[U-Boot] [PATCH v2] Makefile: fix parallel build

[Wolfgang Denk]

Dear Daniel Hobi,

In message <1260885106-3494-1-git-send-email-daniel.hobi at schmid-telecom.ch> you wrote:
> During parallel build, the top Makefile spawns multiple sub-makes for
> targets in cpu/$(CPU) and $(dir $(LDSCRIPT)). If the .depend files are
> not present in these directories, the sub-makes may end up generating
> these files simultaneously which leads to corrupted content.
...
> diff --git a/Makefile b/Makefile
> index 19b5ac0..e9be7a5 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -400,7 +400,8 @@ env:
>  		$(MAKE) -C tools/env all MTD_VERSION=${MTD_VERSION} || exit 1
>  
>  depend dep:	$(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
> -		for dir in $(SUBDIRS) ; do $(MAKE) -C $$dir _depend ; done
> +		for dir in $(SUBDIRS) cpu/$(CPU) $(dir $(LDSCRIPT)) ; do \
> +			$(MAKE) -C $$dir _depend ; done

I ageree with Mike: please add a comment here.

Best regards,

Wolfgang Denk

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