On Sun, Aug 6, 2017 at 11:19 PM Paolo Bonzini <pbonz...@redhat.com> wrote:
> On 05/08/2017 09:39, Thomas Huth wrote:
> >> +CONFIG_VHOST_USER_SCSI=$(and $(CONFIG_VHOST_USER),$(CONFIG_LINUX))
> > I have to say that I don't really like using $(and ...) in our makefiles
> > like this. You rely on the fact that the config variables are either set
> > to "y" or not set at all ... but if somebody ever tries to set
> > CONFIG_VHOST_USER=n and CONFIG_LINUX=y for example (which sounds valid,
> > too), this will break. Isn't there a better way of checking that both
> > variables are set to "y" ?
> $(call land, ...) does exactly this.
The patch is now merged. Thomas, Paolo, do you want to send a follow-up
patch? If not, I can.