# Add devel header files here
devel_api_header_files = \
- $(devel_api_src_dir)/direction-enums.h
+ $(devel_api_src_dir)/direction-enums.h \
+ $(devel_api_src_dir)/toolkit-property-index-ranges.h
devel_api_controls_header_files = \
$(devel_api_src_dir)/controls/control-depth-index-ranges.h \