Brent Cook writes: in packages/smartmontools/smartmontools.mk

s/BR2_PACKAGE_TAR/BR2_PACKAGE_SMARTMONTOOLS/

Thanks!

package/smartmontools/smartmontools.mk

@@ -72,6 +72,6 @@ smartmontools-dirclean:
 # Toplevel Makefile options
 #
 #############################################################
-ifeq ($(strip $(BR2_PACKAGE_TAR)),y)
+ifeq ($(strip $(BR2_PACKAGE_SMARTMONTOOLS)),y)
 TARGETS+=smartmontools
 endif