[Libvir] PATCH: Fix qemu-dm path in capabilities info

[Daniel P. Berrange]

On Mon, Jan 21, 2008 at 11:55:45AM +0000, Richard W.M. Jones wrote:
> Daniel P. Berrange wrote:
> >The current Xen capabilities XML data chooses between 
> >/usr/lib/xen/bin/qemu-dm
> >and /usr/lib64/xen/bin/qemu-dm based on whether the guest arch is 64 bit.
> >This is incorrect because the path is actually determined based on the host
> >OS. Only x86_64 uses /usr/lib64, all other arches just use /usr/lib - even
> >on ia64. So this patch changes the logic so that /usr/lib64 is only used if
> >we see an x86_64 guest present - this implies host is x86_64 and that all
> >guests whether 32 or 64bit shoudl use /usr/lib64
> 
> Actually Debian uses /usr/lib too on all architectures (in fact I'm not 
> sure which other Linux systems use /usr/lib64 - it's very peculiar to 
> Red Hat).
> 
> However Debian symlinks /usr/lib64 -> /usr/lib, presumably for 
> compatibility with whoever thought using /usr/lib64 was a good idea in 
> the first place.  Unix managed to transition from 16 to 32 bits without 
> adding '*32' everywhere, I'm not sure why this time is different ...

Yeah I realized this would break debian over night too. I need to make
a configure.ac check for the correct install location.

Dan.
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