diff --git a/include/mapnik/renderer_common/process_building_symbolizer.hpp b/include/mapnik/renderer_common/process_building_symbolizer.hpp index 5785e7bda..e4e8ab78e 100644 --- a/include/mapnik/renderer_common/process_building_symbolizer.hpp +++ b/include/mapnik/renderer_common/process_building_symbolizer.hpp @@ -28,6 +28,7 @@ #include #include +#include namespace mapnik {