Re: [Qemu-devel] [000/108] Patch Round-up for stable 2.0.1, freeze on 2014-08-12

[Eric Blake]

On 08/07/2014 03:10 PM, Peter Maydell wrote:
> On 7 August 2014 21:55, Eric Blake <address@hidden> wrote:
>> Turns out to be caused by leftovers, from trying an incremental build in
>> the same tree where I had 2.1 object files.  Maybe the makefiles can be
>> improved to deal gracefully with this case, but as a clean build didn't
>> suffer from the problem, it's not a showstopper.
> 
> That kind of 'deal with changes across time' robustness is
> difficult, I think. At any rate we don't deal with it at all well
> in many different aspects of our build system. We don't
> even guarantee that a make clean/distclean will fix things...

Yeah, I just have to get into a better habit of rebuilding the world
when switching across drastically different branches (or maintaining
parallel build trees, or ...).  I'm not asking for an instant solution,
because I know firsthand how hard it can be :)

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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