+devel_api_progress_bar_header_files = \
+ $(devel_api_src_dir)/controls/progress-bar/progress-bar.h
+
+devel_api_visual_factory_header_files = \
+ $(devel_api_src_dir)/visual-factory/visual-factory.h \
+ $(devel_api_src_dir)/visual-factory/visual-base.h
+