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Date: Sat, 13 Aug 2011 00:03:17 +0200
From: Sam Ravnborg <sam@ravnborg.org>
To: Arnaud Lacombe <lacombar@gmail.com>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
        Stephen Boyd <sboyd@codeaurora.org>, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org
Subject: Re: [PATCH] ARM: zImage: Skip relinking if nothing changes
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> 
> I suspect this would have done the job:
> 
> $(obj)/font.o: $(srctree)/drivers/video/console/font_acorn_8x8.c
>         $(cmd,cc_o_c)'

I prefer using $(call,shipped) and let kbuild figure out how
build an .o file from a .c file.

In other words - avoiding use of the internal to Makefile.build
variables in various places.

	Sam