--- /dev/null
+(require 'irony)
+(add-hook 'c++-mode-hook 'irony-mode)
+(add-hook 'c-mode-hook 'irony-mode)
+(add-hook 'objc-mode-hook 'irony-mode)
+
+;; replace the `completion-at-point' and `complete-symbol' bindings in
+;; irony-mode's buffers by irony-mode's function
+(defun my-irony-mode-hook ()
+ (define-key irony-mode-map [remap completion-at-point]
+ 'irony-completion-at-point-async)
+ (define-key irony-mode-map [remap complete-symbol]
+ 'irony-completion-at-point-async))
+(add-hook 'irony-mode-hook 'my-irony-mode-hook)