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Date: Sun, 9 Mar 2014 13:35:53 +0000
From: Leandro Dorileo <l@dorileo.org>
Message-ID: <20140309133553.GA22655@dorilex>
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Subject: Re: [Qemu-devel] [PATCH RFC 2/2] qemu-img: migrate to use qemu-arg
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Kevin Wolf <kwolf@redhat.com>, Fam Zheng <famz@redhat.com>, Stefan Weil <sw@weilnetz.de>, Michael Tokarev <mjt@tls.msk.ru>, QEMU Developers <qemu-devel@nongnu.org>, Stefan Hajnoczi <stefanha@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Laszlo Ersek <lersek@redhat.com>, Peter Lieven <pl@kamp.de>

On Sun, Mar 09, 2014 at 01:03:12PM +0000, Peter Maydell wrote:
> On 9 March 2014 12:37, Leandro Dorileo <l@dorileo.org> wrote:
> > Hi Paolo,
> >
> > On Sun, Mar 09, 2014 at 08:30:28AM +0100, Paolo Bonzini wrote:
> >> Il 08/03/2014 19:47, Leandro Dorileo ha scritto:
> >> >Remove the arg parsing implementations using getopt and use qemu-arg.
> >> >Also remove the qemu-img-cmds.hx since it's now generated on building time,
> >> >adapted the build system to generate the .hx file using the qemu-img itself
> >> >using the qemu-arg internal command generate-hx.
> >> >
> >> >Signed-off-by: Leandro Dorileo <l@dorileo.org>
> >>
> >> This makes it much harder to cross-compile QEMU.
> >
> > What's non-portable in this case? what would limit the QEMU cross-compile?
> 
> qemu-img is a binary for the target system; it can't run at all
> on the host system, so you can't run it during compilation.
> You need to keep "things we do during build" completely
> separate from the runtime binaries.

Yep, true.

-- 
Leandro Dorileo