On Thu, 2 Jan 2014 10:42:22 -0800, Daniel Bünzli wrote:
> 
> (add-to-list 'load-path
>  (concat 
>    (replace-regexp-in-string "\n$" ""
>      (shell-command-to-string "opam config var share")) "/tuareg"))

It seems it is what other packages do.  Theses instructions will be
the ones presented at package install in the next version.