linux-kernel - Re: [RFC] kbuild: drop use of "ld -r" for intermediate links of vmlinux

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Message-ID: <20140219010100.GA3386@bubble.grove.modra.org>
Date:	Wed, 19 Feb 2014 11:31:00 +1030
From:	Alan Modra <amodra@...il.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>, mmarek@...e.cz,
	Cary Coutant <ccoutant@...gle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [RFC] kbuild: drop use of "ld -r" for intermediate links of
 vmlinux

On Tue, Feb 18, 2014 at 10:48:01PM +0100, Sam Ravnborg wrote:
> > Another possibility is to use thin archives to package up the objects.
> > Thin archives are like normal archives except they just contain paths
> > to the objects, not the object contents.  Paths are flattened when
> > adding one thin archive to another.  I think Stephen may have tried
> > that idea too.
> I just coded this in a similar simple fashion.
> It broke building vdso - needs to look into that and will get back when I may
> understand why my link suddenly broke.

Missing --whole-archive?

-- 
Alan Modra
Australia Development Lab, IBM
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