let blank_uri = "about:blank";;
let current_proof_uri = "about:current_proof";;
let default_script_font = "Monospace 10";;
-let images_dir = "@IMAGES_DIR@";;
+let runtime_base_dir = "@RT_BASE_DIR@";;
+
+let images_dir = runtime_base_dir ^ "/icons"
+let gtkrc_file = runtime_base_dir ^ "/matita.gtkrc"
+let lang_file = runtime_base_dir ^ "/matita.lang"