[libvirt] [PATCH] qemu: Use -vga none only if it is supported

[Daniel P. Berrange]

On Wed, Dec 08, 2010 at 04:49:47PM +0100, Jiri Denemark wrote:
> > > @@ -12521,11 +1253,15 @@ static unsigned long long qemudComputeCmdFlags(const char *help,
> > >          if (strstr(help, "readonly="))
> > >              flags |= QEMUD_CMD_FLAG_DRIVE_READONLY;
> > >      }
> > > -    if (strstr(help, "-vga") && !strstr(help, "-std-vga")) {
> > > +    if ((p = strstr(help, "-vga")) && !strstr(help, "-std-vga")) {
> > 
> > I think this can be simplified to work via a single scan, rather than
> > having to do a second scan to filter out the older -std-vga:
> > 
> > if ((p = strstr(help, "\n-vga") != NULL) {
> 
> Hmm, it's not exactly the same thing. In case there were both "-vga" and
> "-std-vga" present, the new condition would return true while the original
> would fail. I doubt there is a qemu version out there which would provide both
> but to be safe I will leave it as is.

I'm fairly sure there *are* versions of QEMU which report both.

Regards,
Daniel