From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3] Switch from archive libraries to partial linking
Date: Wed, 10 Nov 2010 03:55:21 -0500 [thread overview]
Message-ID: <201011100355.22231.vapier@gentoo.org> (raw)
In-Reply-To: <20101110080708.GA8145@safe.home.local>
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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next prev parent reply other threads:[~2010-11-10 8:55 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-08 22:04 [U-Boot] [PATCH] Switch from archive libraries to partial linking Sebastien Carlier
2010-11-08 22:10 ` Graeme Russ
2010-11-08 22:34 ` Sebastien Carlier
2010-11-09 6:17 ` Andreas Bießmann
2010-11-09 9:15 ` Andre Schwarz
2010-11-09 17:44 ` [U-Boot] [PATCH v2] " Sebastien Carlier
2010-11-10 8:35 ` Andre Schwarz
2010-11-09 9:48 ` [U-Boot] [PATCH] " Graeme Russ
2010-11-09 11:29 ` Stefano Babic
2010-11-10 6:57 ` Mike Frysinger
2010-11-10 8:01 ` Andreas Bießmann
2010-11-10 8:07 ` [U-Boot] [PATCH v3] " Sebastien Carlier
2010-11-10 8:55 ` Mike Frysinger [this message]
2010-11-10 12:24 ` Sebastien Carlier
2010-11-10 21:07 ` Mike Frysinger
2010-11-15 7:51 ` Wolfgang Denk
2010-11-15 8:09 ` Sebastien Carlier
2010-11-15 10:54 ` Wolfgang Denk
2010-11-15 11:33 ` Mike Frysinger
2010-11-15 12:38 ` Mike Frysinger
2010-11-15 12:42 ` Mike Frysinger
2010-11-15 12:52 ` Mike Frysinger
2010-11-15 11:35 ` [U-Boot] [PATCH v4] " Sebastien Carlier
2010-11-15 12:13 ` Sebastien Carlier
2010-11-15 12:39 ` Mike Frysinger
2010-11-16 14:58 ` Detlev Zundel
2010-11-16 16:33 ` Mike Frysinger
2010-11-17 12:30 ` Detlev Zundel
2010-11-17 13:30 ` [U-Boot] [PATCH v3] " Sebastien Carlier
2010-11-17 13:50 ` Wolfgang Denk
2010-11-17 18:06 ` Mike Frysinger
2010-11-17 19:53 ` Sebastien Carlier
2010-11-17 22:19 ` Mike Frysinger
2010-11-18 21:44 ` Wolfgang Denk
2010-11-18 22:08 ` Albert ARIBAUD
2010-11-18 22:33 ` Wolfgang Denk
2010-11-19 6:36 ` Albert ARIBAUD
2010-11-19 8:03 ` Wolfgang Denk
2010-11-20 0:07 ` Mike Frysinger
2010-11-20 8:38 ` Wolfgang Denk
2010-11-20 8:48 ` Albert ARIBAUD
2010-11-20 9:19 ` Mike Frysinger
2010-11-19 8:04 ` Sebastien Carlier
2010-11-19 7:50 ` Sebastien Carlier
2010-11-19 8:08 ` Wolfgang Denk
2010-11-19 8:34 ` Sebastien Carlier
2010-11-19 11:11 ` Wolfgang Denk
2010-11-19 11:40 ` Albert ARIBAUD
2010-11-19 11:48 ` Wolfgang Denk
2010-11-19 12:11 ` Albert ARIBAUD
2010-11-19 12:33 ` Sebastien Carlier
2010-11-19 12:38 ` Albert ARIBAUD
2010-11-19 13:02 ` Sebastien Carlier
2010-11-19 13:07 ` Reinhard Meyer
2010-11-19 13:33 ` Albert ARIBAUD
2010-11-19 13:40 ` Wolfgang Denk
2010-11-19 12:55 ` Wolfgang Denk
2010-11-19 8:10 ` Mike Frysinger
2010-11-15 19:44 ` Mike Frysinger
2010-11-15 11:44 ` [U-Boot] [PATCH] " Mike Frysinger
2011-01-24 20:54 ` Timur Tabi
2011-01-25 0:03 ` Kumar Gala
2011-01-25 6:36 ` Wolfgang Denk
2011-01-25 8:55 ` Kumar Gala
2011-01-25 16:40 ` Timur Tabi
2011-01-25 17:49 ` Kumar Gala
2011-01-25 18:30 ` Timur Tabi
2011-01-25 19:02 ` Wolfgang Denk
2011-01-25 20:05 ` Scott Wood
2011-01-25 20:19 ` Wolfgang Denk
2011-01-25 20:37 ` Scott Wood
2011-01-25 21:13 ` Wolfgang Denk
2011-01-26 5:22 ` Kumar Gala
2011-01-26 17:26 ` Scott Wood
2011-01-25 18:27 ` Wolfgang Denk
2011-01-25 18:29 ` Timur Tabi
2011-01-25 18:54 ` Wolfgang Denk
2011-01-25 18:57 ` Timur Tabi
2011-01-25 19:05 ` Wolfgang Denk
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