objtree)/fs/binfmt_elf.c

This prerequisite listing looks just bogus and should be removed altogether.
We only need to list prerequisites explicit for generated files.

	Sam
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