Re: [Qemu-devel] git master build failure in 9pfs

[Peter Maydell]

On 2 March 2017 at 17:40, Daniel P. Berrange <address@hidden> wrote:
> On Thu, Mar 02, 2017 at 05:28:24PM +0000, Mark Cave-Ayland wrote:
>> Build platform is Debian Wheezy on an x86_64 host.
>
> IIUC, O_PATH was introduced in glibc 2.14 and Wheezy only has 2.13.
>
> So unless we want to make this 9pfs code a configurable option, this
> means Debian Wheezy is no longer a supportable platform for QEMU.

I suspect some of our other supported host OSes still have
glibc 2.13 as well.

I think we should make this a configure check (assuming O_PATH
is a hard requirement for 9p now). We already only build 9pfs if
we're on a Linux host and have the libcap and libattr libraries available.

thanks
-- PMM