(at-init ()
  (eval-when (:compile-toplevel :load-toplevel :execute)
    (define-foreign-library glib
      ((:and :unix (:not :darwin))
       (:or "libglib-2.0.so.0" "libglib-2.0.so"))
      (:darwin (:or "libglib-2.0.0.dylib" "libglib-2.0.dylib"))
      (:windows "libglib-2.0-0.dll")
      (t (:default "libglib-2.0"))))
  (unless (foreign-library-loaded-p 'glib)
    (use-foreign-library glib)))