-let matitamake_makefile_template = runtime_base_dir ^ "/template_makefile.in"
-let stdlib_dir = runtime_base_dir ^ "/library"
+let stdlib_dir_devel = runtime_base_dir ^ "/library"
+let new_stdlib_dir_devel = runtime_base_dir ^ "/nlibrary"
+let stdlib_dir_installed = runtime_base_dir ^ "/ma/standard-library"
+let new_stdlib_dir_installed = runtime_base_dir ^ "/ma/new-standard-library"