let closed_xml = runtime_base_dir ^ "/closed.xml"
let gtkmathview_conf = runtime_base_dir ^ "/gtkmathview.matita.conf.xml"
let matitamake_makefile_template = runtime_base_dir ^ "/template_makefile.in"
-let stdlib_dir = runtime_base_dir ^ "/library"
+let matitamake_makefile_template_devel =
+ runtime_base_dir ^ "/template_makefile_devel.in"
+let stdlib_dir_devel = runtime_base_dir ^ "/library"
+let stdlib_dir_installed = runtime_base_dir ^ "/ma/standard-library"
let help_dir = runtime_base_dir ^ "/help"