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. Paolo