(use-package auto-complete-clang
  :defer t
  :config
  (progn
    (setq ac-clang-flags
          (mapcar (lambda (item)(concat "-I" item))
                  (split-string
                   "
 /usr/include/c++/4.7
 /usr/include/i386-linux-gnu/c++/4.7/.
 /usr/include/c++/4.7/backward
 /usr/lib/gcc/i686-linux-gnu/4.7/include
 /usr/local/include
 /usr/lib/gcc/i686-linux-gnu/4.7/include-fixed
 /usr/include/i386-linux-gnu
 /usr/include
 "
                   )))))