Re: [Qemu-devel] Re: [Qemu-commits] [COMMIT aba800a] qemu/virtio: MSI-X support in virtio PCI

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, Jun 30, 2009 at 08:34:50AM +0200, Laurent Desnogues wrote:
> On Tue, Jun 30, 2009 at 2:57 AM, Anthony Liguori<aliguori@us.ibm.com> wrote:
> > From: Michael S. Tsirkin <mst@redhat.com>
> >
> > This enables actual support for MSI-X in virtio PCI.
> > First user will be virtio-net.
> >
> > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> > Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
> [...]
> > diff --git a/rules.mak b/rules.mak
> > index 8d6d96e..defee1d 100644
> > --- a/rules.mak
> > +++ b/rules.mak
> > @@ -1,6 +1,6 @@
> >
> >  %.o: %.c
> > -       $(call quiet-command,$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
> > +       $(call quiet-command,$(CC) $(CPPFLAGS) $(CFLAGS) -Werror -Wno-error=uninitialized -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
> 
> -Wno-error=uninitialized is a rather recent addition to gcc and
> will probably break compilation on many systems.
> 
> 
> Laurent

Yes, apparently, this was added with gcc 4.2.0, released in May 2007.
Maybe we need configure to figure this out.

-- 
MST