From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 10 Nov 2010 03:55:21 -0500
Subject: [U-Boot] [PATCH v3] Switch from archive libraries to partial
	linking
In-Reply-To: <20101110080708.GA8145@safe.home.local>
References: <1289253872-16891-1-git-send-email-sebastien.carlier@gmail.com>
	<201011100157.31202.vapier@gentoo.org>
	<20101110080708.GA8145@safe.home.local>
Message-ID: <201011100355.22231.vapier@gentoo.org>
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To: u-boot@lists.denx.de

On Wednesday, November 10, 2010 03:07:08 Sebastien Carlier wrote:
> On 2010-11-10 01:57:30, Mike Frysinger wrote:
> > the config.mk looks weird:
> > +cmd_link_o_target = $(if $(strip $1),\
> > +                      $(LD) -r -o $@ $1 ,\
> > +                      rm -f $@; $(AR) rcs $@ )
> > 
> > why do you need the rm/ar ?
> 
> The ar part is needed when there are no objets to link, as ld cannot
> create an empty object out of nothing.  The rm part is to make sure that
> the target is not a leftover object from a previous build (ar would
> complain).

if you're going to copy from linux, you should move over relevant comments:
# If the list of objects to link is empty, just create an empty built-in.o
-mike
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