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Date: Fri, 11 Jul 2014 15:46:44 +0200
From: Michal Marek <mmarek@suse.cz>
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Subject: Re: [PATCH v2 5/5] kbuild: clean-up and bug fix of scripts/Makefile.host
References: <1402287394-31133-1-git-send-email-yamada.m@jp.panasonic.com> <1402287394-31133-6-git-send-email-yamada.m@jp.panasonic.com>
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To: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: linux-kbuild@vger.kernel.org, Sam Ravnborg <sam@ravnborg.org>

On 2014-06-09 06:16, Masahiro Yamada wrote:
> -# hostprogs-y := tools/build may have been specified. Retrieve directory
> -host-objdirs := $(dir $(__hostprogs))
> -# directory of .o files from prog-objs notation
> -host-objdirs += $(dir $(foreach f,$(host-cmulti), $($(f)-objs)))
> -# directory of .o files from prog-cxxobjs notation
> -host-objdirs += $(dir $(foreach f,$(host-cxxmulti), $($(f)-cxxobjs)))
> +# hostprogs-y := tools/build may have been specified.
> +# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation
> +host-objdirs := $(dir \
> +	     $(foreach f, $(__hostprogs), $(f) $($(f)-objs) $($(f)-cxxobjs)))

You could also use the $(host-cobjs) and $(host-cxxobjs) variables
defined earlier and write

host-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs))

Michal