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From: Tim Deegan <tim@xen.org>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Julien Grall <julien.grall@citrix.com>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH 2/2] xen: arm: drop LDFLAGS_DIRECT emulation specification.
Date: Thu, 18 Jul 2013 18:09:30 +0100	[thread overview]
Message-ID: <20130718170930.GD94768@ocelot.phlegethon.org> (raw)
In-Reply-To: <1374149686.26728.75.camel@kazak.uk.xensource.com>

At 13:14 +0100 on 18 Jul (1374153286), Ian Campbell wrote:
> Ping?
> 
> On Fri, 2013-04-26 at 11:58 +0100, Ian Campbell wrote:
> > The current -maarch64elf fails when cross-building arm64 on Ubuntu Raring due
> > to a missing file "ldscripts/aarch64elf.xr". This is undoubtedly an Ubuntu gcc
> > bug, hwever when investigating I found that this option was not necessary at
> > all since we provide an explicit linker script when linking the hypervisor
> > (AFAICT all -m<foo> does is override the default linker script).
> > 
> > LDFLAGS_DIRECT is also used when linking the intermediate built-in.o files but
> > -m<emulatin> is not needed for this since it isn't linking the final image and
> > we are calling the linker with the correct, cross if necessary, name.
> > 
> > However it does appear to be potentially useful to supply -EL in both cases to
> > ensure that we get little endian images. (I just happened to spot that Linux
> > does this, for both arm and arm64, although I expect we are unlikely to trip
> > over such toolchains these days).
> > 
> > Tested with cross-builds of arm32 and arm64 as well as a native arm32 build.
> > 
> > Signed-off-by: Ian Campbell <ian.campbell@citrix.com>

Acked-by: Tim Deegan <tim@xen.org>

  reply	other threads:[~2013-07-18 17:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-26 10:58 [PATCH 0/2] Remaining ARM cross compile patches Ian Campbell
2013-04-26 10:58 ` [PATCH 1/2] xen: arm: correct platform detection in public header Ian Campbell
2013-04-26 16:33   ` Stefano Stabellini
2013-04-30 10:59     ` Ian Campbell
2013-04-26 10:58 ` [PATCH 2/2] xen: arm: drop LDFLAGS_DIRECT emulation specification Ian Campbell
2013-07-18 12:14   ` Ian Campbell
2013-07-18 17:09     ` Tim Deegan [this message]
2013-07-19 14:16       ` Ian Campbell

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