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SubjectRe: Firmware breakage
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On Tue, 2008-07-22 at 19:05 +0100, Alan Cox wrote:
> On Tue, 22 Jul 2008 13:40:31 -0400
> David Woodhouse <dwmw2@infradead.org> wrote:
>
> > On Tue, 2008-07-22 at 17:34 +0100, Alan Cox wrote:
> > > If you crossbuild x86-32 on x86-64 and then attempt to do the install on
> > > an x86-32 box the install now breaks. This used to work until the
> > > firmware changes. Now you get
> > >
> > > /bin/sh: scripts/basic/fixdep: cannot execute binary file
> > >
> > > Fixdep should be built for the target platform surely ?
> >
> > Er, I haven't knowingly touched anything involving fixdep. Can you show
> > me exactly what you did? I'll try to reproduce and understand what's
> > happening.
>
> Build on a 64bit box with ARCH=i386
> NFS mount on a 32bit box
> make modules_install on 32bit box
>
> It used to work nicely, as of the firmware changes it doesn't. Not sure
> what the trigger is here yet.

Hm, I think it's because we're not building the firmware binaries until
modules_install time, and only _then_ do we want to build the ihex2fw
tool.

If you run 'make modules_install INSTALL_MOD_PATH=/tmp/foo' on the
x86_64 host first, does that fix it?

I was planning to build the firmware binaries as part of 'make modules'
anyway, because Rafael had related problems (not being able to write to
the NFS-exported kernel tree at all).

--
dwmw2



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