netdev - Re: [PATCH 1/3] kbuild: remove unnecessary "obj- := dummy.o" trick

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Message-ID: <20140909234510.GB16682@verge.net.au>
Date:	Wed, 10 Sep 2014 08:45:10 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Mike Turquette <mturquette@...aro.org>
Cc:	Masahiro Yamada <yamada.m@...panasonic.com>,
	linux-kbuild@...r.kernel.org, Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Wolfram Sang <wsa@...g-engineering.com>,
	Takashi Yoshii <takasi-y@....dti.ne.jp>,
	Ulrich Hecht <ulrich.hecht@...il.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/3] kbuild: remove unnecessary "obj- := dummy.o" trick

On Tue, Sep 09, 2014 at 10:43:37AM -0700, Mike Turquette wrote:
> Quoting Masahiro Yamada (2014-09-09 03:26:19)
> > In these Makefiles, at least one of "obj-y" and "obj-" is non-empty,
> > hence built-in.o is always created without such a trick.
> > 
> > Signed-off-by: Masahiro Yamada <yamada.m@...panasonic.com>
> 
> Acked-by: Mike Turquette <mturquette@...aro.org>

shmobile portion:

Acked-by: Simon Horman <horms+renesas@...ge.net.au>

> 
> > ---
> > 
> >  arch/arm/plat-samsung/Makefile | 1 -
> >  drivers/clk/shmobile/Makefile  | 2 --
> >  drivers/net/wimax/Makefile     | 4 ----
> >  3 files changed, 7 deletions(-)
> > 
> > diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
> > index 5fe1750..a402262 100644
> > --- a/arch/arm/plat-samsung/Makefile
> > +++ b/arch/arm/plat-samsung/Makefile
> > @@ -8,7 +8,6 @@ ccflags-$(CONFIG_ARCH_MULTI_V7) += -I$(srctree)/$(src)/include
> >  
> >  obj-y                          :=
> >  obj-m                          :=
> > -obj-n                          := dummy.o
> >  obj-                           :=
> >  
> >  # Objects we always build independent of SoC choice
> > diff --git a/drivers/clk/shmobile/Makefile b/drivers/clk/shmobile/Makefile
> > index e002923..9aab51c8 100644
> > --- a/drivers/clk/shmobile/Makefile
> > +++ b/drivers/clk/shmobile/Makefile
> > @@ -6,5 +6,3 @@ obj-$(CONFIG_ARCH_R8A7790)              += clk-rcar-gen2.o
> >  obj-$(CONFIG_ARCH_R8A7791)             += clk-rcar-gen2.o
> >  obj-$(CONFIG_ARCH_SHMOBILE_MULTI)      += clk-div6.o
> >  obj-$(CONFIG_ARCH_SHMOBILE_MULTI)      += clk-mstp.o
> > -# for emply built-in.o
> > -obj-n  := dummy
> > diff --git a/drivers/net/wimax/Makefile b/drivers/net/wimax/Makefile
> > index 992bc02..692184d 100644
> > --- a/drivers/net/wimax/Makefile
> > +++ b/drivers/net/wimax/Makefile
> > @@ -1,5 +1 @@
> > -
> >  obj-$(CONFIG_WIMAX_I2400M)     += i2400m/
> > -
> > -# (from Sam Ravnborg) force kbuild to create built-in.o
> > -obj- := dummy.o
> > -- 
> > 1.9.1
> > 
> > --
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> 
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