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Re: [Qemu-devel] qemu build fails on xen


From: Paul Durrant
Subject: Re: [Qemu-devel] qemu build fails on xen
Date: Tue, 7 Jul 2015 13:12:26 +0000

> -----Original Message-----
> From: Peter Maydell [mailto:address@hidden
> Sent: 07 July 2015 13:38
> To: Paul Durrant
> Cc: Michael S. Tsirkin; Stefano Stabellini; Chen, Tiejun; address@hidden;
> address@hidden; address@hidden; address@hidden
> Subject: Re: qemu build fails on xen
> 
> On 7 July 2015 at 10:26, Paul Durrant <address@hidden> wrote:
> >> -----Original Message-----
> >> From: Michael S. Tsirkin [mailto:address@hidden
> >> Sent: 07 July 2015 09:48
> >> To: Stefano Stabellini
> >> Cc: Chen, Tiejun; address@hidden; address@hidden;
> >> address@hidden; address@hidden; Paul Durrant; Peter
> >> Maydell
> >> Subject: Re: qemu build fails on xen
> >>
> >> On Tue, Jul 07, 2015 at 11:45:29AM +0300, Michael S. Tsirkin wrote:
> >> > The following error triggers on Fedora 22:
> >> >
> >> > In file included from /scm/qemu/include/hw/xen/xen_backend.h:4:0,
> >> >                  from hw/block/xen_disk.c:39:
> >> > /scm/qemu/include/hw/xen/xen_common.h:198:18: error: conflicting
> >> types for ‘ioservid_t’
> >> >  typedef uint32_t ioservid_t;
> >> >                   ^
> >> > In file included from /usr/include/xen/hvm/params.h:24:0,
> >> >                  from /usr/include/xenctrl.h:46,
> >> >                  from /scm/qemu/include/hw/xen/xen_common.h:9,
> >> >                  from /scm/qemu/include/hw/xen/xen_backend.h:4,
> >> >                  from hw/block/xen_disk.c:39:
> >> > /usr/include/xen/hvm/hvm_op.h:255:18: note: previous declaration of
> >> ‘ioservid_t’ was here
> >> >  typedef uint16_t ioservid_t;
> >> >                   ^
> >> > /scm/qemu/rules.mak:57: recipe for target 'hw/block/xen_disk.o' failed
> >> > make: *** [hw/block/xen_disk.o] Error 1
> >> > make: *** Waiting for unfinished jobs....
> >> >
> >> > Reverting 3996e85c1822e05c50250f8d2d1e57b6bea1229d
> >>
> >> Sorry - I meant reverting this commit fixes the problem.
> >
> > Hmm. I'm not sure why the definition in xen_common.h is there. I guess
> it's probably for compatibility. It's clearly wrong though.
> 
> Reminder: today is hardfreeze day -- a fix for this within the
> next few hours would be nice, or rc0 won't build on these hosts
> with xen enabled...
> 

I will send a patch shortly.

  Paul

> thanks
> -- PMM

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