Re: [Xen-users] build xen from source on 4.6.1 in Stretch, qemu-xen error

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Sat, Apr 16, 2016 at 11:07:14PM +0000, Mark Pryor wrote:
> ---------------- build error ----------
> In file included from /usr/include/xfs/xfs.h:58:0,
>                  from 
> /home/tlviewer/xen-4.6.1/tools/qemu-xen/block/raw-posix.c:90:
> /usr/include/xfs/xfs_fs.h:42:8: error: redefinition of ‘struct fsxattr’
>  struct fsxattr {
>         ^
> In file included from 
> /home/tlviewer/xen-4.6.1/tools/qemu-xen/block/raw-posix.c:58:0:
> /usr/include/linux/fs.h:155:8: note: originally defined here
>  struct fsxattr {
>         ^
> make[3]: *** [block/raw-posix.o] Error 1
> make[2]: *** [subdir-all-qemu-xen-dir] Error 2
> make[1]: *** [subdirs-install] Error 2
> make: *** [install-tools] Error 2
> -------------- end error -----------
> 
> The same build in Xenial works, so comparing
> /usr/include/linux/fs.h
> 
> on both its seen that Xenial version is smaller (Apr 9), and Stretch has a 
> larger version (Apr 14).
> 
> The Stretch version of /usr/include/linux/fs.h now has the same structs as 
> xfs.h, so we get the redefinition errors.
> 
> I saw no patch of the Xen tools tree to fix this, so I searched the qemu-xen 
> configure for a switch.
> 
> https://lists.gnu.org/archive/html/grub-devel/2016-03/msg00071.html
> turned up this flag: --disable-xfsctl 
> --with-extra-qemuu-configure-args="--disable-werror --disable-xfsctl"

Thanks for the report. Do you know if this is fixed in newer versions of 
QEMU? (and if there's a patch we can backport to our qemu-xen tree in order 
to also fix it?)

Roger.

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