-output_message = '\n===============\nDrivers Enabled\n===============\n'
-foreach class:driver_classes
- class_drivers = get_variable(class + '_drivers')
- output_message += '\n' + class + ':\n\t'
- output_count = 0
- foreach drv:class_drivers
- output_message += drv + ', '
- output_count += 1
- if output_count == 8
- output_message += '\n\t'
- output_count = 0
- endif
+
+# prior to 0.47 set_variable didn't work with arrays, so we can't
+# track driver lists easily
+if meson.version().version_compare('>=0.47')
+ output_message = '\n===============\nDrivers Enabled\n===============\n'
+ foreach class:driver_classes
+ class_drivers = get_variable(class + '_drivers')
+ output_message += '\n' + class + ':\n\t'
+ output_count = 0
+ foreach drv:class_drivers
+ output_message += drv + ', '
+ output_count += 1
+ if output_count == 8
+ output_message += '\n\t'
+ output_count = 0
+ endif
+ endforeach