Emacs:報錯：File error: Cannot open load file,cl-lib解決

1.下載cl-lib.el
https://github.com/emacs-mirror/emacs/blob/master/lisp/emacs-lisp/cl-lib.el
Or
http://elpa.gnu.org/packages/cl-lib.html

2.配置
# cp cl-lib.el ~/.emacs.d/site-lisp
# emacs ~/.emacs
(add-to-list 'load-path "~/.emacs.d/site-lisp")
(require 'cl-lib)