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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Tue, 8 May 2018 17:05:06 +0200
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Subject: Re: [Qemu-devel] [Xen-devel] [PATCH 0/3] Document intent for
 supported build platforms and bump min glib to 2.42
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To: George Dunlap <dunlapg@umich.edu>, "=?UTF-8?Q?Daniel_P._Berrang=c3=a9?=" <berrange@redhat.com>
Cc: qemu-devel@nongnu.org, xen-devel <xen-devel@lists.xenproject.org>, Peter Maydell <peter.maydell@linaro.org>, Thomas Huth <thuth@redhat.com>, Michael Roth <mdroth@linux.vnet.ibm.com>, Stefan Berger <stefanb@linux.vnet.ibm.com>, Olaf Hering <olaf@aepfle.de>, Markus Armbruster <armbru@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Eric Blake <eblake@redhat.com>, Ian Jackson <ian.jackson@eu.citrix.com>, Jan Beulich <JBeulich@suse.com>, Juergen Gross <jgross@suse.com>, Anthony Perard <anthony.perard@citrix.com>

On 08/05/2018 16:50, George Dunlap wrote:
> Tailing into that, with my CentOS package maintainer hat on: You said
> that the code in question compiled on RHEL 6 because RH had backported
> the function in question.  Will QEMU continue to actually compile on
> RHEL 6 / CentOS 6?  I.e., will configure be checking for that
> function, or only checking for the version number?

The latter, because we're also dropping all the compatibility code that
allowed QEMU to compile on older glib versions.

Paolo

> If the former, then the CentOS 6 Xen packages won't be affected.  If
> the latter, then at some point I'll have to stop updating the Xen
> version for CentOS 6 -- but as the CentOS 6 EOL is coming up in 2020,
> it shouldn't be too much of a hardship.