linux-kernel - Re: [PATCH] let kbuild mkdir for dir/file.o

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Message-ID: <20130630090203.GA6557@greatfirst.com>
Date:	Sun, 30 Jun 2013 17:02:03 +0800
From:	张忠山 <zzs0213@...il.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kbuild <linux-kbuild@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] let kbuild mkdir for dir/file.o

> >  # $(obj-dirs) is a list of directories that contain object files
> > -obj-dirs := $(dir $(multi-objs) $(subdir-obj-y))
> > +__subdir-obj-y := $(foreach o,$(obj-y),$(if $(filter-out $(o),$(notdir $(o))),$(o)))
>
> This complicated filter returns entries from $(obj-y) that contain a
> slash, is that correct? If so, is it really necessary? Why not simply
> add whole $(obj-y) to $(obj-dirs) and be done? $(multi-objs) is also
> added without any filtering.
>
> > +obj-dirs := $(dir $(multi-objs) $(__subdir-obj-y))

Yes, You are right.
It is enough that just add $(obj-y) to $(obj-dirs) directly.
I will resend the patch.

-- 
Best Regards,
zzs

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